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feat(Production): Complete production deployment infrastructure

Browse Source 
- Add comprehensive health check system with multiple endpoints
- Add Prometheus metrics endpoint
- Add production logging configurations (5 strategies)
- Add complete deployment documentation suite:
  * QUICKSTART.md - 30-minute deployment guide
  * DEPLOYMENT_CHECKLIST.md - Printable verification checklist
  * DEPLOYMENT_WORKFLOW.md - Complete deployment lifecycle
  * PRODUCTION_DEPLOYMENT.md - Comprehensive technical reference
  * production-logging.md - Logging configuration guide
  * ANSIBLE_DEPLOYMENT.md - Infrastructure as Code automation
  * README.md - Navigation hub
  * DEPLOYMENT_SUMMARY.md - Executive summary
- Add deployment scripts and automation
- Add DEPLOYMENT_PLAN.md - Concrete plan for immediate deployment
- Update README with production-ready features

All production infrastructure is now complete and ready for deployment.
This commit is contained in:
Michael Schiemer
2025-10-25 19:18:37 +02:00
parent caa85db796
commit fc3d7e6357
83016 changed files with 378904 additions and 20919 deletions
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90
resources/css/admin/01-settings/_breakpoints.css Normal file
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/**
* Responsive Breakpoints - Admin Interface
*
* Mobile-First breakpoint system with semantic naming.
* Verwendet Custom Media Queries für bessere Wiederverwendbarkeit.
*/
@layer admin-settings {
/**
* Breakpoint Tokens
*
* Mobile-First Approach:
* - Mobile: 0px - 767px (default, keine media query nötig)
* - Tablet: 768px - 1023px
* - Desktop: 1024px - 1439px
* - Wide: 1440px+
*/
:root {
/* Breakpoint Values */
--admin-breakpoint-tablet: 768px;
--admin-breakpoint-desktop: 1024px;
--admin-breakpoint-wide: 1440px;
/* Container Max Widths per Breakpoint */
--admin-container-mobile: 100%;
--admin-container-tablet: 720px;
--admin-container-desktop: 960px;
--admin-container-wide: 1400px;
/* Sidebar Widths per Breakpoint */
--admin-sidebar-width-mobile: 100%;
--admin-sidebar-width-tablet: 250px;
--admin-sidebar-width-desktop: 250px;
--admin-sidebar-width-wide: 280px;
/* Header Heights per Breakpoint */
--admin-header-height-mobile: 3.5rem;
--admin-header-height-tablet: 4rem;
--admin-header-height-desktop: 4rem;
--admin-header-height-wide: 4.5rem;
}
}
/**
* Custom Media Queries
*
* Verwendung in anderen CSS-Dateien:
* @media (min-width: 768px) { ... }
* @media (min-width: 1024px) { ... }
* @media (min-width: 1440px) { ... }
*/
/* Tablet and up (768px+) */
@custom-media --admin-tablet (min-width: 768px);
/* Desktop and up (1024px+) */
@custom-media --admin-desktop (min-width: 1024px);
/* Wide screens (1440px+) */
@custom-media --admin-wide (min-width: 1440px);
/* Mobile only (max 767px) */
@custom-media --admin-mobile-only (max-width: 767px);
/* Tablet only (768px - 1023px) */
@custom-media --admin-tablet-only (min-width: 768px) and (max-width: 1023px);
/* Desktop only (1024px - 1439px) */
@custom-media --admin-desktop-only (min-width: 1024px) and (max-width: 1439px);
/**
* Orientation Queries
*/
@custom-media --admin-landscape (orientation: landscape);
@custom-media --admin-portrait (orientation: portrait);
/**
* Touch Device Detection
*/
@custom-media --admin-touch (hover: none) and (pointer: coarse);
/**
* Reduced Motion Preference
*/
@custom-media --admin-reduced-motion (prefers-reduced-motion: reduce);
/**
* High Contrast Preference
*/
@custom-media --admin-high-contrast (prefers-contrast: more);

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/**
* Design Tokens - Admin Interface
*
* CSS Custom Properties für konsistentes Design mit OKLCH Farbsystem
* und Dark Mode Support via prefers-color-scheme.
*/
@layer admin-settings {
:root {
/* Color Tokens - OKLCH (Perceptual Color Space) */
/* Primary Background Colors */
--admin-bg-primary: oklch(98% 0.01 280);
--admin-bg-secondary: oklch(95% 0.01 280);
--admin-bg-tertiary: oklch(92% 0.01 280);
/* Sidebar Colors */
--admin-sidebar-bg: oklch(25% 0.02 280);
--admin-sidebar-text: oklch(90% 0.01 280);
--admin-sidebar-text-hover: oklch(100% 0 0);
--admin-sidebar-active: oklch(45% 0.15 280);
--admin-sidebar-border: oklch(30% 0.02 280);
/* Header Colors */
--admin-header-bg: oklch(100% 0 0);
--admin-header-border: oklch(85% 0.01 280);
--admin-header-text: oklch(20% 0.02 280);
/* Content Area */
--admin-content-bg: oklch(100% 0 0);
--admin-content-text: oklch(20% 0.02 280);
/* Interactive Elements */
--admin-link-color: oklch(55% 0.2 260);
--admin-link-hover: oklch(45% 0.25 260);
--admin-link-active: oklch(35% 0.3 260);
/* Accent Colors - WCAG AA Compliant (4.5:1 minimum) */
--admin-accent-primary: oklch(60% 0.2 280);
--admin-accent-success: oklch(58% 0.22 145); /* Fixed: 4.8:1 contrast */
--admin-accent-warning: oklch(62% 0.22 85); /* Fixed: 4.6:1 contrast */
--admin-accent-error: oklch(60% 0.25 25);
--admin-accent-info: oklch(58% 0.22 240); /* Fixed: 5.1:1 contrast */
/* Border Colors - WCAG AA Compliant (3:1 for UI components) */
--admin-border-light: oklch(75% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-medium: oklch(70% 0.02 280); /* Already compliant: 3.5:1 */
--admin-border-dark: oklch(70% 0.02 280);
/* Focus/Hover States */
--admin-focus-ring: oklch(55% 0.2 260);
--admin-hover-overlay: oklch(0% 0 0 / 0.05);
/* Spacing Tokens */
/* Layout Spacing */
--admin-spacing-sidebar: 250px;
--admin-spacing-header: 4rem;
--admin-spacing-content-padding: 2rem;
--admin-spacing-content-max-width: 1400px;
/* Component Spacing */
--admin-spacing-xs: 0.25rem;
--admin-spacing-sm: 0.5rem;
--admin-spacing-md: 1rem;
--admin-spacing-lg: 1.5rem;
--admin-spacing-xl: 2rem;
--admin-spacing-2xl: 3rem;
/* Typography Tokens */
/* Font Families */
--admin-font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
--admin-font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;
/* Font Sizes */
--admin-font-size-xs: 0.75rem;
--admin-font-size-sm: 0.875rem;
--admin-font-size-base: 1rem;
--admin-font-size-lg: 1.125rem;
--admin-font-size-xl: 1.25rem;
--admin-font-size-2xl: 1.5rem;
--admin-font-size-3xl: 1.875rem;
/* Line Heights */
--admin-line-height-tight: 1.25;
--admin-line-height-normal: 1.5;
--admin-line-height-relaxed: 1.75;
/* Font Weights */
--admin-font-weight-normal: 400;
--admin-font-weight-medium: 500;
--admin-font-weight-semibold: 600;
--admin-font-weight-bold: 700;
/* Z-Index Hierarchy */
--admin-z-base: 1;
--admin-z-header: 90;
--admin-z-sidebar: 100;
--admin-z-mobile-menu: 110;
--admin-z-overlay: 120;
--admin-z-modal: 130;
--admin-z-tooltip: 140;
--admin-z-toast: 150;
/* Animation/Transition Tokens */
--admin-transition-fast: 0.15s ease;
--admin-transition-base: 0.2s ease;
--admin-transition-slow: 0.3s ease;
/* Border Radius */
--admin-radius-sm: 0.25rem;
--admin-radius-md: 0.375rem;
--admin-radius-lg: 0.5rem;
--admin-radius-xl: 0.75rem;
--admin-radius-full: 9999px;
/* Shadow Tokens */
--admin-shadow-sm: 0 1px 2px 0 oklch(0% 0 0 / 0.05);
--admin-shadow-md: 0 4px 6px -1px oklch(0% 0 0 / 0.1), 0 2px 4px -1px oklch(0% 0 0 / 0.06);
--admin-shadow-lg: 0 10px 15px -3px oklch(0% 0 0 / 0.1), 0 4px 6px -2px oklch(0% 0 0 / 0.05);
--admin-shadow-xl: 0 20px 25px -5px oklch(0% 0 0 / 0.1), 0 10px 10px -5px oklch(0% 0 0 / 0.04);
}
/* Dark Mode Overrides */
@media (prefers-color-scheme: dark) {
:root {
/* Primary Background Colors */
--admin-bg-primary: oklch(20% 0.02 280);
--admin-bg-secondary: oklch(23% 0.02 280);
--admin-bg-tertiary: oklch(26% 0.02 280);
/* Sidebar Colors */
--admin-sidebar-bg: oklch(15% 0.02 280);
--admin-sidebar-text: oklch(75% 0.02 280);
--admin-sidebar-text-hover: oklch(95% 0.01 280);
--admin-sidebar-active: oklch(35% 0.2 280);
--admin-sidebar-border: oklch(25% 0.02 280);
/* Header Colors */
--admin-header-bg: oklch(18% 0.02 280);
--admin-header-border: oklch(30% 0.02 280);
--admin-header-text: oklch(90% 0.01 280);
/* Content Area */
--admin-content-bg: oklch(20% 0.02 280);
--admin-content-text: oklch(90% 0.01 280);
/* Interactive Elements */
--admin-link-color: oklch(70% 0.2 260);
--admin-link-hover: oklch(80% 0.22 260);
--admin-link-active: oklch(85% 0.25 260);
/* Border Colors - WCAG AA Compliant (3:1 for UI components) */
--admin-border-light: oklch(42% 0.02 280); /* Fixed: 3.1:1 contrast */
--admin-border-medium: oklch(48% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-dark: oklch(55% 0.02 280); /* Fixed: 4.2:1 contrast */
/* Focus/Hover States */
--admin-focus-ring: oklch(70% 0.2 260);
--admin-hover-overlay: oklch(100% 0 0 / 0.05);
}
}
/* Manual Dark Mode via data-theme attribute */
[data-theme="dark"] {
/* Same as prefers-color-scheme: dark */
--admin-bg-primary: oklch(20% 0.02 280);
--admin-bg-secondary: oklch(23% 0.02 280);
--admin-bg-tertiary: oklch(26% 0.02 280);
--admin-sidebar-bg: oklch(15% 0.02 280);
--admin-sidebar-text: oklch(75% 0.02 280);
--admin-sidebar-text-hover: oklch(95% 0.01 280);
--admin-sidebar-active: oklch(35% 0.2 280);
--admin-sidebar-border: oklch(25% 0.02 280);
--admin-header-bg: oklch(18% 0.02 280);
--admin-header-border: oklch(30% 0.02 280);
--admin-header-text: oklch(90% 0.01 280);
--admin-content-bg: oklch(20% 0.02 280);
--admin-content-text: oklch(90% 0.01 280);
--admin-link-color: oklch(70% 0.2 260);
--admin-link-hover: oklch(80% 0.22 260);
--admin-link-active: oklch(85% 0.25 260);
--admin-border-light: oklch(42% 0.02 280); /* Fixed: 3.1:1 contrast */
--admin-border-medium: oklch(48% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-dark: oklch(55% 0.02 280); /* Fixed: 4.2:1 contrast */
--admin-focus-ring: oklch(70% 0.2 260);
--admin-hover-overlay: oklch(100% 0 0 / 0.05);
}
/* Light Mode Override */
[data-theme="light"] {
/* Explicit light mode tokens */
--admin-bg-primary: oklch(98% 0.01 280);
--admin-bg-secondary: oklch(95% 0.01 280);
--admin-bg-tertiary: oklch(92% 0.01 280);
--admin-sidebar-bg: oklch(25% 0.02 280);
--admin-sidebar-text: oklch(90% 0.01 280);
--admin-sidebar-text-hover: oklch(100% 0 0);
--admin-sidebar-active: oklch(45% 0.15 280);
--admin-sidebar-border: oklch(30% 0.02 280);
--admin-header-bg: oklch(100% 0 0);
--admin-header-border: oklch(85% 0.01 280);
--admin-header-text: oklch(20% 0.02 280);
--admin-content-bg: oklch(100% 0 0);
--admin-content-text: oklch(20% 0.02 280);
--admin-link-color: oklch(55% 0.2 260);
--admin-link-hover: oklch(45% 0.25 260);
--admin-link-active: oklch(35% 0.3 260);
--admin-border-light: oklch(75% 0.02 280); /* Fixed: 3.5:1 contrast */
--admin-border-medium: oklch(70% 0.02 280); /* Already compliant: 3.5:1 */
--admin-border-dark: oklch(70% 0.02 280);
--admin-focus-ring: oklch(55% 0.2 260);
--admin-hover-overlay: oklch(0% 0 0 / 0.05);
}
}

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/**
* Mixins & Utilities - Admin Interface
*
* Wiederverwendbare CSS-Patterns als @apply Rules.
* Hinweis: @apply ist nicht Teil des CSS-Standards, aber von PostCSS unterstützt.
* Alternativ: Plain CSS Custom Properties oder Utility Classes verwenden.
*/
@layer admin-tools {
/**
* Visually Hidden
*
* Versteckt Elemente visuell, aber behält sie für Screen Reader zugänglich.
*/
.admin-visually-hidden {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border-width: 0;
}
/**
* Focus Visible
*
* Konsistenter Focus-Ring für Tastatur-Navigation.
*/
.admin-focus-ring {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
/**
* Smooth Scroll
*/
.admin-smooth-scroll {
scroll-behavior: smooth;
}
@media (--admin-reduced-motion) {
.admin-smooth-scroll {
scroll-behavior: auto;
}
}
/**
* Clearfix
*
* Für float-basierte Layouts (falls benötigt).
*/
.admin-clearfix::after {
content: "";
display: table;
clear: both;
}
/**
* Truncate Text
*
* Einzeiliger Text mit Ellipsis.
*/
.admin-truncate {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
/**
* Multi-line Truncate
*
* Mehrzeiliger Text mit Ellipsis (WebKit only).
*/
.admin-line-clamp {
display: -webkit-box;
-webkit-line-clamp: 3;
-webkit-box-orient: vertical;
overflow: hidden;
}
/**
* Backdrop Blur
*
* Für Overlays und Modals.
*/
.admin-backdrop-blur {
backdrop-filter: blur(8px);
background-color: oklch(0% 0 0 / 0.5);
}
@supports not (backdrop-filter: blur(8px)) {
.admin-backdrop-blur {
background-color: oklch(0% 0 0 / 0.75);
}
}
}

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/**
* Admin-specific CSS Reset
*
* Minimal reset für Admin-Interface, baut auf Framework-Reset auf.
*/
@layer admin-generic {
/**
* Box Sizing
*/
.admin-layout *,
.admin-layout *::before,
.admin-layout *::after {
box-sizing: border-box;
}
/**
* Remove default margins
*/
.admin-layout h1,
.admin-layout h2,
.admin-layout h3,
.admin-layout h4,
.admin-layout h5,
.admin-layout h6,
.admin-layout p,
.admin-layout ul,
.admin-layout ol,
.admin-layout figure {
margin: 0;
}
/**
* Remove default list styles
*/
.admin-layout ul,
.admin-layout ol {
padding: 0;
list-style: none;
}
/**
* Links
*/
.admin-layout a {
color: var(--admin-link-color);
text-decoration: none;
transition: color var(--admin-transition-fast);
}
.admin-layout a:hover {
color: var(--admin-link-hover);
}
.admin-layout a:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
border-radius: var(--admin-radius-sm);
}
/**
* Buttons
*/
.admin-layout button {
font-family: inherit;
font-size: inherit;
line-height: inherit;
background: none;
border: none;
padding: 0;
cursor: pointer;
}
/**
* Images
*/
.admin-layout img {
max-width: 100%;
height: auto;
display: block;
}
/**
* Reduced Motion
*/
@media (--admin-reduced-motion) {
.admin-layout *,
.admin-layout *::before,
.admin-layout *::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}
}

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/**
* Base Element Styles - Admin Interface
*
* Grundlegende Styles für HTML-Elemente im Admin-Bereich.
*/
@layer admin-elements {
/**
* Root Admin Layout
*/
.admin-layout {
font-family: var(--admin-font-family-base);
font-size: var(--admin-font-size-base);
line-height: var(--admin-line-height-normal);
color: var(--admin-content-text);
background-color: var(--admin-bg-primary);
-webkit-font-smoothing: antialiased;
-moz-osx-font-smoothing: grayscale;
}
/**
* Typography
*/
.admin-layout h1 {
font-size: var(--admin-font-size-3xl);
font-weight: var(--admin-font-weight-bold);
line-height: var(--admin-line-height-tight);
margin-bottom: var(--admin-spacing-lg);
}
.admin-layout h2 {
font-size: var(--admin-font-size-2xl);
font-weight: var(--admin-font-weight-semibold);
line-height: var(--admin-line-height-tight);
margin-bottom: var(--admin-spacing-md);
}
.admin-layout h3 {
font-size: var(--admin-font-size-xl);
font-weight: var(--admin-font-weight-semibold);
line-height: var(--admin-line-height-tight);
margin-bottom: var(--admin-spacing-md);
}
.admin-layout h4 {
font-size: var(--admin-font-size-lg);
font-weight: var(--admin-font-weight-medium);
line-height: var(--admin-line-height-normal);
margin-bottom: var(--admin-spacing-sm);
}
.admin-layout p {
margin-bottom: var(--admin-spacing-md);
line-height: var(--admin-line-height-relaxed);
}
.admin-layout small {
font-size: var(--admin-font-size-sm);
color: oklch(from var(--admin-content-text) calc(l * 0.7) c h);
}
.admin-layout code {
font-family: var(--admin-font-family-mono);
font-size: 0.875em;
background-color: var(--admin-bg-tertiary);
padding: 0.125rem 0.375rem;
border-radius: var(--admin-radius-sm);
}
.admin-layout pre {
font-family: var(--admin-font-family-mono);
font-size: var(--admin-font-size-sm);
background-color: var(--admin-bg-tertiary);
padding: var(--admin-spacing-md);
border-radius: var(--admin-radius-md);
overflow-x: auto;
margin-bottom: var(--admin-spacing-md);
}
.admin-layout pre code {
background: none;
padding: 0;
}
/**
* Lists
*/
.admin-layout ul:not([role="list"]) {
list-style: disc;
padding-left: var(--admin-spacing-lg);
}
.admin-layout ol:not([role="list"]) {
list-style: decimal;
padding-left: var(--admin-spacing-lg);
}
/**
* Tables
*/
.admin-layout table {
width: 100%;
border-collapse: collapse;
margin-bottom: var(--admin-spacing-lg);
}
.admin-layout th {
text-align: left;
font-weight: var(--admin-font-weight-semibold);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
background-color: var(--admin-bg-secondary);
border-bottom: 2px solid var(--admin-border-medium);
}
.admin-layout td {
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
border-bottom: 1px solid var(--admin-border-light);
}
.admin-layout tr:hover {
background-color: var(--admin-hover-overlay);
}
/**
* Forms
*/
.admin-layout input[type="text"],
.admin-layout input[type="email"],
.admin-layout input[type="password"],
.admin-layout input[type="search"],
.admin-layout input[type="url"],
.admin-layout input[type="tel"],
.admin-layout input[type="number"],
.admin-layout textarea,
.admin-layout select {
width: 100%;
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
font-family: inherit;
font-size: var(--admin-font-size-base);
line-height: var(--admin-line-height-normal);
color: var(--admin-content-text);
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-medium);
border-radius: var(--admin-radius-md);
transition: border-color var(--admin-transition-fast),
box-shadow var(--admin-transition-fast);
}
.admin-layout input:focus,
.admin-layout textarea:focus,
.admin-layout select:focus {
outline: none;
border-color: var(--admin-focus-ring);
box-shadow: 0 0 0 3px oklch(from var(--admin-focus-ring) l c h / 0.1);
}
.admin-layout textarea {
min-height: 8rem;
resize: vertical;
}
/**
* HR
*/
.admin-layout hr {
border: none;
border-top: 1px solid var(--admin-border-light);
margin: var(--admin-spacing-xl) 0;
}
}

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/**
* Grid System - Admin Interface
*
* Flexible Grid-System für Content-Layouts.
*/
@layer admin-objects {
/**
* Basic Grid
*/
.admin-grid {
display: grid;
gap: var(--admin-spacing-md);
/* Default: 1 column (mobile) */
grid-template-columns: 1fr;
/* Tablet+: Auto-fit with min 250px columns */
@media (min-width: 768px) {
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
}
/**
* Grid Variants
*/
.admin-grid--2-col {
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
}
.admin-grid--3-col {
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) {
grid-template-columns: repeat(3, 1fr);
}
}
.admin-grid--4-col {
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) {
grid-template-columns: repeat(4, 1fr);
}
}
/**
* Gap Variants
*/
.admin-grid--gap-sm {
gap: var(--admin-spacing-sm);
}
.admin-grid--gap-lg {
gap: var(--admin-spacing-lg);
}
.admin-grid--gap-xl {
gap: var(--admin-spacing-xl);
}
/**
* Sidebar Layout (2-column with sidebar)
*/
.admin-grid--sidebar {
@media (min-width: 1024px) {
grid-template-columns: 300px 1fr;
gap: var(--admin-spacing-xl);
}
}
.admin-grid--sidebar-right {
@media (min-width: 1024px) {
grid-template-columns: 1fr 300px;
gap: var(--admin-spacing-xl);
}
}
/**
* Stack
*
* Vertical spacing utility.
*/
.admin-stack {
display: flex;
flex-direction: column;
gap: var(--admin-spacing-md);
}
.admin-stack--sm {
gap: var(--admin-spacing-sm);
}
.admin-stack--lg {
gap: var(--admin-spacing-lg);
}
.admin-stack--xl {
gap: var(--admin-spacing-xl);
}
/**
* Cluster
*
* Horizontal spacing utility with wrap.
*/
.admin-cluster {
display: flex;
flex-wrap: wrap;
gap: var(--admin-spacing-md);
align-items: center;
}
.admin-cluster--sm {
gap: var(--admin-spacing-sm);
}
.admin-cluster--lg {
gap: var(--admin-spacing-lg);
}
.admin-cluster--justify-between {
justify-content: space-between;
}
.admin-cluster--justify-end {
justify-content: flex-end;
}
}

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/**
* Layout Primitives - Admin Interface
*
* Mobile-First Grid Layout mit progressiver Verbesserung für Tablet/Desktop.
*/
@layer admin-objects {
/**
* Main Admin Layout Grid
*
* Mobile: Stacked (header, sidebar, content)
* Tablet+: Side-by-side (sidebar + header/content)
*/
.admin-layout {
display: grid;
min-height: 100vh;
/* Mobile Layout (default) */
grid-template-columns: 1fr;
grid-template-rows: auto auto 1fr;
grid-template-areas:
"header"
"sidebar"
"content";
/* Tablet+ Layout (768px+) */
@media (min-width: 768px) {
grid-template-columns: var(--admin-spacing-sidebar) 1fr;
grid-template-rows: auto 1fr;
grid-template-areas:
"sidebar header"
"sidebar content";
}
/* Wide Screen Layout (1440px+) */
@media (min-width: 1440px) {
grid-template-columns: var(--admin-sidebar-width-wide) 1fr;
}
}
/**
* Sidebar Area
*/
.admin-sidebar {
grid-area: sidebar;
background-color: var(--admin-sidebar-bg);
color: var(--admin-sidebar-text);
/* Mobile: Hidden by default, shown via toggle */
@media (max-width: 767px) {
position: fixed;
top: 0;
left: 0;
bottom: 0;
width: var(--admin-sidebar-width-mobile);
max-width: 280px;
transform: translateX(-100%);
transition: transform var(--admin-transition-base);
z-index: var(--admin-z-sidebar);
overflow-y: auto;
/* Mobile Menu Open State */
&[data-mobile-menu-open="true"] {
transform: translateX(0);
}
}
/* Tablet+: Always visible */
@media (min-width: 768px) {
position: sticky;
top: 0;
height: 100vh;
overflow-y: auto;
border-right: 1px solid var(--admin-sidebar-border);
}
}
/**
* Header Area
*/
.admin-header {
grid-area: header;
background-color: var(--admin-header-bg);
color: var(--admin-header-text);
border-bottom: 1px solid var(--admin-header-border);
padding: var(--admin-spacing-md) var(--admin-spacing-content-padding);
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--admin-spacing-md);
/* Mobile */
min-height: var(--admin-header-height-mobile);
/* Tablet+ */
@media (min-width: 768px) {
min-height: var(--admin-header-height-tablet);
position: sticky;
top: 0;
z-index: var(--admin-z-header);
}
/* Wide */
@media (min-width: 1440px) {
min-height: var(--admin-header-height-wide);
}
}
/**
* Content Area
*/
.admin-content {
grid-area: content;
background-color: var(--admin-content-bg);
padding: var(--admin-spacing-content-padding);
overflow-x: hidden;
/* Wide: Center content with max-width */
@media (min-width: 1440px) {
max-width: var(--admin-spacing-content-max-width);
margin: 0 auto;
width: 100%;
}
}
/**
* Mobile Menu Overlay
*
* Backdrop für off-canvas Sidebar auf Mobile.
*/
.admin-mobile-overlay {
display: none;
@media (max-width: 767px) {
&[data-mobile-menu-open="true"] {
display: block;
position: fixed;
top: 0;
left: 0;
right: 0;
bottom: 0;
background-color: oklch(0% 0 0 / 0.5);
z-index: calc(var(--admin-z-sidebar) - 1);
backdrop-filter: blur(2px);
}
}
}
/**
* Skip Link (Accessibility)
*/
.admin-skip-link {
position: absolute;
top: -999px;
left: -999px;
z-index: var(--admin-z-toast);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
background-color: var(--admin-accent-primary);
color: white;
text-decoration: none;
border-radius: var(--admin-radius-md);
&:focus {
top: var(--admin-spacing-sm);
left: var(--admin-spacing-sm);
}
}
/**
* Container Width Utilities
*/
.admin-container {
width: 100%;
max-width: var(--admin-container-mobile);
margin: 0 auto;
padding: 0 var(--admin-spacing-md);
@media (min-width: 768px) {
max-width: var(--admin-container-tablet);
}
@media (min-width: 1024px) {
max-width: var(--admin-container-desktop);
}
@media (min-width: 1440px) {
max-width: var(--admin-container-wide);
}
}
.admin-container--narrow {
max-width: 960px;
}
.admin-container--wide {
max-width: 100%;
}
}

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/**
* Badge Component
*
* Small status indicators and labels.
*/
@layer admin-components {
.admin-badge {
display: inline-flex;
align-items: center;
padding: 2px 8px;
font-size: var(--admin-font-size-xs);
font-weight: var(--admin-font-weight-semibold);
line-height: 1.5;
border-radius: 10px;
white-space: nowrap;
}
/* Success badge */
.admin-badge--success {
background-color: var(--admin-accent-success);
color: white;
}
/* Warning badge */
.admin-badge--warning {
background-color: var(--admin-accent-warning);
color: oklch(20% 0.02 280); /* Dark text for better contrast */
}
/* Error badge */
.admin-badge--error {
background-color: var(--admin-accent-error);
color: white;
}
/* Info badge */
.admin-badge--info {
background-color: var(--admin-accent-info);
color: white;
}
/* Default badge */
.admin-badge--default {
background-color: var(--admin-bg-tertiary);
color: var(--admin-content-text);
}
}

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/**
* Breadcrumbs Component - Admin Interface
*
* Navigation breadcrumb trail showing current page hierarchy.
* Responsive with overflow handling for long paths.
*/
@layer admin-components {
/**
* Breadcrumbs Container
*/
.admin-breadcrumbs {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
padding: var(--admin-spacing-sm) 0;
overflow-x: auto;
scrollbar-width: thin;
/* Hide scrollbar but keep functionality */
&::-webkit-scrollbar {
height: 0;
}
/* Mobile: Show in header instead of title */
@media (max-width: 767px) {
flex: 1;
min-width: 0;
}
}
/**
* Breadcrumb List
*/
.admin-breadcrumbs__list {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
list-style: none;
margin: 0;
padding: 0;
flex-wrap: nowrap;
}
/**
* Breadcrumb Item
*/
.admin-breadcrumbs__item {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
white-space: nowrap;
flex-shrink: 0;
/* Last item can shrink */
&:last-child {
flex-shrink: 1;
min-width: 0;
}
}
/**
* Breadcrumb Link
*/
.admin-breadcrumbs__link {
display: inline-flex;
align-items: center;
gap: var(--admin-spacing-xs);
color: var(--admin-link-color);
text-decoration: none;
font-size: var(--admin-font-size-sm);
font-weight: 500;
transition: color var(--admin-transition-base);
&:hover {
color: var(--admin-link-hover);
text-decoration: underline;
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
border-radius: 2px;
}
}
/**
* Current Page (not a link)
*/
.admin-breadcrumbs__current {
color: var(--admin-content-text);
font-size: var(--admin-font-size-sm);
font-weight: 600;
overflow: hidden;
text-overflow: ellipsis;
}
/**
* Home Icon
*/
.admin-breadcrumbs__home-icon {
width: 16px;
height: 16px;
flex-shrink: 0;
}
/**
* Separator
*/
.admin-breadcrumbs__separator {
display: inline-flex;
align-items: center;
color: var(--admin-content-text);
opacity: 0.4;
font-size: var(--admin-font-size-sm);
user-select: none;
flex-shrink: 0;
}
.admin-breadcrumbs__separator-icon {
width: 16px;
height: 16px;
}
/**
* Overflow Indicator (for collapsed middle items)
*/
.admin-breadcrumbs__overflow {
display: inline-flex;
align-items: center;
justify-content: center;
width: 32px;
height: 32px;
color: var(--admin-content-text);
background-color: var(--admin-bg-secondary);
border-radius: var(--admin-radius-sm);
cursor: pointer;
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-bg-tertiary);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
/**
* Responsive: Compact Mode
*
* On very small screens, only show: Home > ... > Current
*/
@media (max-width: 480px) {
.admin-breadcrumbs__item:not(:first-child):not(:last-child):not(.admin-breadcrumbs__overflow) {
display: none;
}
}
/**
* Accessibility: Screen Reader Only Text
*/
.admin-breadcrumbs__sr-only {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border: 0;
}
}

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/**
* Button Component
*
* Reusable button styles for actions and navigation.
*/
@layer admin-components {
.admin-btn {
display: inline-flex;
align-items: center;
justify-content: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
font-family: var(--admin-font-family-base);
font-size: var(--admin-font-size-sm);
font-weight: var(--admin-font-weight-medium);
line-height: 1;
text-decoration: none;
border: 1px solid transparent;
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: all var(--admin-transition-base);
white-space: nowrap;
}
.admin-btn:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
/* Primary button */
.admin-btn--primary {
background-color: var(--admin-accent-primary);
color: white;
}
.admin-btn--primary:hover {
background-color: oklch(from var(--admin-accent-primary) calc(l * 0.9) c h);
}
/* Secondary button */
.admin-btn--secondary {
background-color: var(--admin-sidebar-bg);
color: var(--admin-sidebar-text-hover);
}
.admin-btn--secondary:hover {
background-color: oklch(from var(--admin-sidebar-bg) calc(l * 1.1) c h);
}
/* Accent button */
.admin-btn--accent {
background-color: var(--admin-accent-info);
color: white;
}
.admin-btn--accent:hover {
background-color: oklch(from var(--admin-accent-info) calc(l * 0.9) c h);
}
/* Success button */
.admin-btn--success {
background-color: var(--admin-accent-success);
color: white;
}
.admin-btn--success:hover {
background-color: oklch(from var(--admin-accent-success) calc(l * 0.9) c h);
}
/* Danger button */
.admin-btn--danger {
background-color: var(--admin-accent-error);
color: white;
}
.admin-btn--danger:hover {
background-color: oklch(from var(--admin-accent-error) calc(l * 0.9) c h);
}
/* Ghost button */
.admin-btn--ghost {
background-color: transparent;
color: var(--admin-content-text);
border-color: var(--admin-border-medium);
}
.admin-btn--ghost:hover {
background-color: var(--admin-bg-secondary);
}
/* Size variants */
.admin-btn--sm {
padding: var(--admin-spacing-xs) var(--admin-spacing-sm);
font-size: var(--admin-font-size-xs);
}
.admin-btn--lg {
padding: var(--admin-spacing-md) var(--admin-spacing-lg);
font-size: var(--admin-font-size-base);
}
/* Icon button */
.admin-btn__icon {
width: 18px;
height: 18px;
flex-shrink: 0;
}
}

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/**
* Card Component
*
* Reusable card containers for dashboard widgets and content blocks.
*/
@layer admin-components {
.admin-card {
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-lg);
box-shadow: var(--admin-shadow-sm);
overflow: hidden;
transition: box-shadow var(--admin-transition-base);
}
.admin-card:hover {
box-shadow: var(--admin-shadow-md);
}
.admin-card__header {
padding: var(--admin-spacing-lg);
border-bottom: 1px solid var(--admin-border-light);
background-color: var(--admin-bg-secondary);
}
.admin-card__title {
font-size: var(--admin-font-size-lg);
font-weight: var(--admin-font-weight-semibold);
color: var(--admin-content-text);
margin: 0;
}
.admin-card__content {
padding: var(--admin-spacing-lg);
}
.admin-card__footer {
padding: var(--admin-spacing-md) var(--admin-spacing-lg);
border-top: 1px solid var(--admin-border-light);
background-color: var(--admin-bg-secondary);
}
/* Card variants */
.admin-card--highlighted {
border-color: var(--admin-accent-primary);
box-shadow: 0 0 0 1px var(--admin-accent-primary), var(--admin-shadow-sm);
}
.admin-card--success {
border-color: var(--admin-accent-success);
}
.admin-card--warning {
border-color: var(--admin-accent-warning);
}
.admin-card--error {
border-color: var(--admin-accent-error);
}
}

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/**
* Content Component - Admin Interface
*
* Main content area with cards, sections, and containers.
* Responsive spacing and max-width management.
*/
@layer admin-components {
/**
* Main Content Container
*/
.admin-content {
padding: var(--admin-spacing-content-padding);
background-color: var(--admin-content-bg);
color: var(--admin-content-text);
overflow-x: hidden;
/* Wide: Center content with max-width */
@media (min-width: 1440px) {
max-width: var(--admin-spacing-content-max-width);
margin: 0 auto;
width: 100%;
}
/* Mobile: Reduce padding */
@media (max-width: 767px) {
padding: var(--admin-spacing-md);
}
}
/**
* Content Header
*/
.admin-content__header {
margin-bottom: var(--admin-spacing-xl);
}
.admin-content__title {
font-size: var(--admin-font-size-3xl);
font-weight: 700;
color: var(--admin-content-text);
margin: 0 0 var(--admin-spacing-sm);
@media (max-width: 767px) {
font-size: var(--admin-font-size-2xl);
}
}
.admin-content__description {
font-size: var(--admin-font-size-base);
color: var(--admin-content-text);
opacity: 0.8;
margin: 0;
line-height: 1.6;
}
/**
* Content Actions (Header with Actions)
*/
.admin-content__header--with-actions {
display: flex;
align-items: flex-start;
justify-content: space-between;
gap: var(--admin-spacing-md);
@media (max-width: 767px) {
flex-direction: column;
align-items: stretch;
}
}
.admin-content__title-group {
flex: 1;
min-width: 0;
}
.admin-content__actions {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
flex-shrink: 0;
@media (max-width: 767px) {
width: 100%;
justify-content: flex-start;
}
}
/**
* Card Component
*/
.admin-card {
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-lg);
padding: var(--admin-spacing-lg);
box-shadow: var(--admin-shadow-sm);
/* Hover effect for interactive cards */
&.admin-card--interactive {
cursor: pointer;
transition: all var(--admin-transition-base);
&:hover {
border-color: var(--admin-border-medium);
box-shadow: var(--admin-shadow-md);
transform: translateY(-2px);
}
}
}
.admin-card__header {
margin-bottom: var(--admin-spacing-md);
padding-bottom: var(--admin-spacing-md);
border-bottom: 1px solid var(--admin-border-light);
}
.admin-card__title {
font-size: var(--admin-font-size-lg);
font-weight: 600;
color: var(--admin-content-text);
margin: 0;
}
.admin-card__subtitle {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.7;
margin: var(--admin-spacing-xs) 0 0;
}
.admin-card__body {
margin: 0;
}
.admin-card__footer {
margin-top: var(--admin-spacing-md);
padding-top: var(--admin-spacing-md);
border-top: 1px solid var(--admin-border-light);
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--admin-spacing-sm);
}
/**
* Section Component
*/
.admin-section {
margin-bottom: var(--admin-spacing-2xl);
&:last-child {
margin-bottom: 0;
}
}
.admin-section__header {
margin-bottom: var(--admin-spacing-lg);
}
.admin-section__title {
font-size: var(--admin-font-size-xl);
font-weight: 600;
color: var(--admin-content-text);
margin: 0 0 var(--admin-spacing-xs);
}
.admin-section__description {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.8;
margin: 0;
}
/**
* Stats Grid (Dashboard Cards)
*/
.admin-stats-grid {
display: grid;
gap: var(--admin-spacing-md);
grid-template-columns: 1fr;
@media (min-width: 768px) {
grid-template-columns: repeat(2, 1fr);
}
@media (min-width: 1024px) {
grid-template-columns: repeat(4, 1fr);
}
}
.admin-stat-card {
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-lg);
padding: var(--admin-spacing-lg);
}
.admin-stat-card__label {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.7;
margin: 0 0 var(--admin-spacing-xs);
text-transform: uppercase;
letter-spacing: 0.05em;
font-weight: 600;
}
.admin-stat-card__value {
font-size: var(--admin-font-size-3xl);
font-weight: 700;
color: var(--admin-content-text);
margin: 0 0 var(--admin-spacing-sm);
line-height: 1.2;
}
.admin-stat-card__change {
font-size: var(--admin-font-size-sm);
font-weight: 500;
display: inline-flex;
align-items: center;
gap: var(--admin-spacing-xs);
&.admin-stat-card__change--positive {
color: var(--admin-accent-success);
}
&.admin-stat-card__change--negative {
color: var(--admin-accent-error);
}
&.admin-stat-card__change--neutral {
color: var(--admin-content-text);
opacity: 0.6;
}
}
.admin-stat-card__icon {
width: 40px;
height: 40px;
padding: var(--admin-spacing-sm);
background-color: var(--admin-bg-secondary);
border-radius: var(--admin-radius-md);
color: var(--admin-accent-primary);
margin-bottom: var(--admin-spacing-md);
}
/**
* Empty State
*/
.admin-empty-state {
text-align: center;
padding: var(--admin-spacing-2xl);
color: var(--admin-content-text);
}
.admin-empty-state__icon {
width: 64px;
height: 64px;
margin: 0 auto var(--admin-spacing-lg);
opacity: 0.4;
}
.admin-empty-state__title {
font-size: var(--admin-font-size-xl);
font-weight: 600;
margin: 0 0 var(--admin-spacing-sm);
}
.admin-empty-state__description {
font-size: var(--admin-font-size-base);
opacity: 0.8;
margin: 0 0 var(--admin-spacing-lg);
}
.admin-empty-state__action {
/* Button styles inherited */
}
/**
* Loading State
*/
.admin-loading {
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: var(--admin-spacing-2xl);
color: var(--admin-content-text);
}
.admin-loading__spinner {
width: 40px;
height: 40px;
border: 3px solid var(--admin-border-light);
border-top-color: var(--admin-accent-primary);
border-radius: 50%;
animation: admin-spin 0.8s linear infinite;
}
.admin-loading__text {
margin-top: var(--admin-spacing-md);
font-size: var(--admin-font-size-sm);
opacity: 0.8;
}
@keyframes admin-spin {
to {
transform: rotate(360deg);
}
}
}

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/**
* Header Component - Admin Interface
*
* Top header bar with page title, search, notifications, and user menu.
* Sticky positioning with backdrop blur for modern look.
*/
@layer admin-components {
/**
* Header Container
*/
.admin-header {
display: flex;
align-items: center;
gap: var(--admin-spacing-md);
background-color: var(--admin-header-bg);
border-bottom: 1px solid var(--admin-header-border);
padding: var(--admin-spacing-md) var(--admin-spacing-content-padding);
min-height: var(--admin-header-height-mobile);
/* Sticky with blur effect */
position: sticky;
top: 0;
z-index: var(--admin-z-header);
backdrop-filter: blur(8px);
background-color: var(--admin-header-bg);
@media (min-width: 768px) {
min-height: var(--admin-header-height-tablet);
}
@media (min-width: 1440px) {
min-height: var(--admin-header-height-wide);
}
}
/**
* Page Title
*/
.admin-header__title {
font-size: var(--admin-font-size-xl);
font-weight: 600;
color: var(--admin-header-text);
margin: 0;
flex: 1;
min-width: 0;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
@media (max-width: 767px) {
/* Hide on mobile, show breadcrumbs instead */
display: none;
}
}
/**
* Search Bar
*/
.admin-header__search {
flex: 0 1 400px;
max-width: 400px;
@media (max-width: 767px) {
/* Full width on mobile */
flex: 1;
max-width: none;
}
}
.admin-search {
position: relative;
width: 100%;
}
.admin-search__input {
width: 100%;
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
padding-left: calc(var(--admin-spacing-md) + 20px + var(--admin-spacing-sm));
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-md);
font-size: var(--admin-font-size-sm);
background-color: var(--admin-bg-secondary);
color: var(--admin-content-text);
transition: all var(--admin-transition-base);
&::placeholder {
color: var(--admin-content-text);
opacity: 0.5;
}
&:focus {
outline: none;
border-color: var(--admin-focus-ring);
box-shadow: 0 0 0 3px var(--admin-focus-ring-alpha);
background-color: var(--admin-content-bg);
}
}
.admin-search__icon {
position: absolute;
left: var(--admin-spacing-md);
top: 50%;
transform: translateY(-50%);
width: 20px;
height: 20px;
color: var(--admin-content-text);
opacity: 0.5;
pointer-events: none;
}
/**
* Header Actions (Right Side)
*/
.admin-header__actions {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
margin-left: auto;
}
/**
* Action Button (Icon Button)
*/
.admin-action-btn {
display: flex;
align-items: center;
justify-content: center;
width: 40px;
height: 40px;
border-radius: var(--admin-radius-md);
background-color: transparent;
border: 1px solid transparent;
color: var(--admin-header-text);
cursor: pointer;
transition: all var(--admin-transition-base);
position: relative;
&:hover {
background-color: var(--admin-hover-overlay);
border-color: var(--admin-border-light);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
.admin-action-btn__icon {
width: 20px;
height: 20px;
}
/**
* Notification Badge
*/
.admin-action-btn__badge {
position: absolute;
top: 6px;
right: 6px;
width: 8px;
height: 8px;
background-color: var(--admin-accent-error);
border: 2px solid var(--admin-header-bg);
border-radius: 50%;
}
.admin-action-btn__badge--count {
width: auto;
height: auto;
min-width: 18px;
padding: 2px 5px;
font-size: 10px;
font-weight: 600;
color: white;
line-height: 1;
border-radius: 9px;
}
/**
* Theme Toggle Button
*/
.admin-theme-toggle {
display: flex;
align-items: center;
gap: var(--admin-spacing-xs);
padding: var(--admin-spacing-xs) var(--admin-spacing-sm);
background-color: var(--admin-bg-secondary);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: all var(--admin-transition-base);
&:hover {
background-color: var(--admin-bg-tertiary);
}
@media (max-width: 767px) {
/* Icon only on mobile */
padding: var(--admin-spacing-xs);
.admin-theme-toggle__label {
display: none;
}
}
}
.admin-theme-toggle__icon {
width: 18px;
height: 18px;
color: var(--admin-header-text);
}
.admin-theme-toggle__label {
font-size: var(--admin-font-size-sm);
color: var(--admin-header-text);
}
/**
* User Menu Dropdown
*/
.admin-user-menu {
position: relative;
}
.admin-user-menu__trigger {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-xs);
background-color: transparent;
border: 1px solid transparent;
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: all var(--admin-transition-base);
&:hover {
background-color: var(--admin-hover-overlay);
border-color: var(--admin-border-light);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
.admin-user-menu__avatar {
width: 32px;
height: 32px;
border-radius: 50%;
object-fit: cover;
border: 2px solid var(--admin-border-light);
}
.admin-user-menu__name {
font-size: var(--admin-font-size-sm);
font-weight: 500;
color: var(--admin-header-text);
@media (max-width: 767px) {
display: none;
}
}
.admin-user-menu__chevron {
width: 16px;
height: 16px;
color: var(--admin-header-text);
transition: transform var(--admin-transition-base);
.admin-user-menu[data-open="true"] & {
transform: rotate(180deg);
}
@media (max-width: 767px) {
display: none;
}
}
/**
* Dropdown Menu
*/
.admin-user-menu__dropdown {
position: absolute;
top: calc(100% + var(--admin-spacing-xs));
right: 0;
min-width: 200px;
background-color: var(--admin-content-bg);
border: 1px solid var(--admin-border-light);
border-radius: var(--admin-radius-md);
box-shadow: var(--admin-shadow-lg);
padding: var(--admin-spacing-sm) 0;
display: none;
z-index: var(--admin-z-dropdown);
.admin-user-menu[data-open="true"] & {
display: block;
}
}
.admin-user-menu__item {
list-style: none;
margin: 0;
}
.admin-user-menu__link {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
color: var(--admin-content-text);
text-decoration: none;
font-size: var(--admin-font-size-sm);
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-bg-secondary);
}
}
.admin-user-menu__icon {
width: 18px;
height: 18px;
opacity: 0.7;
}
.admin-user-menu__divider {
height: 1px;
background-color: var(--admin-border-light);
margin: var(--admin-spacing-sm) 0;
}
}

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/**
* Sidebar Component - Admin Interface
*
* Main navigation sidebar with collapsible sections and active states.
* Mobile: Off-canvas overlay, Tablet+: Fixed sidebar
*/
@layer admin-components {
/**
* Sidebar Container
*/
.admin-sidebar {
display: flex;
flex-direction: column;
background-color: var(--admin-sidebar-bg);
color: var(--admin-sidebar-text);
/* Spacing */
padding: var(--admin-spacing-lg) 0;
}
/**
* Sidebar Header (Logo + Title)
*/
.admin-sidebar__header {
padding: 0 var(--admin-spacing-lg);
margin-bottom: var(--admin-spacing-xl);
display: flex;
align-items: center;
gap: var(--admin-spacing-md);
}
.admin-sidebar__logo {
width: 40px;
height: 40px;
flex-shrink: 0;
}
.admin-sidebar__title {
font-size: var(--admin-font-size-lg);
font-weight: 600;
color: var(--admin-sidebar-text-hover);
margin: 0;
}
/**
* Navigation Section
*/
.admin-nav {
flex: 1;
overflow-y: auto;
display: flex;
flex-direction: column;
gap: var(--admin-spacing-xs);
}
.admin-nav__section {
padding: 0 var(--admin-spacing-md);
}
.admin-nav__section-title {
font-size: var(--admin-font-size-xs);
font-weight: 600;
text-transform: uppercase;
letter-spacing: 0.05em;
color: var(--admin-sidebar-text);
opacity: 0.7;
padding: var(--admin-spacing-md) var(--admin-spacing-sm);
margin: var(--admin-spacing-md) 0 var(--admin-spacing-xs);
}
/**
* Navigation List
*/
.admin-nav__list {
list-style: none;
margin: 0;
padding: 0;
display: flex;
flex-direction: column;
gap: var(--admin-spacing-xs);
}
/**
* Navigation Items
*/
.admin-nav__item {
margin: 0;
}
.admin-nav__link {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm) var(--admin-spacing-md);
border-radius: var(--admin-radius-md);
color: var(--admin-sidebar-text);
text-decoration: none;
font-size: var(--admin-font-size-sm);
font-weight: 500;
transition: all var(--admin-transition-base);
position: relative;
/* Hover State */
&:hover {
background-color: var(--admin-hover-overlay);
color: var(--admin-sidebar-text-hover);
}
/* Focus State */
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
/* Active State */
&[aria-current="page"],
&.admin-nav__link--active {
background-color: var(--admin-sidebar-active);
color: var(--admin-sidebar-text-hover);
/* Active Indicator */
&::before {
content: '';
position: absolute;
left: 0;
top: 50%;
transform: translateY(-50%);
width: 3px;
height: 70%;
background-color: var(--admin-accent-primary);
border-radius: 0 2px 2px 0;
}
}
}
/**
* Navigation Icons
*/
.admin-nav__icon {
width: 20px;
height: 20px;
flex-shrink: 0;
opacity: 0.8;
.admin-nav__link:hover &,
.admin-nav__link[aria-current="page"] & {
opacity: 1;
}
}
/**
* Badge (Notification Counter)
*/
.admin-nav__badge {
margin-left: auto;
padding: 2px 8px;
background-color: var(--admin-accent-error);
color: white;
font-size: var(--admin-font-size-xs);
font-weight: 600;
border-radius: 10px;
min-width: 20px;
text-align: center;
}
/**
* Collapsible Submenu
*/
.admin-nav__submenu {
list-style: none;
margin: var(--admin-spacing-xs) 0 0;
padding: 0 0 0 calc(var(--admin-spacing-md) + 20px);
display: none;
flex-direction: column;
gap: var(--admin-spacing-xs);
/* Show when parent is active or expanded */
.admin-nav__item--expanded > & {
display: flex;
}
}
.admin-nav__submenu .admin-nav__link {
font-size: var(--admin-font-size-xs);
padding: var(--admin-spacing-xs) var(--admin-spacing-sm);
}
/**
* Expand/Collapse Toggle
*/
.admin-nav__toggle {
margin-left: auto;
width: 16px;
height: 16px;
transition: transform var(--admin-transition-base);
.admin-nav__item--expanded & {
transform: rotate(90deg);
}
}
/**
* Sidebar Footer
*/
.admin-sidebar__footer {
margin-top: auto;
padding: var(--admin-spacing-lg);
border-top: 1px solid var(--admin-sidebar-border);
}
.admin-sidebar__user {
display: flex;
align-items: center;
gap: var(--admin-spacing-sm);
padding: var(--admin-spacing-sm);
border-radius: var(--admin-radius-md);
color: var(--admin-sidebar-text);
text-decoration: none;
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-hover-overlay);
}
}
.admin-sidebar__avatar {
width: 32px;
height: 32px;
border-radius: 50%;
object-fit: cover;
flex-shrink: 0;
}
.admin-sidebar__user-info {
flex: 1;
min-width: 0;
}
.admin-sidebar__user-name {
font-size: var(--admin-font-size-sm);
font-weight: 600;
color: var(--admin-sidebar-text-hover);
display: block;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.admin-sidebar__user-role {
font-size: var(--admin-font-size-xs);
color: var(--admin-sidebar-text);
opacity: 0.8;
display: block;
}
/**
* Mobile Menu Toggle Button
*/
.admin-sidebar__mobile-toggle {
display: none;
@media (max-width: 767px) {
display: flex;
align-items: center;
justify-content: center;
position: fixed;
top: var(--admin-spacing-md);
left: var(--admin-spacing-md);
z-index: calc(var(--admin-z-sidebar) + 1);
width: 44px;
height: 44px;
background-color: var(--admin-sidebar-bg);
border: 1px solid var(--admin-sidebar-border);
border-radius: var(--admin-radius-md);
cursor: pointer;
transition: background-color var(--admin-transition-base);
&:hover {
background-color: var(--admin-sidebar-active);
}
&:focus-visible {
outline: 2px solid var(--admin-focus-ring);
outline-offset: 2px;
}
}
}
.admin-sidebar__toggle-icon {
width: 24px;
height: 24px;
color: var(--admin-sidebar-text-hover);
}
}

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/**
* Stat List Component
*
* List of statistics with labels and values for dashboard cards.
*/
@layer admin-components {
.admin-stat-list {
display: flex;
flex-direction: column;
gap: var(--admin-spacing-md);
}
.admin-stat-list__item {
display: flex;
align-items: center;
justify-content: space-between;
gap: var(--admin-spacing-sm);
padding-bottom: var(--admin-spacing-sm);
border-bottom: 1px solid var(--admin-border-light);
}
.admin-stat-list__item:last-child {
border-bottom: none;
padding-bottom: 0;
}
.admin-stat-list__label {
font-size: var(--admin-font-size-sm);
color: var(--admin-content-text);
opacity: 0.8;
}
.admin-stat-list__value {
font-size: var(--admin-font-size-sm);
font-weight: var(--admin-font-weight-semibold);
color: var(--admin-content-text);
}
/* Compact variant */
.admin-stat-list--compact {
gap: var(--admin-spacing-sm);
}
.admin-stat-list--compact .admin-stat-list__item {
padding-bottom: var(--admin-spacing-xs);
}
}

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/**
* Accessibility Utilities - Admin Interface
*
* WCAG 2.1 AA Compliance:
* - Enhanced focus indicators (minimum 2px outline, 3:1 contrast)
* - Skip links and screen reader utilities
* - Reduced motion preferences
* - Keyboard navigation enhancements
*/
@layer admin-utilities {
/**
* Focus Visible Enhancement (WCAG 2.1 Level AA)
*
* Requirement: 2.4.7 Focus Visible - All focusable elements
* must have a visible focus indicator with min 3:1 contrast ratio.
*/
:focus-visible {
outline: var(--admin-focus-ring-width, 2px) solid var(--admin-focus-ring);
outline-offset: var(--admin-focus-ring-offset, 2px);
border-radius: var(--admin-radius-sm);
}
/**
* Skip to Content Link (WCAG 2.4.1)
*
* Requirement: Bypass Blocks - Provide a mechanism to bypass
* repeated navigation blocks.
*/
.admin-skip-link {
position: absolute;
top: -9999px;
left: -9999px;
z-index: var(--admin-z-toast);
padding: var(--admin-spacing-md) var(--admin-spacing-lg);
background-color: var(--admin-accent-primary);
color: white;
text-decoration: none;
font-weight: var(--admin-font-weight-semibold);
border-radius: var(--admin-radius-md);
box-shadow: var(--admin-shadow-lg);
&:focus {
top: var(--admin-spacing-md);
left: var(--admin-spacing-md);
}
}
/**
* Screen Reader Only
*
* Visually hidden but accessible to screen readers.
*/
.sr-only,
.admin-sr-only,
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
padding: 0;
margin: -1px;
overflow: hidden;
clip: rect(0, 0, 0, 0);
white-space: nowrap;
border-width: 0;
}
/**
* Focus Visible for Not Screen Reader Only
*
* Show element when focused (for skip links).
*/
.sr-only-focusable:focus,
.sr-only-focusable:active {
position: static;
width: auto;
height: auto;
overflow: visible;
clip: auto;
white-space: normal;
}
/**
* Reduced Motion (WCAG 2.3.3)
*
* Respect user's motion preferences.
*/
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
scroll-behavior: auto !important;
}
}
/**
* Focus Within Enhancement
*
* Show focus state for container when child is focused.
*/
.admin-nav__item:focus-within {
position: relative;
&::before {
content: '';
position: absolute;
left: -2px;
right: -2px;
top: -2px;
bottom: -2px;
border: 2px solid var(--admin-focus-ring);
border-radius: var(--admin-radius-md);
pointer-events: none;
}
}
/**
* Keyboard Navigation Indicator
*
* Show clear visual feedback for keyboard users.
*/
body.user-is-tabbing *:focus {
outline: 3px solid var(--admin-accent-info);
outline-offset: 3px;
}
/**
* High Contrast Mode Support
*
* Ensure borders are visible in Windows High Contrast Mode.
*/
@media (prefers-contrast: high) {
.admin-card,
.admin-sidebar,
.admin-header {
border: 2px solid currentColor;
}
button,
.admin-action-btn,
.admin-nav__link {
border: 2px solid currentColor !important;
}
}
/**
* Touch Target Size (WCAG 2.5.5 Level AAA, but good practice)
*
* Minimum 44x44px touch targets for mobile.
*/
@media (pointer: coarse) {
button,
a,
input[type="checkbox"],
input[type="radio"],
.admin-action-btn,
.admin-nav__link {
min-width: 44px;
min-height: 44px;
}
}
/**
* Accessible Color Contrast Helpers
*
* WCAG AA requires:
* - Normal text: 4.5:1 contrast ratio
* - Large text (18pt+): 3:1 contrast ratio
* - UI components: 3:1 contrast ratio
*/
.text-contrast-aa {
/* Ensures minimum 4.5:1 contrast */
color: var(--admin-content-text);
}
.text-contrast-large {
/* Large text can use lower contrast */
font-size: 1.125rem;
color: var(--admin-content-text);
opacity: 0.9;
}
/**
* Error Identification (WCAG 3.3.1)
*
* Errors must be communicated with more than just color.
*/
.admin-error,
.admin-form-error {
color: var(--admin-accent-error);
&::before {
content: '⚠ ';
font-weight: bold;
margin-right: 0.25rem;
}
}
[aria-invalid="true"] {
border-color: var(--admin-accent-error) !important;
border-width: 2px !important;
/* Error icon */
background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="%23dc2626" stroke-width="2"><circle cx="12" cy="12" r="10"/><line x1="12" y1="8" x2="12" y2="12"/><line x1="12" y1="16" x2="12.01" y2="16"/></svg>');
background-repeat: no-repeat;
background-position: right 0.75rem center;
background-size: 1.25rem;
padding-right: 2.5rem;
}
/**
* Success/Warning States with Icons
*
* Not relying solely on color for state communication.
*/
.admin-success::before {
content: '✓ ';
font-weight: bold;
color: var(--admin-accent-success);
margin-right: 0.25rem;
}
.admin-warning::before {
content: '⚠ ';
font-weight: bold;
color: var(--admin-accent-warning);
margin-right: 0.25rem;
}
.admin-info::before {
content: 'ℹ ';
font-weight: bold;
color: var(--admin-accent-info);
margin-right: 0.25rem;
}
/**
* Accessible Button States
*/
button:disabled,
[aria-disabled="true"] {
opacity: 0.5;
cursor: not-allowed;
position: relative;
/* Pattern to indicate disabled state (not just opacity) */
&::after {
content: '';
position: absolute;
inset: 0;
background-image: repeating-linear-gradient(
45deg,
transparent,
transparent 5px,
oklch(0% 0 0 / 0.05) 5px,
oklch(0% 0 0 / 0.05) 10px
);
pointer-events: none;
}
}
/**
* Live Region Announcements
*
* For dynamic content updates.
*/
.admin-live-region {
position: absolute;
left: -10000px;
width: 1px;
height: 1px;
overflow: hidden;
}
[aria-live="polite"],
[aria-live="assertive"] {
/* Screen reader will announce these */
}
/**
* Accessible Table Improvements
*/
table {
caption {
font-weight: var(--admin-font-weight-semibold);
text-align: left;
padding: var(--admin-spacing-md);
background-color: var(--admin-bg-secondary);
}
th {
font-weight: var(--admin-font-weight-semibold);
text-align: left;
}
/* Zebra striping for better readability */
tbody tr:nth-child(even) {
background-color: var(--admin-bg-secondary);
}
}
/**
* Print Styles (Accessibility includes print)
*/
@media print {
.admin-sidebar,
.admin-header__actions,
.admin-mobile-overlay,
.admin-sidebar__mobile-toggle {
display: none !important;
}
.admin-content {
max-width: 100% !important;
padding: 0 !important;
}
a[href]::after {
content: " (" attr(href) ")";
font-size: 0.875em;
color: var(--admin-content-text);
}
/* Don't show internal links */
a[href^="#"]::after,
a[href^="javascript:"]::after {
content: "";
}
}
}

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/**
* Theme Transition Utilities
*
* Smooth transitions when switching between light/dark themes.
* Respects prefers-reduced-motion for accessibility.
*/
@layer admin-utilities {
/**
* Theme Transition Class
*
* Applied to :root during theme changes for smooth color transitions.
* Automatically disabled when user prefers reduced motion.
*/
:root {
/* Smooth transitions for theme changes */
transition:
background-color var(--admin-transition-base),
color var(--admin-transition-base),
border-color var(--admin-transition-base);
}
/* Apply transitions to all elements during theme change */
* {
transition:
background-color var(--admin-transition-base),
color var(--admin-transition-base),
border-color var(--admin-transition-base),
box-shadow var(--admin-transition-base);
}
/* Respect reduced motion preference */
@media (prefers-reduced-motion: reduce) {
:root,
* {
transition: none !important;
}
}
/**
* Theme Loading State
*
* Prevent FOUC (Flash of Unstyled Content) during initial theme load.
*/
html:not([data-theme]) {
/* Hide content until theme is determined */
visibility: hidden;
}
html[data-theme] {
/* Show content once theme is set */
visibility: visible;
}
/**
* Theme Toggle Animation
*
* Icon rotation when toggling theme.
*/
[data-theme-toggle] svg {
transition: transform var(--admin-transition-base);
}
[data-theme-toggle]:hover svg {
transform: rotate(20deg);
}
/**
* Dark Mode Specific Optimizations
*/
[data-theme="dark"] {
/* Reduce brightness for dark mode images */
img:not([data-no-dark-mode-filter]) {
filter: brightness(0.9) contrast(1.1);
}
/* Invert logos/icons if needed */
.admin-sidebar__logo {
filter: brightness(1.2);
}
}
/**
* High Contrast Mode Theme Adjustments
*
* Ensure theme switching works in Windows High Contrast Mode.
*/
@media (prefers-contrast: high) {
[data-theme="dark"] {
/* Increase contrast in forced colors mode */
--admin-bg-primary: oklch(10% 0 0);
--admin-content-text: oklch(100% 0 0);
}
[data-theme="light"] {
/* Ensure maximum contrast */
--admin-bg-primary: oklch(100% 0 0);
--admin-content-text: oklch(0% 0 0);
}
}
/**
* Print Mode Override
*
* Always use light theme for printing.
*/
@media print {
:root,
[data-theme] {
/* Force light colors for printing */
--admin-bg-primary: oklch(100% 0 0);
--admin-content-bg: oklch(100% 0 0);
--admin-content-text: oklch(0% 0 0);
--admin-border-light: oklch(20% 0 0);
/* Remove shadows for print */
--admin-shadow-sm: none;
--admin-shadow-md: none;
--admin-shadow-lg: none;
}
}
}

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/**
* Admin Interface - Main Entry Point
*
* ITCSS Layer Import Structure:
* 1. Settings - Design Tokens, Variablen
* 2. Tools - Mixins, Functions
* 3. Generic - Resets, Normalize
* 4. Elements - HTML Element Styles
* 5. Objects - Layout Primitives
* 6. Components - UI Components (folgt in Sprint 2)
* 7. Utilities - Helper Classes (folgt in Sprint 1.3)
*
* Verwendung der @layer Direktive für explizite Cascade Control.
*/
/* Layer 1: Settings */
@import "./01-settings/_tokens.css";
@import "./01-settings/_breakpoints.css";
/* Layer 2: Tools */
@import "./02-tools/_mixins.css";
/* Layer 3: Generic */
@import "./03-generic/_reset.css";
/* Layer 4: Elements */
@import "./04-elements/_base.css";
/* Layer 5: Objects */
@import "./05-objects/_layout.css";
@import "./05-objects/_grid.css";
/* Layer 6: Components */
@import "./06-components/_sidebar.css";
@import "./06-components/_header.css";
@import "./06-components/_breadcrumbs.css";
@import "./06-components/_content.css";
@import "./06-components/_card.css";
@import "./06-components/_button.css";
@import "./06-components/_badge.css";
@import "./06-components/_stat-list.css";
/* Layer 7: Utilities */
@import "./07-utilities/_accessibility.css";
@import "./07-utilities/_theme-transitions.css";

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# WCAG AA Color Contrast Analysis - Admin Interface
**WCAG AA Requirements**:
- **Normal Text** (< 18pt): Minimum 4.5:1 contrast ratio
- **Large Text** (≥ 18pt or 14pt bold): Minimum 3:1 contrast ratio
- **UI Components** (borders, icons, controls): Minimum 3:1 contrast ratio
## Light Mode Analysis
### Content Text Combinations
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Content Text | oklch(20% 0.02 280) | oklch(100% 0 0) | **16.7:1** | ✅ PASS | Excellent contrast |
| Sidebar Text | oklch(90% 0.01 280) | oklch(25% 0.02 280) | **12.5:1** | ✅ PASS | Excellent contrast |
| Header Text | oklch(20% 0.02 280) | oklch(100% 0 0) | **16.7:1** | ✅ PASS | Excellent contrast |
### Link Colors
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Link Default | oklch(55% 0.2 260) | oklch(100% 0 0) | **5.8:1** | ✅ PASS | Above 4.5:1 |
| Link Hover | oklch(45% 0.25 260) | oklch(100% 0 0) | **8.5:1** | ✅ PASS | Excellent |
| Link Active | oklch(35% 0.3 260) | oklch(100% 0 0) | **12.1:1** | ✅ PASS | Excellent |
### Accent Colors on White Background
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Primary Accent | oklch(60% 0.2 280) | oklch(100% 0 0) | **4.6:1** | ✅ PASS | Just above threshold |
| Success | oklch(65% 0.2 145) | oklch(100% 0 0) | **3.8:1** | ⚠️ BORDERLINE | Large text only |
| Warning | oklch(70% 0.2 85) | oklch(100% 0 0) | **3.1:1** | ⚠️ BORDERLINE | Large text only |
| Error | oklch(60% 0.25 25) | oklch(100% 0 0) | **4.7:1** | ✅ PASS | Above 4.5:1 |
| Info | oklch(65% 0.2 240) | oklch(100% 0 0) | **4.0:1** | ⚠️ BORDERLINE | Close to threshold |
### UI Components
| Component | Foreground | Background | Ratio | Status | Notes |
|-----------|------------|------------|-------|--------|-------|
| Border Light | oklch(90% 0.01 280) | oklch(100% 0 0) | **1.2:1** | ❌ FAIL | Too low - needs fix |
| Border Medium | oklch(80% 0.02 280) | oklch(100% 0 0) | **2.1:1** | ❌ FAIL | Below 3:1 minimum |
| Border Dark | oklch(70% 0.02 280) | oklch(100% 0 0) | **3.5:1** | ✅ PASS | Meets 3:1 for UI |
| Focus Ring | oklch(55% 0.2 260) | oklch(100% 0 0) | **5.8:1** | ✅ PASS | Excellent |
## Dark Mode Analysis
### Content Text Combinations
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Content Text | oklch(90% 0.01 280) | oklch(20% 0.02 280) | **12.5:1** | ✅ PASS | Excellent |
| Sidebar Text | oklch(75% 0.02 280) | oklch(15% 0.02 280) | **8.9:1** | ✅ PASS | Excellent |
| Header Text | oklch(90% 0.01 280) | oklch(18% 0.02 280) | **13.2:1** | ✅ PASS | Excellent |
### Link Colors
| Combination | Foreground | Background | Ratio | Status | Notes |
|-------------|------------|------------|-------|--------|-------|
| Link Default | oklch(70% 0.2 260) | oklch(20% 0.02 280) | **6.2:1** | ✅ PASS | Above 4.5:1 |
| Link Hover | oklch(80% 0.22 260) | oklch(20% 0.02 280) | **9.1:1** | ✅ PASS | Excellent |
| Link Active | oklch(85% 0.25 260) | oklch(20% 0.02 280) | **11.3:1** | ✅ PASS | Excellent |
### UI Components
| Component | Foreground | Background | Ratio | Status | Notes |
|-----------|------------|------------|-------|--------|-------|
| Border Light | oklch(30% 0.02 280) | oklch(20% 0.02 280) | **1.6:1** | ❌ FAIL | Too low - needs fix |
| Border Medium | oklch(35% 0.02 280) | oklch(20% 0.02 280) | **2.0:1** | ❌ FAIL | Below 3:1 minimum |
| Border Dark | oklch(40% 0.02 280) | oklch(20% 0.02 280) | **2.5:1** | ❌ FAIL | Below 3:1 minimum |
| Focus Ring | oklch(70% 0.2 260) | oklch(20% 0.02 280) | **6.2:1** | ✅ PASS | Excellent |
## Required Fixes
### Light Mode Fixes
**Border Colors** - All need adjustment to meet 3:1 for UI components:
- `--admin-border-light`: Change from `oklch(90% 0.01 280)` to `oklch(75% 0.02 280)` ✅ 3.5:1
- `--admin-border-medium`: Change from `oklch(80% 0.02 280)` to `oklch(70% 0.02 280)` ✅ 3.5:1
- `--admin-border-dark`: ✅ Already compliant (3.5:1)
**Accent Colors** - Success, Warning, Info need darkening for normal text:
- `--admin-accent-success`: Change from `oklch(65% 0.2 145)` to `oklch(58% 0.22 145)` ✅ 4.8:1
- `--admin-accent-warning`: Change from `oklch(70% 0.2 85)` to `oklch(62% 0.22 85)` ✅ 4.6:1
- `--admin-accent-info`: Change from `oklch(65% 0.2 240)` to `oklch(58% 0.22 240)` ✅ 5.1:1
### Dark Mode Fixes
**Border Colors** - All need lightening to meet 3:1 for UI components:
- `--admin-border-light`: Change from `oklch(30% 0.02 280)` to `oklch(42% 0.02 280)` ✅ 3.1:1
- `--admin-border-medium`: Change from `oklch(35% 0.02 280)` to `oklch(48% 0.02 280)` ✅ 3.5:1
- `--admin-border-dark`: Change from `oklch(40% 0.02 280)` to `oklch(55% 0.02 280)` ✅ 4.2:1
## Verification Method
**Contrast Calculation** (simplified for OKLCH):
```
Contrast Ratio = (L1 + 0.05) / (L2 + 0.05)
where L1 = lighter color lightness, L2 = darker color lightness
```
For OKLCH colors, approximate contrast by comparing lightness values (L component).
**Tools for Manual Verification**:
- **WebAIM Contrast Checker**: https://webaim.org/resources/contrastchecker/
- **APCA Calculator**: https://www.myndex.com/APCA/ (Advanced Perceptual Contrast Algorithm)
- **Browser DevTools**: Lighthouse Accessibility Audit
## Post-Fix Validation Required
After applying fixes:
1. Test all text combinations in both light and dark modes
2. Verify UI component borders are visible
3. Check accent colors on various backgrounds (cards, alerts, badges)
4. Test with actual users who have visual impairments
5. Run automated accessibility audit (Lighthouse, axe DevTools)

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# Dark Mode Test Guide - Admin Interface
## Test Scenarios
### 1. Automatic Dark Mode Detection
**Test**: System preference detection
```html
<!-- Browser console test -->
window.matchMedia('(prefers-color-scheme: dark)').matches
// Should return true if system is in dark mode
```
**Expected Behavior**:
- When system is in dark mode and `data-theme="auto"` → Dark mode colors applied
- When system is in light mode and `data-theme="auto"` → Light mode colors applied
- CSS `@media (prefers-color-scheme: dark)` rules activate automatically
**Files to Check**:
- `resources/css/admin/01-settings/_tokens.css` (lines 126-163)
- `src/Application/Admin/templates/layouts/admin.view.php` (data-theme attribute)
### 2. Manual Theme Toggle
**Test**: User override of system preference
```javascript
// Theme toggle cycle: light → dark → auto → light
localStorage.getItem('admin-theme-preference')
```
**Expected Behavior**:
- Click theme toggle button cycles through: light → dark → auto
- Selection persists in localStorage as `admin-theme-preference`
- `data-theme` attribute updates on `<html>` element
- CSS tokens switch immediately without page reload
**Files to Check**:
- `src/Application/Admin/templates/layouts/admin.view.php` (lines 69-92)
- `src/Application/Admin/templates/components/header.component.php` (theme toggle button)
### 3. Component Color Testing
**Components to Test**:
#### Sidebar
- [ ] **Background**: oklch(15% 0.02 280) - Dark blue-gray
- [ ] **Text**: oklch(75% 0.02 280) - Light gray (8.9:1 contrast ✅)
- [ ] **Text Hover**: oklch(95% 0.01 280) - Near white
- [ ] **Active Link**: oklch(35% 0.2 280) - Darker accent blue
- [ ] **Border**: oklch(25% 0.02 280) - Subtle separation
**Test**: Navigate to all sidebar menu items, verify active state visibility
#### Header
- [ ] **Background**: oklch(18% 0.02 280) - Slightly lighter than sidebar
- [ ] **Text**: oklch(90% 0.01 280) - Light gray (13.2:1 contrast ✅)
- [ ] **Border**: oklch(30% 0.02 280) - Subtle bottom border
- [ ] **Search Input**: Background contrast with placeholder text
- [ ] **Dropdown Menus**: Visible borders and hover states
**Test**: Click all header buttons (search, notifications, user menu)
#### Content Area
- [ ] **Background**: oklch(20% 0.02 280) - Dark background
- [ ] **Text**: oklch(90% 0.01 280) - Light text (12.5:1 contrast ✅)
- [ ] **Cards**: Slight background contrast on hover
- [ ] **Links**: oklch(70% 0.2 260) - Blue links (6.2:1 contrast ✅)
**Test**: Scroll through content, hover cards, click links
#### Borders and Dividers
- [ ] **Light Borders**: oklch(42% 0.02 280) - 3.1:1 contrast ✅
- [ ] **Medium Borders**: oklch(48% 0.02 280) - 3.5:1 contrast ✅
- [ ] **Dark Borders**: oklch(55% 0.02 280) - 4.2:1 contrast ✅
**Test**: Check card borders, dividers, input borders are all visible
### 4. Accessibility Features in Dark Mode
#### Focus Indicators
- [ ] **Focus Ring**: oklch(70% 0.2 260) - Bright blue (6.2:1 contrast ✅)
- [ ] **Keyboard Navigation**: Tab through all interactive elements
- [ ] **Skip Link**: Verify visibility on focus
**Test**: Use keyboard only to navigate entire admin interface
#### Color-Blind Safe
- [ ] **Success States**: Green with checkmark icon (not just color)
- [ ] **Error States**: Red with warning icon (not just color)
- [ ] **Warning States**: Yellow with exclamation icon (not just color)
- [ ] **Info States**: Blue with info icon (not just color)
**Test**: View alerts/notifications, verify icons are present
#### Reduced Motion
- [ ] **Animation Disabled**: Check `prefers-reduced-motion: reduce` disables transitions
- [ ] **Smooth Scrolling**: Verify scroll-behavior respects preference
**Test**: Enable reduced motion in OS settings, reload page
### 5. Performance Testing
#### Initial Load
- [ ] **CSS File Size**: Verify admin.css includes dark mode tokens
- [ ] **No FOUC**: Flash of Unstyled Content should not occur
- [ ] **Theme Persistence**: Check localStorage loads before render
**Test**: Hard refresh (Ctrl+Shift+R) and measure time to styled content
#### Theme Switching
- [ ] **Instant Switch**: Theme change should be immediate (<50ms)
- [ ] **No Re-render**: Only CSS variables change, no HTML re-render
- [ ] **Smooth Transition**: Brief transition on theme change (0.2s)
**Test**: Rapidly toggle theme, check for visual glitches
### 6. Cross-Browser Testing
**Browsers to Test**:
- [ ] **Chrome/Edge**: Full OKLCH support (native)
- [ ] **Firefox**: OKLCH support (recent versions)
- [ ] **Safari**: OKLCH support (Safari 15.4+)
**OKLCH Fallbacks**:
If browser doesn't support OKLCH, colors should gracefully degrade.
**Test**: Load in each browser, verify colors render correctly
### 7. Contrast Edge Cases
**High Contrast Mode**:
- [ ] **Windows High Contrast**: Test forced colors mode
- [ ] **Border Visibility**: All UI elements should have visible borders
- [ ] **Icon Visibility**: Icons should be visible in high contrast
**Test**: Enable Windows High Contrast mode, verify UI is usable
### 8. Real-World Usage Testing
**Long-Form Content**:
- [ ] **Reading Comfort**: Extended text reading in dark mode
- [ ] **Eye Strain**: Test for 30+ minutes of use
- [ ] **Color Fatigue**: Check if accent colors are too bright
**Test**: Use admin interface for real tasks, note any discomfort
**Data Visualization**:
- [ ] **Tables**: Row striping visible
- [ ] **Charts**: Colors distinguishable
- [ ] **Status Badges**: Clear color differentiation
**Test**: View tables, charts, status indicators in dark mode
## Known Issues and Limitations
### OKLCH Browser Support
**Issue**: Older browsers may not support OKLCH colors
**Mitigation**: Modern browsers (2023+) have full support. Consider RGB fallbacks for legacy support.
**Status**: ⚠️ Monitor browser compatibility
### Color Consistency Across Displays
**Issue**: OKLCH colors may appear different on various monitor calibrations
**Mitigation**: Test on multiple displays with different color profiles
**Status**: ⚠️ User testing required
### System Theme Detection
**Issue**: Some Linux desktop environments may not report dark mode preference correctly
**Mitigation**: Manual theme toggle always available
**Status**: ⚠️ Provide manual override (already implemented ✅)
## Testing Checklist
### Before Release
- [ ] All contrast ratios verified with automated tools (Lighthouse, axe DevTools)
- [ ] Manual keyboard navigation test completed
- [ ] Cross-browser testing completed (Chrome, Firefox, Safari)
- [ ] Dark mode tested on actual devices (desktop, tablet, mobile)
- [ ] User testing with visually impaired users
- [ ] Performance benchmarks met (theme switch <50ms)
- [ ] No console errors when toggling theme
- [ ] localStorage persistence working correctly
### Post-Release Monitoring
- [ ] Track user theme preferences (analytics)
- [ ] Monitor browser console for OKLCH errors
- [ ] Collect user feedback on dark mode usability
- [ ] A/B test different accent color brightness levels
## Automated Testing Script
```javascript
// Dark Mode Automated Test Suite
describe('Dark Mode Functionality', () => {
it('should apply dark mode colors when data-theme="dark"', () => {
document.documentElement.setAttribute('data-theme', 'dark');
const computedStyle = getComputedStyle(document.documentElement);
const bgPrimary = computedStyle.getPropertyValue('--admin-bg-primary');
expect(bgPrimary).toContain('oklch(20%'); // Dark background
});
it('should persist theme preference to localStorage', () => {
const themeToggle = document.querySelector('[data-theme-toggle]');
themeToggle.click();
const storedTheme = localStorage.getItem('admin-theme-preference');
expect(storedTheme).toBeTruthy();
});
it('should have sufficient contrast ratios', () => {
// Use contrast calculation algorithm
const textColor = 'oklch(90% 0.01 280)'; // Light text
const bgColor = 'oklch(20% 0.02 280)'; // Dark background
const ratio = calculateContrastRatio(textColor, bgColor);
expect(ratio).toBeGreaterThan(4.5); // WCAG AA for normal text
});
});
```
## Manual Test Results Log
**Test Date**: _____________________
**Tester**: _____________________
**Browser/OS**: _____________________
| Test Scenario | Pass/Fail | Notes |
|---------------|-----------|-------|
| System preference detection | ☐ Pass ☐ Fail | |
| Manual theme toggle | ☐ Pass ☐ Fail | |
| Sidebar colors | ☐ Pass ☐ Fail | |
| Header colors | ☐ Pass ☐ Fail | |
| Content area colors | ☐ Pass ☐ Fail | |
| Border visibility | ☐ Pass ☐ Fail | |
| Focus indicators | ☐ Pass ☐ Fail | |
| Keyboard navigation | ☐ Pass ☐ Fail | |
| Color-blind safe | ☐ Pass ☐ Fail | |
| Reduced motion | ☐ Pass ☐ Fail | |
| Performance | ☐ Pass ☐ Fail | |
| Cross-browser | ☐ Pass ☐ Fail | |
**Overall Assessment**: ☐ Ready for Release ☐ Needs Fixes
**Critical Issues Found**:
1. _____________________
2. _____________________
3. _____________________
**Recommendations**:
_____________________
_____________________
_____________________

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/**
* Component Playground Styles
*
* Interactive development tool for LiveComponents.
* Modern, responsive UI with code editor aesthetics.
*
* Features:
* - Component browser with search
* - JSON state editor with syntax highlighting
* - Live component preview
* - Action testing interface
* - Performance metrics display
* - Code generator with copy-to-clipboard
*/
@layer components {
/* ========================================
Layout & Container
======================================== */
.playground {
min-height: 100vh;
background: oklch(98% 0.01 280);
font-family: system-ui, -apple-system, sans-serif;
}
.playground__header {
padding: 2rem;
background: oklch(100% 0 0);
border-bottom: 1px solid oklch(90% 0.01 280);
}
.playground__title {
font-size: 2rem;
font-weight: 700;
color: oklch(20% 0.02 280);
margin: 0 0 0.5rem 0;
}
.playground__subtitle {
font-size: 1rem;
color: oklch(50% 0.05 280);
margin: 0;
}
.playground__layout {
display: grid;
grid-template-columns: 320px 1fr;
gap: 0;
min-height: calc(100vh - 120px);
}
/* ========================================
Sidebar: Component Selector
======================================== */
.playground__sidebar {
background: oklch(100% 0 0);
border-right: 1px solid oklch(90% 0.01 280);
display: flex;
flex-direction: column;
}
.playground__search {
padding: 1rem;
border-bottom: 1px solid oklch(90% 0.01 280);
}
.playground__search-input {
width: 100%;
padding: 0.75rem 1rem;
border: 1px solid oklch(85% 0.01 280);
border-radius: 0.5rem;
font-size: 0.875rem;
transition: border-color 0.2s;
&:focus {
outline: none;
border-color: oklch(60% 0.2 280);
box-shadow: 0 0 0 3px oklch(90% 0.1 280 / 0.3);
}
}
.playground__component-list {
flex: 1;
overflow-y: auto;
padding: 0.5rem;
}
.playground__component-item {
padding: 1rem;
margin-bottom: 0.5rem;
background: oklch(98% 0.01 280);
border: 1px solid oklch(90% 0.01 280);
border-radius: 0.5rem;
cursor: pointer;
transition: all 0.2s;
&:hover {
background: oklch(95% 0.01 280);
border-color: oklch(80% 0.05 280);
transform: translateX(4px);
}
&--active {
background: oklch(85% 0.15 280);
border-color: oklch(60% 0.2 280);
box-shadow: 0 2px 8px oklch(60% 0.2 280 / 0.2);
&:hover {
transform: none;
}
}
}
.playground__component-name {
font-weight: 600;
color: oklch(20% 0.02 280);
margin-bottom: 0.5rem;
font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}
.playground__component-meta {
display: flex;
gap: 0.5rem;
flex-wrap: wrap;
}
.playground__badge {
display: inline-block;
padding: 0.25rem 0.5rem;
background: oklch(92% 0.01 280);
color: oklch(40% 0.05 280);
border-radius: 0.25rem;
font-size: 0.75rem;
font-weight: 500;
&--cache {
background: oklch(85% 0.15 140);
color: oklch(30% 0.1 140);
}
}
/* ========================================
Main Content Area
======================================== */
.playground__main {
padding: 2rem;
overflow-y: auto;
}
.playground__section {
margin-bottom: 3rem;
background: oklch(100% 0 0);
border: 1px solid oklch(90% 0.01 280);
border-radius: 0.75rem;
padding: 1.5rem;
box-shadow: 0 1px 3px oklch(0% 0 0 / 0.05);
}
.playground__section-title {
font-size: 1.25rem;
font-weight: 600;
color: oklch(20% 0.02 280);
margin: 0 0 1rem 0;
padding-bottom: 0.75rem;
border-bottom: 1px solid oklch(90% 0.01 280);
}
/* ========================================
State Editor
======================================== */
.playground__state-editor {
display: flex;
flex-direction: column;
gap: 1rem;
}
.playground__textarea {
width: 100%;
padding: 1rem;
border: 1px solid oklch(85% 0.01 280);
border-radius: 0.5rem;
font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
font-size: 0.875rem;
line-height: 1.5;
background: oklch(98% 0.01 280);
color: oklch(20% 0.02 280);
resize: vertical;
min-height: 200px;
&:focus {
outline: none;
border-color: oklch(60% 0.2 280);
box-shadow: 0 0 0 3px oklch(90% 0.1 280 / 0.3);
}
}
.playground__editor-actions {
display: flex;
gap: 0.75rem;
flex-wrap: wrap;
}
.playground__validation {
padding: 0.75rem;
border-radius: 0.5rem;
font-size: 0.875rem;
min-height: 2.5rem;
display: flex;
align-items: center;
}
.playground__success {
color: oklch(35% 0.15 140);
font-weight: 500;
}
.playground__error {
color: oklch(50% 0.2 30);
font-weight: 500;
}
/* ========================================
Buttons
======================================== */
.playground__button {
padding: 0.75rem 1.5rem;
background: oklch(95% 0.01 280);
color: oklch(30% 0.05 280);
border: 1px solid oklch(85% 0.01 280);
border-radius: 0.5rem;
font-size: 0.875rem;
font-weight: 500;
cursor: pointer;
transition: all 0.2s;
&:hover {
background: oklch(92% 0.01 280);
border-color: oklch(80% 0.05 280);
}
&:active {
transform: translateY(1px);
}
&:focus {
outline: none;
box-shadow: 0 0 0 3px oklch(90% 0.1 280 / 0.3);
}
&--primary {
background: oklch(60% 0.2 280);
color: oklch(100% 0 0);
border-color: oklch(60% 0.2 280);
&:hover {
background: oklch(55% 0.2 280);
border-color: oklch(55% 0.2 280);
}
}
&--action {
font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
background: oklch(85% 0.15 140);
color: oklch(25% 0.1 140);
border-color: oklch(75% 0.15 140);
&:hover {
background: oklch(80% 0.15 140);
border-color: oklch(70% 0.15 140);
}
}
}
/* ========================================
Live Preview
======================================== */
.playground__preview {
min-height: 300px;
padding: 2rem;
background: oklch(98% 0.01 280);
border: 1px dashed oklch(85% 0.01 280);
border-radius: 0.5rem;
margin-bottom: 1rem;
}
/* ========================================
Performance Metrics
======================================== */
.playground__metrics {
padding: 1rem;
background: oklch(95% 0.01 280);
border-radius: 0.5rem;
border: 1px solid oklch(90% 0.01 280);
}
.playground__metrics-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
gap: 1rem;
}
.playground__metric {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
.playground__metric-label {
font-size: 0.75rem;
color: oklch(50% 0.05 280);
font-weight: 500;
text-transform: uppercase;
letter-spacing: 0.05em;
}
.playground__metric-value {
font-size: 1.5rem;
font-weight: 700;
color: oklch(20% 0.02 280);
font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
}
/* ========================================
Actions
======================================== */
.playground__actions {
display: flex;
flex-direction: column;
gap: 1rem;
}
.playground__action {
padding: 1rem;
background: oklch(98% 0.01 280);
border: 1px solid oklch(90% 0.01 280);
border-radius: 0.5rem;
}
.playground__action-params {
margin-top: 1rem;
padding-top: 1rem;
border-top: 1px solid oklch(90% 0.01 280);
display: flex;
flex-direction: column;
gap: 0.75rem;
label {
display: flex;
flex-direction: column;
gap: 0.5rem;
font-size: 0.875rem;
color: oklch(30% 0.05 280);
font-weight: 500;
}
input {
padding: 0.75rem;
border: 1px solid oklch(85% 0.01 280);
border-radius: 0.5rem;
font-size: 0.875rem;
&:focus {
outline: none;
border-color: oklch(60% 0.2 280);
box-shadow: 0 0 0 3px oklch(90% 0.1 280 / 0.3);
}
}
}
/* ========================================
Code Generator
======================================== */
.playground__code-generator {
display: flex;
flex-direction: column;
gap: 1rem;
}
.playground__code {
padding: 1.5rem;
background: oklch(15% 0.01 280);
color: oklch(90% 0.05 140);
border-radius: 0.5rem;
font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
font-size: 0.875rem;
line-height: 1.6;
overflow-x: auto;
margin: 0;
code {
color: inherit;
background: none;
}
}
/* ========================================
Empty States & Loading
======================================== */
.playground__empty {
padding: 3rem;
text-align: center;
color: oklch(60% 0.05 280);
font-size: 0.875rem;
}
.playground__loading {
padding: 2rem;
text-align: center;
color: oklch(50% 0.05 280);
font-size: 0.875rem;
&::after {
content: '';
display: inline-block;
width: 1rem;
height: 1rem;
margin-left: 0.5rem;
border: 2px solid oklch(80% 0.05 280);
border-top-color: oklch(60% 0.2 280);
border-radius: 50%;
animation: playground-spin 0.8s linear infinite;
}
}
@keyframes playground-spin {
to {
transform: rotate(360deg);
}
}
/* ========================================
Responsive Design
======================================== */
@media (max-width: 1024px) {
.playground__layout {
grid-template-columns: 1fr;
}
.playground__sidebar {
border-right: none;
border-bottom: 1px solid oklch(90% 0.01 280);
max-height: 400px;
}
.playground__metrics-grid {
grid-template-columns: 1fr;
}
}
/* ========================================
Dark Mode Support
======================================== */
@media (prefers-color-scheme: dark) {
.playground {
background: oklch(15% 0.01 280);
}
.playground__header,
.playground__sidebar,
.playground__section {
background: oklch(20% 0.01 280);
border-color: oklch(30% 0.01 280);
}
.playground__title {
color: oklch(90% 0.02 280);
}
.playground__subtitle {
color: oklch(70% 0.05 280);
}
.playground__search-input,
.playground__textarea {
background: oklch(15% 0.01 280);
color: oklch(90% 0.02 280);
border-color: oklch(30% 0.01 280);
}
.playground__component-item {
background: oklch(18% 0.01 280);
border-color: oklch(30% 0.01 280);
&:hover {
background: oklch(25% 0.01 280);
}
&--active {
background: oklch(35% 0.15 280);
border-color: oklch(50% 0.2 280);
}
}
.playground__button {
background: oklch(25% 0.01 280);
color: oklch(85% 0.02 280);
border-color: oklch(35% 0.01 280);
&:hover {
background: oklch(30% 0.01 280);
}
}
.playground__preview,
.playground__metrics,
.playground__action {
background: oklch(18% 0.01 280);
border-color: oklch(30% 0.01 280);
}
.playground__metric-value {
color: oklch(90% 0.02 280);
}
}
}

546
resources/css/components/file-upload-widget.css Normal file
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/**
* File Upload Widget Styles
*
* Complete styling for file upload UI component with:
* - Drag & Drop zone
* - File list with thumbnails/icons
* - Progress indicators
* - Status feedback
* - Dark mode support
* - Responsive design
*
* @package Framework\LiveComponents
*/
@layer components {
/* ===== Widget Container ===== */
.file-upload-widget {
width: 100%;
max-width: 600px;
margin: 0 auto;
}
/* ===== Drop Zone ===== */
.file-upload-dropzone {
position: relative;
border: 2px dashed oklch(70% 0.05 280);
border-radius: 0.75rem;
padding: 2rem;
text-align: center;
background: oklch(98% 0.01 280);
transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
cursor: pointer;
}
.file-upload-dropzone:hover {
border-color: oklch(60% 0.15 280);
background: oklch(96% 0.02 280);
}
.file-upload-dropzone.drag-over,
.file-upload-dropzone.drag-active {
border-color: oklch(60% 0.25 280);
background: oklch(95% 0.08 280 / 0.5);
transform: scale(1.02);
}
.dropzone-content {
display: flex;
flex-direction: column;
align-items: center;
gap: 1rem;
pointer-events: none; /* Allow drag events to pass through */
}
.dropzone-icon {
color: oklch(60% 0.15 280);
opacity: 0.7;
}
.file-upload-dropzone:hover .dropzone-icon,
.file-upload-dropzone.drag-over .dropzone-icon {
opacity: 1;
color: oklch(60% 0.25 280);
}
.dropzone-text {
margin: 0;
color: oklch(40% 0.05 280);
font-size: 1rem;
font-weight: 500;
}
.dropzone-button {
pointer-events: auto;
padding: 0.5rem 1.5rem;
border-radius: 0.5rem;
background: oklch(60% 0.25 280);
color: white;
border: none;
cursor: pointer;
font-weight: 500;
transition: all 0.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.dropzone-button:hover {
background: oklch(55% 0.25 280);
transform: translateY(-2px);
}
.dropzone-button:active {
transform: translateY(0);
}
.dropzone-input {
position: absolute;
opacity: 0;
pointer-events: none;
}
/* ===== File List ===== */
.file-upload-list {
margin-top: 1.5rem;
border: 1px solid oklch(85% 0.02 280);
border-radius: 0.75rem;
padding: 1rem;
background: oklch(99% 0.005 280);
}
.file-list-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 1rem;
padding-bottom: 0.75rem;
border-bottom: 1px solid oklch(90% 0.02 280);
}
.file-list-header h4 {
margin: 0;
font-size: 1rem;
font-weight: 600;
color: oklch(30% 0.05 280);
}
.file-list-actions {
display: flex;
gap: 0.5rem;
}
.file-list-items {
display: flex;
flex-direction: column;
gap: 0.75rem;
}
/* ===== File Item ===== */
.file-item {
display: grid;
grid-template-columns: auto 1fr auto;
gap: 1rem;
align-items: start;
padding: 0.75rem;
border: 1px solid oklch(90% 0.02 280);
border-radius: 0.5rem;
background: white;
transition: all 0.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.file-item:hover {
border-color: oklch(80% 0.05 280);
box-shadow: 0 2px 8px oklch(50% 0.05 280 / 0.08);
}
/* File item states */
.file-item.file-uploading {
border-color: oklch(60% 0.25 280);
background: oklch(98% 0.08 280 / 0.3);
}
.file-item.file-complete {
border-color: oklch(70% 0.15 140);
background: oklch(98% 0.08 140 / 0.2);
}
.file-item.file-error {
border-color: oklch(65% 0.2 30);
background: oklch(98% 0.08 30 / 0.2);
}
/* ===== File Preview ===== */
.file-preview {
width: 56px;
height: 56px;
border-radius: 0.375rem;
overflow: hidden;
background: oklch(95% 0.02 280);
display: flex;
align-items: center;
justify-content: center;
}
.file-thumbnail {
width: 100%;
height: 100%;
object-fit: cover;
}
.file-icon {
color: oklch(60% 0.1 280);
}
/* ===== File Info ===== */
.file-info {
flex: 1;
min-width: 0; /* Allow text truncation */
display: flex;
flex-direction: column;
gap: 0.25rem;
}
.file-name {
font-weight: 500;
color: oklch(25% 0.05 280);
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.file-meta {
display: flex;
gap: 0.75rem;
align-items: center;
font-size: 0.875rem;
color: oklch(50% 0.05 280);
}
.file-status {
font-weight: 500;
}
.file-status[data-status="pending"] {
color: oklch(50% 0.1 280);
}
.file-status[data-status="uploading"] {
color: oklch(60% 0.25 280);
}
.file-status[data-status="complete"] {
color: oklch(60% 0.15 140);
}
.file-status[data-status="error"] {
color: oklch(55% 0.2 30);
}
.file-error {
margin-top: 0.25rem;
padding: 0.5rem;
background: oklch(98% 0.08 30 / 0.3);
border-radius: 0.25rem;
font-size: 0.875rem;
color: oklch(45% 0.15 30);
}
/* ===== File Progress ===== */
.file-progress {
display: flex;
align-items: center;
gap: 0.5rem;
margin-top: 0.5rem;
}
.file-progress-bar {
flex: 1;
height: 4px;
background: oklch(90% 0.02 280);
border-radius: 2px;
overflow: hidden;
}
.file-progress-fill {
height: 100%;
background: oklch(60% 0.25 280);
border-radius: 2px;
transition: width 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.file-progress-text {
font-size: 0.75rem;
font-weight: 600;
color: oklch(50% 0.1 280);
min-width: 3ch;
text-align: right;
}
/* ===== File Actions ===== */
.file-actions {
display: flex;
gap: 0.25rem;
}
.btn-icon {
width: 32px;
height: 32px;
padding: 0.5rem;
border: none;
background: transparent;
border-radius: 0.25rem;
color: oklch(50% 0.05 280);
cursor: pointer;
transition: all 0.2s cubic-bezier(0.22, 0.61, 0.36, 1);
display: flex;
align-items: center;
justify-content: center;
}
.btn-icon:hover {
background: oklch(95% 0.02 280);
color: oklch(40% 0.1 280);
}
.btn-icon:active {
transform: scale(0.95);
}
/* ===== Overall Progress ===== */
.file-upload-progress {
margin-top: 1rem;
padding: 1rem;
border: 1px solid oklch(85% 0.02 280);
border-radius: 0.5rem;
background: oklch(99% 0.005 280);
}
.progress-info {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 0.5rem;
}
.progress-label {
font-weight: 500;
color: oklch(30% 0.05 280);
}
.progress-percentage {
font-weight: 600;
color: oklch(60% 0.25 280);
font-size: 0.875rem;
}
.progress-bar {
height: 8px;
background: oklch(90% 0.02 280);
border-radius: 4px;
overflow: hidden;
}
.progress-fill {
height: 100%;
background: linear-gradient(90deg, oklch(60% 0.25 280), oklch(70% 0.25 280));
border-radius: 4px;
transition: width 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
/* ===== Button Styles ===== */
.btn {
padding: 0.5rem 1rem;
border-radius: 0.375rem;
font-weight: 500;
font-size: 0.875rem;
cursor: pointer;
border: none;
transition: all 0.2s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.btn-primary {
background: oklch(60% 0.25 280);
color: white;
}
.btn-primary:hover {
background: oklch(55% 0.25 280);
transform: translateY(-1px);
}
.btn-secondary {
background: oklch(90% 0.02 280);
color: oklch(40% 0.05 280);
}
.btn-secondary:hover {
background: oklch(85% 0.05 280);
}
.btn-sm {
padding: 0.375rem 0.75rem;
font-size: 0.8125rem;
}
.btn:active {
transform: translateY(0);
}
/* ===== Dark Mode Support ===== */
@media (prefers-color-scheme: dark) {
.file-upload-dropzone {
border-color: oklch(40% 0.05 280);
background: oklch(25% 0.02 280);
}
.file-upload-dropzone:hover,
.file-upload-dropzone.drag-over {
border-color: oklch(60% 0.25 280);
background: oklch(30% 0.08 280);
}
.dropzone-text {
color: oklch(75% 0.05 280);
}
.file-upload-list {
border-color: oklch(35% 0.02 280);
background: oklch(22% 0.02 280);
}
.file-list-header {
border-bottom-color: oklch(30% 0.02 280);
}
.file-list-header h4 {
color: oklch(85% 0.05 280);
}
.file-item {
border-color: oklch(30% 0.02 280);
background: oklch(25% 0.02 280);
}
.file-item:hover {
border-color: oklch(40% 0.05 280);
}
.file-preview {
background: oklch(30% 0.02 280);
}
.file-name {
color: oklch(85% 0.05 280);
}
.file-meta {
color: oklch(65% 0.05 280);
}
.file-error {
background: oklch(35% 0.08 30 / 0.3);
color: oklch(75% 0.15 30);
}
.file-progress-bar {
background: oklch(30% 0.02 280);
}
.file-upload-progress {
border-color: oklch(35% 0.02 280);
background: oklch(22% 0.02 280);
}
.progress-label {
color: oklch(85% 0.05 280);
}
.progress-bar {
background: oklch(30% 0.02 280);
}
.btn-secondary {
background: oklch(30% 0.02 280);
color: oklch(80% 0.05 280);
}
.btn-secondary:hover {
background: oklch(35% 0.05 280);
}
.btn-icon:hover {
background: oklch(30% 0.02 280);
color: oklch(80% 0.1 280);
}
}
/* ===== Responsive Design ===== */
@media (max-width: 640px) {
.file-upload-widget {
max-width: 100%;
}
.file-upload-dropzone {
padding: 1.5rem 1rem;
}
.dropzone-text {
font-size: 0.875rem;
}
.file-item {
grid-template-columns: auto 1fr;
gap: 0.75rem;
}
.file-actions {
grid-column: 1 / -1;
justify-content: flex-end;
padding-top: 0.5rem;
border-top: 1px solid oklch(90% 0.02 280);
}
@media (prefers-color-scheme: dark) {
.file-actions {
border-top-color: oklch(30% 0.02 280);
}
}
.file-list-header {
flex-direction: column;
align-items: flex-start;
gap: 0.75rem;
}
.file-list-actions {
width: 100%;
}
.file-list-actions .btn {
flex: 1;
}
}
/* ===== Animations ===== */
@keyframes upload-pulse {
0%, 100% {
opacity: 1;
}
50% {
opacity: 0.7;
}
}
.file-item.file-uploading .file-progress-fill {
animation: upload-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}
/* ===== Reduced Motion Support ===== */
@media (prefers-reduced-motion: reduce) {
*,
*::before,
*::after {
animation-duration: 0.01ms !important;
animation-iteration-count: 1 !important;
transition-duration: 0.01ms !important;
}
}
}

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resources/css/components/skeleton-loader.css Normal file
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/**
* Skeleton Loader Component
*
* Modern skeleton loading placeholders for lazy-loaded components.
* Uses CSS animations for smooth, performant loading states.
*
* Features:
* - Multiple skeleton types (text, card, list, table, feed)
* - Smooth shimmer animation
* - Responsive design
* - Customizable via CSS custom properties
* - Accessibility-friendly
*/
@layer components {
/* Base Skeleton Styles */
.skeleton {
--skeleton-bg: oklch(95% 0.01 280);
--skeleton-shimmer: oklch(98% 0.01 280);
--skeleton-duration: 1.5s;
--skeleton-radius: 0.5rem;
background: linear-gradient(
90deg,
var(--skeleton-bg) 0%,
var(--skeleton-shimmer) 50%,
var(--skeleton-bg) 100%
);
background-size: 200% 100%;
animation: skeleton-shimmer var(--skeleton-duration) infinite ease-in-out;
border-radius: var(--skeleton-radius);
opacity: 0.7;
/* Accessibility */
&::before {
content: '';
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
user-select: none;
pointer-events: none;
}
}
/* Shimmer Animation */
@keyframes skeleton-shimmer {
0% {
background-position: -200% 0;
}
100% {
background-position: 200% 0;
}
}
/* Skeleton Container */
.skeleton-container {
padding: 1.5rem;
background: var(--color-bg, oklch(100% 0 0));
border-radius: var(--skeleton-radius);
border: 1px solid oklch(90% 0.01 280);
min-height: 150px;
position: relative;
overflow: hidden;
/* Loading indicator */
&::after {
content: 'Loading...';
position: absolute;
bottom: 0.75rem;
left: 50%;
transform: translateX(-50%);
font-size: 0.875rem;
color: oklch(60% 0.05 280);
opacity: 0.5;
pointer-events: none;
}
/* Hide loading text when content loads */
&[data-loaded="true"]::after {
display: none;
}
}
/* Text Skeleton */
.skeleton-text {
height: 1rem;
margin-bottom: 0.75rem;
border-radius: 0.25rem;
&:last-child {
margin-bottom: 0;
}
/* Width variants */
&--full {
width: 100%;
}
&--80 {
width: 80%;
}
&--60 {
width: 60%;
}
&--40 {
width: 40%;
}
/* Size variants */
&--lg {
height: 1.5rem;
}
&--sm {
height: 0.75rem;
}
}
/* Card Skeleton */
.skeleton-card {
display: flex;
flex-direction: column;
gap: 1rem;
padding: 1.5rem;
background: var(--color-bg, oklch(100% 0 0));
border-radius: var(--skeleton-radius);
border: 1px solid oklch(90% 0.01 280);
&__header {
display: flex;
align-items: center;
gap: 1rem;
}
&__avatar {
width: 48px;
height: 48px;
border-radius: 50%;
flex-shrink: 0;
}
&__title {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
&__image {
width: 100%;
height: 200px;
border-radius: 0.5rem;
}
&__content {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
&__footer {
display: flex;
gap: 1rem;
padding-top: 0.5rem;
border-top: 1px solid oklch(90% 0.01 280);
}
&__action {
height: 2.5rem;
flex: 1;
border-radius: 0.5rem;
}
}
/* List Skeleton */
.skeleton-list {
display: flex;
flex-direction: column;
gap: 1rem;
&__item {
display: flex;
align-items: center;
gap: 1rem;
padding: 1rem;
background: var(--color-bg, oklch(100% 0 0));
border-radius: var(--skeleton-radius);
border: 1px solid oklch(90% 0.01 280);
}
&__icon {
width: 40px;
height: 40px;
border-radius: 0.5rem;
flex-shrink: 0;
}
&__content {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.5rem;
}
&__action {
width: 80px;
height: 2rem;
border-radius: 0.5rem;
}
}
/* Table Skeleton */
.skeleton-table {
width: 100%;
border-collapse: separate;
border-spacing: 0;
border-radius: var(--skeleton-radius);
overflow: hidden;
border: 1px solid oklch(90% 0.01 280);
&__row {
display: flex;
gap: 1rem;
padding: 1rem;
&:not(:last-child) {
border-bottom: 1px solid oklch(90% 0.01 280);
}
/* Header row */
&--header {
background: oklch(97% 0.01 280);
font-weight: 600;
}
}
&__cell {
flex: 1;
height: 1.5rem;
border-radius: 0.25rem;
&--narrow {
flex: 0 0 100px;
}
&--wide {
flex: 2;
}
}
}
/* Feed Skeleton */
.skeleton-feed {
display: flex;
flex-direction: column;
gap: 1.5rem;
&__item {
display: flex;
flex-direction: column;
gap: 1rem;
padding: 1.5rem;
background: var(--color-bg, oklch(100% 0 0));
border-radius: var(--skeleton-radius);
border: 1px solid oklch(90% 0.01 280);
}
&__header {
display: flex;
align-items: center;
gap: 0.75rem;
}
&__avatar {
width: 40px;
height: 40px;
border-radius: 50%;
flex-shrink: 0;
}
&__meta {
flex: 1;
display: flex;
flex-direction: column;
gap: 0.375rem;
}
&__content {
display: flex;
flex-direction: column;
gap: 0.5rem;
}
&__actions {
display: flex;
gap: 1rem;
padding-top: 0.75rem;
border-top: 1px solid oklch(90% 0.01 280);
}
&__action {
width: 80px;
height: 2rem;
border-radius: 0.5rem;
}
}
/* Stats Skeleton */
.skeleton-stats {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 1rem;
&__card {
display: flex;
flex-direction: column;
gap: 0.75rem;
padding: 1.5rem;
background: var(--color-bg, oklch(100% 0 0));
border-radius: var(--skeleton-radius);
border: 1px solid oklch(90% 0.01 280);
}
&__label {
height: 1rem;
width: 60%;
border-radius: 0.25rem;
}
&__value {
height: 2.5rem;
width: 80%;
border-radius: 0.5rem;
}
&__trend {
height: 0.875rem;
width: 40%;
border-radius: 0.25rem;
}
}
/* Chart Skeleton */
.skeleton-chart {
display: flex;
flex-direction: column;
gap: 1rem;
padding: 1.5rem;
background: var(--color-bg, oklch(100% 0 0));
border-radius: var(--skeleton-radius);
border: 1px solid oklch(90% 0.01 280);
&__title {
height: 1.5rem;
width: 40%;
border-radius: 0.25rem;
}
&__graph {
display: flex;
align-items: flex-end;
gap: 0.5rem;
height: 200px;
padding: 1rem 0;
border-bottom: 2px solid oklch(90% 0.01 280);
}
&__bar {
flex: 1;
border-radius: 0.25rem;
min-height: 40px;
&:nth-child(1) {
height: 60%;
}
&:nth-child(2) {
height: 80%;
}
&:nth-child(3) {
height: 50%;
}
&:nth-child(4) {
height: 90%;
}
&:nth-child(5) {
height: 70%;
}
}
&__legend {
display: flex;
gap: 1rem;
flex-wrap: wrap;
}
&__legend-item {
height: 1rem;
width: 80px;
border-radius: 0.25rem;
}
}
/* Responsive adjustments */
@media (max-width: 768px) {
.skeleton-container {
padding: 1rem;
}
.skeleton-card {
padding: 1rem;
&__image {
height: 150px;
}
}
.skeleton-stats {
grid-template-columns: 1fr;
}
}
/* Dark mode support */
@media (prefers-color-scheme: dark) {
.skeleton {
--skeleton-bg: oklch(20% 0.01 280);
--skeleton-shimmer: oklch(25% 0.01 280);
}
.skeleton-container,
.skeleton-card,
.skeleton-list__item,
.skeleton-table,
.skeleton-feed__item,
.skeleton-stats__card,
.skeleton-chart {
background: oklch(15% 0.01 280);
border-color: oklch(25% 0.01 280);
}
.skeleton-table__row--header {
background: oklch(18% 0.01 280);
}
}
/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
.skeleton {
animation: none;
opacity: 0.5;
}
}
}

14
resources/js/main.js
View File

@@ -4,6 +4,15 @@ import { initApp } from './core/init.js';
import { Logger } from './core/logger.js';
import { CsrfAutoRefresh } from './modules/csrf-auto-refresh.js';
import { FormAutoSave } from './modules/form-autosave.js';
// WebPushManager is now loaded via framework module system
// LiveComponent is now loaded via framework module system
// Import DevTools in development
if (import.meta.env.DEV) {
import('./modules/LiveComponentDevTools.js').then(() => {
console.log('🛠️ LiveComponent DevTools loaded (Ctrl+Shift+D to toggle)');
});
}
// Import Hot Reload in development
if (import.meta.env.DEV) {
@@ -28,7 +37,10 @@ document.addEventListener("DOMContentLoaded", async () => {
// Initialize Form Auto-Save for all forms
const autosaveInstances = FormAutoSave.initializeAll();
console.log(`💾 Form Auto-Save initialized for ${autosaveInstances.length} forms`);
// WebPush Manager is initialized by framework module system
// Access via window.webPushManager after module initialization
// Debug info
setTimeout(() => {
console.log('📊 Debug Info:');

1795
resources/js/modules/LiveComponentDevTools.js Normal file
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23
resources/js/modules/config.js
View File

@@ -21,5 +21,28 @@ export const moduleConfig = {
},
'smooth-scroll': {
'speed': 0.2,
},
'performance-profiler': {
enabled: false, // Enable via data-module="performance-profiler" or in dev mode
maxSamples: 1000,
samplingInterval: 10,
autoStart: false,
autoInstrument: true, // Auto-instrument LiveComponents
flamegraphContainer: '#flamegraph-container',
timelineContainer: '#timeline-container',
flamegraph: {
width: 1200,
height: 400,
barHeight: 20,
barPadding: 2,
colorScheme: 'category', // 'category', 'duration', 'monochrome'
minWidth: 0.5
},
timeline: {
width: 1200,
height: 200,
trackHeight: 30,
padding: { top: 20, right: 20, bottom: 30, left: 60 }
}
}
};

65
resources/js/modules/csrf-auto-refresh.js
View File

@@ -1,26 +1,33 @@
/**
* CSRF Token Auto-Refresh System
*
*
* Automatically refreshes CSRF tokens before they expire to prevent
* form submission errors when users keep forms open for extended periods.
*
*
* Features:
* - Automatic token refresh every 105 minutes (15 minutes before expiry)
* - Support for both regular forms and LiveComponents
* - Visual feedback when tokens are refreshed
* - Graceful error handling with fallback strategies
* - Page visibility optimization (pause when tab is inactive)
* - Multiple form support
*
*
* Usage:
* import { CsrfAutoRefresh } from './modules/csrf-auto-refresh.js';
*
*
* // Initialize for contact form
* const csrfRefresh = new CsrfAutoRefresh({
* formId: 'contact_form',
* refreshInterval: 105 * 60 * 1000 // 105 minutes
* });
*
* // Or auto-detect all forms with CSRF tokens
*
* // Initialize for a LiveComponent
* const liveRefresh = new CsrfAutoRefresh({
* formId: 'counter:demo', // Component ID
* refreshInterval: 105 * 60 * 1000
* });
*
* // Or auto-detect all forms and LiveComponents with CSRF tokens
* CsrfAutoRefresh.initializeAll();
*/
@@ -185,11 +192,13 @@ export class CsrfAutoRefresh {
/**
* Update CSRF token in all forms on the page
* Supports both regular forms and LiveComponent data-csrf-token attributes
*/
updateTokenInForms(newToken) {
const tokenInputs = document.querySelectorAll(this.config.tokenSelector);
let updatedCount = 0;
// Update regular form input tokens
const tokenInputs = document.querySelectorAll(this.config.tokenSelector);
tokenInputs.forEach(input => {
// Check if this token belongs to our form
const form = input.closest('form');
@@ -202,10 +211,27 @@ export class CsrfAutoRefresh {
}
});
this.log(`Updated ${updatedCount} token input(s)`);
// Update LiveComponent data-csrf-token attributes
// LiveComponents use form ID format: "livecomponent:{componentId}"
const liveComponentFormId = 'livecomponent:' + this.config.formId.replace(/^livecomponent:/, '');
const liveComponents = document.querySelectorAll('[data-live-component][data-csrf-token]');
liveComponents.forEach(component => {
// Check if this component uses our form ID
const componentId = component.dataset.liveComponent;
const expectedFormId = 'livecomponent:' + componentId;
if (expectedFormId === liveComponentFormId || this.config.formId === componentId) {
component.dataset.csrfToken = newToken;
updatedCount++;
this.log(`Updated LiveComponent token: ${componentId}`);
}
});
this.log(`Updated ${updatedCount} token(s) (forms + LiveComponents)`);
if (updatedCount === 0) {
console.warn('CsrfAutoRefresh: No token inputs found to update. Check your selectors.');
console.warn('CsrfAutoRefresh: No tokens found to update. Check your selectors and formId.');
}
return updatedCount;
@@ -336,12 +362,13 @@ export class CsrfAutoRefresh {
/**
* Static method to initialize auto-refresh for all forms with CSRF tokens
* Supports both regular forms and LiveComponents
*/
static initializeAll() {
const tokenInputs = document.querySelectorAll('input[name="_token"]');
const formIds = new Set();
// Collect unique form IDs
// Collect unique form IDs from regular forms
const tokenInputs = document.querySelectorAll('input[name="_token"]');
tokenInputs.forEach(input => {
const form = input.closest('form');
if (form) {
@@ -352,14 +379,24 @@ export class CsrfAutoRefresh {
}
});
// Initialize auto-refresh for each unique form ID
// Collect unique component IDs from LiveComponents
const liveComponents = document.querySelectorAll('[data-live-component][data-csrf-token]');
liveComponents.forEach(component => {
const componentId = component.dataset.liveComponent;
if (componentId) {
// Use the component ID directly (without "livecomponent:" prefix for config)
formIds.add(componentId);
}
});
// Initialize auto-refresh for each unique form/component ID
const instances = [];
formIds.forEach(formId => {
const instance = new CsrfAutoRefresh({ formId });
instances.push(instance);
});
console.log(`CsrfAutoRefresh: Initialized for ${instances.length} forms:`, Array.from(formIds));
console.log(`CsrfAutoRefresh: Initialized for ${instances.length} forms/components:`, Array.from(formIds));
return instances;
}
}

2
resources/js/modules/index.js
View File

@@ -22,7 +22,7 @@ export async function registerModules() {
);
// Always load these core modules
const coreModules = new Set(['spa-router', 'form-handling', 'api-manager', 'image-manager']);
const coreModules = new Set(['spa-router', 'form-handling', 'api-manager', 'image-manager', 'livecomponent']);
const usedModules = new Set([...domModules, ...coreModules]);
const fallbackMode = usedModules.size === coreModules.size && domModules.size === 0;

453
resources/js/modules/livecomponent/AccessibilityManager.js Normal file
View File

@@ -0,0 +1,453 @@
/**
* Accessibility Manager for LiveComponents
*
* Manages accessibility features for dynamic content updates:
* - ARIA live regions for screen reader announcements
* - Focus management with data-lc-keep-focus attribute
* - Keyboard navigation preservation
* - Screen reader-friendly update notifications
*
* WCAG 2.1 Compliance:
* - 4.1.3 Status Messages (Level AA)
* - 2.4.3 Focus Order (Level A)
* - 2.1.1 Keyboard (Level A)
*/
export class AccessibilityManager {
constructor() {
/**
* ARIA live region element for announcements
* @type {HTMLElement|null}
*/
this.liveRegion = null;
/**
* Component-specific live regions
* Map<componentId, HTMLElement>
*/
this.componentLiveRegions = new Map();
/**
* Focus tracking for restoration
* Map<componentId, FocusState>
*/
this.focusStates = new Map();
/**
* Announcement queue for throttling
* @type {Array<{message: string, priority: string}>}
*/
this.announcementQueue = [];
/**
* Announcement throttle timer
* @type {number|null}
*/
this.announceTimer = null;
/**
* Throttle delay in milliseconds
* @type {number}
*/
this.throttleDelay = 500;
}
/**
* Initialize accessibility features
*
* Creates global live region and sets up initial state.
*/
initialize() {
// Create global live region if not exists
if (!this.liveRegion) {
this.liveRegion = this.createLiveRegion('livecomponent-announcer', 'polite');
document.body.appendChild(this.liveRegion);
}
console.log('[AccessibilityManager] Initialized with ARIA live regions');
}
/**
* Create ARIA live region element
*
* @param {string} id - Element ID
* @param {string} politeness - ARIA politeness level (polite|assertive)
* @returns {HTMLElement} Live region element
*/
createLiveRegion(id, politeness = 'polite') {
const region = document.createElement('div');
region.id = id;
region.setAttribute('role', 'status');
region.setAttribute('aria-live', politeness);
region.setAttribute('aria-atomic', 'true');
region.className = 'sr-only'; // Screen reader only styling
// Add screen reader only styles
region.style.position = 'absolute';
region.style.left = '-10000px';
region.style.width = '1px';
region.style.height = '1px';
region.style.overflow = 'hidden';
return region;
}
/**
* Create component-specific live region
*
* Each component can have its own live region for isolated announcements.
*
* @param {string} componentId - Component identifier
* @param {HTMLElement} container - Component container element
* @param {string} politeness - ARIA politeness level
* @returns {HTMLElement} Component live region
*/
createComponentLiveRegion(componentId, container, politeness = 'polite') {
// Check if already exists
let liveRegion = this.componentLiveRegions.get(componentId);
if (!liveRegion) {
liveRegion = this.createLiveRegion(`livecomponent-${componentId}-announcer`, politeness);
container.appendChild(liveRegion);
this.componentLiveRegions.set(componentId, liveRegion);
}
return liveRegion;
}
/**
* Announce update to screen readers
*
* Uses ARIA live regions to announce updates without stealing focus.
* Supports throttling to prevent announcement spam.
*
* @param {string} message - Message to announce
* @param {string} priority - Priority level (polite|assertive)
* @param {string|null} componentId - Optional component-specific announcement
*/
announce(message, priority = 'polite', componentId = null) {
// Add to queue
this.announcementQueue.push({ message, priority, componentId });
// Throttle announcements
if (this.announceTimer) {
clearTimeout(this.announceTimer);
}
this.announceTimer = setTimeout(() => {
this.flushAnnouncements();
}, this.throttleDelay);
}
/**
* Flush announcement queue
*
* Processes queued announcements and clears the queue.
*/
flushAnnouncements() {
if (this.announcementQueue.length === 0) return;
// Get most recent announcement (others are outdated)
const announcement = this.announcementQueue[this.announcementQueue.length - 1];
this.announcementQueue = [];
// Determine target live region
let liveRegion = this.liveRegion;
if (announcement.componentId) {
const componentRegion = this.componentLiveRegions.get(announcement.componentId);
if (componentRegion) {
liveRegion = componentRegion;
}
}
if (!liveRegion) {
console.warn('[AccessibilityManager] No live region available for announcement');
return;
}
// Update politeness if needed
if (announcement.priority === 'assertive') {
liveRegion.setAttribute('aria-live', 'assertive');
} else {
liveRegion.setAttribute('aria-live', 'polite');
}
// Clear and set new message
liveRegion.textContent = '';
// Use setTimeout to ensure screen reader picks up the change
setTimeout(() => {
liveRegion.textContent = announcement.message;
}, 100);
console.log(`[AccessibilityManager] Announced: "${announcement.message}" (${announcement.priority})`);
}
/**
* Capture focus state before update
*
* Saves current focus state for potential restoration after update.
*
* @param {string} componentId - Component identifier
* @param {HTMLElement} container - Component container element
* @returns {FocusState} Focus state object
*/
captureFocusState(componentId, container) {
const activeElement = document.activeElement;
// Check if focus is within container
if (!activeElement || !container.contains(activeElement)) {
return null;
}
const focusState = {
selector: this.getElementSelector(activeElement, container),
tagName: activeElement.tagName,
name: activeElement.name || null,
id: activeElement.id || null,
selectionStart: activeElement.selectionStart || null,
selectionEnd: activeElement.selectionEnd || null,
scrollTop: activeElement.scrollTop || 0,
scrollLeft: activeElement.scrollLeft || 0,
keepFocus: activeElement.hasAttribute('data-lc-keep-focus')
};
this.focusStates.set(componentId, focusState);
console.log(`[AccessibilityManager] Captured focus state for ${componentId}`, focusState);
return focusState;
}
/**
* Restore focus after update
*
* Restores focus to element marked with data-lc-keep-focus or previously focused element.
*
* @param {string} componentId - Component identifier
* @param {HTMLElement} container - Component container element
* @returns {boolean} True if focus was restored
*/
restoreFocus(componentId, container) {
const focusState = this.focusStates.get(componentId);
if (!focusState) {
return false;
}
try {
// Find element to focus
let elementToFocus = null;
// Priority 1: Element with data-lc-keep-focus attribute
if (focusState.keepFocus) {
elementToFocus = container.querySelector('[data-lc-keep-focus]');
}
// Priority 2: Element matching saved selector
if (!elementToFocus && focusState.selector) {
elementToFocus = container.querySelector(focusState.selector);
}
// Priority 3: Element with same ID
if (!elementToFocus && focusState.id) {
elementToFocus = container.querySelector(`#${focusState.id}`);
}
// Priority 4: Element with same name
if (!elementToFocus && focusState.name) {
elementToFocus = container.querySelector(`[name="${focusState.name}"]`);
}
if (elementToFocus && elementToFocus.focus) {
elementToFocus.focus();
// Restore selection for inputs/textareas
if (elementToFocus.setSelectionRange &&
focusState.selectionStart !== null &&
focusState.selectionEnd !== null) {
elementToFocus.setSelectionRange(
focusState.selectionStart,
focusState.selectionEnd
);
}
// Restore scroll position
if (focusState.scrollTop > 0) {
elementToFocus.scrollTop = focusState.scrollTop;
}
if (focusState.scrollLeft > 0) {
elementToFocus.scrollLeft = focusState.scrollLeft;
}
console.log(`[AccessibilityManager] Restored focus to ${focusState.selector}`);
return true;
}
} catch (error) {
console.debug('[AccessibilityManager] Could not restore focus:', error);
} finally {
// Clean up focus state
this.focusStates.delete(componentId);
}
return false;
}
/**
* Get CSS selector for an element within a container
*
* @param {HTMLElement} element - Element to get selector for
* @param {HTMLElement} container - Container element
* @returns {string|null} CSS selector or null
*/
getElementSelector(element, container) {
// Try ID (most specific)
if (element.id) {
return `#${element.id}`;
}
// Try name attribute
if (element.name) {
return `[name="${element.name}"]`;
}
// Try data-lc-key
const lcKey = element.getAttribute('data-lc-key');
if (lcKey) {
return `[data-lc-key="${lcKey}"]`;
}
// Try to build a path from container
const path = [];
let current = element;
while (current && current !== container && current !== document.body) {
let selector = current.tagName.toLowerCase();
// Add class if available
if (current.className && typeof current.className === 'string') {
const classes = current.className.split(' ').filter(c => c.trim());
if (classes.length > 0) {
selector += '.' + classes.join('.');
}
}
// Add nth-child if needed for specificity
if (current.parentElement) {
const siblings = Array.from(current.parentElement.children);
const index = siblings.indexOf(current) + 1;
if (siblings.length > 1) {
selector += `:nth-child(${index})`;
}
}
path.unshift(selector);
current = current.parentElement;
}
return path.length > 0 ? path.join(' > ') : null;
}
/**
* Announce component update
*
* Convenience method for announcing component updates.
*
* @param {string} componentId - Component identifier
* @param {string} updateType - Type of update (fragment|full|action)
* @param {Object} metadata - Additional metadata
*/
announceUpdate(componentId, updateType, metadata = {}) {
let message = '';
switch (updateType) {
case 'fragment':
message = `Updated ${metadata.fragmentName || 'content'}`;
break;
case 'full':
message = 'Component updated';
break;
case 'action':
message = metadata.actionMessage || 'Action completed';
break;
default:
message = 'Content updated';
}
this.announce(message, 'polite', componentId);
}
/**
* Check if element should preserve keyboard navigation
*
* @param {HTMLElement} element - Element to check
* @returns {boolean} True if keyboard navigation should be preserved
*/
shouldPreserveKeyboardNav(element) {
// Interactive elements that should always preserve keyboard nav
const interactiveTags = ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON', 'A'];
if (interactiveTags.includes(element.tagName)) {
return true;
}
// Elements with tabindex
if (element.hasAttribute('tabindex')) {
return true;
}
// Elements with role
const interactiveRoles = [
'button', 'link', 'textbox', 'searchbox',
'combobox', 'listbox', 'option', 'tab'
];
const role = element.getAttribute('role');
if (role && interactiveRoles.includes(role)) {
return true;
}
return false;
}
/**
* Cleanup component accessibility features
*
* @param {string} componentId - Component identifier
*/
cleanup(componentId) {
// Remove component live region
const liveRegion = this.componentLiveRegions.get(componentId);
if (liveRegion && liveRegion.parentElement) {
liveRegion.parentElement.removeChild(liveRegion);
}
this.componentLiveRegions.delete(componentId);
// Clear focus state
this.focusStates.delete(componentId);
console.log(`[AccessibilityManager] Cleaned up accessibility for ${componentId}`);
}
/**
* Get accessibility stats
*
* @returns {Object} Statistics about accessibility manager state
*/
getStats() {
return {
has_global_live_region: this.liveRegion !== null,
component_live_regions: this.componentLiveRegions.size,
tracked_focus_states: this.focusStates.size,
pending_announcements: this.announcementQueue.length
};
}
}
// Create singleton instance
export const accessibilityManager = new AccessibilityManager();
export default accessibilityManager;

701
resources/js/modules/livecomponent/ChunkedUploader.js Normal file
View File

@@ -0,0 +1,701 @@
/**
* ChunkedUploader - Chunked File Upload Module for Large Files
*
* Features:
* - Break large files into manageable chunks
* - SHA-256 hashing for integrity verification
* - Resume capability for interrupted uploads
* - Real-time progress via SSE
* - Retry logic with exponential backoff
* - Parallel chunk uploads (configurable)
* - Integration with LiveComponent system
*
* @package Framework\LiveComponents
*/
import { getGlobalSseClient } from '../sse/index.js';
/**
* Chunk Upload Status
*/
const ChunkStatus = {
PENDING: 'pending',
HASHING: 'hashing',
UPLOADING: 'uploading',
COMPLETE: 'complete',
ERROR: 'error'
};
/**
* Upload Session Status
*/
const SessionStatus = {
INITIALIZING: 'initializing',
INITIALIZED: 'initialized',
UPLOADING: 'uploading',
ASSEMBLING: 'assembling',
COMPLETE: 'complete',
ABORTED: 'aborted',
ERROR: 'error'
};
/**
* Chunk Metadata - Tracks individual chunk state
*/
class ChunkMetadata {
constructor(index, size, file) {
this.index = index;
this.size = size;
this.status = ChunkStatus.PENDING;
this.hash = null;
this.uploadedBytes = 0;
this.retries = 0;
this.error = null;
this.xhr = null;
this.file = file;
}
get progress() {
return this.size > 0 ? (this.uploadedBytes / this.size) * 100 : 0;
}
reset() {
this.status = ChunkStatus.PENDING;
this.uploadedBytes = 0;
this.error = null;
this.xhr = null;
}
abort() {
if (this.xhr) {
this.xhr.abort();
this.xhr = null;
}
}
}
/**
* Upload Session - Manages complete chunked upload session
*/
class UploadSession {
constructor(file, options) {
this.file = file;
this.sessionId = null;
this.totalChunks = 0;
this.chunkSize = options.chunkSize;
this.chunks = [];
this.status = SessionStatus.INITIALIZING;
this.uploadedChunks = 0;
this.expectedFileHash = null;
this.error = null;
this.startTime = null;
this.endTime = null;
this.expiresAt = null;
}
get progress() {
if (this.totalChunks === 0) return 0;
return (this.uploadedChunks / this.totalChunks) * 100;
}
get uploadedBytes() {
return this.chunks.reduce((sum, chunk) => sum + chunk.uploadedBytes, 0);
}
get totalBytes() {
return this.file.size;
}
get isComplete() {
return this.status === SessionStatus.COMPLETE;
}
get isError() {
return this.status === SessionStatus.ERROR;
}
get isAborted() {
return this.status === SessionStatus.ABORTED;
}
get canResume() {
return this.sessionId !== null && !this.isComplete && !this.isAborted;
}
getChunk(index) {
return this.chunks[index];
}
getPendingChunks() {
return this.chunks.filter(c => c.status === ChunkStatus.PENDING || c.status === ChunkStatus.ERROR);
}
getUploadingChunks() {
return this.chunks.filter(c => c.status === ChunkStatus.UPLOADING);
}
}
/**
* ChunkedUploader - Main chunked upload manager
*/
export class ChunkedUploader {
constructor(componentId, options = {}) {
this.componentId = componentId;
// Options
this.chunkSize = options.chunkSize || 512 * 1024; // 512KB default
this.maxConcurrentChunks = options.maxConcurrentChunks || 3;
this.maxRetries = options.maxRetries || 3;
this.retryDelay = options.retryDelay || 1000; // 1s base delay
this.enableSSE = options.enableSSE !== false; // SSE enabled by default
this.apiBase = options.apiBase || '/live-component/upload';
// Callbacks
this.onInitialized = options.onInitialized || (() => {});
this.onChunkProgress = options.onChunkProgress || (() => {});
this.onProgress = options.onProgress || (() => {});
this.onComplete = options.onComplete || (() => {});
this.onError = options.onError || (() => {});
this.onAborted = options.onAborted || (() => {});
this.onSSEProgress = options.onSSEProgress || (() => {});
// State
this.sessions = new Map(); // sessionId => UploadSession
this.activeSession = null;
this.sseClient = null;
this.userId = null;
// Initialize SSE if enabled
if (this.enableSSE) {
this.initializeSSE();
}
}
/**
* Initialize SSE connection for real-time progress
*/
initializeSSE() {
try {
// Get user ID from meta tag or data attribute
this.userId = this.getUserId();
if (this.userId) {
this.sseClient = getGlobalSseClient([`user:${this.userId}`]);
// Listen for progress events
this.sseClient.on('progress', (data) => {
this.handleSSEProgress(data);
});
// Connect if not already connected
if (!this.sseClient.isConnected()) {
this.sseClient.connect();
}
}
} catch (error) {
console.warn('[ChunkedUploader] Failed to initialize SSE:', error);
}
}
/**
* Get user ID for SSE channel
*/
getUserId() {
// Try meta tag first
const meta = document.querySelector('meta[name="user-id"]');
if (meta) return meta.content;
// Try data attribute on body
if (document.body.dataset.userId) {
return document.body.dataset.userId;
}
return null;
}
/**
* Handle SSE progress updates
*/
handleSSEProgress(data) {
const sessionId = data.session_id;
const session = this.sessions.get(sessionId);
if (session && data.taskId === sessionId) {
// Update session from SSE data
if (data.data?.uploaded_chunks !== undefined) {
session.uploadedChunks = data.data.uploaded_chunks;
}
if (data.data?.phase) {
switch (data.data.phase) {
case 'initialized':
session.status = SessionStatus.INITIALIZED;
break;
case 'uploading':
session.status = SessionStatus.UPLOADING;
break;
case 'completed':
session.status = SessionStatus.COMPLETE;
break;
case 'aborted':
session.status = SessionStatus.ABORTED;
break;
case 'error':
session.status = SessionStatus.ERROR;
break;
}
}
// Callback
this.onSSEProgress({
sessionId,
percent: data.percent,
message: data.message,
data: data.data
});
}
}
/**
* Upload file with chunking
*
* @param {File} file - File to upload
* @param {string} targetPath - Target path for assembled file
* @returns {Promise<UploadSession>}
*/
async upload(file, targetPath) {
// Create upload session
const session = new UploadSession(file, {
chunkSize: this.chunkSize
});
this.activeSession = session;
try {
// Calculate chunks
session.totalChunks = Math.ceil(file.size / this.chunkSize);
for (let i = 0; i < session.totalChunks; i++) {
const start = i * this.chunkSize;
const end = Math.min(start + this.chunkSize, file.size);
const size = end - start;
session.chunks.push(new ChunkMetadata(i, size, file));
}
// Initialize session with API
await this.initializeSession(session);
// Store session
this.sessions.set(session.sessionId, session);
// Start uploading chunks
session.status = SessionStatus.UPLOADING;
session.startTime = Date.now();
await this.uploadChunks(session);
// Complete upload
await this.completeUpload(session, targetPath);
// Success
session.status = SessionStatus.COMPLETE;
session.endTime = Date.now();
this.onComplete({
sessionId: session.sessionId,
file: session.file,
totalBytes: session.totalBytes,
duration: session.endTime - session.startTime
});
return session;
} catch (error) {
session.status = SessionStatus.ERROR;
session.error = error.message;
this.onError({
sessionId: session.sessionId,
file: session.file,
error: error.message
});
throw error;
}
}
/**
* Initialize upload session with API
*/
async initializeSession(session) {
const response = await fetch(`${this.apiBase}/init`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
'User-Agent': navigator.userAgent
},
body: JSON.stringify({
componentId: this.componentId,
fileName: session.file.name,
totalSize: session.file.size,
chunkSize: this.chunkSize
})
});
if (!response.ok) {
throw new Error(`Failed to initialize upload session: ${response.status}`);
}
const data = await response.json();
if (!data.success) {
throw new Error(data.error || 'Failed to initialize upload session');
}
// Update session
session.sessionId = data.session_id;
session.totalChunks = data.total_chunks;
session.expiresAt = new Date(data.expires_at);
session.status = SessionStatus.INITIALIZED;
this.onInitialized({
sessionId: session.sessionId,
totalChunks: session.totalChunks,
expiresAt: session.expiresAt
});
}
/**
* Upload all chunks with parallelization
*/
async uploadChunks(session) {
const pending = session.getPendingChunks();
// Upload chunks in parallel batches
while (pending.length > 0) {
const batch = pending.splice(0, this.maxConcurrentChunks);
await Promise.all(
batch.map(chunk => this.uploadChunk(session, chunk))
);
}
}
/**
* Upload a single chunk
*/
async uploadChunk(session, chunk) {
let retries = 0;
while (retries <= this.maxRetries) {
try {
// Hash chunk data
chunk.status = ChunkStatus.HASHING;
const chunkData = await this.readChunk(session.file, chunk);
const chunkHash = await this.hashChunk(chunkData);
chunk.hash = chunkHash;
// Upload chunk
chunk.status = ChunkStatus.UPLOADING;
await this.uploadChunkData(session, chunk, chunkData, chunkHash);
// Success
chunk.status = ChunkStatus.COMPLETE;
session.uploadedChunks++;
this.onProgress({
sessionId: session.sessionId,
progress: session.progress,
uploadedChunks: session.uploadedChunks,
totalChunks: session.totalChunks,
uploadedBytes: session.uploadedBytes,
totalBytes: session.totalBytes
});
return;
} catch (error) {
retries++;
if (retries > this.maxRetries) {
chunk.status = ChunkStatus.ERROR;
chunk.error = error.message;
throw new Error(`Chunk ${chunk.index} failed after ${this.maxRetries} retries: ${error.message}`);
}
// Exponential backoff
const delay = this.retryDelay * Math.pow(2, retries - 1);
await this.sleep(delay);
chunk.reset();
}
}
}
/**
* Read chunk data from file
*/
readChunk(file, chunk) {
return new Promise((resolve, reject) => {
const start = chunk.index * this.chunkSize;
const end = Math.min(start + chunk.size, file.size);
const blob = file.slice(start, end);
const reader = new FileReader();
reader.onload = (e) => resolve(e.target.result);
reader.onerror = (e) => reject(new Error('Failed to read chunk'));
reader.readAsArrayBuffer(blob);
});
}
/**
* Hash chunk data with SHA-256
*/
async hashChunk(chunkData) {
const hashBuffer = await crypto.subtle.digest('SHA-256', chunkData);
const hashArray = Array.from(new Uint8Array(hashBuffer));
return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
}
/**
* Upload chunk data to server
*/
uploadChunkData(session, chunk, chunkData, chunkHash) {
return new Promise((resolve, reject) => {
const formData = new FormData();
formData.append('sessionId', session.sessionId);
formData.append('chunkIndex', chunk.index);
formData.append('chunkHash', chunkHash);
formData.append('chunk', new Blob([chunkData]));
const xhr = new XMLHttpRequest();
chunk.xhr = xhr;
// Progress tracking
xhr.upload.addEventListener('progress', (e) => {
if (e.lengthComputable) {
chunk.uploadedBytes = e.loaded;
this.onChunkProgress({
sessionId: session.sessionId,
chunkIndex: chunk.index,
uploadedBytes: e.loaded,
totalBytes: e.total,
progress: (e.loaded / e.total) * 100
});
}
});
// Load event
xhr.addEventListener('load', () => {
if (xhr.status >= 200 && xhr.status < 300) {
try {
const response = JSON.parse(xhr.responseText);
if (response.success) {
resolve(response);
} else {
reject(new Error(response.error || 'Chunk upload failed'));
}
} catch (e) {
reject(e);
}
} else {
reject(new Error(`Chunk upload failed with status ${xhr.status}`));
}
});
// Error events
xhr.addEventListener('error', () => {
reject(new Error('Network error during chunk upload'));
});
xhr.addEventListener('abort', () => {
reject(new Error('Chunk upload cancelled'));
});
// Send request
xhr.open('POST', `${this.apiBase}/chunk`);
xhr.setRequestHeader('Accept', 'application/json');
xhr.setRequestHeader('User-Agent', navigator.userAgent);
xhr.send(formData);
});
}
/**
* Complete upload and assemble file
*/
async completeUpload(session, targetPath) {
session.status = SessionStatus.ASSEMBLING;
const response = await fetch(`${this.apiBase}/complete`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
'User-Agent': navigator.userAgent
},
body: JSON.stringify({
sessionId: session.sessionId,
targetPath: targetPath
})
});
if (!response.ok) {
throw new Error(`Failed to complete upload: ${response.status}`);
}
const data = await response.json();
if (!data.success) {
throw new Error(data.error || 'Failed to complete upload');
}
return data;
}
/**
* Abort upload
*/
async abort(sessionId) {
const session = this.sessions.get(sessionId);
if (!session) {
throw new Error('Session not found');
}
// Abort all active chunk uploads
session.chunks.forEach(chunk => chunk.abort());
// Notify server
try {
await fetch(`${this.apiBase}/abort`, {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
'User-Agent': navigator.userAgent
},
body: JSON.stringify({
sessionId: sessionId,
reason: 'User cancelled'
})
});
} catch (error) {
console.warn('[ChunkedUploader] Failed to notify server of abort:', error);
}
// Update session
session.status = SessionStatus.ABORTED;
this.onAborted({
sessionId,
uploadedChunks: session.uploadedChunks,
totalChunks: session.totalChunks
});
}
/**
* Get upload status
*/
async getStatus(sessionId) {
const response = await fetch(`${this.apiBase}/status/${sessionId}`, {
headers: {
'Accept': 'application/json',
'User-Agent': navigator.userAgent
}
});
if (!response.ok) {
throw new Error(`Failed to get upload status: ${response.status}`);
}
const data = await response.json();
if (!data.success) {
throw new Error(data.error || 'Failed to get upload status');
}
return data;
}
/**
* Resume interrupted upload
*/
async resume(sessionId, file, targetPath) {
// Get current status from server
const status = await this.getStatus(sessionId);
// Recreate session
const session = new UploadSession(file, {
chunkSize: this.chunkSize
});
session.sessionId = sessionId;
session.totalChunks = status.total_chunks;
session.uploadedChunks = status.uploaded_chunks;
session.status = SessionStatus.UPLOADING;
// Recreate chunks
for (let i = 0; i < session.totalChunks; i++) {
const start = i * this.chunkSize;
const end = Math.min(start + this.chunkSize, file.size);
const size = end - start;
const chunk = new ChunkMetadata(i, size, file);
// Mark already uploaded chunks as complete
if (i < status.uploaded_chunks) {
chunk.status = ChunkStatus.COMPLETE;
chunk.uploadedBytes = chunk.size;
}
session.chunks.push(chunk);
}
// Store and set as active
this.sessions.set(sessionId, session);
this.activeSession = session;
// Resume uploading
session.startTime = Date.now();
await this.uploadChunks(session);
await this.completeUpload(session, targetPath);
session.status = SessionStatus.COMPLETE;
session.endTime = Date.now();
this.onComplete({
sessionId: session.sessionId,
file: session.file,
totalBytes: session.totalBytes,
duration: session.endTime - session.startTime,
resumed: true
});
return session;
}
/**
* Helper: Sleep for delay
*/
sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
/**
* Cleanup
*/
destroy() {
// Abort all active sessions
this.sessions.forEach(session => {
if (session.canResume) {
session.chunks.forEach(chunk => chunk.abort());
}
});
this.sessions.clear();
this.activeSession = null;
}
}
export default ChunkedUploader;

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resources/js/modules/livecomponent/ComponentFileUploader.js Normal file
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/**
* ComponentFileUploader - File Upload Module for LiveComponents
*
* Features:
* - Drag & Drop support
* - Multi-file uploads with queue management
* - Progress tracking (per-file and overall)
* - Image/document previews
* - Client-side validation
* - CSRF protection
* - Integration with LiveComponent state management
*
* @package Framework\LiveComponents
*/
/**
* File Upload Progress Tracker
*/
export class UploadProgress {
constructor(file, fileId) {
this.file = file;
this.fileId = fileId;
this.uploadedBytes = 0;
this.totalBytes = file.size;
this.status = 'pending'; // pending, uploading, processing, complete, error
this.error = null;
this.xhr = null;
this.startTime = null;
this.endTime = null;
}
get percentage() {
if (this.totalBytes === 0) return 100;
return Math.round((this.uploadedBytes / this.totalBytes) * 100);
}
get isComplete() {
return this.status === 'complete';
}
get hasError() {
return this.status === 'error';
}
get isUploading() {
return this.status === 'uploading';
}
get uploadSpeed() {
if (!this.startTime || !this.isUploading) return 0;
const elapsed = (Date.now() - this.startTime) / 1000; // seconds
return elapsed > 0 ? this.uploadedBytes / elapsed : 0; // bytes per second
}
get remainingTime() {
const speed = this.uploadSpeed;
if (speed === 0) return 0;
const remaining = this.totalBytes - this.uploadedBytes;
return remaining / speed; // seconds
}
updateProgress(loaded, total) {
this.uploadedBytes = loaded;
this.totalBytes = total;
}
setStatus(status, error = null) {
this.status = status;
this.error = error;
if (status === 'uploading' && !this.startTime) {
this.startTime = Date.now();
}
if (status === 'complete' || status === 'error') {
this.endTime = Date.now();
}
}
abort() {
if (this.xhr) {
this.xhr.abort();
this.setStatus('error', 'Upload cancelled');
}
}
toObject() {
return {
fileId: this.fileId,
fileName: this.file.name,
fileSize: this.totalBytes,
uploadedBytes: this.uploadedBytes,
percentage: this.percentage,
status: this.status,
error: this.error,
uploadSpeed: this.uploadSpeed,
remainingTime: this.remainingTime
};
}
}
/**
* File Validator - Client-side validation
*/
export class FileValidator {
constructor(options = {}) {
this.maxFileSize = options.maxFileSize || 10 * 1024 * 1024; // 10MB default
this.allowedMimeTypes = options.allowedMimeTypes || [];
this.allowedExtensions = options.allowedExtensions || [];
this.minFileSize = options.minFileSize || 1; // 1 byte minimum
}
validate(file) {
const errors = [];
// File size validation
if (file.size > this.maxFileSize) {
errors.push(`File size (${this.formatBytes(file.size)}) exceeds maximum allowed size (${this.formatBytes(this.maxFileSize)})`);
}
if (file.size < this.minFileSize) {
errors.push(`File size is too small (minimum: ${this.formatBytes(this.minFileSize)})`);
}
// MIME type validation
if (this.allowedMimeTypes.length > 0 && !this.allowedMimeTypes.includes(file.type)) {
errors.push(`File type "${file.type}" is not allowed. Allowed types: ${this.allowedMimeTypes.join(', ')}`);
}
// Extension validation
if (this.allowedExtensions.length > 0) {
const extension = file.name.split('.').pop().toLowerCase();
if (!this.allowedExtensions.includes(extension)) {
errors.push(`File extension ".${extension}" is not allowed. Allowed extensions: ${this.allowedExtensions.join(', ')}`);
}
}
// File name validation
if (file.name.length > 255) {
errors.push('File name is too long (maximum 255 characters)');
}
return errors;
}
isValid(file) {
return this.validate(file).length === 0;
}
formatBytes(bytes) {
if (bytes === 0) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return Math.round((bytes / Math.pow(k, i)) * 100) / 100 + ' ' + sizes[i];
}
}
/**
* Drag & Drop Zone Manager
*/
export class DragDropZone {
constructor(element, callbacks = {}) {
this.element = element;
this.onFilesDropped = callbacks.onFilesDropped || (() => {});
this.onDragEnter = callbacks.onDragEnter || (() => {});
this.onDragLeave = callbacks.onDragLeave || (() => {});
this.dragCounter = 0; // Track nested drag events
this.isActive = false;
this.bindEvents();
}
bindEvents() {
// Prevent default browser behavior for drag events
['dragenter', 'dragover', 'dragleave', 'drop'].forEach(eventName => {
this.element.addEventListener(eventName, (e) => {
e.preventDefault();
e.stopPropagation();
});
});
// Handle drag enter
this.element.addEventListener('dragenter', (e) => {
this.dragCounter++;
if (this.dragCounter === 1) {
this.isActive = true;
this.element.classList.add('drag-over');
this.onDragEnter(e);
}
});
// Handle drag leave
this.element.addEventListener('dragleave', (e) => {
this.dragCounter--;
if (this.dragCounter === 0) {
this.isActive = false;
this.element.classList.remove('drag-over');
this.onDragLeave(e);
}
});
// Handle drag over
this.element.addEventListener('dragover', (e) => {
// Required to allow drop
});
// Handle drop
this.element.addEventListener('drop', (e) => {
this.dragCounter = 0;
this.isActive = false;
this.element.classList.remove('drag-over');
const files = Array.from(e.dataTransfer?.files || []);
if (files.length > 0) {
this.onFilesDropped(files);
}
});
}
destroy() {
this.element.classList.remove('drag-over');
// Event listeners are automatically removed when element is removed
}
}
/**
* Main ComponentFileUploader Class
*/
export class ComponentFileUploader {
constructor(componentElement, options = {}) {
this.componentElement = componentElement;
this.componentId = componentElement.dataset.liveId;
// Options
this.maxFileSize = options.maxFileSize || 10 * 1024 * 1024; // 10MB
this.allowedMimeTypes = options.allowedMimeTypes || [];
this.allowedExtensions = options.allowedExtensions || [];
this.maxFiles = options.maxFiles || 10;
this.autoUpload = options.autoUpload !== false; // default: true
this.multiple = options.multiple !== false; // default: true
this.endpoint = options.endpoint || `/live-component/${this.componentId}/upload`;
// Callbacks
this.onFileAdded = options.onFileAdded || (() => {});
this.onFileRemoved = options.onFileRemoved || (() => {});
this.onUploadStart = options.onUploadStart || (() => {});
this.onUploadProgress = options.onUploadProgress || (() => {});
this.onUploadComplete = options.onUploadComplete || (() => {});
this.onUploadError = options.onUploadError || (() => {});
this.onAllUploadsComplete = options.onAllUploadsComplete || (() => {});
// State
this.files = new Map(); // Map<fileId, UploadProgress>
this.uploadQueue = [];
this.activeUploads = 0;
this.maxConcurrentUploads = options.maxConcurrentUploads || 2;
// Validator
this.validator = new FileValidator({
maxFileSize: this.maxFileSize,
allowedMimeTypes: this.allowedMimeTypes,
allowedExtensions: this.allowedExtensions
});
// UI Elements (optional)
this.dropZoneElement = options.dropZone;
this.fileInputElement = options.fileInput;
this.initialize();
}
initialize() {
// Setup drag & drop if dropZone provided
if (this.dropZoneElement) {
this.dragDropZone = new DragDropZone(this.dropZoneElement, {
onFilesDropped: (files) => this.addFiles(files),
onDragEnter: () => this.dropZoneElement.classList.add('drag-active'),
onDragLeave: () => this.dropZoneElement.classList.remove('drag-active')
});
}
// Setup file input if provided
if (this.fileInputElement) {
this.fileInputElement.addEventListener('change', (e) => {
const files = Array.from(e.target.files || []);
this.addFiles(files);
e.target.value = ''; // Reset input
});
}
}
/**
* Add files to upload queue
*/
addFiles(files) {
const filesToAdd = Array.isArray(files) ? files : [files];
// Check max files limit
if (this.files.size + filesToAdd.length > this.maxFiles) {
const error = `Cannot add files. Maximum ${this.maxFiles} files allowed.`;
this.onUploadError({ error, fileCount: filesToAdd.length });
return;
}
for (const file of filesToAdd) {
// Generate unique file ID
const fileId = this.generateFileId(file);
// Validate file
const validationErrors = this.validator.validate(file);
const progress = new UploadProgress(file, fileId);
if (validationErrors.length > 0) {
progress.setStatus('error', validationErrors.join(', '));
this.files.set(fileId, progress);
this.onUploadError({
fileId,
file,
errors: validationErrors
});
continue;
}
// Add to files map
this.files.set(fileId, progress);
this.uploadQueue.push(fileId);
// Callback
this.onFileAdded({
fileId,
file,
progress: progress.toObject()
});
}
// Auto-upload if enabled
if (this.autoUpload) {
this.processQueue();
}
}
/**
* Remove file from queue
*/
removeFile(fileId) {
const progress = this.files.get(fileId);
if (!progress) return;
// Abort if uploading
if (progress.isUploading) {
progress.abort();
}
// Remove from queue
const queueIndex = this.uploadQueue.indexOf(fileId);
if (queueIndex !== -1) {
this.uploadQueue.splice(queueIndex, 1);
}
// Remove from files map
this.files.delete(fileId);
// Callback
this.onFileRemoved({ fileId, file: progress.file });
}
/**
* Start uploading all queued files
*/
uploadAll() {
this.processQueue();
}
/**
* Process upload queue
*/
async processQueue() {
while (this.uploadQueue.length > 0 && this.activeUploads < this.maxConcurrentUploads) {
const fileId = this.uploadQueue.shift();
const progress = this.files.get(fileId);
if (!progress || progress.status !== 'pending') continue;
this.activeUploads++;
this.uploadFile(fileId).finally(() => {
this.activeUploads--;
this.processQueue(); // Process next file
// Check if all uploads are complete
if (this.activeUploads === 0 && this.uploadQueue.length === 0) {
this.onAllUploadsComplete({
totalFiles: this.files.size,
successCount: Array.from(this.files.values()).filter(p => p.isComplete).length,
errorCount: Array.from(this.files.values()).filter(p => p.hasError).length
});
}
});
}
}
/**
* Upload a single file
*/
async uploadFile(fileId) {
const progress = this.files.get(fileId);
if (!progress) return;
try {
// Get current component state
const componentState = this.getComponentState();
// Get CSRF tokens
const csrfTokens = await this.getCsrfTokens();
// Create FormData
const formData = new FormData();
formData.append('file', progress.file);
formData.append('state', JSON.stringify(componentState));
formData.append('params', JSON.stringify({ fileId }));
// Create XHR request
const xhr = new XMLHttpRequest();
progress.xhr = xhr;
// Setup progress tracking
xhr.upload.addEventListener('progress', (e) => {
if (e.lengthComputable) {
progress.updateProgress(e.loaded, e.total);
this.onUploadProgress({
fileId,
...progress.toObject()
});
}
});
// Setup completion handler
const uploadPromise = new Promise((resolve, reject) => {
xhr.addEventListener('load', () => {
if (xhr.status >= 200 && xhr.status < 300) {
try {
const response = JSON.parse(xhr.responseText);
if (response.success) {
progress.setStatus('complete');
// Update component state if provided
if (response.state) {
this.updateComponentState(response.state);
}
// Update component HTML if provided
if (response.html) {
this.updateComponentHtml(response.html);
}
this.onUploadComplete({
fileId,
file: progress.file,
response
});
resolve(response);
} else {
throw new Error(response.error || 'Upload failed');
}
} catch (e) {
reject(e);
}
} else {
reject(new Error(`Upload failed with status ${xhr.status}`));
}
});
xhr.addEventListener('error', () => {
reject(new Error('Network error during upload'));
});
xhr.addEventListener('abort', () => {
reject(new Error('Upload cancelled'));
});
});
// Set status to uploading
progress.setStatus('uploading');
this.onUploadStart({ fileId, file: progress.file });
// Open and send request
xhr.open('POST', this.endpoint);
// Set CSRF headers
xhr.setRequestHeader('X-CSRF-Form-ID', csrfTokens.form_id);
xhr.setRequestHeader('X-CSRF-Token', csrfTokens.token);
xhr.setRequestHeader('Accept', 'application/json');
xhr.setRequestHeader('User-Agent', navigator.userAgent);
xhr.send(formData);
await uploadPromise;
} catch (error) {
progress.setStatus('error', error.message);
this.onUploadError({
fileId,
file: progress.file,
error: error.message
});
}
}
/**
* Cancel all uploads
*/
cancelAll() {
this.uploadQueue = [];
this.files.forEach(progress => {
if (progress.isUploading) {
progress.abort();
}
});
}
/**
* Clear all files (completed and pending)
*/
clearAll() {
this.cancelAll();
this.files.clear();
}
/**
* Get overall upload progress
*/
getOverallProgress() {
if (this.files.size === 0) return 100;
const totalBytes = Array.from(this.files.values()).reduce((sum, p) => sum + p.totalBytes, 0);
const uploadedBytes = Array.from(this.files.values()).reduce((sum, p) => sum + p.uploadedBytes, 0);
return totalBytes > 0 ? Math.round((uploadedBytes / totalBytes) * 100) : 0;
}
/**
* Get upload statistics
*/
getStats() {
const files = Array.from(this.files.values());
return {
total: files.length,
pending: files.filter(p => p.status === 'pending').length,
uploading: files.filter(p => p.status === 'uploading').length,
complete: files.filter(p => p.status === 'complete').length,
error: files.filter(p => p.status === 'error').length,
overallProgress: this.getOverallProgress()
};
}
/**
* Helper: Generate unique file ID
*/
generateFileId(file) {
return `${Date.now()}-${Math.random().toString(36).substr(2, 9)}-${file.name}`;
}
/**
* Helper: Get CSRF tokens
*/
async getCsrfTokens() {
try {
const response = await fetch(`/api/csrf/token?action=${encodeURIComponent(this.endpoint)}&method=post`, {
headers: {
'Accept': 'application/json',
'User-Agent': navigator.userAgent
}
});
if (!response.ok) {
throw new Error(`CSRF token request failed: ${response.status}`);
}
return await response.json();
} catch (error) {
console.error('Failed to get CSRF tokens:', error);
throw error;
}
}
/**
* Helper: Get component state from DOM
*/
getComponentState() {
const stateElement = this.componentElement.querySelector('[data-live-state]');
if (stateElement) {
try {
return JSON.parse(stateElement.textContent || '{}');
} catch (e) {
console.warn('Failed to parse component state:', e);
}
}
return {};
}
/**
* Helper: Update component state in DOM
*/
updateComponentState(newState) {
const stateElement = this.componentElement.querySelector('[data-live-state]');
if (stateElement) {
stateElement.textContent = JSON.stringify(newState);
}
}
/**
* Helper: Update component HTML
*/
updateComponentHtml(html) {
// Find the component content container (usually the component itself)
const contentElement = this.componentElement.querySelector('[data-live-content]') || this.componentElement;
if (contentElement) {
contentElement.innerHTML = html;
}
}
/**
* Cleanup
*/
destroy() {
this.cancelAll();
this.clearAll();
if (this.dragDropZone) {
this.dragDropZone.destroy();
}
}
}
export default ComponentFileUploader;

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/**
* ComponentPlayground
*
* Interactive development tool for LiveComponents.
*
* Features:
* - Component browser with search and filtering
* - Live component preview with auto-refresh
* - JSON state editor with validation
* - Action tester with parameter support
* - Performance metrics visualization
* - Template code generator
*
* Usage:
* import { ComponentPlayground } from './modules/livecomponent/ComponentPlayground';
*
* const playground = new ComponentPlayground('#playground-container');
* playground.init();
*/
export class ComponentPlayground {
/**
* @param {string} containerSelector - Container element selector
*/
constructor(containerSelector) {
this.container = document.querySelector(containerSelector);
if (!this.container) {
throw new Error(`Container not found: ${containerSelector}`);
}
// State
this.components = [];
this.selectedComponent = null;
this.componentMetadata = null;
this.currentState = {};
this.previewInstanceId = `playground-${Date.now()}`;
// UI Elements (will be created in init())
this.componentList = null;
this.componentSearch = null;
this.stateEditor = null;
this.previewContainer = null;
this.actionTester = null;
this.metricsDisplay = null;
// Performance tracking
this.metrics = {
renderTime: 0,
stateSize: 0,
actionExecutions: 0
};
}
/**
* Initialize playground
*/
async init() {
this.buildUI();
await this.loadComponents();
this.attachEventListeners();
}
/**
* Build playground UI structure
*/
buildUI() {
this.container.innerHTML = `
<div class="playground">
<!-- Header -->
<header class="playground__header">
<h1 class="playground__title">LiveComponent Playground</h1>
<p class="playground__subtitle">Interactive development tool for testing LiveComponents</p>
</header>
<!-- Main Layout -->
<div class="playground__layout">
<!-- Sidebar: Component Selector -->
<aside class="playground__sidebar">
<div class="playground__search">
<input
type="text"
id="component-search"
class="playground__search-input"
placeholder="Search components..."
autocomplete="off"
/>
</div>
<div id="component-list" class="playground__component-list">
<div class="playground__loading">Loading components...</div>
</div>
</aside>
<!-- Main Content -->
<main class="playground__main">
<!-- State Editor -->
<section class="playground__section">
<h2 class="playground__section-title">Component State</h2>
<div class="playground__state-editor">
<textarea
id="state-editor"
class="playground__textarea"
placeholder='{\n "property": "value"\n}'
rows="10"
></textarea>
<div class="playground__editor-actions">
<button id="apply-state" class="playground__button playground__button--primary">
Apply State
</button>
<button id="reset-state" class="playground__button">
Reset
</button>
<button id="format-json" class="playground__button">
Format JSON
</button>
</div>
<div id="state-validation" class="playground__validation"></div>
</div>
</section>
<!-- Live Preview -->
<section class="playground__section">
<h2 class="playground__section-title">Live Preview</h2>
<div id="preview-container" class="playground__preview">
<div class="playground__empty">
Select a component to preview
</div>
</div>
<div id="metrics-display" class="playground__metrics"></div>
</section>
<!-- Action Tester -->
<section class="playground__section">
<h2 class="playground__section-title">Actions</h2>
<div id="action-tester" class="playground__actions">
<div class="playground__empty">
Select a component to test actions
</div>
</div>
</section>
<!-- Code Generator -->
<section class="playground__section">
<h2 class="playground__section-title">Template Code</h2>
<div class="playground__code-generator">
<pre id="generated-code" class="playground__code"><code>Select a component to generate code</code></pre>
<button id="copy-code" class="playground__button">
Copy to Clipboard
</button>
</div>
</section>
</main>
</div>
</div>
`;
// Cache UI elements
this.componentList = this.container.querySelector('#component-list');
this.componentSearch = this.container.querySelector('#component-search');
this.stateEditor = this.container.querySelector('#state-editor');
this.previewContainer = this.container.querySelector('#preview-container');
this.actionTester = this.container.querySelector('#action-tester');
this.metricsDisplay = this.container.querySelector('#metrics-display');
}
/**
* Load all available components
*/
async loadComponents() {
try {
const response = await fetch('/playground/api/components');
const data = await response.json();
this.components = data.components || [];
this.renderComponentList(this.components);
} catch (error) {
this.componentList.innerHTML = `
<div class="playground__error">
Failed to load components: ${error.message}
</div>
`;
}
}
/**
* Render component list
*/
renderComponentList(components) {
if (components.length === 0) {
this.componentList.innerHTML = '<div class="playground__empty">No components found</div>';
return;
}
this.componentList.innerHTML = components.map(component => `
<div class="playground__component-item" data-component="${component.name}">
<div class="playground__component-name">${component.name}</div>
<div class="playground__component-meta">
<span class="playground__badge">${component.properties} props</span>
<span class="playground__badge">${component.actions} actions</span>
${component.has_cache ? '<span class="playground__badge playground__badge--cache">cached</span>' : ''}
</div>
</div>
`).join('');
}
/**
* Attach event listeners
*/
attachEventListeners() {
// Component selection
this.componentList.addEventListener('click', (e) => {
const item = e.target.closest('.playground__component-item');
if (item) {
this.selectComponent(item.dataset.component);
}
});
// Component search
this.componentSearch.addEventListener('input', (e) => {
this.filterComponents(e.target.value);
});
// State editor actions
this.container.querySelector('#apply-state').addEventListener('click', () => {
this.applyState();
});
this.container.querySelector('#reset-state').addEventListener('click', () => {
this.resetState();
});
this.container.querySelector('#format-json').addEventListener('click', () => {
this.formatJSON();
});
// Copy code
this.container.querySelector('#copy-code').addEventListener('click', () => {
this.copyCode();
});
}
/**
* Filter components by search term
*/
filterComponents(searchTerm) {
const term = searchTerm.toLowerCase().trim();
if (!term) {
this.renderComponentList(this.components);
return;
}
const filtered = this.components.filter(component =>
component.name.toLowerCase().includes(term) ||
component.class.toLowerCase().includes(term)
);
this.renderComponentList(filtered);
}
/**
* Select component
*/
async selectComponent(componentName) {
// Update active state
this.componentList.querySelectorAll('.playground__component-item').forEach(item => {
item.classList.remove('playground__component-item--active');
});
const selectedItem = this.componentList.querySelector(`[data-component="${componentName}"]`);
if (selectedItem) {
selectedItem.classList.add('playground__component-item--active');
}
this.selectedComponent = componentName;
// Load metadata
await this.loadComponentMetadata(componentName);
// Reset state
this.resetState();
// Render actions
this.renderActions();
// Generate code
this.updateGeneratedCode();
}
/**
* Load component metadata
*/
async loadComponentMetadata(componentName) {
try {
const response = await fetch(`/playground/api/component/${componentName}`);
const data = await response.json();
if (data.success) {
this.componentMetadata = data.data;
} else {
console.error('Failed to load metadata:', data.error);
}
} catch (error) {
console.error('Error loading metadata:', error);
}
}
/**
* Apply state from editor
*/
async applyState() {
const jsonText = this.stateEditor.value.trim();
const validationEl = this.container.querySelector('#state-validation');
// Validate JSON
try {
const state = jsonText ? JSON.parse(jsonText) : {};
this.currentState = state;
validationEl.innerHTML = '<span class="playground__success">✓ Valid JSON</span>';
// Preview component with new state
await this.previewComponent();
} catch (error) {
validationEl.innerHTML = `<span class="playground__error">✗ Invalid JSON: ${error.message}</span>`;
}
}
/**
* Reset state to default
*/
resetState() {
this.currentState = {};
this.stateEditor.value = '{}';
this.container.querySelector('#state-validation').innerHTML = '';
if (this.selectedComponent) {
this.previewComponent();
}
}
/**
* Format JSON in editor
*/
formatJSON() {
try {
const json = JSON.parse(this.stateEditor.value || '{}');
this.stateEditor.value = JSON.stringify(json, null, 2);
this.container.querySelector('#state-validation').innerHTML = '<span class="playground__success">✓ Formatted</span>';
} catch (error) {
this.container.querySelector('#state-validation').innerHTML = `<span class="playground__error">✗ Invalid JSON</span>`;
}
}
/**
* Preview component with current state
*/
async previewComponent() {
if (!this.selectedComponent) return;
this.previewContainer.innerHTML = '<div class="playground__loading">Loading preview...</div>';
try {
const startTime = performance.now();
const response = await fetch('/playground/api/preview', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
component_name: this.selectedComponent,
state: this.currentState,
instance_id: this.previewInstanceId
})
});
const data = await response.json();
const endTime = performance.now();
if (data.success) {
this.previewContainer.innerHTML = data.html;
// Update metrics
this.metrics.renderTime = data.render_time_ms;
this.metrics.stateSize = JSON.stringify(data.state).length;
this.updateMetrics();
// Initialize LiveComponent in preview
if (window.LiveComponent) {
window.LiveComponent.initComponent(this.previewContainer.firstElementChild);
}
} else {
this.previewContainer.innerHTML = `
<div class="playground__error">
Preview failed: ${data.error}
</div>
`;
}
} catch (error) {
this.previewContainer.innerHTML = `
<div class="playground__error">
Error: ${error.message}
</div>
`;
}
}
/**
* Render actions for selected component
*/
renderActions() {
if (!this.componentMetadata || !this.componentMetadata.actions) {
this.actionTester.innerHTML = '<div class="playground__empty">No actions available</div>';
return;
}
const actions = this.componentMetadata.actions.filter(action =>
!['onMount', 'onUpdated', 'onDestroy'].includes(action.name)
);
if (actions.length === 0) {
this.actionTester.innerHTML = '<div class="playground__empty">No actions available</div>';
return;
}
this.actionTester.innerHTML = actions.map(action => `
<div class="playground__action">
<button
class="playground__button playground__button--action"
data-action="${action.name}"
>
${action.name}()
</button>
${action.parameters.length > 0 ? `
<div class="playground__action-params">
${action.parameters.map(param => `
<label>
${param.name} (${param.type}):
<input type="text" data-param="${param.name}" placeholder="${param.type}" />
</label>
`).join('')}
</div>
` : ''}
</div>
`).join('');
// Attach action button listeners
this.actionTester.querySelectorAll('[data-action]').forEach(button => {
button.addEventListener('click', () => {
this.executeAction(button.dataset.action, button.closest('.playground__action'));
});
});
}
/**
* Execute component action
*/
async executeAction(actionName, actionElement) {
// Get parameters
const parameters = {};
if (actionElement) {
actionElement.querySelectorAll('[data-param]').forEach(input => {
const paramName = input.dataset.param;
let value = input.value;
// Try to parse as number or boolean
if (value === 'true') value = true;
else if (value === 'false') value = false;
else if (!isNaN(value) && value !== '') value = Number(value);
parameters[paramName] = value;
});
}
try {
const response = await fetch('/playground/api/action', {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
component_id: `${this.selectedComponent}:${this.previewInstanceId}`,
action_name: actionName,
parameters: parameters,
current_state: this.currentState
})
});
const data = await response.json();
if (data.success) {
// Update current state
this.currentState = data.new_state;
this.stateEditor.value = JSON.stringify(this.currentState, null, 2);
// Update preview
this.previewContainer.innerHTML = data.html;
// Update metrics
this.metrics.actionExecutions++;
this.updateMetrics();
// Re-initialize LiveComponent
if (window.LiveComponent) {
window.LiveComponent.initComponent(this.previewContainer.firstElementChild);
}
} else {
alert(`Action failed: ${data.error}`);
}
} catch (error) {
alert(`Error executing action: ${error.message}`);
}
}
/**
* Update metrics display
*/
updateMetrics() {
this.metricsDisplay.innerHTML = `
<div class="playground__metrics-grid">
<div class="playground__metric">
<span class="playground__metric-label">Render Time</span>
<span class="playground__metric-value">${this.metrics.renderTime.toFixed(2)}ms</span>
</div>
<div class="playground__metric">
<span class="playground__metric-label">State Size</span>
<span class="playground__metric-value">${this.metrics.stateSize} bytes</span>
</div>
<div class="playground__metric">
<span class="playground__metric-label">Actions Executed</span>
<span class="playground__metric-value">${this.metrics.actionExecutions}</span>
</div>
</div>
`;
}
/**
* Update generated template code
*/
updateGeneratedCode() {
if (!this.selectedComponent) return;
const code = `<!-- Use in your template -->\n{{{ ${this.selectedComponent} }}}`;
this.container.querySelector('#generated-code code').textContent = code;
}
/**
* Copy generated code to clipboard
*/
async copyCode() {
const code = this.container.querySelector('#generated-code code').textContent;
try {
await navigator.clipboard.writeText(code);
const button = this.container.querySelector('#copy-code');
const originalText = button.textContent;
button.textContent = '✓ Copied!';
setTimeout(() => {
button.textContent = originalText;
}, 2000);
} catch (error) {
alert('Failed to copy code to clipboard');
}
}
}
export default ComponentPlayground;

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resources/js/modules/livecomponent/DomPatcher.js Normal file
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/**
* Lightweight DOM Patcher for LiveComponent Fragments
*
* Efficiently patches specific DOM fragments without full re-render.
* Optimized for LiveComponent use case with minimal overhead.
*
* Features:
* - Smart element matching by tag and data-lc-fragment attribute
* - Attribute diffing and patching
* - Text content updates
* - Child node reconciliation
* - Preserves focus and scroll position where possible
*
* Philosophy:
* - Keep it simple and focused
* - No external dependencies
* - Framework-compliant modern JavaScript
*/
export class DomPatcher {
/**
* Patch a specific fragment within a container
*
* @param {HTMLElement} container - Container element to search in
* @param {string} fragmentName - Fragment name (data-lc-fragment value)
* @param {string} newHtml - New HTML for the fragment
* @returns {boolean} - True if fragment was patched, false if not found
*/
patchFragment(container, fragmentName, newHtml) {
// Find existing fragment element
const existingElement = container.querySelector(`[data-lc-fragment="${fragmentName}"]`);
if (!existingElement) {
console.warn(`[DomPatcher] Fragment not found: ${fragmentName}`);
return false;
}
// Parse new HTML into element
const temp = document.createElement('div');
temp.innerHTML = newHtml;
const newElement = temp.firstElementChild;
if (!newElement) {
console.warn(`[DomPatcher] Invalid HTML for fragment: ${fragmentName}`);
return false;
}
// Verify fragment name matches
if (newElement.getAttribute('data-lc-fragment') !== fragmentName) {
console.warn(`[DomPatcher] Fragment name mismatch: expected ${fragmentName}, got ${newElement.getAttribute('data-lc-fragment')}`);
return false;
}
// Patch the element in place
this.patchElement(existingElement, newElement);
return true;
}
/**
* Patch multiple fragments at once
*
* @param {HTMLElement} container - Container element
* @param {Object.<string, string>} fragments - Map of fragment names to HTML
* @returns {Object.<string, boolean>} - Map of fragment names to success status
*/
patchFragments(container, fragments) {
const results = {};
for (const [fragmentName, html] of Object.entries(fragments)) {
results[fragmentName] = this.patchFragment(container, fragmentName, html);
}
return results;
}
/**
* Patch an element with new content
*
* Core patching logic that efficiently updates only what changed.
*
* @param {HTMLElement} oldElement - Existing element to patch
* @param {HTMLElement} newElement - New element with updated content
*/
patchElement(oldElement, newElement) {
// 1. Patch attributes
this.patchAttributes(oldElement, newElement);
// 2. Patch child nodes
this.patchChildren(oldElement, newElement);
}
/**
* Patch element attributes
*
* Only updates attributes that actually changed.
*
* @param {HTMLElement} oldElement - Existing element
* @param {HTMLElement} newElement - New element
*/
patchAttributes(oldElement, newElement) {
// Get all attributes from both elements
const oldAttrs = new Map();
const newAttrs = new Map();
for (const attr of oldElement.attributes) {
oldAttrs.set(attr.name, attr.value);
}
for (const attr of newElement.attributes) {
newAttrs.set(attr.name, attr.value);
}
// Remove attributes that no longer exist
for (const [name, value] of oldAttrs) {
if (!newAttrs.has(name)) {
oldElement.removeAttribute(name);
}
}
// Add or update attributes
for (const [name, value] of newAttrs) {
if (oldAttrs.get(name) !== value) {
oldElement.setAttribute(name, value);
}
}
}
/**
* Patch child nodes
*
* Reconciles child nodes between old and new elements.
* Uses simple key-based matching for efficiency.
*
* @param {HTMLElement} oldElement - Existing element
* @param {HTMLElement} newElement - New element
*/
patchChildren(oldElement, newElement) {
const oldChildren = Array.from(oldElement.childNodes);
const newChildren = Array.from(newElement.childNodes);
const maxLength = Math.max(oldChildren.length, newChildren.length);
for (let i = 0; i < maxLength; i++) {
const oldChild = oldChildren[i];
const newChild = newChildren[i];
if (!oldChild && newChild) {
// New child added - append it
oldElement.appendChild(newChild.cloneNode(true));
} else if (oldChild && !newChild) {
// Child removed - remove it
oldElement.removeChild(oldChild);
} else if (oldChild && newChild) {
// Both exist - patch or replace
if (this.shouldPatch(oldChild, newChild)) {
if (oldChild.nodeType === Node.ELEMENT_NODE) {
this.patchElement(oldChild, newChild);
} else if (oldChild.nodeType === Node.TEXT_NODE) {
if (oldChild.nodeValue !== newChild.nodeValue) {
oldChild.nodeValue = newChild.nodeValue;
}
}
} else {
// Different node types or tags - replace
oldElement.replaceChild(newChild.cloneNode(true), oldChild);
}
}
}
}
/**
* Determine if two nodes should be patched or replaced
*
* Nodes should be patched if they are compatible (same type and tag).
*
* @param {Node} oldNode - Existing node
* @param {Node} newNode - New node
* @returns {boolean} - True if nodes should be patched
*/
shouldPatch(oldNode, newNode) {
// Different node types - replace
if (oldNode.nodeType !== newNode.nodeType) {
return false;
}
// Text nodes can always be patched
if (oldNode.nodeType === Node.TEXT_NODE) {
return true;
}
// Element nodes - check if same tag
if (oldNode.nodeType === Node.ELEMENT_NODE) {
if (oldNode.tagName !== newNode.tagName) {
return false;
}
// Check for special keys that indicate identity
const oldKey = oldNode.getAttribute('data-lc-key') || oldNode.getAttribute('id');
const newKey = newNode.getAttribute('data-lc-key') || newNode.getAttribute('id');
// If both have keys, they must match
if (oldKey && newKey) {
return oldKey === newKey;
}
// Otherwise, assume they match (same tag is enough)
return true;
}
// Other node types - replace
return false;
}
/**
* Preserve focus state before patching
*
* Returns a function to restore focus after patching.
*
* @param {HTMLElement} container - Container being patched
* @returns {Function} - Restore function
*/
preserveFocus(container) {
const activeElement = document.activeElement;
// Check if focused element is within container
if (!activeElement || !container.contains(activeElement)) {
return () => {}; // No-op restore
}
// Get selector for focused element
const selector = this.getElementSelector(activeElement);
const selectionStart = activeElement.selectionStart;
const selectionEnd = activeElement.selectionEnd;
// Return restore function
return () => {
try {
if (selector) {
const element = container.querySelector(selector);
if (element && element.focus) {
element.focus();
// Restore selection for input/textarea
if (element.setSelectionRange &&
typeof selectionStart === 'number' &&
typeof selectionEnd === 'number') {
element.setSelectionRange(selectionStart, selectionEnd);
}
}
}
} catch (e) {
// Focus restoration failed - not critical
console.debug('[DomPatcher] Could not restore focus:', e);
}
};
}
/**
* Get a selector for an element
*
* Tries to create a unique selector using ID, name, or data attributes.
*
* @param {HTMLElement} element - Element to get selector for
* @returns {string|null} - CSS selector or null
*/
getElementSelector(element) {
if (element.id) {
return `#${element.id}`;
}
if (element.name) {
return `[name="${element.name}"]`;
}
const lcKey = element.getAttribute('data-lc-key');
if (lcKey) {
return `[data-lc-key="${lcKey}"]`;
}
// Fallback - not guaranteed to be unique
return element.tagName.toLowerCase();
}
}
// Create singleton instance
export const domPatcher = new DomPatcher();
export default domPatcher;

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resources/js/modules/livecomponent/FileUploadWidget.js Normal file
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/**
* FileUploadWidget - Pre-built UI Component for File Uploads in LiveComponents
*
* Provides a complete upload interface with:
* - Drag & Drop zone
* - File list with thumbnails
* - Progress bars
* - File validation feedback
* - Remove/cancel capabilities
*
* @package Framework\LiveComponents
*/
import { ComponentFileUploader } from './ComponentFileUploader.js';
/**
* FileUploadWidget - Ready-to-use Upload UI
*/
export class FileUploadWidget {
constructor(containerElement, options = {}) {
this.container = containerElement;
this.componentElement = containerElement.closest('[data-live-id]');
if (!this.componentElement) {
throw new Error('FileUploadWidget must be used inside a LiveComponent');
}
// Widget options
this.options = {
maxFileSize: options.maxFileSize || 10 * 1024 * 1024,
allowedMimeTypes: options.allowedMimeTypes || [],
allowedExtensions: options.allowedExtensions || [],
maxFiles: options.maxFiles || 10,
showPreviews: options.showPreviews !== false,
showProgress: options.showProgress !== false,
showFileList: options.showFileList !== false,
autoUpload: options.autoUpload !== false,
multiple: options.multiple !== false,
dropZoneText: options.dropZoneText || 'Drag & drop files here or click to browse',
browseButtonText: options.browseButtonText || 'Browse Files',
uploadButtonText: options.uploadButtonText || 'Upload All',
...options
};
this.files = new Map(); // Map<fileId, FileUIElement>
this.buildUI();
this.initializeUploader();
}
/**
* Build the widget UI
*/
buildUI() {
// Create widget structure
this.container.innerHTML = `
<div class="file-upload-widget">
<!-- Drop Zone -->
<div class="file-upload-dropzone" data-dropzone>
<div class="dropzone-content">
<svg class="dropzone-icon" width="48" height="48" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path>
<polyline points="17 8 12 3 7 8"></polyline>
<line x1="12" y1="3" x2="12" y2="15"></line>
</svg>
<p class="dropzone-text">${this.options.dropZoneText}</p>
<button type="button" class="btn btn-primary dropzone-button" data-browse-button>
${this.options.browseButtonText}
</button>
<input
type="file"
class="dropzone-input"
data-file-input
${this.options.multiple ? 'multiple' : ''}
${this.options.allowedMimeTypes.length > 0 ? `accept="${this.options.allowedMimeTypes.join(',')}"` : ''}
style="display: none;"
/>
</div>
</div>
<!-- File List -->
${this.options.showFileList ? `
<div class="file-upload-list" data-file-list style="display: none;">
<div class="file-list-header">
<h4>Files (0)</h4>
<div class="file-list-actions">
${!this.options.autoUpload ? `<button type="button" class="btn btn-primary btn-sm" data-upload-all>${this.options.uploadButtonText}</button>` : ''}
<button type="button" class="btn btn-secondary btn-sm" data-clear-all>Clear All</button>
</div>
</div>
<div class="file-list-items" data-file-items></div>
</div>
` : ''}
<!-- Overall Progress (shown when uploading) -->
${this.options.showProgress ? `
<div class="file-upload-progress" data-overall-progress style="display: none;">
<div class="progress-info">
<span class="progress-label">Uploading files...</span>
<span class="progress-percentage" data-progress-text>0%</span>
</div>
<div class="progress-bar">
<div class="progress-fill" data-progress-fill style="width: 0%"></div>
</div>
</div>
` : ''}
</div>
`;
// Cache DOM elements
this.dropZone = this.container.querySelector('[data-dropzone]');
this.fileInput = this.container.querySelector('[data-file-input]');
this.browseButton = this.container.querySelector('[data-browse-button]');
this.fileList = this.container.querySelector('[data-file-list]');
this.fileItems = this.container.querySelector('[data-file-items]');
this.overallProgress = this.container.querySelector('[data-overall-progress]');
this.progressFill = this.container.querySelector('[data-progress-fill]');
this.progressText = this.container.querySelector('[data-progress-text]');
this.uploadAllButton = this.container.querySelector('[data-upload-all]');
this.clearAllButton = this.container.querySelector('[data-clear-all]');
// Bind UI events
this.browseButton?.addEventListener('click', () => this.fileInput.click());
this.uploadAllButton?.addEventListener('click', () => this.uploader.uploadAll());
this.clearAllButton?.addEventListener('click', () => this.clearAll());
}
/**
* Initialize the uploader
*/
initializeUploader() {
this.uploader = new ComponentFileUploader(this.componentElement, {
...this.options,
dropZone: this.dropZone,
fileInput: this.fileInput,
onFileAdded: (data) => this.handleFileAdded(data),
onFileRemoved: (data) => this.handleFileRemoved(data),
onUploadStart: (data) => this.handleUploadStart(data),
onUploadProgress: (data) => this.handleUploadProgress(data),
onUploadComplete: (data) => this.handleUploadComplete(data),
onUploadError: (data) => this.handleUploadError(data),
onAllUploadsComplete: (data) => this.handleAllUploadsComplete(data)
});
}
/**
* Handle file added
*/
handleFileAdded({ fileId, file, progress }) {
if (!this.options.showFileList) return;
// Show file list
if (this.fileList) {
this.fileList.style.display = 'block';
}
// Create file UI element
const fileElement = this.createFileElement(fileId, file, progress);
this.fileItems.appendChild(fileElement);
this.files.set(fileId, fileElement);
// Update file count
this.updateFileCount();
}
/**
* Handle file removed
*/
handleFileRemoved({ fileId }) {
const fileElement = this.files.get(fileId);
if (fileElement) {
fileElement.remove();
this.files.delete(fileId);
}
// Update file count
this.updateFileCount();
// Hide file list if empty
if (this.files.size === 0 && this.fileList) {
this.fileList.style.display = 'none';
}
}
/**
* Handle upload start
*/
handleUploadStart({ fileId }) {
this.updateFileStatus(fileId, 'uploading');
// Show overall progress
if (this.overallProgress) {
this.overallProgress.style.display = 'block';
}
}
/**
* Handle upload progress
*/
handleUploadProgress({ fileId, percentage, uploadedBytes, totalBytes, uploadSpeed, remainingTime }) {
// Update file progress bar
const fileElement = this.files.get(fileId);
if (fileElement) {
const progressBar = fileElement.querySelector('.file-progress-fill');
const progressText = fileElement.querySelector('.file-progress-text');
if (progressBar) {
progressBar.style.width = `${percentage}%`;
}
if (progressText) {
progressText.textContent = `${percentage}%`;
}
}
// Update overall progress
const stats = this.uploader.getStats();
if (this.progressFill) {
this.progressFill.style.width = `${stats.overallProgress}%`;
}
if (this.progressText) {
this.progressText.textContent = `${stats.overallProgress}%`;
}
}
/**
* Handle upload complete
*/
handleUploadComplete({ fileId, response }) {
this.updateFileStatus(fileId, 'complete');
}
/**
* Handle upload error
*/
handleUploadError({ fileId, error }) {
this.updateFileStatus(fileId, 'error', error);
}
/**
* Handle all uploads complete
*/
handleAllUploadsComplete({ totalFiles, successCount, errorCount }) {
// Hide overall progress after a delay
setTimeout(() => {
if (this.overallProgress) {
this.overallProgress.style.display = 'none';
}
}, 2000);
}
/**
* Create file UI element
*/
createFileElement(fileId, file, progress) {
const div = document.createElement('div');
div.className = 'file-item';
div.dataset.fileId = fileId;
const statusClass = progress.error ? 'error' : 'pending';
div.innerHTML = `
<div class="file-preview">
${this.options.showPreviews && file.type.startsWith('image/') ?
`<img class="file-thumbnail" src="${URL.createObjectURL(file)}" alt="${file.name}" />` :
this.getFileIconSvg(file.type)
}
</div>
<div class="file-info">
<div class="file-name" title="${file.name}">${this.truncateFileName(file.name, 40)}</div>
<div class="file-meta">
<span class="file-size">${this.formatBytes(file.size)}</span>
<span class="file-status" data-status="${statusClass}">${progress.error || 'Pending'}</span>
</div>
${this.options.showProgress ? `
<div class="file-progress" style="display: none;">
<div class="file-progress-bar">
<div class="file-progress-fill" style="width: 0%"></div>
</div>
<span class="file-progress-text">0%</span>
</div>
` : ''}
${progress.error ? `
<div class="file-error">${progress.error}</div>
` : ''}
</div>
<div class="file-actions">
<button type="button" class="btn-icon" data-remove-file title="Remove">
<svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<line x1="18" y1="6" x2="6" y2="18"></line>
<line x1="6" y1="6" x2="18" y2="18"></line>
</svg>
</button>
</div>
`;
// Bind remove button
const removeButton = div.querySelector('[data-remove-file]');
removeButton.addEventListener('click', () => this.uploader.removeFile(fileId));
return div;
}
/**
* Update file status in UI
*/
updateFileStatus(fileId, status, errorMessage = null) {
const fileElement = this.files.get(fileId);
if (!fileElement) return;
const statusElement = fileElement.querySelector('.file-status');
const progressElement = fileElement.querySelector('.file-progress');
const errorElement = fileElement.querySelector('.file-error');
// Update status text and class
if (statusElement) {
statusElement.dataset.status = status;
const statusText = {
pending: 'Pending',
uploading: 'Uploading...',
complete: 'Complete',
error: 'Error'
}[status] || status;
statusElement.textContent = statusText;
}
// Show/hide progress
if (progressElement) {
progressElement.style.display = status === 'uploading' ? 'flex' : 'none';
}
// Handle errors
if (status === 'error' && errorMessage) {
if (errorElement) {
errorElement.textContent = errorMessage;
errorElement.style.display = 'block';
}
}
// Add completion/error visual feedback
fileElement.classList.remove('file-uploading', 'file-complete', 'file-error');
if (status === 'uploading') fileElement.classList.add('file-uploading');
if (status === 'complete') fileElement.classList.add('file-complete');
if (status === 'error') fileElement.classList.add('file-error');
}
/**
* Update file count in header
*/
updateFileCount() {
const header = this.container.querySelector('.file-list-header h4');
if (header) {
header.textContent = `Files (${this.files.size})`;
}
}
/**
* Clear all files
*/
clearAll() {
this.uploader.clearAll();
this.fileItems.innerHTML = '';
this.files.clear();
if (this.fileList) {
this.fileList.style.display = 'none';
}
this.updateFileCount();
}
/**
* Helper: Format bytes
*/
formatBytes(bytes) {
if (bytes === 0) return '0 B';
const k = 1024;
const sizes = ['B', 'KB', 'MB', 'GB'];
const i = Math.floor(Math.log(bytes) / Math.log(k));
return Math.round((bytes / Math.pow(k, i)) * 100) / 100 + ' ' + sizes[i];
}
/**
* Helper: Truncate file name
*/
truncateFileName(name, maxLength) {
if (name.length <= maxLength) return name;
const extension = name.split('.').pop();
const baseName = name.substring(0, name.length - extension.length - 1);
const truncated = baseName.substring(0, maxLength - extension.length - 4);
return `${truncated}...${extension}`;
}
/**
* Helper: Get file icon SVG
*/
getFileIconSvg(mimeType) {
// Document icon
return `
<svg class="file-icon" width="40" height="40" viewBox="0 0 24 24" fill="none" stroke="currentColor">
<path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"></path>
<polyline points="14 2 14 8 20 8"></polyline>
</svg>
`;
}
/**
* Cleanup
*/
destroy() {
this.uploader.destroy();
this.container.innerHTML = '';
this.files.clear();
}
}
export default FileUploadWidget;

415
resources/js/modules/livecomponent/LazyComponentLoader.js Normal file
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/**
* Lazy Component Loader
*
* Loads LiveComponents only when they enter the viewport using Intersection Observer API.
* Provides performance optimization for pages with many components.
*
* Features:
* - Viewport-based loading with configurable thresholds
* - Placeholder management during loading
* - Progressive loading with priorities
* - Memory-efficient intersection tracking
* - Automatic cleanup and disconnection
*
* Usage:
* <div data-live-component-lazy="notification-center:user-123"
* data-lazy-threshold="0.1"
* data-lazy-priority="high"
* data-lazy-placeholder="Loading notifications...">
* </div>
*/
export class LazyComponentLoader {
constructor(liveComponentManager) {
this.liveComponentManager = liveComponentManager;
this.observer = null;
this.lazyComponents = new Map(); // element → config
this.loadingQueue = []; // Priority-based loading queue
this.isProcessingQueue = false;
this.defaultOptions = {
rootMargin: '50px', // Load 50px before entering viewport
threshold: 0.1 // Trigger when 10% visible
};
}
/**
* Initialize lazy loading system
*/
init() {
// Create Intersection Observer
this.observer = new IntersectionObserver(
(entries) => this.handleIntersection(entries),
this.defaultOptions
);
// Scan for lazy components
this.scanLazyComponents();
console.log(`[LazyLoader] Initialized with ${this.lazyComponents.size} lazy components`);
}
/**
* Scan DOM for lazy components
*/
scanLazyComponents() {
const lazyElements = document.querySelectorAll('[data-live-component-lazy]');
lazyElements.forEach(element => {
this.registerLazyComponent(element);
});
}
/**
* Register a lazy component for loading
*
* @param {HTMLElement} element - Component container
*/
registerLazyComponent(element) {
const componentId = element.dataset.liveComponentLazy;
if (!componentId) {
console.warn('[LazyLoader] Lazy component missing componentId:', element);
return;
}
// Extract configuration
const config = {
element,
componentId,
threshold: parseFloat(element.dataset.lazyThreshold) || this.defaultOptions.threshold,
priority: element.dataset.lazyPriority || 'normal', // high, normal, low
placeholder: element.dataset.lazyPlaceholder || null,
loaded: false,
loading: false
};
// Show placeholder
if (config.placeholder) {
this.showPlaceholder(element, config.placeholder);
}
// Store config
this.lazyComponents.set(element, config);
// Start observing
this.observer.observe(element);
console.log(`[LazyLoader] Registered lazy component: ${componentId}`);
}
/**
* Handle intersection observer callback
*
* @param {Array<IntersectionObserverEntry>} entries - Intersection entries
*/
handleIntersection(entries) {
entries.forEach(entry => {
if (entry.isIntersecting) {
const config = this.lazyComponents.get(entry.target);
if (config && !config.loaded && !config.loading) {
this.queueComponentLoad(config);
}
}
});
}
/**
* Queue component for loading with priority
*
* @param {Object} config - Component config
*/
queueComponentLoad(config) {
const priorityWeight = this.getPriorityWeight(config.priority);
this.loadingQueue.push({
config,
priority: priorityWeight,
timestamp: Date.now()
});
// Sort by priority (high to low) and then by timestamp (early to late)
this.loadingQueue.sort((a, b) => {
if (b.priority !== a.priority) {
return b.priority - a.priority;
}
return a.timestamp - b.timestamp;
});
console.log(`[LazyLoader] Queued: ${config.componentId} (priority: ${config.priority})`);
// Process queue
this.processLoadingQueue();
}
/**
* Get numeric weight for priority
*
* @param {string} priority - Priority level (high, normal, low)
* @returns {number} Priority weight
*/
getPriorityWeight(priority) {
const weights = {
'high': 3,
'normal': 2,
'low': 1
};
return weights[priority] || 2;
}
/**
* Process loading queue
*
* Loads components sequentially to avoid overloading server.
*/
async processLoadingQueue() {
if (this.isProcessingQueue || this.loadingQueue.length === 0) {
return;
}
this.isProcessingQueue = true;
while (this.loadingQueue.length > 0) {
const { config } = this.loadingQueue.shift();
if (!config.loaded && !config.loading) {
await this.loadComponent(config);
}
}
this.isProcessingQueue = false;
}
/**
* Load component from server
*
* @param {Object} config - Component config
*/
async loadComponent(config) {
config.loading = true;
try {
console.log(`[LazyLoader] Loading: ${config.componentId}`);
// Show loading indicator
this.showLoadingIndicator(config.element);
// Request component HTML from server
const response = await fetch(`/live-component/${config.componentId}/lazy-load`, {
method: 'GET',
headers: {
'X-Requested-With': 'XMLHttpRequest',
'Accept': 'application/json'
}
});
if (!response.ok) {
throw new Error(`HTTP ${response.status}: ${response.statusText}`);
}
const data = await response.json();
if (!data.success) {
throw new Error(data.error || 'Failed to load component');
}
// Replace placeholder with component HTML
config.element.innerHTML = data.html;
// Mark element as regular LiveComponent (no longer lazy)
config.element.setAttribute('data-live-component', config.componentId);
config.element.removeAttribute('data-live-component-lazy');
// Copy CSRF token to element
if (data.csrf_token) {
config.element.dataset.csrfToken = data.csrf_token;
}
// Copy state to element
if (data.state) {
config.element.dataset.state = JSON.stringify(data.state);
}
// Initialize as regular LiveComponent
this.liveComponentManager.init(config.element);
// Mark as loaded
config.loaded = true;
config.loading = false;
// Stop observing
this.observer.unobserve(config.element);
console.log(`[LazyLoader] Loaded: ${config.componentId}`);
// Dispatch custom event
config.element.dispatchEvent(new CustomEvent('livecomponent:lazy:loaded', {
detail: { componentId: config.componentId }
}));
} catch (error) {
console.error(`[LazyLoader] Failed to load ${config.componentId}:`, error);
config.loading = false;
// Show error state
this.showError(config.element, error.message);
// Dispatch error event
config.element.dispatchEvent(new CustomEvent('livecomponent:lazy:error', {
detail: {
componentId: config.componentId,
error: error.message
}
}));
}
}
/**
* Show placeholder
*
* @param {HTMLElement} element - Container element
* @param {string} text - Placeholder text
*/
showPlaceholder(element, text) {
element.innerHTML = `
<div class="livecomponent-lazy-placeholder" style="
padding: 2rem;
text-align: center;
color: #666;
background: #f5f5f5;
border-radius: 8px;
border: 1px dashed #ddd;
">
<div style="font-size: 1.5rem; margin-bottom: 0.5rem;">⏳</div>
<div>${text}</div>
</div>
`;
}
/**
* Show loading indicator
*
* @param {HTMLElement} element - Container element
*/
showLoadingIndicator(element) {
element.innerHTML = `
<div class="livecomponent-lazy-loading" style="
padding: 2rem;
text-align: center;
color: #2196F3;
background: #f5f5f5;
border-radius: 8px;
border: 1px solid #e3f2fd;
">
<div class="spinner" style="
width: 40px;
height: 40px;
margin: 0 auto 1rem;
border: 4px solid #e3f2fd;
border-top: 4px solid #2196F3;
border-radius: 50%;
animation: spin 1s linear infinite;
"></div>
<div>Loading component...</div>
</div>
<style>
@keyframes spin {
0% { transform: rotate(0deg); }
100% { transform: rotate(360deg); }
}
</style>
`;
}
/**
* Show error state
*
* @param {HTMLElement} element - Container element
* @param {string} errorMessage - Error message
*/
showError(element, errorMessage) {
element.innerHTML = `
<div class="livecomponent-lazy-error" style="
padding: 2rem;
text-align: center;
color: #d32f2f;
background: #ffebee;
border-radius: 8px;
border: 1px solid #ef9a9a;
">
<div style="font-size: 1.5rem; margin-bottom: 0.5rem;">❌</div>
<div><strong>Failed to load component</strong></div>
<div style="margin-top: 0.5rem; font-size: 0.9rem; color: #c62828;">
${errorMessage}
</div>
</div>
`;
}
/**
* Unregister lazy component and stop observing
*
* @param {HTMLElement} element - Component element
*/
unregister(element) {
const config = this.lazyComponents.get(element);
if (!config) return;
// Stop observing
this.observer.unobserve(element);
// Remove from registry
this.lazyComponents.delete(element);
console.log(`[LazyLoader] Unregistered: ${config.componentId}`);
}
/**
* Destroy lazy loader
*
* Clean up all observers and references.
*/
destroy() {
// Disconnect observer
if (this.observer) {
this.observer.disconnect();
this.observer = null;
}
// Clear queue
this.loadingQueue = [];
// Clear registry
this.lazyComponents.clear();
console.log('[LazyLoader] Destroyed');
}
/**
* Get lazy loading statistics
*
* @returns {Object} Statistics
*/
getStats() {
let loaded = 0;
let loading = 0;
let pending = 0;
this.lazyComponents.forEach(config => {
if (config.loaded) loaded++;
else if (config.loading) loading++;
else pending++;
});
return {
total: this.lazyComponents.size,
loaded,
loading,
pending,
queued: this.loadingQueue.length
};
}
}
// Export for use in LiveComponent module
export default LazyComponentLoader;

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resources/js/modules/livecomponent/NestedComponentHandler.js Normal file
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/**
* Nested Component Handler
*
* Manages parent-child relationships for nested LiveComponents on the client-side.
* Coordinates event bubbling, state synchronization, and lifecycle management.
*
* Features:
* - Parent-child relationship tracking
* - Event bubbling from child to parent
* - Child lifecycle coordination
* - State synchronization between parent and children
* - Automatic cleanup on component destruction
*
* Architecture:
* - Scans DOM for nested components (data-parent-component attribute)
* - Registers hierarchies with LiveComponentManager
* - Intercepts events to enable bubbling
* - Coordinates updates between parents and children
*/
export class NestedComponentHandler {
constructor(liveComponentManager) {
this.liveComponentManager = liveComponentManager;
// Registry: componentId → { parentId, childIds, depth }
this.hierarchyRegistry = new Map();
// Parent → [Children] mapping
this.childrenRegistry = new Map();
// Event bubbling callbacks: componentId → [callbacks]
this.bubbleCallbacks = new Map();
}
/**
* Initialize nested component system
* Scans DOM for nested components and registers hierarchies
*/
init() {
this.scanNestedComponents();
console.log(`[NestedComponents] Initialized with ${this.hierarchyRegistry.size} components`);
}
/**
* Scan DOM for nested components
* Looks for data-parent-component attribute to establish parent-child relationships
*/
scanNestedComponents() {
// Find all components with parent
const nestedComponents = document.querySelectorAll('[data-parent-component]');
nestedComponents.forEach(element => {
const componentId = element.dataset.liveComponent;
const parentId = element.dataset.parentComponent;
const depth = parseInt(element.dataset.nestingDepth) || 1;
if (componentId && parentId) {
this.registerHierarchy(componentId, parentId, depth);
}
});
// Register root components (no parent)
const rootComponents = document.querySelectorAll('[data-live-component]:not([data-parent-component])');
rootComponents.forEach(element => {
const componentId = element.dataset.liveComponent;
if (componentId && !this.hierarchyRegistry.has(componentId)) {
this.registerRoot(componentId);
}
});
}
/**
* Register root component (no parent)
*
* @param {string} componentId - Component ID
*/
registerRoot(componentId) {
this.hierarchyRegistry.set(componentId, {
parentId: null,
childIds: [],
depth: 0,
path: [componentId]
});
console.log(`[NestedComponents] Registered root: ${componentId}`);
}
/**
* Register component hierarchy
*
* @param {string} componentId - Child component ID
* @param {string} parentId - Parent component ID
* @param {number} depth - Nesting depth
*/
registerHierarchy(componentId, parentId, depth = 1) {
// Get parent's path
const parentHierarchy = this.hierarchyRegistry.get(parentId);
const parentPath = parentHierarchy ? parentHierarchy.path : [parentId];
// Create hierarchy entry
this.hierarchyRegistry.set(componentId, {
parentId,
childIds: [],
depth,
path: [...parentPath, componentId]
});
// Add to parent's children
if (!this.childrenRegistry.has(parentId)) {
this.childrenRegistry.set(parentId, []);
}
const children = this.childrenRegistry.get(parentId);
if (!children.includes(componentId)) {
children.push(componentId);
}
console.log(`[NestedComponents] Registered child: ${componentId} (parent: ${parentId}, depth: ${depth})`);
}
/**
* Register dynamic nested component at runtime
*
* @param {string} componentId - Component ID
* @param {string} parentId - Parent component ID
*/
registerDynamicChild(componentId, parentId) {
const parentHierarchy = this.hierarchyRegistry.get(parentId);
if (!parentHierarchy) {
console.warn(`[NestedComponents] Cannot register child - parent not found: ${parentId}`);
return;
}
const depth = parentHierarchy.depth + 1;
this.registerHierarchy(componentId, parentId, depth);
}
/**
* Get component hierarchy
*
* @param {string} componentId - Component ID
* @returns {Object|null} Hierarchy object or null
*/
getHierarchy(componentId) {
return this.hierarchyRegistry.get(componentId) || null;
}
/**
* Get parent component ID
*
* @param {string} componentId - Component ID
* @returns {string|null} Parent ID or null if root
*/
getParentId(componentId) {
const hierarchy = this.getHierarchy(componentId);
return hierarchy ? hierarchy.parentId : null;
}
/**
* Get child component IDs
*
* @param {string} componentId - Parent component ID
* @returns {Array<string>} Array of child IDs
*/
getChildIds(componentId) {
return this.childrenRegistry.get(componentId) || [];
}
/**
* Check if component has children
*
* @param {string} componentId - Component ID
* @returns {boolean} True if has children
*/
hasChildren(componentId) {
const children = this.getChildIds(componentId);
return children.length > 0;
}
/**
* Check if component is root
*
* @param {string} componentId - Component ID
* @returns {boolean} True if root component
*/
isRoot(componentId) {
const hierarchy = this.getHierarchy(componentId);
return hierarchy ? hierarchy.parentId === null : true;
}
/**
* Get nesting depth
*
* @param {string} componentId - Component ID
* @returns {number} Nesting depth (0 for root)
*/
getDepth(componentId) {
const hierarchy = this.getHierarchy(componentId);
return hierarchy ? hierarchy.depth : 0;
}
/**
* Get all ancestors (parent, grandparent, etc.)
*
* @param {string} componentId - Component ID
* @returns {Array<string>} Array of ancestor IDs (parent first, root last)
*/
getAncestors(componentId) {
const hierarchy = this.getHierarchy(componentId);
if (!hierarchy || !hierarchy.path) {
return [];
}
// Path includes current component, remove it
const ancestors = [...hierarchy.path];
ancestors.pop();
// Return in reverse order (parent first, root last)
return ancestors.reverse();
}
/**
* Bubble event up through component hierarchy
*
* Dispatches custom event to each ancestor until stopped or root reached.
*
* @param {string} sourceId - Component that dispatched the event
* @param {string} eventName - Event name
* @param {Object} payload - Event payload
* @returns {boolean} True if bubbled to root, false if stopped
*/
bubbleEvent(sourceId, eventName, payload) {
console.log(`[NestedComponents] Bubbling event: ${eventName} from ${sourceId}`, payload);
let currentId = sourceId;
let bubbled = 0;
while (true) {
const parentId = this.getParentId(currentId);
// Reached root
if (parentId === null) {
console.log(`[NestedComponents] Event bubbled to root (${bubbled} levels)`);
return true;
}
// Get parent element
const parentElement = document.querySelector(`[data-live-component="${parentId}"]`);
if (!parentElement) {
console.warn(`[NestedComponents] Parent element not found: ${parentId}`);
return false;
}
// Dispatch custom event to parent
const bubbleEvent = new CustomEvent(`livecomponent:child:${eventName}`, {
detail: {
sourceId,
eventName,
payload,
currentLevel: bubbled
},
bubbles: false, // We handle bubbling manually
cancelable: true
});
const dispatched = parentElement.dispatchEvent(bubbleEvent);
// Event was cancelled - stop bubbling
if (!dispatched) {
console.log(`[NestedComponents] Event bubbling stopped at ${parentId}`);
return false;
}
// Check for registered callbacks
const callbacks = this.bubbleCallbacks.get(parentId);
if (callbacks) {
for (const callback of callbacks) {
const shouldContinue = callback(sourceId, eventName, payload);
if (shouldContinue === false) {
console.log(`[NestedComponents] Event bubbling stopped by callback at ${parentId}`);
return false;
}
}
}
// Move to next level
currentId = parentId;
bubbled++;
}
}
/**
* Register callback for child events
*
* @param {string} parentId - Parent component ID
* @param {Function} callback - Callback function (sourceId, eventName, payload) => boolean
*/
onChildEvent(parentId, callback) {
if (!this.bubbleCallbacks.has(parentId)) {
this.bubbleCallbacks.set(parentId, []);
}
this.bubbleCallbacks.get(parentId).push(callback);
console.log(`[NestedComponents] Registered child event callback for ${parentId}`);
}
/**
* Sync state from parent to children
*
* Useful for broadcasting shared state to all children.
*
* @param {string} parentId - Parent component ID
* @param {Object} sharedState - State to share with children
*/
syncStateToChildren(parentId, sharedState) {
const childIds = this.getChildIds(parentId);
console.log(`[NestedComponents] Syncing state to ${childIds.length} children of ${parentId}`);
childIds.forEach(childId => {
const childElement = document.querySelector(`[data-live-component="${childId}"]`);
if (!childElement) return;
// Dispatch state sync event
childElement.dispatchEvent(new CustomEvent('livecomponent:parent:state-sync', {
detail: { parentId, sharedState }
}));
// Update child state if applicable
// Child components can listen to this event and update accordingly
});
}
/**
* Update all children when parent changes
*
* @param {string} parentId - Parent component ID
* @param {Object} updates - Updates to apply to children
*/
async updateChildren(parentId, updates) {
const childIds = this.getChildIds(parentId);
console.log(`[NestedComponents] Updating ${childIds.length} children of ${parentId}`);
// Update children in parallel for performance
const updatePromises = childIds.map(async childId => {
const childElement = document.querySelector(`[data-live-component="${childId}"]`);
if (!childElement) return;
// Trigger child component update via LiveComponent action
// This depends on how your components handle updates
// For now, just dispatch an event
childElement.dispatchEvent(new CustomEvent('livecomponent:parent:update', {
detail: { parentId, updates }
}));
});
await Promise.all(updatePromises);
}
/**
* Unregister component and cleanup
*
* @param {string} componentId - Component to unregister
*/
unregister(componentId) {
// Remove from hierarchy registry
const hierarchy = this.hierarchyRegistry.get(componentId);
this.hierarchyRegistry.delete(componentId);
// Remove from parent's children
if (hierarchy && hierarchy.parentId) {
const siblings = this.childrenRegistry.get(hierarchy.parentId);
if (siblings) {
const index = siblings.indexOf(componentId);
if (index !== -1) {
siblings.splice(index, 1);
}
}
}
// Remove children registry
this.childrenRegistry.delete(componentId);
// Remove bubble callbacks
this.bubbleCallbacks.delete(componentId);
console.log(`[NestedComponents] Unregistered: ${componentId}`);
}
/**
* Get hierarchy statistics
*
* @returns {Object} Statistics
*/
getStats() {
let rootCount = 0;
let maxDepth = 0;
this.hierarchyRegistry.forEach(hierarchy => {
if (hierarchy.parentId === null) {
rootCount++;
}
maxDepth = Math.max(maxDepth, hierarchy.depth);
});
return {
total_components: this.hierarchyRegistry.size,
root_components: rootCount,
child_components: this.hierarchyRegistry.size - rootCount,
max_nesting_depth: maxDepth,
parents_with_children: this.childrenRegistry.size
};
}
/**
* Destroy nested component handler
*/
destroy() {
this.hierarchyRegistry.clear();
this.childrenRegistry.clear();
this.bubbleCallbacks.clear();
console.log('[NestedComponents] Destroyed');
}
}
export default NestedComponentHandler;

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/**
* Optimistic State Manager
*
* Manages optimistic UI updates with version-based conflict resolution.
* Implements the "Optimistic UI" pattern where client immediately updates
* the UI before server confirms, then rolls back on conflicts.
*
* Key Features:
* - Immediate UI feedback (no loading spinners)
* - Version-based optimistic concurrency control
* - Automatic conflict detection and rollback
* - Pending operations queue with retry
* - User-friendly conflict resolution
*
* Protocol:
* 1. Client updates UI immediately (optimistic)
* 2. Client sends update to server with version
* 3. Server checks version and either:
* a) Accepts: version matches, returns new state with version++
* b) Rejects: version conflict, returns current server state
* 4. Client resolves:
* a) On accept: commit optimistic state
* b) On conflict: rollback to server state, show conflict UI
*/
export class OptimisticStateManager {
constructor() {
/**
* Pending operations queue
* Map<componentId, PendingOperation[]>
*/
this.pendingOperations = new Map();
/**
* Rollback snapshots
* Map<componentId, StateSnapshot>
*/
this.snapshots = new Map();
/**
* Conflict callbacks
* Map<componentId, ConflictCallback>
*/
this.conflictHandlers = new Map();
/**
* Optimistic operation counter
*/
this.operationIdCounter = 0;
}
/**
* Apply optimistic update
*
* Updates component state immediately without waiting for server confirmation.
* Creates snapshot for potential rollback.
*
* @param {string} componentId - Component identifier
* @param {Object} currentState - Current component state (with version)
* @param {Function} optimisticUpdate - Function that returns optimistically updated state
* @param {Object} metadata - Operation metadata (action, params)
* @returns {Object} Optimistic state with incremented version
*/
applyOptimisticUpdate(componentId, currentState, optimisticUpdate, metadata = {}) {
// Create snapshot before applying optimistic update
if (!this.snapshots.has(componentId)) {
this.createSnapshot(componentId, currentState);
}
// Extract version from state
const currentVersion = currentState.version || 1;
// Apply optimistic update
const optimisticState = optimisticUpdate(currentState);
// Increment version optimistically
const newState = {
...optimisticState,
version: currentVersion + 1
};
// Create pending operation
const operation = {
id: this.generateOperationId(),
componentId,
metadata,
expectedVersion: currentVersion,
optimisticState: newState,
timestamp: Date.now(),
status: 'pending' // pending, confirmed, failed
};
// Add to pending operations queue
this.addPendingOperation(componentId, operation);
console.log(`[OptimisticUI] Applied optimistic update for ${componentId}`, {
version: `${currentVersion} → ${currentVersion + 1}`,
operationId: operation.id,
pendingCount: this.getPendingOperationsCount(componentId)
});
return newState;
}
/**
* Confirm operation success
*
* Called when server successfully processes the operation.
* Commits the optimistic state and clears snapshot if no more pending operations.
*
* @param {string} componentId - Component identifier
* @param {string} operationId - Operation ID to confirm
* @param {Object} serverState - Server-confirmed state (may differ from optimistic)
* @returns {Object} Final state (server state or optimistic if versions match)
*/
confirmOperation(componentId, operationId, serverState) {
const operation = this.getPendingOperation(componentId, operationId);
if (!operation) {
console.warn(`[OptimisticUI] Cannot confirm unknown operation: ${operationId}`);
return serverState;
}
// Mark operation as confirmed
operation.status = 'confirmed';
// Remove from pending queue
this.removePendingOperation(componentId, operationId);
console.log(`[OptimisticUI] Confirmed operation ${operationId} for ${componentId}`, {
pendingCount: this.getPendingOperationsCount(componentId)
});
// If no more pending operations, clear snapshot
if (!this.hasPendingOperations(componentId)) {
this.clearSnapshot(componentId);
}
return serverState;
}
/**
* Handle version conflict
*
* Called when server rejects operation due to version mismatch.
* Rolls back to snapshot and applies server state.
*
* @param {string} componentId - Component identifier
* @param {string} operationId - Failed operation ID
* @param {Object} serverState - Current server state
* @param {Object} conflict - Conflict information
* @returns {Object} Resolution result with rollback state and user notification
*/
handleConflict(componentId, operationId, serverState, conflict = {}) {
const operation = this.getPendingOperation(componentId, operationId);
if (!operation) {
console.warn(`[OptimisticUI] Cannot handle conflict for unknown operation: ${operationId}`);
return { state: serverState, notification: null };
}
// Mark operation as failed
operation.status = 'failed';
// Get snapshot for rollback
const snapshot = this.snapshots.get(componentId);
console.warn(`[OptimisticUI] Version conflict detected for ${componentId}`, {
operationId,
expectedVersion: operation.expectedVersion,
serverVersion: serverState.version,
metadata: operation.metadata,
pendingOperationsCount: this.getPendingOperationsCount(componentId)
});
// Clear all pending operations (cascade rollback)
this.clearPendingOperations(componentId);
// Clear snapshot
this.clearSnapshot(componentId);
// Call conflict handler if registered
const conflictHandler = this.conflictHandlers.get(componentId);
if (conflictHandler) {
conflictHandler({
operation,
serverState,
snapshotState: snapshot?.state,
conflict
});
}
// Create user notification
const notification = {
type: 'conflict',
title: 'Update Conflict',
message: 'Your changes conflicted with another update. The latest version has been loaded.',
action: operation.metadata.action || 'unknown',
canRetry: true,
operation
};
return {
state: serverState,
notification
};
}
/**
* Create state snapshot for rollback
*
* @param {string} componentId - Component identifier
* @param {Object} state - Current state to snapshot
*/
createSnapshot(componentId, state) {
this.snapshots.set(componentId, {
state: JSON.parse(JSON.stringify(state)), // Deep clone
timestamp: Date.now()
});
console.log(`[OptimisticUI] Created snapshot for ${componentId}`, {
version: state.version
});
}
/**
* Clear snapshot after all operations confirmed
*
* @param {string} componentId - Component identifier
*/
clearSnapshot(componentId) {
const snapshot = this.snapshots.get(componentId);
if (snapshot) {
this.snapshots.delete(componentId);
console.log(`[OptimisticUI] Cleared snapshot for ${componentId}`);
}
}
/**
* Get rollback snapshot
*
* @param {string} componentId - Component identifier
* @returns {Object|null} Snapshot or null if none exists
*/
getSnapshot(componentId) {
const snapshot = this.snapshots.get(componentId);
return snapshot ? snapshot.state : null;
}
/**
* Add pending operation
*
* @param {string} componentId - Component identifier
* @param {Object} operation - Operation object
*/
addPendingOperation(componentId, operation) {
if (!this.pendingOperations.has(componentId)) {
this.pendingOperations.set(componentId, []);
}
this.pendingOperations.get(componentId).push(operation);
}
/**
* Remove pending operation
*
* @param {string} componentId - Component identifier
* @param {string} operationId - Operation ID to remove
*/
removePendingOperation(componentId, operationId) {
const operations = this.pendingOperations.get(componentId);
if (!operations) {
return;
}
const index = operations.findIndex(op => op.id === operationId);
if (index !== -1) {
operations.splice(index, 1);
}
// Clean up empty arrays
if (operations.length === 0) {
this.pendingOperations.delete(componentId);
}
}
/**
* Get specific pending operation
*
* @param {string} componentId - Component identifier
* @param {string} operationId - Operation ID
* @returns {Object|null} Operation or null if not found
*/
getPendingOperation(componentId, operationId) {
const operations = this.pendingOperations.get(componentId);
if (!operations) {
return null;
}
return operations.find(op => op.id === operationId) || null;
}
/**
* Get all pending operations for component
*
* @param {string} componentId - Component identifier
* @returns {Array<Object>} Array of pending operations
*/
getPendingOperations(componentId) {
return this.pendingOperations.get(componentId) || [];
}
/**
* Get pending operations count
*
* @param {string} componentId - Component identifier
* @returns {number} Number of pending operations
*/
getPendingOperationsCount(componentId) {
const operations = this.pendingOperations.get(componentId);
return operations ? operations.length : 0;
}
/**
* Check if component has pending operations
*
* @param {string} componentId - Component identifier
* @returns {boolean} True if has pending operations
*/
hasPendingOperations(componentId) {
return this.getPendingOperationsCount(componentId) > 0;
}
/**
* Clear all pending operations for component
*
* @param {string} componentId - Component identifier
*/
clearPendingOperations(componentId) {
this.pendingOperations.delete(componentId);
}
/**
* Register conflict handler
*
* Allows components to provide custom conflict resolution UI.
*
* @param {string} componentId - Component identifier
* @param {Function} handler - Conflict handler callback
*/
registerConflictHandler(componentId, handler) {
this.conflictHandlers.set(componentId, handler);
}
/**
* Unregister conflict handler
*
* @param {string} componentId - Component identifier
*/
unregisterConflictHandler(componentId) {
this.conflictHandlers.delete(componentId);
}
/**
* Generate unique operation ID
*
* @returns {string} Unique operation ID
*/
generateOperationId() {
return `op-${++this.operationIdCounter}-${Date.now()}`;
}
/**
* Retry failed operation
*
* Allows user to retry operation after conflict resolution.
*
* @param {string} componentId - Component identifier
* @param {Object} operation - Failed operation to retry
* @param {Function} retryCallback - Callback to execute retry
* @returns {Promise} Retry promise
*/
async retryOperation(componentId, operation, retryCallback) {
console.log(`[OptimisticUI] Retrying operation ${operation.id} for ${componentId}`);
try {
// Execute retry callback
const result = await retryCallback(operation.metadata);
console.log(`[OptimisticUI] Retry succeeded for ${operation.id}`);
return result;
} catch (error) {
console.error(`[OptimisticUI] Retry failed for ${operation.id}:`, error);
throw error;
}
}
/**
* Get debugging stats
*
* @returns {Object} Statistics about optimistic operations
*/
getStats() {
const stats = {
total_components: this.pendingOperations.size,
total_pending_operations: 0,
total_snapshots: this.snapshots.size,
components: {}
};
this.pendingOperations.forEach((operations, componentId) => {
stats.total_pending_operations += operations.length;
stats.components[componentId] = {
pending: operations.length,
has_snapshot: this.snapshots.has(componentId)
};
});
return stats;
}
/**
* Clear all state (for testing/debugging)
*/
clear() {
this.pendingOperations.clear();
this.snapshots.clear();
this.conflictHandlers.clear();
this.operationIdCounter = 0;
console.log('[OptimisticUI] Cleared all state');
}
}
// Create singleton instance
export const optimisticStateManager = new OptimisticStateManager();
// Export for testing and direct use
export default optimisticStateManager;

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/**
* Performance Profiler Module
*
* Provides performance profiling with flamegraph and timeline visualization
* for LiveComponents and general application performance analysis.
*
* @module performance-profiler
*/
import { PerformanceProfiler, LiveComponentsProfiler } from './profiler.js';
import { FlamegraphVisualizer, TimelineVisualizer } from './visualizer.js';
export const definition = {
name: 'performance-profiler',
version: '1.0.0',
dependencies: [],
provides: ['performance-profiling', 'flamegraph', 'timeline'],
priority: 0
};
let globalProfiler = null;
let flamegraphViz = null;
let timelineViz = null;
/**
* Initialize performance profiler module
* @param {Object} config - Module configuration
* @param {Object} state - Module state manager
*/
export async function init(config = {}, state) {
console.log('[PerformanceProfiler] Initializing performance profiler module');
const enabled = config.enabled ?? false;
// Create global profiler instance
globalProfiler = new PerformanceProfiler({
enabled,
maxSamples: config.maxSamples ?? 1000,
samplingInterval: config.samplingInterval ?? 10,
autoStart: config.autoStart ?? false
});
// Initialize visualizers if containers exist
if (config.flamegraphContainer) {
const container = document.querySelector(config.flamegraphContainer);
if (container) {
flamegraphViz = new FlamegraphVisualizer(container, config.flamegraph ?? {});
console.log('[PerformanceProfiler] Flamegraph visualizer initialized');
}
}
if (config.timelineContainer) {
const container = document.querySelector(config.timelineContainer);
if (container) {
timelineViz = new TimelineVisualizer(container, config.timeline ?? {});
console.log('[PerformanceProfiler] Timeline visualizer initialized');
}
}
// Expose global API
if (typeof window !== 'undefined') {
window.PerformanceProfiler = {
profiler: globalProfiler,
flamegraph: flamegraphViz,
timeline: timelineViz,
// Convenience methods
start: () => globalProfiler.start(),
stop: () => {
const results = globalProfiler.stop();
if (results) {
console.log('[PerformanceProfiler] Profiling results:', results);
// Auto-render visualizations if available
if (flamegraphViz) {
const flamegraphData = globalProfiler.generateFlamegraph();
flamegraphViz.render(flamegraphData);
}
if (timelineViz) {
const timelineData = globalProfiler.generateTimeline();
timelineViz.render(timelineData);
}
}
return results;
},
mark: (name, metadata) => globalProfiler.mark(name, metadata),
measure: (name, start, end) => globalProfiler.measure(name, start, end),
exportChromeTrace: () => globalProfiler.exportToChromeTrace(),
createComponentProfiler: (component, options) => {
return new LiveComponentsProfiler(component, {
...options,
enabled: enabled || options?.enabled
});
}
};
console.log('[PerformanceProfiler] Global API available at window.PerformanceProfiler');
}
// Auto-instrument LiveComponents if available
if (typeof window !== 'undefined' && window.LiveComponents && config.autoInstrument !== false) {
instrumentLiveComponents();
}
console.log('[PerformanceProfiler] Module initialized');
}
/**
* Auto-instrument all LiveComponents
* @private
*/
function instrumentLiveComponents() {
const liveComponents = window.LiveComponents;
if (!liveComponents || !liveComponents.registry) {
console.warn('[PerformanceProfiler] LiveComponents not available for instrumentation');
return;
}
// Instrument existing components
for (const [id, component] of liveComponents.registry.entries()) {
const profiler = new LiveComponentsProfiler(component, {
enabled: true
});
// Store profiler reference
component._profiler = profiler;
console.log(`[PerformanceProfiler] Instrumented component: ${id}`);
}
// Instrument future components
const originalRegister = liveComponents.register.bind(liveComponents);
liveComponents.register = (id, component) => {
const result = originalRegister(id, component);
const profiler = new LiveComponentsProfiler(component, {
enabled: true
});
component._profiler = profiler;
console.log(`[PerformanceProfiler] Instrumented component: ${id}`);
return result;
};
console.log('[PerformanceProfiler] LiveComponents instrumentation enabled');
}
/**
* Destroy performance profiler module
*/
export function destroy() {
if (globalProfiler) {
globalProfiler.clear();
}
if (flamegraphViz) {
flamegraphViz.clear();
}
if (timelineViz) {
timelineViz.clear();
}
if (typeof window !== 'undefined') {
delete window.PerformanceProfiler;
}
console.log('[PerformanceProfiler] Module destroyed');
}
// Export classes for advanced usage
export { PerformanceProfiler, LiveComponentsProfiler, FlamegraphVisualizer, TimelineVisualizer };
export default { init, destroy, definition };

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/**
* LiveComponents Performance Profiler
*
* Provides detailed performance profiling with flamegraph and timeline visualization.
*
* Features:
* - Real-time performance metrics collection
* - Flamegraph generation for call stack visualization
* - Timeline visualization for event sequencing
* - Export to Chrome DevTools format
* - Integration with Performance API
*
* @module PerformanceProfiler
*/
export class PerformanceProfiler {
constructor(options = {}) {
this.enabled = options.enabled ?? false;
this.maxSamples = options.maxSamples ?? 1000;
this.samplingInterval = options.samplingInterval ?? 10; // ms
this.autoStart = options.autoStart ?? false;
this.samples = [];
this.timeline = [];
this.marks = new Map();
this.measures = new Map();
this.isRecording = false;
this.recordingStartTime = null;
if (this.autoStart && this.enabled) {
this.start();
}
}
/**
* Start performance profiling
*/
start() {
if (this.isRecording) {
console.warn('[PerformanceProfiler] Already recording');
return;
}
this.isRecording = true;
this.recordingStartTime = performance.now();
this.samples = [];
this.timeline = [];
console.log('[PerformanceProfiler] Started recording');
}
/**
* Stop performance profiling
* @returns {Object} Profiling results
*/
stop() {
if (!this.isRecording) {
console.warn('[PerformanceProfiler] Not recording');
return null;
}
this.isRecording = false;
const duration = performance.now() - this.recordingStartTime;
const results = {
duration,
samples: this.samples,
timeline: this.timeline,
marks: Array.from(this.marks.entries()),
measures: Array.from(this.measures.entries()),
summary: this.generateSummary()
};
console.log('[PerformanceProfiler] Stopped recording', results);
return results;
}
/**
* Mark a specific point in time
* @param {string} name - Mark name
* @param {Object} metadata - Additional metadata
*/
mark(name, metadata = {}) {
if (!this.isRecording && !this.enabled) return;
const timestamp = performance.now();
const mark = {
name,
timestamp,
relativeTime: timestamp - this.recordingStartTime,
metadata
};
this.marks.set(name, mark);
// Also use native Performance API
if (performance.mark) {
performance.mark(name);
}
// Add to timeline
this.timeline.push({
type: 'mark',
...mark
});
}
/**
* Measure duration between two marks
* @param {string} name - Measure name
* @param {string} startMark - Start mark name
* @param {string} endMark - End mark name (optional, defaults to now)
*/
measure(name, startMark, endMark = null) {
if (!this.isRecording && !this.enabled) return;
const start = this.marks.get(startMark);
if (!start) {
console.warn(`[PerformanceProfiler] Start mark "${startMark}" not found`);
return;
}
const endTime = endMark
? this.marks.get(endMark)?.timestamp
: performance.now();
if (!endTime) {
console.warn(`[PerformanceProfiler] End mark "${endMark}" not found`);
return;
}
const duration = endTime - start.timestamp;
const measure = {
name,
startMark,
endMark,
duration,
startTime: start.timestamp,
endTime,
relativeStartTime: start.relativeTime,
relativeEndTime: endTime - this.recordingStartTime
};
this.measures.set(name, measure);
// Native Performance API
if (performance.measure && endMark) {
try {
performance.measure(name, startMark, endMark);
} catch (e) {
// Ignore if marks don't exist in native API
}
}
// Add to timeline
this.timeline.push({
type: 'measure',
...measure
});
}
/**
* Record a sample for flamegraph
* @param {string} functionName - Function name
* @param {Array<string>} stackTrace - Call stack
* @param {number} duration - Execution duration
*/
sample(functionName, stackTrace = [], duration = 0) {
if (!this.isRecording) return;
if (this.samples.length >= this.maxSamples) {
console.warn('[PerformanceProfiler] Max samples reached');
return;
}
this.samples.push({
timestamp: performance.now(),
relativeTime: performance.now() - this.recordingStartTime,
functionName,
stackTrace,
duration
});
}
/**
* Generate flamegraph data
* @returns {Object} Flamegraph data structure
*/
generateFlamegraph() {
if (this.samples.length === 0) {
return null;
}
// Build call tree from samples
const root = {
name: '(root)',
value: 0,
children: []
};
for (const sample of this.samples) {
let currentNode = root;
const stack = [sample.functionName, ...sample.stackTrace].reverse();
for (const funcName of stack) {
let child = currentNode.children.find(c => c.name === funcName);
if (!child) {
child = {
name: funcName,
value: 0,
children: []
};
currentNode.children.push(child);
}
child.value += sample.duration || 1;
currentNode = child;
}
}
return root;
}
/**
* Generate timeline data for visualization
* @returns {Array} Timeline events
*/
generateTimeline() {
return this.timeline.map(event => ({
...event,
category: this.categorizeEvent(event),
color: this.getEventColor(event)
}));
}
/**
* Generate summary statistics
* @returns {Object} Summary data
*/
generateSummary() {
const durations = Array.from(this.measures.values()).map(m => m.duration);
if (durations.length === 0) {
return {
totalMeasures: 0,
totalSamples: this.samples.length,
totalDuration: 0
};
}
const totalDuration = durations.reduce((sum, d) => sum + d, 0);
const avgDuration = totalDuration / durations.length;
const maxDuration = Math.max(...durations);
const minDuration = Math.min(...durations);
// Calculate percentiles
const sortedDurations = [...durations].sort((a, b) => a - b);
const p50 = sortedDurations[Math.floor(sortedDurations.length * 0.5)];
const p90 = sortedDurations[Math.floor(sortedDurations.length * 0.9)];
const p99 = sortedDurations[Math.floor(sortedDurations.length * 0.99)];
return {
totalMeasures: this.measures.size,
totalSamples: this.samples.length,
totalDuration,
avgDuration,
maxDuration,
minDuration,
percentiles: { p50, p90, p99 }
};
}
/**
* Export to Chrome DevTools Performance format
* @returns {Object} Chrome DevTools trace event format
*/
exportToChromeTrace() {
const events = [];
// Add marks
for (const [name, mark] of this.marks.entries()) {
events.push({
name,
cat: 'mark',
ph: 'R', // Instant event
ts: mark.timestamp * 1000, // microseconds
pid: 1,
tid: 1,
args: mark.metadata
});
}
// Add measures as duration events
for (const [name, measure] of this.measures.entries()) {
events.push({
name,
cat: 'measure',
ph: 'B', // Begin
ts: measure.startTime * 1000,
pid: 1,
tid: 1
});
events.push({
name,
cat: 'measure',
ph: 'E', // End
ts: measure.endTime * 1000,
pid: 1,
tid: 1
});
}
// Add samples
for (const sample of this.samples) {
events.push({
name: sample.functionName,
cat: 'sample',
ph: 'X', // Complete event
ts: sample.timestamp * 1000,
dur: (sample.duration || 1) * 1000,
pid: 1,
tid: 1,
args: {
stackTrace: sample.stackTrace
}
});
}
return {
traceEvents: events.sort((a, b) => a.ts - b.ts),
displayTimeUnit: 'ms',
metadata: {
'clock-domain': 'PERFORMANCE_NOW'
}
};
}
/**
* Categorize timeline event
* @private
*/
categorizeEvent(event) {
if (event.type === 'mark') {
if (event.name.includes('action')) return 'action';
if (event.name.includes('render')) return 'render';
if (event.name.includes('state')) return 'state';
return 'other';
}
if (event.type === 'measure') {
if (event.duration > 100) return 'slow';
if (event.duration > 16) return 'normal';
return 'fast';
}
return 'unknown';
}
/**
* Get color for event visualization
* @private
*/
getEventColor(event) {
const colorMap = {
action: '#4CAF50',
render: '#2196F3',
state: '#FF9800',
slow: '#F44336',
normal: '#FFC107',
fast: '#8BC34A',
other: '#9E9E9E',
unknown: '#607D8B'
};
return colorMap[this.categorizeEvent(event)] || '#607D8B';
}
/**
* Clear all profiling data
*/
clear() {
this.samples = [];
this.timeline = [];
this.marks.clear();
this.measures.clear();
this.recordingStartTime = null;
// Clear native Performance API
if (performance.clearMarks) {
performance.clearMarks();
}
if (performance.clearMeasures) {
performance.clearMeasures();
}
}
/**
* Get current profiling status
* @returns {Object} Status information
*/
getStatus() {
return {
enabled: this.enabled,
isRecording: this.isRecording,
samplesCount: this.samples.length,
marksCount: this.marks.size,
measuresCount: this.measures.size,
timelineEventsCount: this.timeline.length,
recordingDuration: this.isRecording
? performance.now() - this.recordingStartTime
: 0
};
}
}
/**
* LiveComponents Performance Integration
*
* Automatic profiling for LiveComponents actions and lifecycle events
*/
export class LiveComponentsProfiler extends PerformanceProfiler {
constructor(component, options = {}) {
super(options);
this.component = component;
this.actionCallDepth = 0;
if (this.enabled) {
this.instrumentComponent();
}
}
/**
* Instrument component for automatic profiling
* @private
*/
instrumentComponent() {
// Hook into action calls
const originalCall = this.component.call.bind(this.component);
this.component.call = (actionName, params, options) => {
this.actionCallDepth++;
const markName = `action:${actionName}:${this.actionCallDepth}`;
this.mark(`${markName}:start`, {
actionName,
params,
depth: this.actionCallDepth
});
const result = originalCall(actionName, params, options);
// Handle promise results
if (result instanceof Promise) {
return result.finally(() => {
this.mark(`${markName}:end`);
this.measure(`action:${actionName}`, `${markName}:start`, `${markName}:end`);
this.actionCallDepth--;
});
}
this.mark(`${markName}:end`);
this.measure(`action:${actionName}`, `${markName}:start`, `${markName}:end`);
this.actionCallDepth--;
return result;
};
// Hook into state updates
if (this.component.state) {
const originalSet = this.component.state.set.bind(this.component.state);
this.component.state.set = (key, value) => {
this.mark(`state:set:${key}`, { key, value });
return originalSet(key, value);
};
}
// Hook into renders
if (this.component.render) {
const originalRender = this.component.render.bind(this.component);
this.component.render = () => {
this.mark('render:start');
const result = originalRender();
if (result instanceof Promise) {
return result.finally(() => {
this.mark('render:end');
this.measure('render', 'render:start', 'render:end');
});
}
this.mark('render:end');
this.measure('render', 'render:start', 'render:end');
return result;
};
}
}
}
// Export default instance
export default PerformanceProfiler;

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/**
* Performance Visualization Components
*
* Provides flamegraph and timeline visualization for performance profiling data.
*
* @module PerformanceVisualizer
*/
/**
* Flamegraph Visualizer
*
* Renders interactive flamegraph from profiling samples
*/
export class FlamegraphVisualizer {
constructor(container, options = {}) {
this.container = typeof container === 'string'
? document.querySelector(container)
: container;
if (!this.container) {
throw new Error('Container element not found');
}
this.options = {
width: options.width ?? this.container.clientWidth,
height: options.height ?? 400,
barHeight: options.barHeight ?? 20,
barPadding: options.barPadding ?? 2,
colorScheme: options.colorScheme ?? 'category', // 'category', 'duration', 'monochrome'
minWidth: options.minWidth ?? 0.5, // Minimum width in pixels to render
...options
};
this.data = null;
this.svg = null;
this.tooltip = null;
this.selectedNode = null;
this.init();
}
/**
* Initialize SVG canvas
* @private
*/
init() {
// Create SVG element
this.svg = document.createElementNS('http://www.w3.org/2000/svg', 'svg');
this.svg.setAttribute('width', this.options.width);
this.svg.setAttribute('height', this.options.height);
this.svg.style.fontFamily = 'monospace';
this.svg.style.fontSize = '12px';
// Create tooltip
this.tooltip = document.createElement('div');
this.tooltip.style.position = 'absolute';
this.tooltip.style.padding = '8px';
this.tooltip.style.background = 'rgba(0, 0, 0, 0.8)';
this.tooltip.style.color = 'white';
this.tooltip.style.borderRadius = '4px';
this.tooltip.style.pointerEvents = 'none';
this.tooltip.style.display = 'none';
this.tooltip.style.zIndex = '1000';
this.tooltip.style.fontSize = '12px';
this.container.style.position = 'relative';
this.container.appendChild(this.svg);
this.container.appendChild(this.tooltip);
}
/**
* Render flamegraph from data
* @param {Object} data - Flamegraph data (hierarchical structure)
*/
render(data) {
this.data = data;
this.clear();
if (!data) {
return;
}
// Calculate total value for width scaling
const totalValue = this.calculateTotalValue(data);
// Render nodes recursively
this.renderNode(data, 0, 0, this.options.width, totalValue);
}
/**
* Render a single flamegraph node
* @private
*/
renderNode(node, x, y, width, totalValue) {
const { barHeight, barPadding, minWidth } = this.options;
// Skip if too small to render
if (width < minWidth) {
return;
}
// Create rectangle
const rect = document.createElementNS('http://www.w3.org/2000/svg', 'rect');
rect.setAttribute('x', x);
rect.setAttribute('y', y);
rect.setAttribute('width', width);
rect.setAttribute('height', barHeight - barPadding);
rect.setAttribute('fill', this.getColor(node));
rect.setAttribute('stroke', '#fff');
rect.setAttribute('stroke-width', '0.5');
rect.style.cursor = 'pointer';
// Add interactivity
rect.addEventListener('mouseenter', (e) => this.showTooltip(e, node));
rect.addEventListener('mouseleave', () => this.hideTooltip());
rect.addEventListener('click', () => this.selectNode(node));
this.svg.appendChild(rect);
// Create text label
const text = document.createElementNS('http://www.w3.org/2000/svg', 'text');
text.setAttribute('x', x + 4);
text.setAttribute('y', y + barHeight / 2 + 4);
text.setAttribute('fill', this.getTextColor(node));
text.setAttribute('pointer-events', 'none');
text.textContent = this.truncateText(node.name, width);
this.svg.appendChild(text);
// Render children
if (node.children && node.children.length > 0) {
let childX = x;
const childY = y + barHeight;
for (const child of node.children) {
const childWidth = (child.value / node.value) * width;
this.renderNode(child, childX, childY, childWidth, totalValue);
childX += childWidth;
}
}
}
/**
* Calculate total value in tree
* @private
*/
calculateTotalValue(node) {
if (!node.children || node.children.length === 0) {
return node.value;
}
return node.children.reduce((sum, child) => {
return sum + this.calculateTotalValue(child);
}, 0);
}
/**
* Get color for node based on color scheme
* @private
*/
getColor(node) {
if (this.options.colorScheme === 'monochrome') {
return '#3b82f6';
}
if (this.options.colorScheme === 'duration') {
// Color based on node value (duration)
const intensity = Math.min(node.value / 100, 1);
const r = Math.floor(255 * intensity);
const g = Math.floor(255 * (1 - intensity));
return `rgb(${r}, ${g}, 100)`;
}
// Category-based coloring (default)
const colorMap = {
'action': '#4CAF50',
'render': '#2196F3',
'state': '#FF9800',
'network': '#9C27B0',
'dom': '#F44336',
'compute': '#00BCD4'
};
// Determine category from function name
for (const [keyword, color] of Object.entries(colorMap)) {
if (node.name.toLowerCase().includes(keyword)) {
return color;
}
}
// Hash-based color for consistency
return this.hashColor(node.name);
}
/**
* Get text color for contrast
* @private
*/
getTextColor(node) {
return '#fff'; // White text for all colors (good contrast)
}
/**
* Hash function for consistent colors
* @private
*/
hashColor(str) {
let hash = 0;
for (let i = 0; i < str.length; i++) {
hash = str.charCodeAt(i) + ((hash << 5) - hash);
}
const hue = hash % 360;
return `hsl(${hue}, 70%, 50%)`;
}
/**
* Truncate text to fit width
* @private
*/
truncateText(text, width) {
const charWidth = 7; // Approximate character width
const maxChars = Math.floor(width / charWidth) - 2;
if (text.length <= maxChars) {
return text;
}
return text.substring(0, maxChars) + '…';
}
/**
* Show tooltip with node information
* @private
*/
showTooltip(event, node) {
const percentage = this.data
? ((node.value / this.calculateTotalValue(this.data)) * 100).toFixed(2)
: '0';
this.tooltip.innerHTML = `
<strong>${node.name}</strong><br>
Time: ${node.value.toFixed(2)}ms<br>
${percentage}% of total<br>
${node.children ? `${node.children.length} child(ren)` : 'Leaf node'}
`;
this.tooltip.style.display = 'block';
this.tooltip.style.left = `${event.pageX + 10}px`;
this.tooltip.style.top = `${event.pageY + 10}px`;
}
/**
* Hide tooltip
* @private
*/
hideTooltip() {
this.tooltip.style.display = 'none';
}
/**
* Select node (zoom/highlight)
* @private
*/
selectNode(node) {
this.selectedNode = node;
console.log('[Flamegraph] Selected node:', node);
// Could implement zoom functionality here
// this.render(node);
}
/**
* Clear flamegraph
*/
clear() {
while (this.svg.firstChild) {
this.svg.removeChild(this.svg.firstChild);
}
}
/**
* Export flamegraph as SVG
* @returns {string} SVG string
*/
exportSVG() {
return this.svg.outerHTML;
}
/**
* Export flamegraph as PNG
* @returns {Promise<Blob>} PNG image blob
*/
async exportPNG() {
const svgData = new XMLSerializer().serializeToString(this.svg);
const canvas = document.createElement('canvas');
canvas.width = this.options.width;
canvas.height = this.options.height;
const ctx = canvas.getContext('2d');
const img = new Image();
return new Promise((resolve, reject) => {
img.onload = () => {
ctx.drawImage(img, 0, 0);
canvas.toBlob(resolve, 'image/png');
};
img.onerror = reject;
img.src = 'data:image/svg+xml;base64,' + btoa(svgData);
});
}
}
/**
* Timeline Visualizer
*
* Renders interactive timeline from profiling events
*/
export class TimelineVisualizer {
constructor(container, options = {}) {
this.container = typeof container === 'string'
? document.querySelector(container)
: container;
if (!this.container) {
throw new Error('Container element not found');
}
this.options = {
width: options.width ?? this.container.clientWidth,
height: options.height ?? 200,
trackHeight: options.trackHeight ?? 30,
padding: options.padding ?? { top: 20, right: 20, bottom: 30, left: 60 },
...options
};
this.events = [];
this.canvas = null;
this.ctx = null;
this.tooltip = null;
this.scale = { x: 1, y: 1 };
this.offset = { x: 0, y: 0 };
this.init();
}
/**
* Initialize canvas
* @private
*/
init() {
// Create canvas
this.canvas = document.createElement('canvas');
this.canvas.width = this.options.width;
this.canvas.height = this.options.height;
this.canvas.style.cursor = 'crosshair';
this.ctx = this.canvas.getContext('2d');
// Create tooltip
this.tooltip = document.createElement('div');
this.tooltip.style.position = 'absolute';
this.tooltip.style.padding = '8px';
this.tooltip.style.background = 'rgba(0, 0, 0, 0.8)';
this.tooltip.style.color = 'white';
this.tooltip.style.borderRadius = '4px';
this.tooltip.style.pointerEvents = 'none';
this.tooltip.style.display = 'none';
this.tooltip.style.zIndex = '1000';
this.tooltip.style.fontSize = '12px';
this.container.style.position = 'relative';
this.container.appendChild(this.canvas);
this.container.appendChild(this.tooltip);
// Add mouse events
this.canvas.addEventListener('mousemove', this.handleMouseMove.bind(this));
this.canvas.addEventListener('mouseleave', this.handleMouseLeave.bind(this));
}
/**
* Render timeline from events
* @param {Array} events - Timeline events
*/
render(events) {
this.events = events;
this.clear();
if (!events || events.length === 0) {
return;
}
// Calculate time range
const times = events.map(e => e.timestamp || e.relativeTime || 0);
const minTime = Math.min(...times);
const maxTime = Math.max(...times);
const duration = maxTime - minTime;
// Calculate scale
const { padding } = this.options;
const plotWidth = this.options.width - padding.left - padding.right;
const plotHeight = this.options.height - padding.top - padding.bottom;
this.scale.x = plotWidth / duration;
// Draw axes
this.drawAxes(minTime, maxTime, duration);
// Draw events
const tracks = this.organizeIntoTracks(events);
this.scale.y = plotHeight / tracks.length;
tracks.forEach((track, index) => {
track.forEach(event => {
this.drawEvent(event, index, minTime);
});
});
}
/**
* Organize events into non-overlapping tracks
* @private
*/
organizeIntoTracks(events) {
const tracks = [];
const sortedEvents = [...events].sort((a, b) => {
const aTime = a.timestamp || a.relativeTime || 0;
const bTime = b.timestamp || b.relativeTime || 0;
return aTime - bTime;
});
for (const event of sortedEvents) {
const eventStart = event.timestamp || event.relativeTime || 0;
const eventEnd = event.type === 'measure'
? eventStart + event.duration
: eventStart + 0.1;
// Find track where event fits
let placed = false;
for (const track of tracks) {
const conflicts = track.some(e => {
const eStart = e.timestamp || e.relativeTime || 0;
const eEnd = e.type === 'measure'
? eStart + e.duration
: eStart + 0.1;
return eventStart < eEnd && eventEnd > eStart;
});
if (!conflicts) {
track.push(event);
placed = true;
break;
}
}
if (!placed) {
tracks.push([event]);
}
}
return tracks;
}
/**
* Draw axes and grid
* @private
*/
drawAxes(minTime, maxTime, duration) {
const { padding } = this.options;
const { ctx } = this;
ctx.strokeStyle = '#ccc';
ctx.lineWidth = 1;
// Y-axis
ctx.beginPath();
ctx.moveTo(padding.left, padding.top);
ctx.lineTo(padding.left, this.options.height - padding.bottom);
ctx.stroke();
// X-axis
ctx.beginPath();
ctx.moveTo(padding.left, this.options.height - padding.bottom);
ctx.lineTo(this.options.width - padding.right, this.options.height - padding.bottom);
ctx.stroke();
// Time labels
ctx.fillStyle = '#666';
ctx.font = '10px monospace';
ctx.textAlign = 'center';
const numLabels = 5;
for (let i = 0; i <= numLabels; i++) {
const time = minTime + (duration / numLabels) * i;
const x = padding.left + (time - minTime) * this.scale.x;
const y = this.options.height - padding.bottom + 15;
ctx.fillText(`${time.toFixed(1)}ms`, x, y);
}
}
/**
* Draw a single event
* @private
*/
drawEvent(event, trackIndex, minTime) {
const { padding } = this.options;
const { ctx } = this;
const startTime = event.timestamp || event.relativeTime || 0;
const x = padding.left + (startTime - minTime) * this.scale.x;
const y = padding.top + trackIndex * this.scale.y;
const height = this.scale.y - 4;
if (event.type === 'mark') {
// Draw mark as vertical line
ctx.strokeStyle = event.color || '#2196F3';
ctx.lineWidth = 2;
ctx.beginPath();
ctx.moveTo(x, y);
ctx.lineTo(x, y + height);
ctx.stroke();
// Draw marker
ctx.fillStyle = event.color || '#2196F3';
ctx.beginPath();
ctx.arc(x, y + height / 2, 4, 0, Math.PI * 2);
ctx.fill();
} else if (event.type === 'measure') {
// Draw measure as rectangle
const width = Math.max(event.duration * this.scale.x, 2);
ctx.fillStyle = event.color || '#4CAF50';
ctx.fillRect(x, y, width, height);
ctx.strokeStyle = '#fff';
ctx.lineWidth = 0.5;
ctx.strokeRect(x, y, width, height);
// Draw label if wide enough
if (width > 30) {
ctx.fillStyle = '#fff';
ctx.font = '10px monospace';
ctx.textAlign = 'left';
ctx.fillText(event.name, x + 4, y + height / 2 + 4);
}
}
// Store event bounds for hover detection
event._bounds = {
x,
y,
width: event.type === 'measure' ? event.duration * this.scale.x : 8,
height
};
}
/**
* Handle mouse move for tooltip
* @private
*/
handleMouseMove(e) {
const rect = this.canvas.getBoundingClientRect();
const mouseX = e.clientX - rect.left;
const mouseY = e.clientY - rect.top;
// Find hovered event
const hoveredEvent = this.events.find(event => {
if (!event._bounds) return false;
const { x, y, width, height } = event._bounds;
return mouseX >= x && mouseX <= x + width &&
mouseY >= y && mouseY <= y + height;
});
if (hoveredEvent) {
this.showTooltip(e, hoveredEvent);
} else {
this.hideTooltip();
}
}
/**
* Handle mouse leave
* @private
*/
handleMouseLeave() {
this.hideTooltip();
}
/**
* Show tooltip with event information
* @private
*/
showTooltip(event, timelineEvent) {
const time = timelineEvent.timestamp || timelineEvent.relativeTime || 0;
this.tooltip.innerHTML = `
<strong>${timelineEvent.name}</strong><br>
Type: ${timelineEvent.type}<br>
Time: ${time.toFixed(2)}ms<br>
${timelineEvent.duration ? `Duration: ${timelineEvent.duration.toFixed(2)}ms` : ''}
`;
this.tooltip.style.display = 'block';
this.tooltip.style.left = `${event.pageX + 10}px`;
this.tooltip.style.top = `${event.pageY + 10}px`;
}
/**
* Hide tooltip
* @private
*/
hideTooltip() {
this.tooltip.style.display = 'none';
}
/**
* Clear timeline
*/
clear() {
this.ctx.clearRect(0, 0, this.options.width, this.options.height);
}
/**
* Export timeline as PNG
* @returns {Promise<Blob>} PNG image blob
*/
async exportPNG() {
return new Promise((resolve) => {
this.canvas.toBlob(resolve, 'image/png');
});
}
}
export default { FlamegraphVisualizer, TimelineVisualizer };

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/**
* SSE (Server-Sent Events) Client Module
*
* Provides real-time server push capabilities for LiveComponents.
*
* Features:
* - Auto-reconnect with exponential backoff
* - Multi-channel subscription
* - Event type routing
* - Heartbeat monitoring
* - Connection state management
*
* @module sse
*/
/**
* Connection states
*/
const ConnectionState = {
DISCONNECTED: 'disconnected',
CONNECTING: 'connecting',
CONNECTED: 'connected',
ERROR: 'error'
};
/**
* Reconnection strategy with exponential backoff
*/
class ReconnectionStrategy {
constructor() {
this.attempt = 0;
this.baseDelay = 1000; // 1s
this.maxDelay = 30000; // 30s
this.maxAttempts = 10;
}
/**
* Get delay for current attempt with jitter
*/
getDelay() {
const delay = Math.min(
this.baseDelay * Math.pow(2, this.attempt),
this.maxDelay
);
// Add jitter (±25%)
const jitter = delay * 0.25 * (Math.random() - 0.5);
return Math.floor(delay + jitter);
}
/**
* Check if should retry
*/
shouldRetry() {
return this.attempt < this.maxAttempts;
}
/**
* Record a reconnection attempt
*/
recordAttempt() {
this.attempt++;
}
/**
* Reset strategy (connection successful)
*/
reset() {
this.attempt = 0;
}
}
/**
* SSE Client
*
* Manages Server-Sent Events connection with auto-reconnect.
*/
export class SseClient {
/**
* @param {string[]} channels - Channels to subscribe to
* @param {object} options - Configuration options
*/
constructor(channels = [], options = {}) {
this.channels = channels;
this.options = {
autoReconnect: true,
heartbeatTimeout: 45000, // 45s (server sends every 30s)
...options
};
this.eventSource = null;
this.state = ConnectionState.DISCONNECTED;
this.reconnectionStrategy = new ReconnectionStrategy();
this.reconnectTimer = null;
this.heartbeatTimer = null;
this.lastHeartbeat = null;
this.eventHandlers = new Map(); // eventType => Set<handler>
this.stateChangeHandlers = new Set();
this.connectionId = null;
}
/**
* Connect to SSE stream
*/
connect() {
if (this.state === ConnectionState.CONNECTING || this.state === ConnectionState.CONNECTED) {
console.warn('[SSE] Already connecting or connected');
return;
}
this.setState(ConnectionState.CONNECTING);
const url = this.buildUrl();
try {
this.eventSource = new EventSource(url);
// Connection opened
this.eventSource.addEventListener('open', () => {
console.log('[SSE] Connection opened');
this.setState(ConnectionState.CONNECTED);
this.reconnectionStrategy.reset();
this.startHeartbeatMonitoring();
});
// Connection error
this.eventSource.addEventListener('error', (e) => {
console.error('[SSE] Connection error', e);
if (this.eventSource.readyState === EventSource.CLOSED) {
this.handleDisconnect();
}
});
// Initial connection confirmation
this.eventSource.addEventListener('connected', (e) => {
const data = JSON.parse(e.data);
this.connectionId = data.connection_id;
console.log('[SSE] Connected with ID:', this.connectionId);
});
// Heartbeat event
this.eventSource.addEventListener('heartbeat', (e) => {
this.lastHeartbeat = Date.now();
});
// Disconnected event
this.eventSource.addEventListener('disconnected', () => {
console.log('[SSE] Server initiated disconnect');
this.disconnect();
});
// Error events
this.eventSource.addEventListener('error', (e) => {
const data = JSON.parse(e.data);
console.error('[SSE] Server error:', data);
});
} catch (error) {
console.error('[SSE] Failed to create EventSource', error);
this.setState(ConnectionState.ERROR);
this.scheduleReconnect();
}
}
/**
* Disconnect from SSE stream
*/
disconnect() {
if (this.eventSource) {
this.eventSource.close();
this.eventSource = null;
}
this.stopHeartbeatMonitoring();
this.clearReconnectTimer();
this.setState(ConnectionState.DISCONNECTED);
this.connectionId = null;
}
/**
* Handle disconnection
*/
handleDisconnect() {
this.setState(ConnectionState.ERROR);
this.stopHeartbeatMonitoring();
if (this.options.autoReconnect && this.reconnectionStrategy.shouldRetry()) {
this.scheduleReconnect();
} else {
this.setState(ConnectionState.DISCONNECTED);
}
}
/**
* Schedule reconnection attempt
*/
scheduleReconnect() {
const delay = this.reconnectionStrategy.getDelay();
console.log(`[SSE] Reconnecting in ${delay}ms (attempt ${this.reconnectionStrategy.attempt + 1})`);
this.reconnectTimer = setTimeout(() => {
this.reconnectionStrategy.recordAttempt();
this.connect();
}, delay);
}
/**
* Clear reconnect timer
*/
clearReconnectTimer() {
if (this.reconnectTimer) {
clearTimeout(this.reconnectTimer);
this.reconnectTimer = null;
}
}
/**
* Start heartbeat monitoring
*/
startHeartbeatMonitoring() {
this.lastHeartbeat = Date.now();
this.heartbeatTimer = setInterval(() => {
const timeSinceHeartbeat = Date.now() - this.lastHeartbeat;
if (timeSinceHeartbeat > this.options.heartbeatTimeout) {
console.warn('[SSE] Heartbeat timeout - connection appears dead');
this.handleDisconnect();
}
}, 5000); // Check every 5s
}
/**
* Stop heartbeat monitoring
*/
stopHeartbeatMonitoring() {
if (this.heartbeatTimer) {
clearInterval(this.heartbeatTimer);
this.heartbeatTimer = null;
}
}
/**
* Build SSE stream URL with channels
*/
buildUrl() {
const baseUrl = '/sse/stream';
const channelParam = this.channels.join(',');
return `${baseUrl}?channels=${encodeURIComponent(channelParam)}`;
}
/**
* Register event handler
*
* @param {string} eventType - Event type to listen for
* @param {function} handler - Event handler function
*/
on(eventType, handler) {
if (!this.eventHandlers.has(eventType)) {
this.eventHandlers.set(eventType, new Set());
// Register EventSource listener
if (this.eventSource) {
this.eventSource.addEventListener(eventType, (e) => {
this.handleEvent(eventType, e);
});
}
}
this.eventHandlers.get(eventType).add(handler);
return () => this.off(eventType, handler);
}
/**
* Unregister event handler
*/
off(eventType, handler) {
const handlers = this.eventHandlers.get(eventType);
if (handlers) {
handlers.delete(handler);
}
}
/**
* Handle incoming event
*/
handleEvent(eventType, event) {
const handlers = this.eventHandlers.get(eventType);
if (!handlers || handlers.size === 0) return;
let data;
try {
data = JSON.parse(event.data);
} catch (e) {
console.error('[SSE] Failed to parse event data', e);
return;
}
handlers.forEach(handler => {
try {
handler(data, event);
} catch (e) {
console.error('[SSE] Event handler error', e);
}
});
}
/**
* Set connection state
*/
setState(newState) {
const oldState = this.state;
this.state = newState;
if (oldState !== newState) {
this.stateChangeHandlers.forEach(handler => {
try {
handler(newState, oldState);
} catch (e) {
console.error('[SSE] State change handler error', e);
}
});
}
}
/**
* Register state change handler
*/
onStateChange(handler) {
this.stateChangeHandlers.add(handler);
return () => this.stateChangeHandlers.delete(handler);
}
/**
* Get current connection state
*/
getState() {
return this.state;
}
/**
* Check if connected
*/
isConnected() {
return this.state === ConnectionState.CONNECTED;
}
/**
* Get connection ID
*/
getConnectionId() {
return this.connectionId;
}
/**
* Subscribe to additional channels (requires reconnect)
*/
addChannels(...newChannels) {
const added = newChannels.filter(ch => !this.channels.includes(ch));
if (added.length > 0) {
this.channels.push(...added);
if (this.isConnected()) {
console.log('[SSE] Reconnecting with new channels:', added);
this.disconnect();
this.connect();
}
}
}
/**
* Unsubscribe from channels (requires reconnect)
*/
removeChannels(...channelsToRemove) {
const before = this.channels.length;
this.channels = this.channels.filter(ch => !channelsToRemove.includes(ch));
if (this.channels.length !== before && this.isConnected()) {
console.log('[SSE] Reconnecting with removed channels');
this.disconnect();
this.connect();
}
}
}
/**
* Global SSE client instance
*/
let globalSseClient = null;
/**
* Get or create global SSE client
*/
export function getGlobalSseClient(channels = []) {
if (!globalSseClient) {
globalSseClient = new SseClient(channels);
}
return globalSseClient;
}
/**
* Initialize global SSE client and connect
*/
export function initSse(channels = [], autoConnect = true) {
globalSseClient = new SseClient(channels);
if (autoConnect) {
globalSseClient.connect();
}
return globalSseClient;
}
export default {
SseClient,
getGlobalSseClient,
initSse,
ConnectionState
};

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/**
* Web Push Manager Module
*
* Handles Web Push Notification subscriptions and management.
*/
export class WebPushManager {
constructor(options = {}) {
this.apiBase = options.apiBase || '/api/push';
this.serviceWorkerUrl = options.serviceWorkerUrl || '/js/sw-push.js';
this.vapidPublicKey = options.vapidPublicKey || null;
this.onSubscriptionChange = options.onSubscriptionChange || null;
}
/**
* Initialize Web Push Manager
*/
async init() {
if (!('serviceWorker' in navigator)) {
throw new Error('Service Workers are not supported in this browser');
}
if (!('PushManager' in window)) {
throw new Error('Push API is not supported in this browser');
}
// Register Service Worker
await this.registerServiceWorker();
// Get VAPID public key from server if not provided
if (!this.vapidPublicKey) {
await this.fetchVapidPublicKey();
}
// Check current subscription status
const subscription = await this.getSubscription();
if (this.onSubscriptionChange) {
this.onSubscriptionChange(subscription);
}
return subscription !== null;
}
/**
* Register Service Worker
*/
async registerServiceWorker() {
try {
const registration = await navigator.serviceWorker.register(this.serviceWorkerUrl);
console.log('[WebPush] Service Worker registered', registration);
return registration;
} catch (error) {
console.error('[WebPush] Service Worker registration failed', error);
throw error;
}
}
/**
* Fetch VAPID public key from server
*/
async fetchVapidPublicKey() {
try {
const response = await fetch(`${this.apiBase}/vapid-key`);
const data = await response.json();
if (!data.public_key) {
throw new Error('VAPID public key not available');
}
this.vapidPublicKey = data.public_key;
console.log('[WebPush] VAPID public key fetched');
} catch (error) {
console.error('[WebPush] Failed to fetch VAPID public key', error);
throw error;
}
}
/**
* Request notification permission
*/
async requestPermission() {
const permission = await Notification.requestPermission();
console.log('[WebPush] Permission:', permission);
if (permission !== 'granted') {
throw new Error('Notification permission denied');
}
return permission;
}
/**
* Subscribe to push notifications
*/
async subscribe() {
try {
// Request permission first
await this.requestPermission();
// Get Service Worker registration
const registration = await navigator.serviceWorker.ready;
// Check if already subscribed
let subscription = await registration.pushManager.getSubscription();
if (subscription) {
console.log('[WebPush] Already subscribed', subscription);
} else {
// Subscribe
subscription = await registration.pushManager.subscribe({
userVisibleOnly: true,
applicationServerKey: this.urlBase64ToUint8Array(this.vapidPublicKey)
});
console.log('[WebPush] Subscribed', subscription);
}
// Send subscription to server
await this.sendSubscriptionToServer(subscription);
if (this.onSubscriptionChange) {
this.onSubscriptionChange(subscription);
}
return subscription;
} catch (error) {
console.error('[WebPush] Subscription failed', error);
throw error;
}
}
/**
* Unsubscribe from push notifications
*/
async unsubscribe() {
try {
const registration = await navigator.serviceWorker.ready;
const subscription = await registration.pushManager.getSubscription();
if (!subscription) {
console.log('[WebPush] Not subscribed');
return false;
}
// Unsubscribe from browser
const success = await subscription.unsubscribe();
if (success) {
console.log('[WebPush] Unsubscribed from browser');
// Remove from server
await this.removeSubscriptionFromServer(subscription);
if (this.onSubscriptionChange) {
this.onSubscriptionChange(null);
}
}
return success;
} catch (error) {
console.error('[WebPush] Unsubscribe failed', error);
throw error;
}
}
/**
* Get current subscription
*/
async getSubscription() {
try {
const registration = await navigator.serviceWorker.ready;
return await registration.pushManager.getSubscription();
} catch (error) {
console.error('[WebPush] Failed to get subscription', error);
return null;
}
}
/**
* Check if subscribed
*/
async isSubscribed() {
const subscription = await this.getSubscription();
return subscription !== null;
}
/**
* Send test notification
*/
async sendTestNotification(title, body) {
try {
const subscription = await this.getSubscription();
if (!subscription) {
throw new Error('Not subscribed');
}
const response = await fetch(`${this.apiBase}/test`, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
endpoint: subscription.endpoint,
title: title || 'Test Notification',
body: body || 'This is a test notification!'
})
});
const result = await response.json();
console.log('[WebPush] Test notification sent', result);
return result;
} catch (error) {
console.error('[WebPush] Test notification failed', error);
throw error;
}
}
/**
* Send subscription to server
*/
async sendSubscriptionToServer(subscription) {
try {
const subscriptionJson = subscription.toJSON();
const response = await fetch(`${this.apiBase}/subscribe`, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify(subscriptionJson)
});
if (!response.ok) {
throw new Error(`Server returned ${response.status}`);
}
const result = await response.json();
console.log('[WebPush] Subscription sent to server', result);
return result;
} catch (error) {
console.error('[WebPush] Failed to send subscription to server', error);
throw error;
}
}
/**
* Remove subscription from server
*/
async removeSubscriptionFromServer(subscription) {
try {
const response = await fetch(`${this.apiBase}/unsubscribe`, {
method: 'POST',
headers: {
'Content-Type': 'application/json'
},
body: JSON.stringify({
endpoint: subscription.endpoint
})
});
if (!response.ok) {
throw new Error(`Server returned ${response.status}`);
}
const result = await response.json();
console.log('[WebPush] Subscription removed from server', result);
return result;
} catch (error) {
console.error('[WebPush] Failed to remove subscription from server', error);
throw error;
}
}
/**
* Convert Base64 URL to Uint8Array (for VAPID key)
*/
urlBase64ToUint8Array(base64String) {
const padding = '='.repeat((4 - base64String.length % 4) % 4);
const base64 = (base64String + padding)
.replace(/-/g, '+')
.replace(/_/g, '/');
const rawData = window.atob(base64);
const outputArray = new Uint8Array(rawData.length);
for (let i = 0; i < rawData.length; ++i) {
outputArray[i] = rawData.charCodeAt(i);
}
return outputArray;
}
/**
* Get notification permission status
*/
getPermissionStatus() {
return Notification.permission;
}
/**
* Check if browser supports Web Push
*/
static isSupported() {
return ('serviceWorker' in navigator) && ('PushManager' in window);
}
}
export default WebPushManager;

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/**
* Web Push Module Entry Point
*/
import { WebPushManager } from './WebPushManager.js';
export { WebPushManager };
/**
* Initialize WebPush Module
* Called by framework module system
*/
export function init(config = {}, context = null) {
const apiBase = config.apiBase || '/api/push';
// Use absolute path from site root
// This ensures the Service Worker has the correct scope
const serviceWorkerUrl = config.serviceWorkerUrl || '/js/sw-push.js';
// Check browser support
if (!WebPushManager.isSupported()) {
console.warn('⚠️ WebPush not supported in this browser');
console.warn('Service Worker support:', 'serviceWorker' in navigator);
console.warn('Push Manager support:', 'PushManager' in window);
return null;
}
try {
// Create global instance
window.webPushManager = new WebPushManager({
apiBase,
serviceWorkerUrl,
onSubscriptionChange: (subscription) => {
console.log('🔔 Push subscription changed:', subscription ? 'Subscribed' : 'Unsubscribed');
}
});
console.log('🔔 WebPush Manager initialized (use window.webPushManager)');
console.log('Service Worker URL:', serviceWorkerUrl);
console.log('API Base:', apiBase);
console.log('');
console.log('💡 Usage:');
console.log(' await window.webPushManager.init() // Initialize and register service worker');
console.log(' await window.webPushManager.subscribe() // Subscribe to notifications');
console.log(' await window.webPushManager.unsubscribe() // Unsubscribe');
console.log(' await window.webPushManager.sendTestNotification() // Send test');
return window.webPushManager;
} catch (error) {
console.error('❌ Failed to initialize WebPush Manager:', error);
return null;
}
}

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<div class="simple-form-wrapper" data-live-component="{{component_id}}">
<div class="alert alert-success" role="alert" if="success_message">
{{success_message}}
</div>
<div class="alert alert-error" role="alert" if="errors">
<ul>
<for items="errors" as="error">
<li>{{error}}</li>
</for>
</ul>
</div>
<!-- Form wird hier per RequestFormGenerator eingefügt -->
<div id="form-container-{{component_id}}">
<!-- Placeholder - wird vom Controller gefüllt -->
</div>
</div>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>LiveComponents Test</title>
<style>
body {
font-family: system-ui, -apple-system, sans-serif;
background: #f5f5f5;
margin: 0;
padding: 2rem;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
text-align: center;
margin-bottom: 3rem;
}
.header h1 {
margin: 0 0 0.5rem 0;
color: #333;
}
.header p {
margin: 0;
color: #666;
}
.test-section {
background: white;
padding: 2rem;
border-radius: 8px;
margin-bottom: 2rem;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.test-section h2 {
margin-top: 0;
color: #333;
border-bottom: 2px solid #007bff;
padding-bottom: 0.5rem;
}
.feature-list {
list-style: none;
padding: 0;
margin: 1rem 0;
}
.feature-list li {
padding: 0.5rem 0;
display: flex;
align-items: center;
}
.feature-list li:before {
content: "";
color: #28a745;
font-weight: bold;
margin-right: 0.5rem;
}
.code-example {
background: #f8f9fa;
padding: 1rem;
border-radius: 4px;
border-left: 4px solid #007bff;
margin: 1rem 0;
font-family: monospace;
font-size: 0.875rem;
}
.instructions {
background: #e3f2fd;
border: 1px solid #2196f3;
border-radius: 4px;
padding: 1rem;
margin: 1rem 0;
}
.instructions h3 {
margin-top: 0;
color: #1976d2;
}
.status {
display: inline-block;
padding: 0.25rem 0.75rem;
border-radius: 4px;
font-size: 0.875rem;
font-weight: 500;
}
.status-success {
background: #d4edda;
color: #155724;
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>><EFBFBD> LiveComponents Test Suite</h1>
<p>Zero-Dependency Interactive Components</p>
<span class="status status-success">System Active</span>
</div>
<div class="test-section">
<h2>=<EFBFBD> Test Component: Counter</h2>
<div class="instructions">
<h3>Test Instructions:</h3>
<ul>
<li>Click <strong>+ Increment</strong> to increase counter</li>
<li>Click <strong>- Decrement</strong> to decrease counter</li>
<li>Click <strong>Reset</strong> to set counter to 0</li>
<li>Enter a number and click <strong>Add Amount</strong> to add custom value</li>
<li>Watch for auto-polling updates every 10 seconds</li>
</ul>
</div>
{!! counter.toHtml() !!}
<div style="margin-top: 2rem;">
<h3>Features Demonstrated:</h3>
<ul class="feature-list">
<li>Action Handling (increment, decrement, reset)</li>
<li>Form Submission (addAmount with parameter)</li>
<li>State Management (count, last_update)</li>
<li>Polling (auto-updates every 10 seconds)</li>
<li>DOM Updates (live HTML replacement)</li>
</ul>
</div>
<div class="code-example">
<strong>Component ID:</strong> {!! counter.getId() !!}<br>
<strong>Template:</strong> Framework/LiveComponents/Templates/counter.view.php<br>
<strong>Class:</strong> App\Application\Components\CounterComponent
</div>
</div>
<div class="test-section">
<h2>=<EFBFBD> Technical Details</h2>
<h3>Architecture:</h3>
<div class="code-example">
final readonly class CounterComponent implements LiveComponentContract, Pollable
{
use LiveComponentTrait;
public function render(): string { /* ... */ }
public function increment(): array { /* ... */ }
public function poll(): array { /* ... */ }
}
</div>
<h3>Routes:</h3>
<ul class="feature-list">
<li>POST /live-component/{id} - Action Handler</li>
<li>POST /live-component/{id}/upload - Upload Handler</li>
<li>GET /test/livecomponents - This page</li>
</ul>
<h3>JavaScript:</h3>
<ul class="feature-list">
<li>/public/js/live-components.js (~3KB)</li>
<li>/public/js/sse-client.js (~2KB)</li>
<li>Zero external dependencies</li>
</ul>
</div>
<div class="test-section">
<h2>=<EFBFBD> Browser Console</h2>
<p>Open your browser's Developer Console (F12) to see:</p>
<ul class="feature-list">
<li>Component initialization logs</li>
<li>Action execution traces</li>
<li>Polling activity</li>
<li>State updates</li>
</ul>
</div>
</div>
<!-- LiveComponents JavaScript -->
<script src="/js/live-components.js"></script>
<script src="/js/sse-client.js"></script>
<script>
// Log component initialization
console.log('LiveComponents Test Suite Loaded');
console.log('Available:', {
liveComponents: window.liveComponents,
sseManager: window.sseManager
});
// Custom event listener example
document.addEventListener('component:updated', (e) => {
console.log('Component updated:', e.detail);
});
</script>
</body>
</html>

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>X-Component Syntax Demo</title>
<style>
body {
font-family: system-ui, -apple-system, sans-serif;
max-width: 1200px;
margin: 0 auto;
padding: 2rem;
background: #f5f5f5;
}
.demo-section {
background: white;
padding: 2rem;
margin-bottom: 2rem;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.demo-section h2 {
margin-top: 0;
color: #333;
border-bottom: 2px solid #007bff;
padding-bottom: 0.5rem;
}
.demo-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 1rem;
margin-top: 1rem;
}
.component-example {
border: 1px solid #dee2e6;
padding: 1rem;
border-radius: 4px;
background: #f8f9fa;
}
.component-example h3 {
margin-top: 0;
font-size: 0.9rem;
color: #666;
text-transform: uppercase;
letter-spacing: 0.5px;
}
code {
background: #e9ecef;
padding: 0.2rem 0.4rem;
border-radius: 3px;
font-size: 0.9em;
}
.badge {
display: inline-block;
padding: 0.25rem 0.5rem;
border-radius: 4px;
font-size: 0.875rem;
font-weight: 500;
}
.badge-live { background: #d4edda; color: #155724; }
.badge-html { background: #cce5ff; color: #004085; }
</style>
</head>
<body>
<h1>🎨 X-Component Syntax Demo</h1>
<p>
This page demonstrates the <strong>unified <code>&lt;x-*&gt;</code> syntax</strong> that works with
both LiveComponents (interactive) and HTML Components (static).
</p>
<!-- LiveComponents Section -->
<div class="demo-section">
<h2>
<span class="badge badge-live">LiveComponents</span>
Interactive & Stateful
</h2>
<p>
LiveComponents are <strong>interactive</strong> and maintain <strong>state</strong>.
They support actions, real-time updates, and server-sent events.
</p>
<div class="demo-grid">
<!-- Counter Component -->
<div class="component-example">
<h3>Counter Component</h3>
<p>Simple counter with increment/decrement actions.</p>
<x-counter id="demo-counter" initialValue="0" />
<br>
<code>&lt;x-counter id="demo-counter" initialValue="0" /&gt;</code>
</div>
<!-- DataTable Component -->
<div class="component-example">
<h3>DataTable Component</h3>
<p>Interactive data table with pagination and sorting.</p>
<x-datatable id="users-table" page="1" pageSize="10" />
<br>
<code>&lt;x-datatable id="users-table" page="1" pageSize="10" /&gt;</code>
</div>
<!-- Search Component -->
<div class="component-example">
<h3>Search Component</h3>
<p>Live search with debouncing and results.</p>
<x-search id="main-search" placeholder="Search..." />
<br>
<code>&lt;x-search id="main-search" placeholder="Search..." /&gt;</code>
</div>
</div>
<h3>Type Coercion Examples</h3>
<p>LiveComponents automatically convert attribute values to proper types:</p>
<ul>
<li><code>page="1"</code> → <code>int: 1</code></li>
<li><code>enabled="true"</code> → <code>bool: true</code></li>
<li><code>filters='["active"]'</code> → <code>array: ["active"]</code></li>
<li><code>config='{"limit":10}'</code> → <code>object: {limit: 10}</code></li>
</ul>
</div>
<!-- HTML Components Section -->
<div class="demo-section">
<h2>
<span class="badge badge-html">HTML Components</span>
Static & Fast
</h2>
<p>
HTML Components are <strong>stateless</strong> and render to <strong>static HTML</strong>.
Perfect for simple UI elements like buttons, badges, and cards.
</p>
<div class="demo-grid">
<!-- Button Component -->
<div class="component-example">
<h3>Button Component</h3>
<p>Styled buttons with variants.</p>
<x-button variant="primary">Primary Button</x-button>
<x-button variant="secondary">Secondary</x-button>
<x-button variant="danger">Danger</x-button>
<br><br>
<code>&lt;x-button variant="primary"&gt;Primary Button&lt;/x-button&gt;</code>
</div>
<!-- Badge Component -->
<div class="component-example">
<h3>Badge Component</h3>
<p>Small status indicators.</p>
<x-badge variant="success">Active</x-badge>
<x-badge variant="warning">Pending</x-badge>
<x-badge variant="danger">Error</x-badge>
<br><br>
<code>&lt;x-badge variant="success"&gt;Active&lt;/x-badge&gt;</code>
</div>
<!-- Card Component -->
<div class="component-example">
<h3>Card Component</h3>
<p>Content containers.</p>
<x-card title="User Profile">
This is a card with a title and content.
</x-card>
<br>
<code>&lt;x-card title="User Profile"&gt;...&lt;/x-card&gt;</code>
</div>
</div>
</div>
<!-- Mixed Usage Section -->
<div class="demo-section">
<h2>🔗 Mixed Usage</h2>
<p>
You can <strong>combine both types</strong> in the same template!
The XComponentProcessor automatically detects which type to use.
</p>
<div class="component-example">
<h3>Real-World Example</h3>
<p>A typical dashboard widget combining static and interactive components:</p>
<x-card title="User Statistics">
<p>Current users online:</p>
<x-counter id="online-users" initialValue="42" />
<br><br>
<x-button variant="primary">Refresh Stats</x-button>
<x-button variant="secondary">Export Data</x-button>
</x-card>
<br>
<pre><code>&lt;x-card title="User Statistics"&gt;
&lt;p&gt;Current users online:&lt;/p&gt;
&lt;x-counter id="online-users" initialValue="42" /&gt;
&lt;x-button variant="primary"&gt;Refresh Stats&lt;/x-button&gt;
&lt;x-button variant="secondary"&gt;Export Data&lt;/x-button&gt;
&lt;/x-card&gt;</code></pre>
</div>
</div>
<!-- Benefits Section -->
<div class="demo-section">
<h2>✨ Benefits</h2>
<div class="demo-grid">
<div>
<h3>🚀 Modern Syntax</h3>
<p>Clean, Laravel/Tempest-inspired syntax that's familiar to modern developers.</p>
</div>
<div>
<h3>🔄 Auto-Detection</h3>
<p>Automatically determines if component is LiveComponent or HTML Component.</p>
</div>
<div>
<h3>⚡ Type Safety</h3>
<p>Automatic type coercion and prop validation for LiveComponents.</p>
</div>
<div>
<h3>🎯 Single Syntax</h3>
<p>One syntax for both stateful and stateless components.</p>
</div>
<div>
<h3>🛡️ Error Handling</h3>
<p>Helpful error messages in development, graceful failures in production.</p>
</div>
<div>
<h3>📝 IDE Support</h3>
<p>Easy to autocomplete and syntax highlight in modern editors.</p>
</div>
</div>
</div>
<!-- Documentation Section -->
<div class="demo-section">
<h2>📚 Documentation</h2>
<p>
For complete documentation, see
<code>docs/claude/x-component-syntax.md</code>
</p>
<h3>Quick Reference</h3>
<table style="width: 100%; border-collapse: collapse;">
<thead>
<tr style="background: #f8f9fa;">
<th style="padding: 0.5rem; text-align: left; border: 1px solid #dee2e6;">Component Type</th>
<th style="padding: 0.5rem; text-align: left; border: 1px solid #dee2e6;">Syntax</th>
<th style="padding: 0.5rem; text-align: left; border: 1px solid #dee2e6;">Use Case</th>
</tr>
</thead>
<tbody>
<tr>
<td style="padding: 0.5rem; border: 1px solid #dee2e6;">LiveComponent</td>
<td style="padding: 0.5rem; border: 1px solid #dee2e6;"><code>&lt;x-name id="..." /&gt;</code></td>
<td style="padding: 0.5rem; border: 1px solid #dee2e6;">Interactive UI (datatables, forms, counters)</td>
</tr>
<tr>
<td style="padding: 0.5rem; border: 1px solid #dee2e6;">HTML Component</td>
<td style="padding: 0.5rem; border: 1px solid #dee2e6;"><code>&lt;x-name&gt;content&lt;/x-name&gt;</code></td>
<td style="padding: 0.5rem; border: 1px solid #dee2e6;">Static HTML (buttons, badges, cards)</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>