From 3a9f3c507ddd32bc75367c0a1242da7190cf7d88 Mon Sep 17 00:00:00 2001 From: Carlos Santos <4a.santos@gmail.com> Date: Thu, 8 May 2025 15:21:00 +0200 Subject: [PATCH] webcomponent: integrate PostCSS with Rollup and add error handling in OpenViduMeet component - Added rollup-plugin-postcss to handle CSS imports in the project. - Updated rollup.config.js to include PostCSS plugin for CSS injection and minification. - Created a new styles.css file for component styling. - Enhanced OpenViduMeet component to manage iframe loading states and display error messages. - Implemented cleanup method in EventsManager to remove event listeners. - Added TypeScript declaration for CSS module imports. --- frontend/webcomponent/package-lock.json | 1277 +++++++++++++++++ frontend/webcomponent/package.json | 1 + frontend/webcomponent/rollup.config.js | 56 +- .../webcomponent/src/assets/css/styles.css | 36 + .../src/components/EventsManager.ts | 4 + .../src/components/OpenViduMeet.ts | 103 +- frontend/webcomponent/src/css.d.ts | 4 + 7 files changed, 1459 insertions(+), 22 deletions(-) create mode 100644 frontend/webcomponent/src/assets/css/styles.css create mode 100644 frontend/webcomponent/src/css.d.ts diff --git a/frontend/webcomponent/package-lock.json b/frontend/webcomponent/package-lock.json index 0868c5f..47e8bf3 100644 --- a/frontend/webcomponent/package-lock.json +++ b/frontend/webcomponent/package-lock.json @@ -24,6 +24,7 @@ "jest-environment-jsdom": "^29.7.0", "playwright": "^1.50.1", "rollup": "^4.34.8", + "rollup-plugin-postcss": "^4.0.2", "ts-jest": "^29.2.5", "ts-jest-resolver": "^2.0.1", "ts-node": "^10.9.2", @@ -1696,6 +1697,16 @@ "node": ">= 10" } }, + "node_modules/@trysound/sax": { + "version": "0.2.0", + "resolved": "https://registry.npmjs.org/@trysound/sax/-/sax-0.2.0.tgz", + "integrity": "sha512-L7z9BgrNEcYyUYtF+HaEfiS5ebkh9jXqbszz7pC0hRBPaatV0XjSD3+eHrpqFemQfgwiFF0QPIarnIihIDn7OA==", + "dev": true, + "license": "ISC", + "engines": { + "node": 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See the compatibility table on MDN: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/sort#browser_compatibility", + "dev": true, + "license": "MIT" + }, "node_modules/stack-utils": { "version": "2.0.6", "resolved": "https://registry.npmjs.org/stack-utils/-/stack-utils-2.0.6.tgz", @@ -7669,6 +8866,13 @@ "node": ">=8" } }, + "node_modules/string-hash": { + "version": "1.1.3", + "resolved": "https://registry.npmjs.org/string-hash/-/string-hash-1.1.3.tgz", + "integrity": "sha512-kJUvRUFK49aub+a7T1nNE66EJbZBMnBgoC1UbCZ5n6bsZKBRga4KgBRTMn/pFkeCZSYtNeSyMxPDM0AXWELk2A==", + "dev": true, + "license": "CC0-1.0" + }, "node_modules/string-length": { "version": "4.0.2", "resolved": "https://registry.npmjs.org/string-length/-/string-length-4.0.2.tgz", @@ -7806,6 +9010,30 @@ "url": "https://github.com/sponsors/sindresorhus" } }, + "node_modules/style-inject": { + "version": "0.3.0", + "resolved": "https://registry.npmjs.org/style-inject/-/style-inject-0.3.0.tgz", + "integrity": "sha512-IezA2qp+vcdlhJaVm5SOdPPTUu0FCEqfNSli2vRuSIBbu5Nq5UvygTk/VzeCqfLz2Atj3dVII5QBKGZRZ0edzw==", + "dev": true, + "license": "MIT" + }, + "node_modules/stylehacks": { + "version": "5.1.1", + "resolved": "https://registry.npmjs.org/stylehacks/-/stylehacks-5.1.1.tgz", + "integrity": "sha512-sBpcd5Hx7G6seo7b1LkpttvTz7ikD0LlH5RmdcBNb6fFR0Fl7LQwHDFr300q4cwUqi+IYrFGmsIHieMBfnN/Bw==", + "dev": true, + "license": "MIT", + "dependencies": { + "browserslist": "^4.21.4", + "postcss-selector-parser": "^6.0.4" + }, + "engines": { + "node": "^10 || ^12 || >=14.0" + }, + "peerDependencies": { + "postcss": "^8.2.15" + } + }, "node_modules/supports-color": { "version": "7.2.0", "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz", @@ -7832,6 +9060,38 @@ "url": "https://github.com/sponsors/ljharb" } }, + "node_modules/svgo": { + "version": "2.8.0", + "resolved": "https://registry.npmjs.org/svgo/-/svgo-2.8.0.tgz", + "integrity": "sha512-+N/Q9kV1+F+UeWYoSiULYo4xYSDQlTgb+ayMobAXPwMnLvop7oxKMo9OzIrX5x3eS4L4f2UHhc9axXwY8DpChg==", + "dev": true, + "license": "MIT", + "dependencies": { + "@trysound/sax": "0.2.0", + "commander": "^7.2.0", + "css-select": "^4.1.3", + "css-tree": "^1.1.3", + "csso": "^4.2.0", + "picocolors": "^1.0.0", + "stable": "^0.1.8" + }, + "bin": { + "svgo": "bin/svgo" + }, + "engines": { + "node": ">=10.13.0" + } + }, + "node_modules/svgo/node_modules/commander": { + "version": "7.2.0", + "resolved": "https://registry.npmjs.org/commander/-/commander-7.2.0.tgz", + "integrity": "sha512-QrWXB+ZQSVPmIWIhtEO9H+gwHaMGYiF5ChvoJ+K9ZGHG/sVsa6yiesAD1GC/x46sET00Xlwo1u49RVVVzvcSkw==", + "dev": true, + "license": "MIT", + "engines": { + "node": ">= 10" + } + }, "node_modules/symbol-tree": { "version": "3.2.4", "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz", @@ -8349,6 +9609,13 @@ "requires-port": "^1.0.0" } }, + "node_modules/util-deprecate": { + "version": "1.0.2", + "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz", + "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==", + "dev": true, + "license": "MIT" + }, "node_modules/v8-compile-cache-lib": { "version": "3.0.1", "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz", @@ -8654,6 +9921,16 @@ "dev": true, "license": "ISC" }, + "node_modules/yaml": { + "version": "1.10.2", + "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.10.2.tgz", + "integrity": "sha512-r3vXyErRCYJ7wg28yvBY5VSoAF8ZvlcW9/BwUzEtUsjvX/DKs24dIkuwjtuprwJJHsbyUbLApepYTR1BN4uHrg==", + "dev": true, + "license": "ISC", + "engines": { + "node": ">= 6" + } + }, "node_modules/yargs": { "version": "17.7.2", "resolved": "https://registry.npmjs.org/yargs/-/yargs-17.7.2.tgz", diff --git a/frontend/webcomponent/package.json b/frontend/webcomponent/package.json index 56d9ff2..74cfb08 100644 --- a/frontend/webcomponent/package.json +++ b/frontend/webcomponent/package.json @@ -28,6 +28,7 @@ "jest-environment-jsdom": "^29.7.0", "playwright": "^1.50.1", "rollup": "^4.34.8", + "rollup-plugin-postcss": "^4.0.2", "ts-jest": "^29.2.5", "ts-jest-resolver": "^2.0.1", "ts-node": "^10.9.2", diff --git a/frontend/webcomponent/rollup.config.js b/frontend/webcomponent/rollup.config.js index 9946694..bcc850d 100644 --- a/frontend/webcomponent/rollup.config.js +++ b/frontend/webcomponent/rollup.config.js @@ -3,21 +3,67 @@ import resolve from '@rollup/plugin-node-resolve' import commonjs from '@rollup/plugin-commonjs' import typescript from '@rollup/plugin-typescript' import terser from '@rollup/plugin-terser' +import postcss from 'rollup-plugin-postcss' import fs from 'fs' +const production = !process.env.ROLLUP_WATCH + export default { input: 'src/index.ts', output: { file: './dist/openvidu-meet.bundle.min.js', format: 'iife', name: 'OpenViduMeet', - sourcemap: true + sourcemap: !production }, plugins: [ - resolve(), - commonjs(), - typescript({ tsconfig: './tsconfig.json' }), - terser(), + resolve({ + // Prioritize modern ES modules + mainFields: ['module', 'browser', 'main'] + }), + commonjs({ + // Optimize CommonJS conversion + transformMixedEsModules: true + }), + postcss({ + inject: true, // This injects the CSS into the JS bundle + minimize: true, + // Don't extract CSS to a separate file + extract: false + }), + typescript({ + tsconfig: './tsconfig.json', + declaration: false, + sourceMap: !production + }), + terser({ + ecma: 2020, // Use modern features when possible + compress: { + drop_console: production, // Remove console.logs in production + drop_debugger: production, + pure_getters: true, + unsafe: true, + passes: 3, // Multiple passes for better minification + toplevel: true // Enable top-level variable renaming + }, + // mangle: { + // properties: { + // regex: /^_|^iframe|^error|^load|^allowed|^command|^events/, // Mangle most internal properties + // reserved: [ + // 'connectedCallback', + // 'disconnectedCallback', // Web Component lifecycle methods + // 'shadowRoot', + // 'attachShadow', // Shadow DOM APIs + // 'attributes', + // 'setAttribute' // Standard element properties + // ] + // }, + // toplevel: true // Enable top-level variable renaming + // }, + format: { + comments: false // Remove all comments + } + }), { name: 'copy-bundle', writeBundle () { diff --git a/frontend/webcomponent/src/assets/css/styles.css b/frontend/webcomponent/src/assets/css/styles.css new file mode 100644 index 0000000..6bcec96 --- /dev/null +++ b/frontend/webcomponent/src/assets/css/styles.css @@ -0,0 +1,36 @@ +:host { + display: block; + width: 100%; + height: 100%; +} + +iframe { + width: 100%; + height: 100%; + border: none; +} + +.error-container { + display: flex; + flex-direction: column; + align-items: center; + justify-content: center; + height: 100%; + width: 100%; + background-color: #f8f8f8; + border: 1px solid #e0e0e0; + padding: 20px; + box-sizing: border-box; + text-align: center; +} + +.error-icon { + font-size: 48px; + margin-bottom: 16px; +} + +.error-message { + color: #d32f2f; + font-size: 16px; + max-width: 80%; +} diff --git a/frontend/webcomponent/src/components/EventsManager.ts b/frontend/webcomponent/src/components/EventsManager.ts index d484705..9f585d9 100644 --- a/frontend/webcomponent/src/components/EventsManager.ts +++ b/frontend/webcomponent/src/components/EventsManager.ts @@ -11,6 +11,10 @@ export class EventsManager { window.addEventListener('message', this.handleMessage.bind(this)); } + public cleanup() { + window.removeEventListener('message', this.handleMessage); + } + private handleMessage(event: MessageEvent) { const message: OutboundEventMessage = event.data; // Validate message origin (security measure) diff --git a/frontend/webcomponent/src/components/OpenViduMeet.ts b/frontend/webcomponent/src/components/OpenViduMeet.ts index 8c31672..f030076 100644 --- a/frontend/webcomponent/src/components/OpenViduMeet.ts +++ b/frontend/webcomponent/src/components/OpenViduMeet.ts @@ -2,6 +2,7 @@ import { WebComponentCommand } from '../models/command.model'; import { InboundCommandMessage } from '../models/message.type'; import { CommandsManager } from './CommandsManager'; import { EventsManager } from './EventsManager'; +import styles from '../assets/css/styles.css'; /** * The `OpenViduMeet` web component provides an interface for embedding an OpenVidu Meet room within a web page. @@ -27,7 +28,11 @@ export class OpenViduMeet extends HTMLElement { private iframe: HTMLIFrameElement; private commandsManager: CommandsManager; private eventsManager: EventsManager; + //!FIXME: Insecure by default private allowedOrigin: string = '*'; + private loadTimeout: any; + private iframeLoaded = false; + private errorMessage: string | null = null; constructor() { super(); @@ -52,30 +57,81 @@ export class OpenViduMeet extends HTMLElement { this.updateIframeSrc(); } - private render() { - const style = document.createElement('style'); - style.textContent = ` - :host { - display: block; - width: 100%; - height: 100%; + disconnectedCallback() { + // Clean up resources + if (this.loadTimeout) { + clearTimeout(this.loadTimeout); } - iframe { - width: 100%; - height: 100%; - border: none; - } - `; - this.shadowRoot?.appendChild(style); - this.shadowRoot?.appendChild(this.iframe); - this.iframe.onload = () => { + this.eventsManager.cleanup(); + } + + /** + * Renders the Web Component in the shadow DOM + */ + private render() { + // Add styles + const styleElement = document.createElement('style'); + styleElement.textContent = styles; + this.shadowRoot?.appendChild(styleElement); + + if (this.errorMessage) { + const errorContainer = document.createElement('div'); + errorContainer.className = 'error-container'; + + const errorIcon = document.createElement('div'); + errorIcon.className = 'error-icon'; + errorIcon.textContent = '⚠️'; + + const errorMessageEl = document.createElement('div'); + errorMessageEl.className = 'error-message'; + errorMessageEl.textContent = this.errorMessage; + + errorContainer.appendChild(errorIcon); + errorContainer.appendChild(errorMessageEl); + this.shadowRoot?.appendChild(errorContainer); + } else { + // Configure the iframe and Add it to the DOM + this.setupIframe(); + this.shadowRoot?.appendChild(this.iframe); + } + } + + /** + * Sets up the iframe with error handlers and loading timeout + */ + private setupIframe() { + // Clear any previous timeout + if (this.loadTimeout) { + clearTimeout(this.loadTimeout); + } + + // Reset states + this.iframeLoaded = false; + + // Set up load handlers + this.iframe.onload = (event: Event) => { + console.warn('Iframe loaded', event); const message: InboundCommandMessage = { command: WebComponentCommand.INITIALIZE, payload: { domain: window.location.origin } }; this.commandsManager.sendMessage(message); + this.iframeLoaded = true; + clearTimeout(this.loadTimeout); + this.loadTimeout = null; this.iframe.onload = null; }; + // this.iframe.onload = this.handleIframeLoaded.bind(this); + this.iframe.onerror = (event: Event | string) => { + console.error('Iframe error:', event); + clearTimeout(this.loadTimeout); + this.showErrorState('Failed to load meeting'); + }; + + // Set loading timeout + this.loadTimeout = setTimeout(() => { + if (!this.iframeLoaded) this.showErrorState('Loading timed out'); + }, 10_000); } private updateIframeSrc() { @@ -99,7 +155,20 @@ export class OpenViduMeet extends HTMLElement { this.iframe.src = url.toString(); } - // Public methods + /** + * Shows error state in the component UI + */ + private showErrorState(message: string) { + this.errorMessage = message; + // Re-render to show error state + while (this.shadowRoot?.firstChild) { + this.shadowRoot.removeChild(this.shadowRoot.firstChild); + } + this.render(); + } + + // ---- WebComponent Commands ---- + // These methods send commands to the OpenVidu Meet iframe. public endMeeting() { const message: InboundCommandMessage = { command: WebComponentCommand.END_MEETING }; diff --git a/frontend/webcomponent/src/css.d.ts b/frontend/webcomponent/src/css.d.ts new file mode 100644 index 0000000..1ddc173 --- /dev/null +++ b/frontend/webcomponent/src/css.d.ts @@ -0,0 +1,4 @@ +declare module '*.css' { + const content: string; + export default content; + } \ No newline at end of file