mirror of https://git.tuxpa.in/a/code-server.git
44 lines
1.4 KiB
TypeScript
44 lines
1.4 KiB
TypeScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import { MessagePoster } from './messaging';
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export class StyleLoadingMonitor {
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private unloadedStyles: string[] = [];
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private finishedLoading: boolean = false;
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private poster?: MessagePoster;
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constructor() {
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const onStyleLoadError = (event: any) => {
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const source = event.target.dataset.source;
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this.unloadedStyles.push(source);
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};
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window.addEventListener('DOMContentLoaded', () => {
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for (const link of document.getElementsByClassName('code-user-style') as HTMLCollectionOf<HTMLElement>) {
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if (link.dataset.source) {
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link.onerror = onStyleLoadError;
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}
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}
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});
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window.addEventListener('load', () => {
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if (!this.unloadedStyles.length) {
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return;
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}
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this.finishedLoading = true;
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if (this.poster) {
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this.poster.postMessage('previewStyleLoadError', { unloadedStyles: this.unloadedStyles });
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}
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});
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}
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public setPoster(poster: MessagePoster): void {
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this.poster = poster;
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if (this.finishedLoading) {
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poster.postMessage('previewStyleLoadError', { unloadedStyles: this.unloadedStyles });
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}
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}
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}
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