40 lines
1.2 KiB
TypeScript
40 lines
1.2 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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'use strict';
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import { workspace, Uri } from 'vscode';
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import { getExtensionContext } from './main';
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import { TextDecoder } from 'util';
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const emojiRegex = /:([-+_a-z0-9]+):/g;
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let emojiMap: Record<string, string> | undefined;
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let emojiMapPromise: Promise<void> | undefined;
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export async function ensureEmojis() {
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if (emojiMap === undefined) {
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if (emojiMapPromise === undefined) {
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emojiMapPromise = loadEmojiMap();
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}
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await emojiMapPromise;
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}
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}
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async function loadEmojiMap() {
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const context = getExtensionContext();
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const uri = (Uri as any).joinPath(context.extensionUri, 'resources', 'emojis.json');
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emojiMap = JSON.parse(new TextDecoder('utf8').decode(await workspace.fs.readFile(uri)));
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}
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export function emojify(message: string) {
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if (emojiMap === undefined) {
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return message;
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}
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return message.replace(emojiRegex, (s, code) => {
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return emojiMap?.[code] || s;
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});
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}
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