code-server/lib/vscode/extensions/git/src/emoji.ts

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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
'use strict';
import { workspace, Uri } from 'vscode';
import { getExtensionContext } from './main';
import { TextDecoder } from 'util';
const emojiRegex = /:([-+_a-z0-9]+):/g;
let emojiMap: Record<string, string> | undefined;
let emojiMapPromise: Promise<void> | undefined;
export async function ensureEmojis() {
if (emojiMap === undefined) {
if (emojiMapPromise === undefined) {
emojiMapPromise = loadEmojiMap();
}
await emojiMapPromise;
}
}
async function loadEmojiMap() {
const context = getExtensionContext();
const uri = (Uri as any).joinPath(context.extensionUri, 'resources', 'emojis.json');
emojiMap = JSON.parse(new TextDecoder('utf8').decode(await workspace.fs.readFile(uri)));
}
export function emojify(message: string) {
if (emojiMap === undefined) {
return message;
}
return message.replace(emojiRegex, (s, code) => {
return emojiMap?.[code] || s;
});
}