sussudio
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An unofficial VS Code Internal API
33 lines (32 loc) • 1.27 kB
JavaScript
/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as crypto from 'crypto';
import * as fs from 'fs';
import { once } from "../common/functional.mjs";
export async function checksum(path, sha1hash) {
const checksumPromise = new Promise((resolve, reject) => {
const input = fs.createReadStream(path);
const hash = crypto.createHash('sha1');
input.pipe(hash);
const done = once((err, result) => {
input.removeAllListeners();
hash.removeAllListeners();
if (err) {
reject(err);
}
else {
resolve(result);
}
});
input.once('error', done);
input.once('end', done);
hash.once('error', done);
hash.once('data', (data) => done(undefined, data.toString('hex')));
});
const hash = await checksumPromise;
if (hash !== sha1hash) {
throw new Error('Hash mismatch');
}
}