48d43c7367
Summary: mass rename files Reviewed By: passy Differential Revision: D33890034 fbshipit-source-id: 1c654a4f7f5b83eaa56a8c11df863003e8d7bed7
88 lines
2.8 KiB
TypeScript
88 lines
2.8 KiB
TypeScript
/**
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*
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* @format
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*/
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import packlist from 'npm-packlist';
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import path from 'path';
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import crypto from 'crypto';
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import fs from 'fs-extra';
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export default async function computePackageChecksum(
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dir: string,
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checksumFilePath?: string,
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): Promise<string> {
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const fullChecksumFilePath = checksumFilePath
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? path.resolve(dir, checksumFilePath)
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: undefined;
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if (fullChecksumFilePath) {
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// This block is an optimisation to not recompute checksum if nothing changed.
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// tsbuildinfo file is changed every time when typescript compiler re-compiles anything,
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// so we could compare its modification date with checksum modification date to
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// decide whether we need to re-compute checksum or we can just use already computed one.
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const tsBuildInfoPath = path.join(dir, 'tsconfig.tsbuildinfo');
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try {
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const [tsBuildInfoStat, checksumStat] = await Promise.all([
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fs.stat(tsBuildInfoPath),
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fs.stat(fullChecksumFilePath),
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]);
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if (checksumStat.mtime > tsBuildInfoStat.mtime) {
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return (await fs.readFile(fullChecksumFilePath)).toString();
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}
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} catch {}
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}
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const hash = crypto.createHash('sha1');
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hash.setEncoding('hex');
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const files = (await packlist({path: dir})).sort();
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for (const file of files) {
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const segments = file.split(path.sep);
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if (segments.length > 0 && segments[0] === 'docs') {
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continue;
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}
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const filePath = path.resolve(dir, file);
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if (filePath === fullChecksumFilePath) {
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// If there is already existing checksum file, we need to ignore it as it is not a part of package content.
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continue;
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}
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// add hash of relative normalized file path
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hash.write(process.platform === 'win32' ? file.replace(/\\/g, '/') : file);
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if (file === 'package.json') {
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// add hash of package.json with version set to "0.0.0" to avoid changing hash when only version changed
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const packageJson = await fs.readJson(filePath);
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if (packageJson.version) {
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packageJson.version = '0.0.0';
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}
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if (packageJson.engines && packageJson.engines.flipper) {
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packageJson.engines.flipper = '0.0.0';
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}
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hash.write(JSON.stringify(packageJson));
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} else {
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// add hash of file content
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const stream = fs.createReadStream(filePath);
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try {
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stream.pipe(hash, {end: false});
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await new Promise((resolve, reject) => {
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stream.once('end', resolve);
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stream.once('error', reject);
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});
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} finally {
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stream.close();
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}
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}
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}
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hash.end();
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const checksum = hash.read();
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if (fullChecksumFilePath) {
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await fs.writeFile(fullChecksumFilePath, checksum);
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}
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return checksum;
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}
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