/
utils.js
81 lines (70 loc) · 1.85 KB
/
utils.js
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/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*
* @noflow
*/
'use strict';
const fs = require('fs');
const path = require('path');
function mkdirRecursive(dirPath) {
fs.mkdirSync(dirPath, { recursive: true });
}
function rmdirRecursive(dirPath) {
if (fs.existsSync(dirPath)) {
for (const dirent of fs.readdirSync(dirPath, { withFileTypes: true })) {
const fullPath = path.join(dirPath, dirent.name);
if (dirent.isDirectory()) {
rmdirRecursive(fullPath);
} else {
fs.unlinkSync(fullPath);
}
}
fs.rmdirSync(dirPath);
}
}
function readdirRecursive(dirPath, opts = {}) {
const { ignoreDir } = opts;
const result = [];
for (const dirent of fs.readdirSync(dirPath, { withFileTypes: true })) {
const name = dirent.name;
if (!dirent.isDirectory()) {
result.push(dirent.name);
continue;
}
if (ignoreDir && ignoreDir.test(name)) {
continue;
}
const list = readdirRecursive(path.join(dirPath, name), opts).map(f =>
path.join(name, f),
);
result.push(...list);
}
return result;
}
function writeFile(destPath, data) {
mkdirRecursive(path.dirname(destPath));
fs.writeFileSync(destPath, data);
}
function copyFile(srcPath, destPath) {
mkdirRecursive(path.dirname(destPath));
fs.copyFileSync(srcPath, destPath);
}
function parseSemver(version) {
const match = /^(\d+)\.(\d+)\.(\d+)-?(.*)?$/.exec(version);
if (!match) {
throw new Error('Version does not match semver spec: ' + version);
}
const [, major, minor, patch, preReleaseTag] = match;
return { major, minor, patch, preReleaseTag };
}
module.exports = {
copyFile,
writeFile,
rmdirRecursive,
mkdirRecursive,
readdirRecursive,
parseSemver,
};