106 lines
2.8 KiB
JavaScript
106 lines
2.8 KiB
JavaScript
/**
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* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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'use strict';
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// Based on similar script in Jest
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// https://github.com/facebook/jest/blob/master/scripts/prettier.js
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const chalk = require('chalk');
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const glob = require('glob');
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const path = require('path');
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const execFileSync = require('child_process').execFileSync;
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const mode = process.argv[2] || 'check';
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const shouldWrite = mode === 'write' || mode === 'write-changed';
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const onlyChanged = mode === 'check-changed' || mode === 'write-changed';
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const isWindows = process.platform === 'win32';
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const prettier = isWindows ? 'prettier.cmd' : 'prettier';
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const prettierCmd = path.resolve(
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__dirname,
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'../../node_modules/.bin/' + prettier
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);
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const defaultOptions = {
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'bracket-spacing': 'false',
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'single-quote': 'true',
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'jsx-bracket-same-line': 'true',
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'trailing-comma': 'all',
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'print-width': 80,
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};
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const config = {
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default: {
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patterns: ['src/**/*.js'],
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ignore: ['**/third_party/**', '**/node_modules/**'],
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},
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scripts: {
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patterns: ['scripts/**/*.js'],
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ignore: ['scripts/bench/benchmarks/**'],
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options: {
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'trailing-comma': 'es5',
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},
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},
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};
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function exec(command, args) {
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console.log('> ' + [command].concat(args).join(' '));
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var options = {};
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return execFileSync(command, args, options).toString();
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}
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var mergeBase = exec('git', ['merge-base', 'HEAD', 'master']).trim();
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var changedFiles = new Set(
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exec('git', [
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'diff',
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'-z',
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'--name-only',
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'--diff-filter=ACMRTUB',
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mergeBase,
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]).match(/[^\0]+/g)
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);
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Object.keys(config).forEach(key => {
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const patterns = config[key].patterns;
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const options = config[key].options;
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const ignore = config[key].ignore;
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const globPattern = patterns.length > 1
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? `{${patterns.join(',')}}`
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: `${patterns.join(',')}`;
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const files = glob
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.sync(globPattern, {ignore})
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.filter(f => !onlyChanged || changedFiles.has(f));
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if (!files.length) {
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return;
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}
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const args = Object.keys(defaultOptions).map(
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k => `--${k}=${(options && options[k]) || defaultOptions[k]}`
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);
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args.push(`--${shouldWrite ? 'write' : 'l'}`);
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try {
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exec(prettierCmd, [...args, ...files]);
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} catch (e) {
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if (!shouldWrite) {
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console.log(
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'\n' +
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chalk.red(
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` This project uses prettier to format all JavaScript code.\n`
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) +
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chalk.dim(` Please run `) +
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chalk.reset('yarn prettier') +
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chalk.dim(` and add changes to files listed above to your commit.`) +
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`\n`
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);
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process.exit(1);
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}
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throw e;
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}
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});
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