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prettier.js
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prettier.js
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/**
* Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
const path = require('path');
const chalk = require('chalk');
const glob = require('glob');
const runCommand = require('./_runCommand');
const shouldWrite = process.argv[2] === 'write';
const isWindows = process.platform === 'win32';
const prettier = isWindows ? 'prettier.cmd' : 'prettier';
const prettierCmd = path.resolve(__dirname, '../node_modules/.bin/' + prettier);
const defaultOptions = {
'bracket-spacing': 'false',
'print-width': 80,
'single-quote': 'true',
'trailing-comma': 'all',
};
const config = {
default: {
ignore: ['**/node_modules/**'],
patterns: [
'packages/*/src/**/',
'types/',
'integration_tests/',
'integration_tests/__tests__/',
],
},
es5Compatible: {
ignore: [
'**/node_modules/**',
'**/coverage/**',
'integration_tests/*',
'integration_tests/__tests__/*',
],
options: {
'trailing-comma': 'es5',
},
patterns: [
'examples/**/',
'scripts/**/',
'integration_tests/**/',
'website/server/*',
'website/layout/*',
],
},
};
Object.keys(config).forEach(key => {
const patterns = config[key].patterns;
const options = config[key].options;
const ignore = config[key].ignore;
const globPattern = patterns.length > 1
? `{${patterns.join(',')}}*.js`
: `${patterns.join(',')}*.js`;
const files = glob.sync(globPattern, {ignore});
const args = Object.keys(defaultOptions)
.map(key => `--${key}=${(options && options[key]) || defaultOptions[key]}`)
.concat(`--${shouldWrite ? 'write' : 'l'}`, files);
try {
runCommand(prettierCmd, args, path.resolve(__dirname, '..'));
} catch (e) {
console.log(e);
if (!shouldWrite) {
console.log(
chalk.red(
` This project uses prettier to format all JavaScript code.\n`
) +
chalk.dim(` Please run `) +
chalk.reset('yarn prettier') +
chalk.dim(` and add changes to files listed above to your commit.`) +
`\n`
);
}
}
});