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const glob = require('glob');
const prettier = require('prettier');
const fs = require('fs');
const path = require('path');
const prettierIgnore = require('ignore')();
const getStagedFiles = require('./frontend_script_utils').getStagedFiles;
const mode = process.argv[2] || 'check';
const shouldSave = mode === 'save' || mode === 'save-all';
const allFiles = mode === 'check-all' || mode === 'save-all';
const config = {
patterns: ['**/*.js', '**/*.vue', '**/*.scss'],
/*
* The ignore patterns below are just to reduce search time with glob, as it includes the
* folders with the most ignored assets, the actual `.prettierignore` will be used later on
*/
ignore: ['**/node_modules/**', '**/vendor/**', '**/public/**'],
parsers: {
js: 'babylon',
vue: 'vue',
scss: 'css',
},
};
/*
* Unfortunately the prettier API does not expose support for `.prettierignore` files, they however
* use the ignore package, so we do the same. We simply cannot use the glob package, because
* gitignore style is not compatible with globs ignore style.
*/
prettierIgnore.add(
fs
.readFileSync(path.join(__dirname, '../../', '.prettierignore'))
.toString()
.trim()
.split(/\r?\n/)
);
const availableExtensions = Object.keys(config.parsers);
console.log(`Loading ${allFiles ? 'All' : 'Staged'} Files ...`);
const stagedFiles = allFiles ? null : getStagedFiles(availableExtensions.map(ext => `*.${ext}`));
if (stagedFiles) {
if (!stagedFiles.length || (stagedFiles.length === 1 && !stagedFiles[0])) {
console.log('No matching staged files.');
return;
}
console.log(`Matching staged Files : ${stagedFiles.length}`);
}
let didWarn = false;
let didError = false;
let files;
if (allFiles) {
const ignore = config.ignore;
const patterns = config.patterns;
const globPattern = patterns.length > 1 ? `{${patterns.join(',')}}` : `${patterns.join(',')}`;
files = glob.sync(globPattern, { ignore }).filter(f => allFiles || stagedFiles.includes(f));
} else {
files = stagedFiles.filter(f => availableExtensions.includes(f.split('.').pop()));
}
files = prettierIgnore.filter(files);
if (!files.length) {
console.log('No Files found to process with Prettier');
return;
}
console.log(`${shouldSave ? 'Updating' : 'Checking'} ${files.length} file(s)`);
prettier
.resolveConfig('.')
.then(options => {
console.log('Found options : ', options);
files.forEach(file => {
try {
const fileExtension = file.split('.').pop();
Object.assign(options, {
parser: config.parsers[fileExtension],
});
const input = fs.readFileSync(file, 'utf8');
if (shouldSave) {
const output = prettier.format(input, options);
if (output !== input) {
fs.writeFileSync(file, output, 'utf8');
console.log(`Prettified : ${file}`);
}
} else if (!prettier.check(input, options)) {
if (!didWarn) {
console.log(
'\n===============================\nGitLab uses Prettier to format all JavaScript code.\nPlease format each file listed below or run "yarn prettier-staged-save"\n===============================\n'
);
didWarn = true;
}
console.log(`Prettify Manually : ${file}`);
}
} catch (error) {
didError = true;
console.log(`\n\nError with ${file}: ${error.message}`);
}
});
if (didWarn || didError) {
process.exit(1);
}
})
.catch(e => {
console.log(`Error on loading the Config File: ${e.message}`);
process.exit(1);
});
|
