gitlab-org--gitlab-foss/scripts/frontend/prettier.js
Mike Greiling c46b791911
Remove node 6 trailing comma support
This removes trailing commas from node scripts which previously
omitted them for compatiblity with node 6
2019-03-11 14:16:41 -05:00

116 lines
3.6 KiB
JavaScript

const glob = require('glob');
const prettier = require('prettier');
const fs = require('fs');
const { getStagedFiles } = require('./frontend_script_utils');
const matchExtensions = ['js', 'vue'];
// This will improve glob performance by excluding certain directories.
// The .prettierignore file will also be respected, but after the glob has executed.
const globIgnore = ['**/node_modules/**', 'vendor/**', 'public/**'];
const readFileAsync = (file, options) =>
new Promise((resolve, reject) => {
fs.readFile(file, options, function(err, data) {
if (err) reject(err);
else resolve(data);
});
});
const writeFileAsync = (file, data, options) =>
new Promise((resolve, reject) => {
fs.writeFile(file, data, options, function(err) {
if (err) reject(err);
else resolve();
});
});
const mode = process.argv[2] || 'check';
const shouldSave = mode === 'save' || mode === 'save-all';
const allFiles = mode === 'check-all' || mode === 'save-all';
let globDir = process.argv[3] || '';
if (globDir && globDir.charAt(globDir.length - 1) !== '/') globDir += '/';
console.log(
`Loading all ${allFiles ? '' : 'staged '}files ${globDir ? `within ${globDir} ` : ''}...`,
);
const globPatterns = matchExtensions.map(ext => `${globDir}**/*.${ext}`);
const matchedFiles = allFiles
? glob.sync(`{${globPatterns.join(',')}}`, { ignore: globIgnore })
: getStagedFiles(globPatterns);
const matchedCount = matchedFiles.length;
if (!matchedCount) {
console.log('No files found to process with prettier');
process.exit(0);
}
let didWarn = false;
let passedCount = 0;
let failedCount = 0;
let ignoredCount = 0;
console.log(`${shouldSave ? 'Updating' : 'Checking'} ${matchedCount} file(s)`);
const fixCommand = `yarn prettier-${allFiles ? 'all' : 'staged'}-save`;
const warningMessage = `
===============================
GitLab uses Prettier to format all JavaScript code.
Please format each file listed below or run "${fixCommand}"
===============================
`;
const checkFileWithOptions = (filePath, options) =>
readFileAsync(filePath, 'utf8').then(input => {
if (shouldSave) {
const output = prettier.format(input, options);
if (input === output) {
passedCount += 1;
} else {
return writeFileAsync(filePath, output, 'utf8').then(() => {
console.log(`Prettified : ${filePath}`);
failedCount += 1;
});
}
} else {
if (prettier.check(input, options)) {
passedCount += 1;
} else {
if (!didWarn) {
console.log(warningMessage);
didWarn = true;
}
console.log(`Prettify Manually : ${filePath}`);
failedCount += 1;
}
}
});
const checkFileWithPrettierConfig = filePath =>
prettier
.getFileInfo(filePath, { ignorePath: '.prettierignore' })
.then(({ ignored, inferredParser }) => {
if (ignored || !inferredParser) {
ignoredCount += 1;
return;
}
return prettier.resolveConfig(filePath).then(fileOptions => {
const options = { ...fileOptions, parser: inferredParser };
return checkFileWithOptions(filePath, options);
});
});
Promise.all(matchedFiles.map(checkFileWithPrettierConfig))
.then(() => {
const failAction = shouldSave ? 'fixed' : 'failed';
console.log(
`\nSummary:\n ${matchedCount} files processed (${passedCount} passed, ${failedCount} ${failAction}, ${ignoredCount} ignored)\n`,
);
if (didWarn) process.exit(1);
})
.catch(e => {
console.log(`\nAn error occurred while processing files with prettier: ${e.message}\n`);
process.exit(1);
});