'use strict';
/* eslint-disable no-for-of-loops/no-for-of-loops */const path = require('path');
const {promisify} = require('util');
const glob = promisify(require('glob'));
const {ESLint} = require('eslint');
// Lint the final build artifacts. Helps catch bugs in our build pipeline.function getFormat(filepath) {
if (filepath.includes('facebook')) {
if (filepath.includes('shims')) {
// We don't currently lint these shims. We rely on the downstream Facebook
// repo to transform them.
// TODO: Should we lint them?
return null;
}return 'fb';
}if (filepath.includes('react-native')) {
if (filepath.includes('shims')) {
// We don't currently lint these shims. We rely on the downstream Facebook
// repo to transform them.
// TODO: Should we lint them?
return null;
}return 'rn';
}if (filepath.includes('cjs')) {
if (
filepath.includes('react-server-dom-webpack-plugin') ||
filepath.includes('react-server-dom-webpack-node-register') ||
filepath.includes('react-suspense-test-utils')
) {return 'cjs2015';
}return 'cjs';
}if (filepath.includes('esm')) {
return 'esm';
}if (filepath.includes('umd')) {
return 'umd';
}if (
filepath.includes('oss-experimental') ||
filepath.includes('oss-stable')
) {// If a file in one of the open source channels doesn't match an earlier,
// more specific rule, then assume it's CommonJS.
return 'cjs';
}throw new Error('Could not find matching lint format for file: ' + filepath);
}function getESLintInstance(format) {
return new ESLint({
useEslintrc: false,
overrideConfigFile: path.join(__dirname, `eslintrc.${format}.js`),
ignore: false,
});}async function lint(eslint, filepaths) {
const results = await eslint.lintFiles(filepaths);
if (
results.some(result => result.errorCount > 0 || result.warningCount > 0)
) {process.exitCode = 1;
console.log(`Lint failed`);
const formatter = await eslint.loadFormatter('stylish');
const resultText = formatter.format(results);
console.log(resultText);
}}async function lintEverything() {
console.log(`Linting build artifacts...`);
const allFilepaths = await glob('build/**/*.js');
const pathsByFormat = new Map();
for (const filepath of allFilepaths) {
const format = getFormat(filepath);
if (format !== null) {
const paths = pathsByFormat.get(format);
if (paths === undefined) {
pathsByFormat.set(format, [filepath]);
} else {
paths.push(filepath);
}}}const promises = [];
for (const [format, filepaths] of pathsByFormat) {
const eslint = getESLintInstance(format);
promises.push(lint(eslint, filepaths));
}await Promise.all(promises);
}lintEverything().catch(error => {
process.exitCode = 1;
console.error(error);
});