10up-toolkit/scripts/lint-js.js

Collection of reusable scripts for 10up development.

/**
 * External dependencies
 */
const { sync: spawn } = require('cross-spawn');
const { sync: resolveBin } = require('resolve-bin');

/**
 * Internal dependencies
 */
const {
	fromConfigRoot,
	getArgsFromCLI,
	hasArgInCLI,
	hasFileArgInCLI,
	hasPackageProp,
	hasProjectFile,
} = require('../utils');

const args = getArgsFromCLI();

const defaultFilesArgs = hasFileArgInCLI() ? [] : ['.'];

// See: https://eslint.org/docs/user-guide/configuring#using-configuration-files-1.
const hasLintConfig =
	hasArgInCLI('-c') ||
	hasArgInCLI('--config') ||
	hasProjectFile('.eslintrc.js') ||
	hasProjectFile('.eslintrc.json') ||
	hasProjectFile('.eslintrc.yaml') ||
	hasProjectFile('.eslintrc.yml') ||
	hasProjectFile('eslintrc.config.js') ||
	hasProjectFile('.eslintrc') ||
	hasPackageProp('eslintConfig');

// When a configuration is not provided by the project, use from the default
// provided with the scripts module. Instruct ESLint to avoid discovering via
// the `--no-eslintrc` flag, as otherwise it will still merge with inherited.
const defaultConfigArgs = !hasLintConfig
	? ['--no-eslintrc', '--config', fromConfigRoot('.eslintrc.js')]
	: [];

// See: https://eslint.org/docs/user-guide/configuring#ignoring-files-and-directories.
const hasIgnoredFiles = hasArgInCLI('--ignore-path') || hasProjectFile('.eslintignore');

const defaultIgnoreArgs = !hasIgnoredFiles
	? ['--ignore-path', fromConfigRoot('.eslintignore')]
	: [];

const result = spawn(
	resolveBin('eslint'),
	[...defaultConfigArgs, ...defaultIgnoreArgs, ...args, ...defaultFilesArgs],
	{ stdio: 'inherit' },
);

process.exit(result.status);