'use strict';

// npm install gulp gulp-eslint-new

const { src }       = require('gulp');
const gulpESLintNew = require('gulp-eslint-new');

function lintNFix() {
	return src('demo/**/*.js')
		.pipe(gulpESLintNew({ fix: true }))
		.pipe(gulpESLintNew.format())
		// If a file has a fix, overwrite it.
		.pipe(gulpESLintNew.fix());
}

function flagNFix() {
	// Fix only when the option "--fix" is specified in the command line.
	const hasFixFlag = process.argv.slice(2).includes('--fix');
	return src('demo/**/*.js')
		.pipe(gulpESLintNew({ fix: hasFixFlag }))
		.pipe(gulpESLintNew.format())
		// If a file has a fix, overwrite it.
		.pipe(gulpESLintNew.fix());
}

module.exports = {
	'default': lintNFix,
	'lint-n-fix': lintNFix,
	'flag-n-fix': flagNFix
};