3 var browserslist = require('./')
4 var pkg = require('./package.json')
5 var args = process.argv.slice(2)
7 var USAGE = 'Usage:\n' +
8 ' ' + pkg.name + '\n' +
9 ' ' + pkg.name + ' "QUERIES"\n' +
10 ' ' + pkg.name + ' --config="path/to/browserlist/file"\n' +
11 ' ' + pkg.name + ' --coverage "QUERIES"\n' +
12 ' ' + pkg.name + ' --coverage=US "QUERIES"\n' +
13 ' ' + pkg.name + ' --env="environment name defined in config"\n' +
14 ' ' + pkg.name + ' --stats="path/to/browserlist/stats/file"'
16 function isArg (arg) {
17 return args.some(function (str) {
18 return str === arg || str.indexOf(arg + '=') === 0
22 function error (msg) {
23 process.stderr.write(pkg.name + ': ' + msg + '\n')
27 if (isArg('--help') || isArg('-h')) {
28 process.stdout.write(pkg.description + '.\n\n' + USAGE + '\n')
29 } else if (isArg('--version') || isArg('-v')) {
30 process.stdout.write(pkg.name + ' ' + pkg.version + '\n')
37 for (var i = 0; i < args.length; i++) {
38 if (args[i][0] !== '-') {
39 queries = args[i].replace(/^['"]|['"]$/g, '')
43 var arg = args[i].split('=')
47 if (value) value = value.replace(/^['"]|['"]$/g, '')
49 if (name === '--config' || name === '-b') {
51 } else if (name === '--env' || name === '-e') {
53 } else if (name === '--stats' || name === '-s') {
55 } else if (name === '--coverage' || name === '-c') {
57 if (value) country = value
59 error('Unknown arguments ' + args[i] + '.\n\n' + USAGE)
63 if (!queries && !opts.config) {
64 if (browserslist.findConfig(process.cwd())) {
65 opts.path = process.cwd()
68 'Browserslist config did not found. ' +
69 'Define queries or config path.' +
77 browsers = browserslist(queries, opts)
79 if (e.name === 'BrowserslistError') {
86 if (mode === 'browsers') {
87 browsers.forEach(function (browser) {
88 process.stdout.write(browser + '\n')
91 var result = browserslist.coverage(browsers, country)
92 var round = Math.round(result * 100) / 100.0
95 if (country && country !== 'global') {
96 end = 'in the ' + country.toUpperCase()
100 'These browsers account for ' + round + '% of all users ' +