mirror of https://github.com/thangisme/notes.git
96 lines
2.8 KiB
JavaScript
Executable File
96 lines
2.8 KiB
JavaScript
Executable File
#!/usr/bin/env node
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var browserslist = require('./');
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var pkg = require('./package.json');
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var args = process.argv.slice(2);
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function isArg(arg) {
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return args.some(function (str) {
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return str === arg || str.indexOf(arg + '=') === 0;
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});
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}
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function getArgValue(arg) {
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var found = args.filter(function (str) {
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return str.indexOf(arg + '=') === 0;
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})[0];
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var value = found && found.split('=')[1];
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return value && value.replace(/^['"]|['"]$/g, '');
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}
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function error(msg) {
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process.stderr.write(pkg.name + ': ' + msg + '\n');
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process.exit(1);
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}
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function query(queries, opts) {
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try {
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return browserslist(queries, opts);
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} catch (e) {
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if ( e.name === 'BrowserslistError' ) {
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return error(e.message);
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} else {
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throw e;
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}
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}
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}
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if ( args.length === 0 || isArg('--help') || isArg('-h') ) {
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process.stdout.write([
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pkg.description,
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'',
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'Usage:',
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' ' + pkg.name + ' "QUERIES"',
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' ' + pkg.name + ' --coverage "QUERIES"',
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' ' + pkg.name + ' --coverage=US "QUERIES"',
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' ' + pkg.name + ' --config=browserslist "path/to/browserlist/file"',
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' ' + pkg.name + ' --env="environment name defined in config"',
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' ' + pkg.name + ' --stats="path/to/browserlist/stats/file"'
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].join('\n') + '\n');
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} else if ( isArg('--version') || isArg('-v') ) {
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process.stdout.write(pkg.name + ' ' + pkg.version + '\n');
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} else if ( isArg('--coverage') || isArg('-c') ) {
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var browsers = args.find(function (i) {
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return i[0] !== '-';
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});
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if ( !browsers ) error('Define a browsers query to get coverage');
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var country = getArgValue('--coverage') || getArgValue('-c');
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var result = browserslist.coverage(query(browsers), country);
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var round = Math.round(result * 100) / 100.0;
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var end = 'globally';
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if (country && country !== 'global') {
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end = 'in the ' + country.toUpperCase();
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}
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process.stdout.write(
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'These browsers account for ' + round + '% of all users ' + end + '\n');
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} else if ( args.length === 1 && args[0][0] !== '-' ) {
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query(args[0]).forEach(function (browser) {
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process.stdout.write(browser + '\n');
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});
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} else if (isArg('--config') || isArg('-b')) {
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var opts = {
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config: getArgValue('--config') || getArgValue('-b')
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};
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if (isArg('--env') || isArg('-e')) {
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opts.env = getArgValue('--env') || getArgValue('-e');
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}
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if (isArg('--stats') || isArg('-s')) {
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opts.stats = getArgValue('--stats') || getArgValue('-s');
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}
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query(null, opts).forEach(function (browser) {
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process.stdout.write(browser + '\n');
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});
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} else {
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error('Unknown arguments. Use --help to pick right one.');
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}
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