JezK
Edit File: js-yaml
#!/usr/bin/node 'use strict'; /*eslint-disable no-console*/ var fs = require('fs'); var argparse = require('argparse'); var yaml = require('..'); //////////////////////////////////////////////////////////////////////////////// var cli = new argparse.ArgumentParser({ prog: 'js-yaml', add_help: true }); cli.add_argument('-v', '--version', { action: 'version', version: require('../package.json').version }); cli.add_argument('-c', '--compact', { help: 'Display errors in compact mode', action: 'store_true' }); // deprecated (not needed after we removed output colors) // option suppressed, but not completely removed for compatibility cli.add_argument('-j', '--to-json', { help: argparse.SUPPRESS, dest: 'json', action: 'store_true' }); cli.add_argument('-t', '--trace', { help: 'Show stack trace on error', action: 'store_true' }); cli.add_argument('file', { help: 'File to read, utf-8 encoded without BOM', nargs: '?', default: '-' }); //////////////////////////////////////////////////////////////////////////////// var options = cli.parse_args(); //////////////////////////////////////////////////////////////////////////////// function readFile(filename, encoding, callback) { if (options.file === '-') { // read from stdin var chunks = []; process.stdin.on('data', function (chunk) { chunks.push(chunk); }); process.stdin.on('end', function () { return callback(null, Buffer.concat(chunks).toString(encoding)); }); } else { fs.readFile(filename, encoding, callback); } } readFile(options.file, 'utf8', function (error, input) { var output, isYaml; if (error) { if (error.code === 'ENOENT') { console.error('File not found: ' + options.file); process.exit(2); } console.error( options.trace && error.stack || error.message || String(error)); process.exit(1); } try { output = JSON.parse(input); isYaml = false; } catch (err) { if (err instanceof SyntaxError) { try { output = []; yaml.loadAll(input, function (doc) { output.push(doc); }, {}); isYaml = true; if (output.length === 0) output = null; else if (output.length === 1) output = output[0]; } catch (e) { if (options.trace && err.stack) console.error(e.stack); else console.error(e.toString(options.compact)); process.exit(1); } } else { console.error( options.trace && err.stack || err.message || String(err)); process.exit(1); } } if (isYaml) console.log(JSON.stringify(output, null, ' ')); else console.log(yaml.dump(output)); });