diff options
Diffstat (limited to 'node_modules/js-yaml/bin/js-yaml.js')
-rwxr-xr-x | node_modules/js-yaml/bin/js-yaml.js | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/node_modules/js-yaml/bin/js-yaml.js b/node_modules/js-yaml/bin/js-yaml.js new file mode 100755 index 0000000..a182f1a --- /dev/null +++ b/node_modules/js-yaml/bin/js-yaml.js @@ -0,0 +1,126 @@ +#!/usr/bin/env 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)); +}); |