diff options
Diffstat (limited to 'node_modules/minimist/index.js')
| -rw-r--r-- | node_modules/minimist/index.js | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/node_modules/minimist/index.js b/node_modules/minimist/index.js new file mode 100644 index 0000000..6a0559d --- /dev/null +++ b/node_modules/minimist/index.js @@ -0,0 +1,236 @@ +module.exports = function (args, opts) { + if (!opts) opts = {}; + + var flags = { bools : {}, strings : {}, unknownFn: null }; + + if (typeof opts['unknown'] === 'function') { + flags.unknownFn = opts['unknown']; + } + + if (typeof opts['boolean'] === 'boolean' && opts['boolean']) { + flags.allBools = true; + } else { + [].concat(opts['boolean']).filter(Boolean).forEach(function (key) { + flags.bools[key] = true; + }); + } + + var aliases = {}; + Object.keys(opts.alias || {}).forEach(function (key) { + aliases[key] = [].concat(opts.alias[key]); + aliases[key].forEach(function (x) { + aliases[x] = [key].concat(aliases[key].filter(function (y) { + return x !== y; + })); + }); + }); + + [].concat(opts.string).filter(Boolean).forEach(function (key) { + flags.strings[key] = true; + if (aliases[key]) { + flags.strings[aliases[key]] = true; + } + }); + + var defaults = opts['default'] || {}; + + var argv = { _ : [] }; + Object.keys(flags.bools).forEach(function (key) { + setArg(key, defaults[key] === undefined ? false : defaults[key]); + }); + + var notFlags = []; + + if (args.indexOf('--') !== -1) { + notFlags = args.slice(args.indexOf('--')+1); + args = args.slice(0, args.indexOf('--')); + } + + function argDefined(key, arg) { + return (flags.allBools && /^--[^=]+$/.test(arg)) || + flags.strings[key] || flags.bools[key] || aliases[key]; + } + + function setArg (key, val, arg) { + if (arg && flags.unknownFn && !argDefined(key, arg)) { + if (flags.unknownFn(arg) === false) return; + } + + var value = !flags.strings[key] && isNumber(val) + ? Number(val) : val + ; + setKey(argv, key.split('.'), value); + + (aliases[key] || []).forEach(function (x) { + setKey(argv, x.split('.'), value); + }); + } + + function setKey (obj, keys, value) { + var o = obj; + keys.slice(0,-1).forEach(function (key) { + if (o[key] === undefined) o[key] = {}; + o = o[key]; + }); + + var key = keys[keys.length - 1]; + if (o[key] === undefined || flags.bools[key] || typeof o[key] === 'boolean') { + o[key] = value; + } + else if (Array.isArray(o[key])) { + o[key].push(value); + } + else { + o[key] = [ o[key], value ]; + } + } + + function aliasIsBoolean(key) { + return aliases[key].some(function (x) { + return flags.bools[x]; + }); + } + + for (var i = 0; i < args.length; i++) { + var arg = args[i]; + + if (/^--.+=/.test(arg)) { + // Using [\s\S] instead of . because js doesn't support the + // 'dotall' regex modifier. See: + // http://stackoverflow.com/a/1068308/13216 + var m = arg.match(/^--([^=]+)=([\s\S]*)$/); + var key = m[1]; + var value = m[2]; + if (flags.bools[key]) { + value = value !== 'false'; + } + setArg(key, value, arg); + } + else if (/^--no-.+/.test(arg)) { + var key = arg.match(/^--no-(.+)/)[1]; + setArg(key, false, arg); + } + else if (/^--.+/.test(arg)) { + var key = arg.match(/^--(.+)/)[1]; + var next = args[i + 1]; + if (next !== undefined && !/^-/.test(next) + && !flags.bools[key] + && !flags.allBools + && (aliases[key] ? !aliasIsBoolean(key) : true)) { + setArg(key, next, arg); + i++; + } + else if (/^(true|false)$/.test(next)) { + setArg(key, next === 'true', arg); + i++; + } + else { + setArg(key, flags.strings[key] ? '' : true, arg); + } + } + else if (/^-[^-]+/.test(arg)) { + var letters = arg.slice(1,-1).split(''); + + var broken = false; + for (var j = 0; j < letters.length; j++) { + var next = arg.slice(j+2); + + if (next === '-') { + setArg(letters[j], next, arg) + continue; + } + + if (/[A-Za-z]/.test(letters[j]) && /=/.test(next)) { + setArg(letters[j], next.split('=')[1], arg); + broken = true; + break; + } + + if (/[A-Za-z]/.test(letters[j]) + && /-?\d+(\.\d*)?(e-?\d+)?$/.test(next)) { + setArg(letters[j], next, arg); + broken = true; + break; + } + + if (letters[j+1] && letters[j+1].match(/\W/)) { + setArg(letters[j], arg.slice(j+2), arg); + broken = true; + break; + } + else { + setArg(letters[j], flags.strings[letters[j]] ? '' : true, arg); + } + } + + var key = arg.slice(-1)[0]; + if (!broken && key !== '-') { + if (args[i+1] && !/^(-|--)[^-]/.test(args[i+1]) + && !flags.bools[key] + && (aliases[key] ? !aliasIsBoolean(key) : true)) { + setArg(key, args[i+1], arg); + i++; + } + else if (args[i+1] && /true|false/.test(args[i+1])) { + setArg(key, args[i+1] === 'true', arg); + i++; + } + else { + setArg(key, flags.strings[key] ? '' : true, arg); + } + } + } + else { + if (!flags.unknownFn || flags.unknownFn(arg) !== false) { + argv._.push( + flags.strings['_'] || !isNumber(arg) ? arg : Number(arg) + ); + } + if (opts.stopEarly) { + argv._.push.apply(argv._, args.slice(i + 1)); + break; + } + } + } + + Object.keys(defaults).forEach(function (key) { + if (!hasKey(argv, key.split('.'))) { + setKey(argv, key.split('.'), defaults[key]); + + (aliases[key] || []).forEach(function (x) { + setKey(argv, x.split('.'), defaults[key]); + }); + } + }); + + if (opts['--']) { + argv['--'] = new Array(); + notFlags.forEach(function(key) { + argv['--'].push(key); + }); + } + else { + notFlags.forEach(function(key) { + argv._.push(key); + }); + } + + return argv; +}; + +function hasKey (obj, keys) { + var o = obj; + keys.slice(0,-1).forEach(function (key) { + o = (o[key] || {}); + }); + + var key = keys[keys.length - 1]; + return key in o; +} + +function isNumber (x) { + if (typeof x === 'number') return true; + if (/^0x[0-9a-f]+$/i.test(x)) return true; + return /^[-+]?(?:\d+(?:\.\d*)?|\.\d+)(e[-+]?\d+)?$/.test(x); +} + |