coa - npm Package Compare versions

lib/coaobject.js

lib/coaparam.js

LICENSE

2

index.js

		@@ -1,1 +0,1 @@
		module.exports = require(process.env.COVER? './lib-cov' : './lib');
		module.exports = require('./lib');

203

lib/arg.js

		@@ -1,175 +0,58 @@
		// Generated by CoffeeScript 1.6.3
		var Arg, Cmd, Color, Opt;
		'use strict';

		Color = require('./color').Color;
		const
		CoaParam = require('./coaparam'),
		Color = require('./color');

		Cmd = require('./cmd').Cmd;

		Opt = require('./opt').Opt;

		/**
		Argument
		* Argument
		*
		* Unnamed entity. From command line arguments passed as list of unnamed values.
		*
		* @class Arg
		* @extends CoaParam
		*/
		module.exports = class Arg extends CoaParam {
		/**
		* @constructs
		* @param {COA.Cmd} cmd - parent command
		*/
		constructor(cmd) {
		super(cmd);

		Unnamed entity. From command line arguments passed as list of unnamed values.
		@namespace
		@class Presents argument
		*/
		this._cmd._args.push(this);
		}

		_saveVal(args, val) {
		this._val && (val = this._val(val));

		exports.Arg = Arg = (function() {
		/**
		@constructs
		@param {COA.Cmd} cmd parent command
		*/
		const name = this._name;
		this._arr
		? (args[name] \|\| (args[name] = [])).push(val)
		: (args[name] = val);

		function Arg(_cmd) {
		this._cmd = _cmd;
		this._cmd._args.push(this);
		}
		return val;
		}

		/**
		Set a canonical argument identifier to be used anywhere in text messages.
		@param {String} _name argument name
		@returns {COA.Arg} this instance (for chainability)
		*/
		_parse(arg, args) {
		return this._saveVal(args, arg);
		}

		_checkParsed(opts, args) {
		return !args.hasOwnProperty(this._name);
		}

		Arg.prototype.name = Opt.prototype.name;
		_usage() {
		const res = [];

		/**
		Set a long description for argument to be used anywhere in text messages.
		@param {String} _title argument title
		@returns {COA.Arg} this instance (for chainability)
		*/
		res.push(Color('lpurple', this._name.toUpperCase()), ' : ', this._title);

		this._req && res.push(' ', Color('lred', '(required)'));

		Arg.prototype.title = Cmd.prototype.title;
		return res.join('');
		}

		/**
		Makes an argument accepts multiple values.
		Otherwise, the value will be used by the latter passed.
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.arr = Opt.prototype.arr;

		/**
		Makes an argument required.
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.req = Opt.prototype.req;

		/**
		Set a validation (or value) function for argument.
		Value from command line passes through before becoming available from API.
		Using for validation and convertion simple types to any values.
		@param {Function} _val validating function,
		invoked in the context of argument instance
		and has one parameter with value from command line
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.val = Opt.prototype.val;

		/**
		Set a default value for argument.
		Default value passed through validation function as ordinary value.
		@param {Object} _def
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.def = Opt.prototype.def;

		/**
		Set custom additional completion for current argument.
		@param {Function} completion generation function,
		invoked in the context of argument instance.
		Accepts parameters:
		- {Object} opts completion options
		It can return promise or any other value treated as result.
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.comp = Cmd.prototype.comp;

		/**
		Make argument value inputting stream.
		It's add useful validation and shortcut for STDIN.
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.input = Opt.prototype.input;

		/**
		Make argument value outputing stream.
		It's add useful validation and shortcut for STDOUT.
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.output = Opt.prototype.output;

		Arg.prototype._parse = function(arg, args) {
		return this._saveVal(args, arg);
		};

		Arg.prototype._saveVal = Opt.prototype._saveVal;

		Arg.prototype._checkParsed = function(opts, args) {
		return !args.hasOwnProperty(this._name);
		};

		Arg.prototype._usage = function() {
		var res;
		res = [];
		res.push(Color('lpurple', this._name.toUpperCase()), ' : ', this._title);
		if (this._req) {
		res.push(' ', Color('lred', '(required)'));
		_requiredText() {
		return `Missing required argument:\n ${this._usage()}`;
		}
		return res.join('');
		};

		Arg.prototype._requiredText = function() {
		return 'Missing required argument:\n ' + this._usage();
		};

		/**
		Return rejected promise with error code.
		Use in .val() for return with error.
		@param {Object} reject reason
		You can customize toString() method and exitCode property
		of reason object.
		@returns {Q.promise} rejected promise
		*/


		Arg.prototype.reject = Cmd.prototype.reject;

		/**
		Finish chain for current option and return parent command instance.
		@returns {COA.Cmd} parent command
		*/


		Arg.prototype.end = Cmd.prototype.end;

		/**
		Apply function with arguments in context of arg instance.
		@param {Function} fn
		@param {Array} args
		@returns {COA.Arg} this instance (for chainability)
		*/


		Arg.prototype.apply = Cmd.prototype.apply;

		return Arg;

		})();
		};

915

lib/cmd.js

		@@ -1,605 +0,492 @@
		// Generated by CoffeeScript 1.6.3
		var Cmd, Color, PATH, Q, UTIL,
		__slice = [].slice;
		'use strict';

		UTIL = require('util');
		const
		UTIL = require('util'),
		PATH = require('path'),
		EOL = require('os').EOL,

		PATH = require('path');
		Q = require('q'),

		Color = require('./color').Color;
		CoaObject = require('./coaobject'),
		Color = require('./color'),
		Opt = require('./opt'),
		Arg = require('./arg'),
		completion = require('./completion');

		Q = require('q');

		/**
		Command
		* Command
		*
		* Top level entity. Commands may have options and arguments.
		*
		* @namespace
		* @class Cmd
		* @extends CoaObject
		*/
		class Cmd extends CoaObject {
		/**
		* @constructs
		* @param {COA.Cmd} [cmd] parent command
		*/
		constructor(cmd) {
		super(cmd);

		Top level entity. Commands may have options and arguments.
		@namespace
		@class Presents command
		*/
		this._parent(cmd);
		this._cmds = [];
		this._cmdsByName = {};
		this._opts = [];
		this._optsByKey = {};
		this._args = [];
		this._api = null;
		this._ext = false;
		}

		static create(cmd) {
		return new Cmd(cmd);
		}

		exports.Cmd = Cmd = (function() {
		/**
		@constructs
		@param {COA.Cmd} [cmd] parent command
		*/
		/**
		* Returns object containing all its subcommands as methods
		* to use from other programs.
		*
		* @returns {Object}
		*/
		get api() {
		// Need _this here because of passed arguments into _api
		const _this = this;
		this._api \|\| (this._api = function () {
		return _this.invoke.apply(_this, arguments);
		});

		function Cmd(cmd) {
		if (!(this instanceof Cmd)) {
		return new Cmd(cmd);
		const cmds = this._cmdsByName;
		Object.keys(cmds).forEach(cmd => { this._api[cmd] = cmds[cmd].api; });

		return this._api;
		}
		this._parent(cmd);
		this._cmds = [];
		this._cmdsByName = {};
		this._opts = [];
		this._optsByKey = {};
		this._args = [];
		this._ext = false;
		}

		Cmd.get = function(propertyName, func) {
		return Object.defineProperty(this.prototype, propertyName, {
		configurable: true,
		enumerable: true,
		get: func
		});
		};
		_parent(cmd) {
		this._cmd = cmd \|\| this;

		/**
		Returns object containing all its subcommands as methods
		to use from other programs.
		@returns {Object}
		*/
		this.isRootCmd \|\|
		cmd._cmds.push(this) &&
		this._name &&
		(this._cmd._cmdsByName[this._name] = this);


		Cmd.get('api', function() {
		var c, _fn,
		_this = this;
		if (!this._api) {
		this._api = function() {
		return _this.invoke.apply(_this, arguments);
		};
		return this;
		}
		_fn = function(c) {
		return _this._api[c] = _this._cmdsByName[c].api;
		};
		for (c in this._cmdsByName) {
		_fn(c);
		}
		return this._api;
		});

		Cmd.prototype._parent = function(cmd) {
		this._cmd = cmd \|\| this;
		if (cmd) {
		cmd._cmds.push(this);
		if (this._name) {
		this._cmd._cmdsByName[this._name] = this;
		}
		get isRootCmd() {
		return this._cmd === this;
		}
		return this;
		};

		/**
		Set a canonical command identifier to be used anywhere in the API.
		@param {String} _name command name
		@returns {COA.Cmd} this instance (for chainability)
		*/
		/**
		* Set a canonical command identifier to be used anywhere in the API.
		*
		* @param {String} name - command name
		* @returns {COA.Cmd} - this instance (for chainability)
		*/
		name(name) {
		super.name(name);

		this.isRootCmd \|\|
		(this._cmd._cmdsByName[name] = this);

		Cmd.prototype.name = function(_name) {
		this._name = _name;
		if (this._cmd !== this) {
		this._cmd._cmdsByName[_name] = this;
		return this;
		}
		return this;
		};

		/**
		Set a long description for command to be used anywhere in text messages.
		@param {String} _title command title
		@returns {COA.Cmd} this instance (for chainability)
		*/
		/**
		* Create new or add existing subcommand for current command.
		*
		* @param {COA.Cmd} [cmd] existing command instance
		* @returns {COA.Cmd} new subcommand instance
		*/
		cmd(cmd) {
		return cmd?
		cmd._parent(this)
		: new Cmd(this);
		}

		/**
		* Create option for current command.
		*
		* @returns {COA.Opt} new option instance
		*/
		opt() {
		return new Opt(this);
		}

		Cmd.prototype.title = function(_title) {
		this._title = _title;
		return this;
		};
		/**
		* Create argument for current command.
		*
		* @returns {COA.Opt} new argument instance
		*/
		arg() {
		return new Arg(this);
		}

		/**
		Create new or add existing subcommand for current command.
		@param {COA.Cmd} [cmd] existing command instance
		@returns {COA.Cmd} new subcommand instance
		*/
		/**
		* Add (or set) action for current command.
		*
		* @param {Function} act - action function,
		* invoked in the context of command instance
		* and has the parameters:
		* - {Object} opts - parsed options
		* - {String[]} args - parsed arguments
		* - {Object} res - actions result accumulator
		* It can return rejected promise by Cmd.reject (in case of error)
		* or any other value treated as result.
		* @param {Boolean} [force=false] flag for set action instead add to existings
		* @returns {COA.Cmd} - this instance (for chainability)
		*/
		act(act, force) {
		if(!act) return this;

		(!this._act \|\| force) && (this._act = []);
		this._act.push(act);

		Cmd.prototype.cmd = function(cmd) {
		if (cmd) {
		return cmd._parent(this);
		} else {
		return new Cmd(this);
		return this;
		}
		};

		/**
		Create option for current command.
		@returns {COA.Opt} new option instance
		*/
		/**
		* Make command "helpful", i.e. add -h --help flags for print usage.
		*
		* @returns {COA.Cmd} - this instance (for chainability)
		*/
		helpful() {
		return this.opt()
		.name('help')
		.title('Help')
		.short('h')
		.long('help')
		.flag()
		.only()
		.act(function() {
		return this.usage();
		})
		.end();
		}

		/**
		* Adds shell completion to command, adds "completion" subcommand,
		* that makes all the magic.
		* Must be called only on root command.
		*
		* @returns {COA.Cmd} - this instance (for chainability)
		*/
		completable() {
		return this.cmd()
		.name('completion')
		.apply(completion)
		.end();
		}

		Cmd.prototype.opt = function() {
		return new (require('./opt').Opt)(this);
		};
		/**
		* Allow command to be extendable by external node.js modules.
		*
		* @param {String} [pattern] Pattern of node.js module to find subcommands at.
		* @returns {COA.Cmd} - this instance (for chainability)
		*/
		extendable(pattern) {
		this._ext = pattern \|\| true;
		return this;
		}

		/**
		Create argument for current command.
		@returns {COA.Opt} new argument instance
		*/
		_exit(msg, code) {
		return process.once('exit', function() {
		msg && console[code === 0 ? 'log' : 'error'](msg);
		process.exit(code \|\| 0);
		});
		}

		/**
		* Build full usage text for current command instance.
		*
		* @returns {String} usage text
		*/
		usage() {
		const res = [];

		Cmd.prototype.arg = function() {
		return new (require('./arg').Arg)(this);
		};
		this._title && res.push(this._fullTitle());

		/**
		Add (or set) action for current command.
		@param {Function} act action function,
		invoked in the context of command instance
		and has the parameters:
		- {Object} opts parsed options
		- {Array} args parsed arguments
		- {Object} res actions result accumulator
		It can return rejected promise by Cmd.reject (in case of error)
		or any other value treated as result.
		@param {Boolean} [force=false] flag for set action instead add to existings
		@returns {COA.Cmd} this instance (for chainability)
		*/
		res.push('', 'Usage:');

		this._cmds.length
		&& res.push([
		'', '', Color('lred', this._fullName()), Color('lblue', 'COMMAND'),
		Color('lgreen', '[OPTIONS]'), Color('lpurple', '[ARGS]')
		].join(' '));

		Cmd.prototype.act = function(act, force) {
		if (!act) {
		return this;
		}
		if (!force && this._act) {
		this._act.push(act);
		} else {
		this._act = [act];
		}
		return this;
		};
		(this._opts.length + this._args.length)
		&& res.push([
		'', '', Color('lred', this._fullName()),
		Color('lgreen', '[OPTIONS]'), Color('lpurple', '[ARGS]')
		].join(' '));

		/**
		Set custom additional completion for current command.
		@param {Function} completion generation function,
		invoked in the context of command instance.
		Accepts parameters:
		- {Object} opts completion options
		It can return promise or any other value treated as result.
		@returns {COA.Cmd} this instance (for chainability)
		*/
		res.push(
		this._usages(this._cmds, 'Commands'),
		this._usages(this._opts, 'Options'),
		this._usages(this._args, 'Arguments')
		);

		return res.join(EOL);
		}

		Cmd.prototype.comp = function(_comp) {
		this._comp = _comp;
		return this;
		};
		_usage() {
		return Color('lblue', this._name) + ' : ' + this._title;
		}

		/**
		Apply function with arguments in context of command instance.
		@param {Function} fn
		@param {Array} args
		@returns {COA.Cmd} this instance (for chainability)
		*/
		_usages(os, title) {
		if(!os.length) return;

		return ['', title + ':']
		.concat(os.map(o => ` ${o._usage()}`))
		.join(EOL);
		}

		Cmd.prototype.apply = function() {
		var args, fn;
		fn = arguments[0], args = 2 <= arguments.length ? __slice.call(arguments, 1) : [];
		fn.apply(this, args);
		return this;
		};
		_fullTitle() {
		return `${this.isRootCmd? '' : this._cmd._fullTitle() + EOL}${this._title}`;
		}

		/**
		Make command "helpful", i.e. add -h --help flags for print usage.
		@returns {COA.Cmd} this instance (for chainability)
		*/
		_fullName() {
		return `${this.isRootCmd? '' : this._cmd._fullName() + ' '}${PATH.basename(this._name)}`;
		}

		_ejectOpt(opts, opt) {
		const pos = opts.indexOf(opt);
		if(pos === -1) return;

		Cmd.prototype.helpful = function() {
		return this.opt().name('help').title('Help').short('h').long('help').flag().only().act(function() {
		return this.usage();
		}).end();
		};
		return opts[pos]._arr?
		opts[pos] :
		opts.splice(pos, 1)[0];
		}

		/**
		Adds shell completion to command, adds "completion" subcommand,
		that makes all the magic.
		Must be called only on root command.
		@returns {COA.Cmd} this instance (for chainability)
		*/
		_checkRequired(opts, args) {
		if(this._opts.some(opt => opt._only && opts.hasOwnProperty(opt._name))) return;

		const all = this._opts.concat(this._args);
		let i;
		while(i = all.shift())
		if(i._req && i._checkParsed(opts, args))
		return this.reject(i._requiredText());
		}

		Cmd.prototype.completable = function() {
		return this.cmd().name('completion').apply(require('./completion')).end();
		};
		_parseCmd(argv, unparsed) {
		unparsed \|\| (unparsed = []);

		/**
		Allow command to be extendable by external node.js modules.
		@param {String} [pattern] Pattern of node.js module to find subcommands at.
		@returns {COA.Cmd} this instance (for chainability)
		*/
		let i,
		optSeen = false;
		while(i = argv.shift()) {
		i.indexOf('-') \|\| (optSeen = true);

		if(optSeen \|\| !/^\w[\w-_]*$/.test(i)) {
		unparsed.push(i);
		continue;
		}

		Cmd.prototype.extendable = function(pattern) {
		this._ext = pattern \|\| true;
		return this;
		};
		let pkg, cmd = this._cmdsByName[i];
		if(!cmd && this._ext) {
		if(this._ext === true) {
		pkg = i;
		let c = this;
		while(true) { // eslint-disable-line
		pkg = c._name + '-' + pkg;
		if(c.isRootCmd) break;
		c = c._cmd;
		}
		} else if(typeof this._ext === 'string')
		pkg = ~this._ext.indexOf('%s')?
		UTIL.format(this._ext, i) :
		this._ext + i;

		Cmd.prototype._exit = function(msg, code) {
		return process.once('exit', function() {
		if (msg) {
		console.error(msg);
		}
		return process.exit(code \|\| 0);
		});
		};
		let cmdDesc;
		try {
		cmdDesc = require(pkg);
		} catch(e) {
		// Dummy
		}

		/**
		Build full usage text for current command instance.
		@returns {String} usage text
		*/
		if(cmdDesc) {
		if(typeof cmdDesc === 'function') {
		this.cmd().name(i).apply(cmdDesc).end();
		} else if(typeof cmdDesc === 'object') {
		this.cmd(cmdDesc);
		cmdDesc.name(i);
		} else throw new Error('Error: Unsupported command declaration type, '
		+ 'should be a function or COA.Cmd() object');

		cmd = this._cmdsByName[i];
		}
		}

		Cmd.prototype.usage = function() {
		var res;
		res = [];
		if (this._title) {
		res.push(this._fullTitle());
		}
		res.push('', 'Usage:');
		if (this._cmds.length) {
		res.push(['', '', Color('lred', this._fullName()), Color('lblue', 'COMMAND'), Color('lgreen', '[OPTIONS]'), Color('lpurple', '[ARGS]')].join(' '));
		}
		if (this._opts.length + this._args.length) {
		res.push(['', '', Color('lred', this._fullName()), Color('lgreen', '[OPTIONS]'), Color('lpurple', '[ARGS]')].join(' '));
		}
		res.push(this._usages(this._cmds, 'Commands'), this._usages(this._opts, 'Options'), this._usages(this._args, 'Arguments'));
		return res.join('\n');
		};
		if(cmd) return cmd._parseCmd(argv, unparsed);

		Cmd.prototype._usage = function() {
		return Color('lblue', this._name) + ' : ' + this._title;
		};
		unparsed.push(i);
		}

		Cmd.prototype._usages = function(os, title) {
		var o, res, _i, _len;
		if (!os.length) {
		return;
		return { cmd : this, argv : unparsed };
		}
		res = ['', title + ':'];
		for (_i = 0, _len = os.length; _i < _len; _i++) {
		o = os[_i];
		res.push(' ' + o._usage());
		}
		return res.join('\n');
		};

		Cmd.prototype._fullTitle = function() {
		return (this._cmd === this ? '' : this._cmd._fullTitle() + '\n') + this._title;
		};
		_parseOptsAndArgs(argv) {
		const opts = {},
		args = {},
		nonParsedOpts = this._opts.concat(),
		nonParsedArgs = this._args.concat();

		Cmd.prototype._fullName = function() {
		return (this._cmd === this ? '' : this._cmd._fullName() + ' ') + PATH.basename(this._name);
		};
		let res, i;
		while(i = argv.shift()) {
		if(i !== '--' && i[0] === '-') {
		const m = i.match(/^(--\w[\w-_])=(.)$/);
		if(m) {
		i = m[1];
		this._optsByKey[i]._flag \|\| argv.unshift(m[2]);
		}

		Cmd.prototype._ejectOpt = function(opts, opt) {
		var pos;
		if ((pos = opts.indexOf(opt)) >= 0) {
		if (opts[pos]._arr) {
		return opts[pos];
		} else {
		return opts.splice(pos, 1)[0];
		}
		}
		};
		const opt = this._ejectOpt(nonParsedOpts, this._optsByKey[i]);
		if(!opt) return this.reject(`Unknown option: ${i}`);

		Cmd.prototype._checkRequired = function(opts, args) {
		var all, i;
		if (!(this._opts.filter(function(o) {
		return o._only && o._name in opts;
		})).length) {
		all = this._opts.concat(this._args);
		while (i = all.shift()) {
		if (i._req && i._checkParsed(opts, args)) {
		return this.reject(i._requiredText());
		}
		}
		}
		};
		if(Q.isRejected(res = opt._parse(argv, opts))) return res;

		Cmd.prototype._parseCmd = function(argv, unparsed) {
		var c, cmd, cmdDesc, e, i, optSeen, pkg;
		if (unparsed == null) {
		unparsed = [];
		}
		argv = argv.concat();
		optSeen = false;
		while (i = argv.shift()) {
		if (!i.indexOf('-')) {
		optSeen = true;
		}
		if (!optSeen && /^\w[\w-_]*$/.test(i)) {
		cmd = this._cmdsByName[i];
		if (!cmd && this._ext) {
		if (typeof this._ext === 'string') {
		if (~this._ext.indexOf('%s')) {
		pkg = UTIL.format(this._ext, i);
		} else {
		pkg = this._ext + i;
		continue;
		}
		} else if (this._ext === true) {
		pkg = i;
		c = this;
		while (true) {
		pkg = c._name + '-' + pkg;
		if (c._cmd === c) {
		break;
		}
		c = c._cmd;
		}
		}
		try {
		cmdDesc = require(pkg);
		} catch (_error) {
		e = _error;
		}
		if (cmdDesc) {
		if (typeof cmdDesc === 'function') {
		this.cmd().name(i).apply(cmdDesc).end();
		} else if (typeof cmdDesc === 'object') {
		this.cmd(cmdDesc);
		cmdDesc.name(i);
		} else {
		throw new Error('Error: Unsupported command declaration type, ' + 'should be function or COA.Cmd() object');
		}
		cmd = this._cmdsByName[i];
		}
		}
		if (cmd) {
		return cmd._parseCmd(argv, unparsed);
		}
		}
		unparsed.push(i);
		}
		return {
		cmd: this,
		argv: unparsed
		};
		};

		Cmd.prototype._parseOptsAndArgs = function(argv) {
		var a, arg, args, i, m, nonParsedArgs, nonParsedOpts, opt, opts, res;
		opts = {};
		args = {};
		nonParsedOpts = this._opts.concat();
		nonParsedArgs = this._args.concat();
		while (i = argv.shift()) {
		if (i !== '--' && !i.indexOf('-')) {
		if (m = i.match(/^(--\w[\w-_])=(.)$/)) {
		i = m[1];
		if (!this._optsByKey[i]._flag) {
		argv.unshift(m[2]);
		}
		}
		if (opt = this._ejectOpt(nonParsedOpts, this._optsByKey[i])) {
		if (Q.isRejected(res = opt._parse(argv, opts))) {
		return res;
		}
		} else {
		return this.reject("Unknown option: " + i);
		}
		} else {
		if (i === '--') {
		i = argv.splice(0);
		}
		i = Array.isArray(i) ? i : [i];
		while (a = i.shift()) {
		if (arg = nonParsedArgs.shift()) {
		if (arg._arr) {
		nonParsedArgs.unshift(arg);
		}
		if (Q.isRejected(res = arg._parse(a, args))) {
		return res;
		}
		} else {
		return this.reject("Unknown argument: " + a);
		}
		}
		}
		}
		return {
		opts: this._setDefaults(opts, nonParsedOpts),
		args: this._setDefaults(args, nonParsedArgs)
		};
		};
		i === '--' && (i = argv.splice(0));
		Array.isArray(i) \|\| (i = [i]);

		Cmd.prototype._setDefaults = function(params, desc) {
		var i, _i, _len;
		for (_i = 0, _len = desc.length; _i < _len; _i++) {
		i = desc[_i];
		if (!(i._name in params) && '_def' in i) {
		i._saveVal(params, i._def);
		}
		}
		return params;
		};
		let a;
		while(a = i.shift()) {
		let arg = nonParsedArgs.shift();
		if(!arg) return this.reject(`Unknown argument: ${a}`);

		Cmd.prototype._processParams = function(params, desc) {
		var i, n, notExists, res, v, vals, _i, _j, _len, _len1;
		notExists = [];
		for (_i = 0, _len = desc.length; _i < _len; _i++) {
		i = desc[_i];
		n = i._name;
		if (!(n in params)) {
		notExists.push(i);
		continue;
		}
		vals = params[n];
		delete params[n];
		if (!Array.isArray(vals)) {
		vals = [vals];
		}
		for (_j = 0, _len1 = vals.length; _j < _len1; _j++) {
		v = vals[_j];
		if (Q.isRejected(res = i._saveVal(params, v))) {
		return res;
		arg._arr && nonParsedArgs.unshift(arg);
		if(Q.isRejected(res = arg._parse(a, args))) return res;
		}
		}
		}
		}
		return this._setDefaults(params, notExists);
		};

		Cmd.prototype._parseArr = function(argv) {
		return Q.when(this._parseCmd(argv), function(p) {
		return Q.when(p.cmd._parseOptsAndArgs(p.argv), function(r) {
		return {
		cmd: p.cmd,
		opts: r.opts,
		args: r.args
		opts : this._setDefaults(opts, nonParsedOpts),
		args : this._setDefaults(args, nonParsedArgs)
		};
		});
		});
		};
		}

		Cmd.prototype._do = function(input) {
		var _this = this;
		return Q.when(input, function(input) {
		var cmd;
		cmd = input.cmd;
		return [_this._checkRequired].concat(cmd._act \|\| []).reduce(function(res, act) {
		return Q.when(res, function(res) {
		return act.call(cmd, input.opts, input.args, res);
		});
		}, void 0);
		});
		};
		_setDefaults(params, desc) {
		for(const item of desc)
		item._def &&
		!params.hasOwnProperty(item._name) &&
		item._saveVal(params, item._def);

		/**
		Parse arguments from simple format like NodeJS process.argv
		and run ahead current program, i.e. call process.exit when all actions done.
		@param {Array} argv
		@returns {COA.Cmd} this instance (for chainability)
		*/


		Cmd.prototype.run = function(argv) {
		var cb,
		_this = this;
		if (argv == null) {
		argv = process.argv.slice(2);
		return params;
		}
		cb = function(code) {
		return function(res) {
		var _ref, _ref1;
		if (res) {
		return _this._exit((_ref = res.stack) != null ? _ref : res.toString(), (_ref1 = res.exitCode) != null ? _ref1 : code);
		} else {
		return _this._exit();
		}
		};
		};
		Q.when(this["do"](argv), cb(0), cb(1)).done();
		return this;
		};

		/**
		Convenient function to run command from tests.
		@param {Array} argv
		@returns {Q.Promise}
		*/
		_processParams(params, desc) {
		const notExists = [];

		for(const item of desc) {
		const n = item._name;

		Cmd.prototype["do"] = function(argv) {
		return this._do(this._parseArr(argv \|\| []));
		};
		if(!params.hasOwnProperty(n)) {
		notExists.push(item);
		continue;
		}

		/**
		Invoke specified (or current) command using provided
		options and arguments.
		@param {String\|Array} cmds subcommand to invoke (optional)
		@param {Object} opts command options (optional)
		@param {Object} args command arguments (optional)
		@returns {Q.Promise}
		*/
		const vals = Array.isArray(params[n])? params[n] : [params[n]];
		delete params[n];

		let res;
		for(const v of vals)
		if(Q.isRejected(res = item._saveVal(params, v)))
		return res;
		}

		Cmd.prototype.invoke = function(cmds, opts, args) {
		var _this = this;
		if (cmds == null) {
		cmds = [];
		return this._setDefaults(params, notExists);
		}
		if (opts == null) {
		opts = {};

		_parseArr(argv) {
		return Q.when(this._parseCmd(argv), p =>
		Q.when(p.cmd._parseOptsAndArgs(p.argv), r => ({
		cmd : p.cmd,
		opts : r.opts,
		args : r.args
		})));
		}
		if (args == null) {
		args = {};

		_do(inputPromise) {
		return Q.when(inputPromise, input => {
		return [this._checkRequired]
		.concat(input.cmd._act \|\| [])
		.reduce((res, act) =>
		Q.when(res, prev => act.call(input.cmd, input.opts, input.args, prev)),
		undefined);
		});
		}
		if (typeof cmds === 'string') {
		cmds = cmds.split(' ');
		}
		if (arguments.length < 3) {
		if (!Array.isArray(cmds)) {
		args = opts;
		opts = cmds;
		cmds = [];
		}
		}
		return Q.when(this._parseCmd(cmds), function(p) {
		if (p.argv.length) {
		return _this.reject("Unknown command: " + cmds.join(' '));
		}
		return Q.all([_this._processParams(opts, _this._opts), _this._processParams(args, _this._args)]).spread(function(opts, args) {
		return _this._do({
		cmd: p.cmd,
		opts: opts,
		args: args
		}).fail(function(res) {
		if (res && res.exitCode === 0) {
		return res.toString();
		} else {
		return _this.reject(res);
		}
		});
		});
		});
		};

		/**
		Return reject of actions results promise with error code.
		Use in .act() for return with error.
		@param {Object} reject reason
		You can customize toString() method and exitCode property
		of reason object.
		@returns {Q.promise} rejected promise
		*/
		/**
		* Parse arguments from simple format like NodeJS process.argv
		* and run ahead current program, i.e. call process.exit when all actions done.
		*
		* @param {String[]} argv - arguments
		* @returns {COA.Cmd} - this instance (for chainability)
		*/
		run(argv) {
		argv \|\| (argv = process.argv.slice(2));

		const cb = code =>
		res => res?
		this._exit(res.stack \|\| res.toString(), (res.hasOwnProperty('exitCode')? res.exitCode : code) \|\| 0) :
		this._exit();

		Cmd.prototype.reject = function(reason) {
		return Q.reject(reason);
		};
		Q.when(this.do(argv), cb(0), cb(1)).done();

		/**
		Finish chain for current subcommand and return parent command instance.
		@returns {COA.Cmd} parent command
		*/
		return this;
		}

		/**
		* Invoke specified (or current) command using provided
		* options and arguments.
		*
		* @param {String\|String[]} [cmds] - subcommand to invoke (optional)
		* @param {Object} [opts] - command options (optional)
		* @param {Object} [args] - command arguments (optional)
		* @returns {Q.Promise}
		*/
		invoke(cmds, opts, args) {
		cmds \|\| (cmds = []);
		opts \|\| (opts = {});
		args \|\| (args = {});
		typeof cmds === 'string' && (cmds = cmds.split(' '));

		Cmd.prototype.end = function() {
		return this._cmd;
		};
		if(arguments.length < 3 && !Array.isArray(cmds)) {
		args = opts;
		opts = cmds;
		cmds = [];
		}

		return Cmd;
		return Q.when(this._parseCmd(cmds), p => {
		if(p.argv.length)
		return this.reject(`Unknown command: ${cmds.join(' ')}`);

		})();
		return Q.all([
		this._processParams(opts, this._opts),
		this._processParams(args, this._args)
		]).spread((_opts, _args) =>
		this._do({
		cmd : p.cmd,
		opts : _opts,
		args : _args
		})
		.fail(res => (res && res.exitCode === 0)?
		res.toString() :
		this.reject(res)));
		});
		}
		}

		/**
		* Convenient function to run command from tests.
		*
		* @param {String[]} argv - arguments
		* @returns {Q.Promise}
		*/
		Cmd.prototype.do = function(argv) {
		return this._do(this._parseArr(argv \|\| []));
		};

		module.exports = Cmd;

41

lib/color.js

		@@ -1,25 +0,22 @@
		// Generated by CoffeeScript 1.6.3
		var colors;
		'use strict';

		colors = {
		black: '30',
		dgray: '1;30',
		red: '31',
		lred: '1;31',
		green: '32',
		lgreen: '1;32',
		brown: '33',
		yellow: '1;33',
		blue: '34',
		lblue: '1;34',
		purple: '35',
		lpurple: '1;35',
		cyan: '36',
		lcyan: '1;36',
		lgray: '37',
		white: '1;37'
		const colors = {
		black : '30',
		dgray : '1;30',
		red : '31',
		lred : '1;31',
		green : '32',
		lgreen : '1;32',
		brown : '33',
		yellow : '1;33',
		blue : '34',
		lblue : '1;34',
		purple : '35',
		lpurple : '1;35',
		cyan : '36',
		lcyan : '1;36',
		lgray : '37',
		white : '1;37'
		};

		exports.Color = function(c, str) {
		return ['\x1B[', colors[c], 'm', str, '\x1B[m'].join('');
		};
		module.exports = (c, str) => `\x1B[${colors[c]}m${str}\x1B[m`;

280

lib/completion.js

		@@ -1,134 +0,176 @@
		// Generated by CoffeeScript 1.6.3
		'use strict';

		const constants = require('constants');
		const fs = require('fs');
		const path = require('path');

		const Q = require('q');

		const shell = require('./shell');
		const escape = shell.escape;
		const unescape = shell.unescape;

		/**
		Most of the code adopted from the npm package shell completion code.
		See https://github.com/isaacs/npm/blob/master/lib/completion.js
		*/
		* Most of the code adopted from the npm package shell completion code.
		* See https://github.com/isaacs/npm/blob/master/lib/completion.js
		*
		* @returns {COA.CoaObject}
		*/
		module.exports = function completion() {
		return this
		.title('Shell completion')
		.helpful()
		.arg()
		.name('raw')
		.title('Completion words')
		.arr()
		.end()
		.act((opts, args) => {
		if(process.platform === 'win32') {
		const e = new Error('shell completion not supported on windows');
		e.code = 'ENOTSUP';
		e.errno = constants.ENOTSUP;
		return this.reject(e);
		}

		var Q, complete, dumpScript, escape, getOpts, unescape;
		// if the COMP_* isn't in the env, then just dump the script
		if((process.env.COMP_CWORD == null)
		\|\| (process.env.COMP_LINE == null)
		\|\| (process.env.COMP_POINT == null)) {
		return dumpScript(this._cmd._name);
		}

		Q = require('q');
		console.error('COMP_LINE: %s', process.env.COMP_LINE);
		console.error('COMP_CWORD: %s', process.env.COMP_CWORD);
		console.error('COMP_POINT: %s', process.env.COMP_POINT);
		console.error('args: %j', args.raw);

		escape = require('./shell').escape;
		// completion opts
		opts = getOpts(args.raw);

		unescape = require('./shell').unescape;
		// cmd
		const parsed = this._cmd._parseCmd(opts.partialWords);
		return Q.when(complete(parsed.cmd, parsed.opts), compls => {
		console.error('filtered: %j', compls);
		return console.log(compls.map(escape).join('\n'));
		});
		});
		};

		module.exports = function() {
		return this.title('Shell completion').helpful().arg().name('raw').title('Completion words').arr().end().act(function(opts, args) {
		var argv, cmd, e, _ref;
		if (process.platform === 'win32') {
		e = new Error('shell completion not supported on windows');
		e.code = 'ENOTSUP';
		e.errno = require('constants').ENOTSUP;
		return this.reject(e);
		}
		if ((process.env.COMP_CWORD == null) \|\| (process.env.COMP_LINE == null) \|\| (process.env.COMP_POINT == null)) {
		return dumpScript(this._cmd._name);
		}
		console.error('COMP_LINE: %s', process.env.COMP_LINE);
		console.error('COMP_CWORD: %s', process.env.COMP_CWORD);
		console.error('COMP_POINT: %s', process.env.COMP_POINT);
		console.error('args: %j', args.raw);
		opts = getOpts(args.raw);
		_ref = this._cmd._parseCmd(opts.partialWords), cmd = _ref.cmd, argv = _ref.argv;
		return Q.when(complete(cmd, opts), function(compls) {
		console.error('filtered: %j', compls);
		return console.log(compls.map(escape).join('\n'));
		function dumpScript(name) {
		const defer = Q.defer();

		fs.readFile(path.resolve(__dirname, 'completion.sh'), 'utf8', function(err, d) {
		if(err) return defer.reject(err);
		d = d.replace(/{{cmd}}/g, path.basename(name)).replace(/^\#\!.*?\n/, '');

		process.stdout.on('error', onError);
		process.stdout.write(d, () => defer.resolve());
		});
		});
		};

		dumpScript = function(name) {
		var defer, fs, path;
		fs = require('fs');
		path = require('path');
		defer = Q.defer();
		fs.readFile(path.resolve(__dirname, 'completion.sh'), 'utf8', function(err, d) {
		var onError;
		if (err) {
		return defer.reject(err);
		}
		d = d.replace(/{{cmd}}/g, path.basename(name)).replace(/^\#\!.*?\n/, '');
		onError = function(err) {
		if (err.errno === require('constants').EPIPE) {
		return defer.promise;

		function onError(err) {
		// Darwin is a real dick sometimes.
		//
		// This is necessary because the "source" or "." program in
		// bash on OS X closes its file argument before reading
		// from it, meaning that you get exactly 1 write, which will
		// work most of the time, and will always raise an EPIPE.
		//
		// Really, one should not be tossing away EPIPE errors, or any
		// errors, so casually. But, without this, `. <(cmd completion)`
		// can never ever work on OS X.
		if(err.errno !== constants.EPIPE) return defer.reject(err);
		process.stdout.removeListener('error', onError);
		return defer.resolve();
		} else {
		return defer.reject(err);
		}
		}
		}

		function getOpts(argv) {
		// get the partial line and partial word, if the point isn't at the end
		// ie, tabbing at: cmd foo b\|ar
		const line = process.env.COMP_LINE;
		const w = +process.env.COMP_CWORD;
		const point = +process.env.COMP_POINT;
		const words = argv.map(unescape);
		const word = words[w];
		const partialLine = line.substr(0, point);
		const partialWords = words.slice(0, w);

		// figure out where in that last word the point is
		let partialWord = argv[w] \|\| '';
		let i = partialWord.length;
		while(partialWord.substr(0, i) !== partialLine.substr(-1 * i) && i > 0) i--;

		partialWord = unescape(partialWord.substr(0, i));
		partialWord && partialWords.push(partialWord);

		return {
		line,
		w,
		point,
		words,
		word,
		partialLine,
		partialWords,
		partialWord
		};
		process.stdout.on('error', onError);
		return process.stdout.write(d, function() {
		return defer.resolve();
		});
		});
		return defer.promise;
		};
		}

		getOpts = function(argv) {
		var i, line, partialLine, partialWord, partialWords, point, w, word, words;
		line = process.env.COMP_LINE;
		w = +process.env.COMP_CWORD;
		point = +process.env.COMP_POINT;
		words = argv.map(unescape);
		word = words[w];
		partialLine = line.substr(0, point);
		partialWords = words.slice(0, w);
		partialWord = argv[w] \|\| '';
		i = partialWord.length;
		while (partialWord.substr(0, i) !== partialLine.substr(-1 * i) && i > 0) {
		i--;
		}
		partialWord = unescape(partialWord.substr(0, i));
		if (partialWord) {
		partialWords.push(partialWord);
		}
		return {
		line: line,
		w: w,
		point: point,
		words: words,
		word: word,
		partialLine: partialLine,
		partialWords: partialWords,
		partialWord: partialWord
		};
		};
		function complete(cmd, opts) {
		let optWord, optPrefix,
		compls = [];

		complete = function(cmd, opts) {
		var compls, m, o, opt, optPrefix, optWord;
		compls = [];
		if (opts.partialWord.indexOf('-')) {
		compls = Object.keys(cmd._cmdsByName);
		} else {
		if (m = opts.partialWord.match(/^(--\w[\w-_])=(.)$/)) {
		optWord = m[1];
		optPrefix = optWord + '=';
		} else {
		compls = Object.keys(cmd._optsByKey);
		// Complete on cmds
		if(opts.partialWord.indexOf('-'))
		compls = Object.keys(cmd._cmdsByName);
		// Complete on required opts without '-' in last partial word
		// (if required not already specified)
		//
		// Commented out because of uselessness:
		// -b, --block suggest results in '-' on cmd line;
		// next completion suggest all options, because of '-'
		//.concat Object.keys(cmd._optsByKey).filter (v) -> cmd._optsByKey[v]._req
		else {
		// complete on opt values: --opt=\| case
		const m = opts.partialWord.match(/^(--\w[\w-_])=(.)$/);
		if(m) {
		optWord = m[1];
		optPrefix = optWord + '=';
		} else
		// complete on opts
		// don't complete on opts in case of --opt=val completion
		// TODO: don't complete on opts in case of unknown arg after commands
		// TODO: complete only on opts with arr() or not already used
		// TODO: complete only on full opts?
		compls = Object.keys(cmd._optsByKey);
		}
		}
		if (!(o = opts.partialWords[opts.w - 1]).indexOf('-')) {
		optWord = o;
		}
		if (optWord && (opt = cmd._optsByKey[optWord])) {
		if (!opt._flag && opt._comp) {
		compls = Q.join(compls, Q.when(opt._comp(opts), function(c, o) {
		return c.concat(o.map(function(v) {
		return (optPrefix \|\| '') + v;
		}));
		}));
		}
		}
		if (cmd._comp) {
		compls = Q.join(compls, Q.when(cmd._comp(opts)), function(c, o) {
		return c.concat(o);

		// complete on opt values: next arg case
		opts.partialWords[opts.w - 1].indexOf('-') \|\| (optWord = opts.partialWords[opts.w - 1]);

		// complete on opt values: completion
		let opt;
		optWord
		&& (opt = cmd._optsByKey[optWord])
		&& !opt._flag
		&& opt._comp
		&& (compls = Q.join(compls,
		Q.when(opt._comp(opts),
		(c, o) => c.concat(o.map(v => (optPrefix \|\| '') + v)))));

		// TODO: complete on args values (context aware, custom completion?)

		// custom completion on cmds
		cmd._comp && (compls = Q.join(compls, Q.when(cmd._comp(opts)), (c, o) => c.concat(o)));

		// TODO: context aware custom completion on cmds, opts and args
		// (can depend on already entered values, especially options)

		return Q.when(compls, complitions => {
		console.error('partialWord: %s', opts.partialWord);
		console.error('compls: %j', complitions);
		return compls.filter(c => c.indexOf(opts.partialWord) === 0);
		});
		}
		return Q.when(compls, function(compls) {
		console.error('partialWord: %s', opts.partialWord);
		console.error('compls: %j', compls);
		return compls.filter(function(c) {
		return c.indexOf(opts.partialWord) === 0;
		});
		});
		};
		}

22

lib/index.js

		@@ -1,10 +0,14 @@
		// Generated by CoffeeScript 1.6.3
		exports.Cmd = require('./cmd').Cmd;
		const
		Cmd = require('./cmd'),
		Opt = require('./opt'),
		Arg = require('./arg'),
		shell = require('./shell');

		exports.Opt = require('./cmd').Opt;

		exports.Arg = require('./cmd').Arg;

		exports.shell = require('./shell');

		exports.require = require;
		module.exports = {
		Cmd : Cmd.create,
		Opt : Opt.create,
		Arg : Arg.create,
		classes : { Cmd, Opt, Arg },
		shell,
		require
		};

435

lib/opt.js

		@@ -1,338 +0,155 @@
		// Generated by CoffeeScript 1.6.3
		var Cmd, Color, Opt, Q, fs;
		'use strict';

		fs = require('fs');
		const
		Q = require('q'),

		Q = require('q');
		CoaParam = require('./coaparam'),
		Color = require('./color');

		Color = require('./color').Color;

		Cmd = require('./cmd').Cmd;

		/**
		Option
		* Option
		*
		* Named entity. Options may have short and long keys for use from command line.
		*
		* @namespace
		* @class Opt
		* @extends CoaParam
		*/
		module.exports = class Opt extends CoaParam {
		/**
		* @constructs
		* @param {COA.Cmd} cmd - parent command
		*/
		constructor(cmd) {
		super(cmd);

		Named entity. Options may have short and long keys for use from command line.
		@namespace
		@class Presents option
		*/
		this._short = null;
		this._long = null;
		this._flag = false;
		this._only = false;
		this._cmd._opts.push(this);
		}

		/**
		* Set a short key for option to be used with one hyphen from command line.
		*
		* @param {String} short - short name
		* @returns {COA.Opt} - this instance (for chainability)
		*/
		short(short) {
		this._short = short;
		this._cmd._optsByKey[`-${short}`] = this;
		return this;
		}

		exports.Opt = Opt = (function() {
		/**
		@constructs
		@param {COA.Cmd} cmd parent command
		*/
		/**
		* Set a short key for option to be used with double hyphens from command line.
		*
		* @param {String} long - long name
		* @returns {COA.Opt} - this instance (for chainability)
		*/
		long(long) {
		this._long = long;
		this._cmd._optsByKey[`--${long}`] = this;
		return this;
		}

		function Opt(_cmd) {
		this._cmd = _cmd;
		this._cmd._opts.push(this);
		}
		/**
		* Make an option boolean, i.e. option without value.
		*
		* @returns {COA.Opt} - this instance (for chainability)
		*/
		flag() {
		this._flag = true;
		return this;
		}

		/**
		Set a canonical option identifier to be used anywhere in the API.
		@param {String} _name option name
		@returns {COA.Opt} this instance (for chainability)
		*/
		/**
		* Makes an option to act as a command,
		* i.e. program will exit just after option action.
		*
		* @returns {COA.Opt} - this instance (for chainability)
		*/
		only() {
		this._only = true;
		return this;
		}

		/**
		* Add action for current option command.
		* This action is performed if the current option
		* is present in parsed options (with any value).
		*
		* @param {Function} act - action function,
		* invoked in the context of command instance
		* and has the parameters:
		* - {Object} opts - parsed options
		* - {Array} args - parsed arguments
		* - {Object} res - actions result accumulator
		* It can return rejected promise by Cmd.reject (in case of error)
		* or any other value treated as result.
		* @returns {COA.Opt} - this instance (for chainability)
		*/
		act(act) {
		// Need function here for arguments
		const opt = this;
		this._cmd.act(function(opts) {
		if(!opts.hasOwnProperty(opt._name)) return;

		Opt.prototype.name = function(_name) {
		this._name = _name;
		return this;
		};
		const res = act.apply(this, arguments);
		if(!opt._only) return res;

		/**
		Set a long description for option to be used anywhere in text messages.
		@param {String} _title option title
		@returns {COA.Opt} this instance (for chainability)
		*/
		return Q.when(res, out => this.reject({
		toString : () => out.toString(),
		exitCode : 0
		}));
		});

		return this;
		}

		Opt.prototype.title = Cmd.prototype.title;
		_saveVal(opts, val) {
		this._val && (val = this._val(val));

		/**
		Set a short key for option to be used with one hyphen from command line.
		@param {String} _short
		@returns {COA.Opt} this instance (for chainability)
		*/
		const name = this._name;
		this._arr
		? (opts[name] \|\| (opts[name] = [])).push(val)
		: (opts[name] = val);

		return val;
		}

		Opt.prototype.short = function(_short) {
		this._short = _short;
		return this._cmd._optsByKey['-' + _short] = this;
		};
		_parse(argv, opts) {
		return this._saveVal(opts, this._flag ? true : argv.shift());
		}

		/**
		Set a short key for option to be used with double hyphens from command line.
		@param {String} _long
		@returns {COA.Opt} this instance (for chainability)
		*/
		_checkParsed(opts) {
		return !opts.hasOwnProperty(this._name);
		}

		_usage() {
		const res = [],
		nameStr = this._name.toUpperCase();

		Opt.prototype.long = function(_long) {
		this._long = _long;
		return this._cmd._optsByKey['--' + _long] = this;
		};

		/**
		Make an option boolean, i.e. option without value.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.flag = function() {
		this._flag = true;
		return this;
		};

		/**
		Makes an option accepts multiple values.
		Otherwise, the value will be used by the latter passed.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.arr = function() {
		this._arr = true;
		return this;
		};

		/**
		Makes an option required.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.req = function() {
		this._req = true;
		return this;
		};

		/**
		Makes an option to act as a command,
		i.e. program will exit just after option action.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.only = function() {
		this._only = true;
		return this;
		};

		/**
		Set a validation (or value) function for option.
		Value from command line passes through before becoming available from API.
		Using for validation and convertion simple types to any values.
		@param {Function} _val validating function,
		invoked in the context of option instance
		and has one parameter with value from command line
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.val = function(_val) {
		this._val = _val;
		return this;
		};

		/**
		Set a default value for option.
		Default value passed through validation function as ordinary value.
		@param {Object} _def
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.def = function(_def) {
		this._def = _def;
		return this;
		};

		/**
		Make option value inputting stream.
		It's add useful validation and shortcut for STDIN.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.input = function() {
		process.stdin.pause();
		return this.def(process.stdin).val(function(v) {
		var s;
		if (typeof v === 'string') {
		if (v === '-') {
		return process.stdin;
		} else {
		s = fs.createReadStream(v, {
		encoding: 'utf8'
		});
		s.pause();
		return s;
		if(this._short) {
		res.push('-', Color('lgreen', this._short));
		this._flag \|\| res.push(' ' + nameStr);
		res.push(', ');
		}
		} else {
		return v;
		}
		});
		};

		/**
		Make option value outputing stream.
		It's add useful validation and shortcut for STDOUT.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.output = function() {
		return this.def(process.stdout).val(function(v) {
		if (typeof v === 'string') {
		if (v === '-') {
		return process.stdout;
		} else {
		return fs.createWriteStream(v, {
		encoding: 'utf8'
		});
		if(this._long) {
		res.push('--', Color('green', this._long));
		this._flag \|\| res.push('=' + nameStr);
		}
		} else {
		return v;
		}
		});
		};

		/**
		Add action for current option command.
		This action is performed if the current option
		is present in parsed options (with any value).
		@param {Function} act action function,
		invoked in the context of command instance
		and has the parameters:
		- {Object} opts parsed options
		- {Array} args parsed arguments
		- {Object} res actions result accumulator
		It can return rejected promise by Cmd.reject (in case of error)
		or any other value treated as result.
		@returns {COA.Opt} this instance (for chainability)
		*/
		res.push(' : ', this._title);

		this._req && res.push(' ', Color('lred', '(required)'));

		Opt.prototype.act = function(act) {
		var name, opt;
		opt = this;
		name = this._name;
		this._cmd.act(function(opts) {
		var res,
		_this = this;
		if (name in opts) {
		res = act.apply(this, arguments);
		if (opt._only) {
		return Q.when(res, function(res) {
		return _this.reject({
		toString: function() {
		return res.toString();
		},
		exitCode: 0
		});
		});
		} else {
		return res;
		}
		}
		});
		return this;
		};

		/**
		Set custom additional completion for current option.
		@param {Function} completion generation function,
		invoked in the context of option instance.
		Accepts parameters:
		- {Object} opts completion options
		It can return promise or any other value treated as result.
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.comp = Cmd.prototype.comp;

		Opt.prototype._saveVal = function(opts, val) {
		var _name;
		if (this._val) {
		val = this._val(val);
		return res.join('');
		}
		if (this._arr) {
		(opts[_name = this._name] \|\| (opts[_name] = [])).push(val);
		} else {
		opts[this._name] = val;
		}
		return val;
		};

		Opt.prototype._parse = function(argv, opts) {
		return this._saveVal(opts, this._flag ? true : argv.shift());
		};

		Opt.prototype._checkParsed = function(opts, args) {
		return !opts.hasOwnProperty(this._name);
		};

		Opt.prototype._usage = function() {
		var nameStr, res;
		res = [];
		nameStr = this._name.toUpperCase();
		if (this._short) {
		res.push('-', Color('lgreen', this._short));
		if (!this._flag) {
		res.push(' ' + nameStr);
		}
		res.push(', ');
		_requiredText() {
		return `Missing required option:\n ${this._usage()}`;
		}
		if (this._long) {
		res.push('--', Color('green', this._long));
		if (!this._flag) {
		res.push('=' + nameStr);
		}
		}
		res.push(' : ', this._title);
		if (this._req) {
		res.push(' ', Color('lred', '(required)'));
		}
		return res.join('');
		};

		Opt.prototype._requiredText = function() {
		return 'Missing required option:\n ' + this._usage();
		};

		/**
		Return rejected promise with error code.
		Use in .val() for return with error.
		@param {Object} reject reason
		You can customize toString() method and exitCode property
		of reason object.
		@returns {Q.promise} rejected promise
		*/


		Opt.prototype.reject = Cmd.prototype.reject;

		/**
		Finish chain for current option and return parent command instance.
		@returns {COA.Cmd} parent command
		*/


		Opt.prototype.end = Cmd.prototype.end;

		/**
		Apply function with arguments in context of option instance.
		@param {Function} fn
		@param {Array} args
		@returns {COA.Opt} this instance (for chainability)
		*/


		Opt.prototype.apply = Cmd.prototype.apply;

		return Opt;

		})();
		};

26

lib/shell.js

		@@ -1,14 +0,14 @@
		// Generated by CoffeeScript 1.6.3
		exports.unescape = function(w) {
		w = w.charAt(0) === '"' ? w.replace(/^"\|([^\\])"$/g, '$1') : w.replace(/\\ /g, ' ');
		return w.replace(/\$"\|'\|\$\|`\|\$/g, '$1');
		};
		module.exports = { escape, unescape };

		exports.escape = function(w) {
		w = w.replace(/(["'$`\\])/g, '\\$1');
		if (w.match(/\s+/)) {
		return '"' + w + '"';
		} else {
		return w;
		}
		};
		function unescape(w) {
		w = w.charAt(0) === '"'
		? w.replace(/^"\|([^\\])"$/g, '$1')
		: w.replace(/\\ /g, ' ');

		return w.replace(/\$"\|'\|\$\|`\|\$/g, '$1');
		}

		function escape(w) {
		w = w.replace(/(["'$`\\])/g,'\\$1');
		return w.match(/\s+/) ? `"${w}"` : w;
		}

33

package.json

		{
		"name": "coa",
		"description": "Command-Option-Argument: Yet another parser for command line options.",
		"version": "1.0.4",
		"version": "2.0.0",
		"homepage": "http://github.com/veged/coa",
		@@ -14,2 +14,7 @@ "author": "Sergey Berezhnoy <veged@ya.ru> (http://github.com/veged)",
		],
		"files": [
		"lib/",
		"index.js",
		"README.ru.md"
		],
		"repository": {
		@@ -26,21 +31,21 @@ "type": "git",
		"devDependencies": {
		"coffee-script": "~1.6.3",
		"istanbul": "~0.1.40",
		"mocha-istanbul": "*",
		"chai": "~1.7.2",
		"coveralls": "^2.11.16",
		"eslint": "^3.15.0",
		"eslint-config-pedant": "^0.8.0",
		"mocha": "~1.21.4",
		"chai": "~1.7.2"
		"nyc": "^10.1.2"
		},
		"scripts": {
		"test": "make test",
		"coverage": "make coverage"
		"clean": "rm -r .nyc_output coverage",
		"coverage": "nyc --reporter=text --reporter=html mocha; echo; echo 'Open coverage/index.html file in your browser'",
		"coveralls": "nyc report --reporter=text-lcov \| coveralls",
		"lint": "eslint .",
		"pretest": "npm run lint",
		"test": "nyc mocha"
		},
		"engines": {
		"node": ">= 0.8.0"
		"node": ">= 4.0"
		},
		"licenses": [
		{
		"type": "MIT"
		}
		],
		"optionalDependencies": {}
		"license": "MIT"
		}

20

README.md

		# Command-Option-Argument
		[![build status](https://secure.travis-ci.org/veged/coa.png)](http://travis-ci.org/veged/coa)

		Yet another parser for command line options.

		[![NPM Status][npm-img]][npm]
		[![Travis Status][test-img]][travis]
		[![AppVeyor Status][appveyor-img]][appveyor]
		[![Coverage Status][coverage-img]][coveralls]
		[![Dependency Status][dependency-img]][david]

		[npm]: https://www.npmjs.org/package/coa
		[npm-img]: https://img.shields.io/npm/v/coa.svg
		[travis]: https://travis-ci.org/veged/coa
		[test-img]: https://img.shields.io/travis/veged/coa.svg
		[appveyor]: https://ci.appveyor.com/project/zxqfox/coa
		[appveyor-img]: https://ci.appveyor.com/api/projects/status/github/veged/coa?svg=true
		[coveralls]: https://coveralls.io/r/veged/coa
		[coverage-img]: https://img.shields.io/coveralls/veged/coa.svg
		[david]: https://david-dm.org/veged/coa
		[dependency-img]: http://img.shields.io/david/veged/coa.svg

		## What is it?
		@@ -5,0 +23,0 @@

.npmignore

.nyc_output/1f2a0db5a6d6559149db56d397f47cfc.json

.nyc_output/75b82d38f2186df930141082076e11c6.json

.travis.yml

coverage/base.css

coverage/coa/index.html

coverage/coa/index.js.html

coverage/coa/lib/arg.js.html

coverage/coa/lib/cmd.js.html

coverage/coa/lib/coaobject.js.html

coverage/coa/lib/coaparam.js.html

coverage/coa/lib/color.js.html

coverage/coa/lib/completion.js.html

coverage/coa/lib/index.html

coverage/coa/lib/index.js.html

coverage/coa/lib/opt.js.html

coverage/coa/lib/shell.js.html

coverage/index.html

coverage/prettify.css

coverage/prettify.js

coverage/sort-arrow-sprite.png

coverage/sorter.js

GNUmakefile

qq.js

src/arg.coffee

src/cmd.coffee

src/color.coffee

src/completion.coffee

src/index.coffee

src/opt.coffee

src/shell.coffee

test/coa.js

test/mocha.opts

test/shell-test.js

tests/api-h.js

tests/h.js

New alerts

Fixed alerts

Improved metrics

Worsened metrics