525 lines
14 KiB
HTML
525 lines
14 KiB
HTML
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<title>Code coverage report for coa/lib/opt.js</title>
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<h1>
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<a href="../../index.html">All files</a> / <a href="index.html">coa/lib</a> opt.js
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</h1>
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<div class='clearfix'>
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<div class='fl pad1y space-right2'>
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<span class="strong">91.84% </span>
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<span class="quiet">Statements</span>
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<span class='fraction'>45/49</span>
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<span class="strong">72.73% </span>
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<span class='fraction'>14/14</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">'use strict';
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const
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Q = require('q'),
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CoaParam = require('./coaparam'),
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Color = require('./color');
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/**
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* Option
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*
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* Named entity. Options may have short and long keys for use from command line.
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*
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* @namespace
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* @class Opt
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* @extends CoaParam
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*/
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module.exports = class Opt extends CoaParam {
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/**
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* @constructs
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* @param {COA.Cmd} cmd - parent command
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*/
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constructor(cmd) {
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super(cmd);
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this._short = null;
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this._long = null;
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this._flag = false;
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this._only = false;
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this._cmd._opts.push(this);
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}
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/**
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* Set a short key for option to be used with one hyphen from command line.
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*
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* @param {String} short - short name
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* @returns {COA.Opt} - this instance (for chainability)
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*/
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short(short) {
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this._short = short;
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this._cmd._optsByKey[`-${short}`] = this;
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return this;
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}
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/**
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* Set a short key for option to be used with double hyphens from command line.
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*
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* @param {String} long - long name
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* @returns {COA.Opt} - this instance (for chainability)
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*/
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long(long) {
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this._long = long;
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this._cmd._optsByKey[`--${long}`] = this;
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return this;
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}
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/**
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* Make an option boolean, i.e. option without value.
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*
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* @returns {COA.Opt} - this instance (for chainability)
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*/
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flag() {
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this._flag = true;
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return this;
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}
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/**
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* Makes an option to act as a command,
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* i.e. program will exit just after option action.
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*
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* @returns {COA.Opt} - this instance (for chainability)
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*/
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only() {
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this._only = true;
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return this;
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}
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/**
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* Add action for current option command.
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* This action is performed if the current option
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* is present in parsed options (with any value).
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*
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* @param {Function} act - action function,
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* invoked in the context of command instance
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* and has the parameters:
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* - {Object} opts - parsed options
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* - {Array} args - parsed arguments
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* - {Object} res - actions result accumulator
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* It can return rejected promise by Cmd.reject (in case of error)
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* or any other value treated as result.
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* @returns {COA.Opt} - this instance (for chainability)
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*/
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act(act) {
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this._cmd.act((opts) => {
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<span class="missing-if-branch" title="if path not taken" >I</span>if(!opts.hasOwnProperty(this._name)) <span class="cstat-no" title="statement not covered" >return;</span>
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const res = act.apply(this._cmd, arguments);
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<span class="missing-if-branch" title="if path not taken" >I</span>if(!this._only) <span class="cstat-no" title="statement not covered" >return res;</span>
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return Q.when(res, (out) => this._cmd.reject({
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toString : () => out.toString(),
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exitCode : 0
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}));
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});
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return this;
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}
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_saveVal(opts, val) {
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this._val && (val = this._val(val));
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const name = this._name;
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this._arr
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? (opts[name] || (opts[name] = [])).push(val)
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: (opts[name] = val);
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return val;
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}
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_parse(argv, opts) {
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return this._saveVal(opts, this._flag ? true : argv.shift());
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}
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_checkParsed(opts) {
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return !opts.hasOwnProperty(this._name);
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}
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_usage() {
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const res = [],
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nameStr = this._name.toUpperCase();
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<span class="missing-if-branch" title="else path not taken" >E</span>if(this._short) {
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res.push('-', Color('lgreen', this._short));
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this._flag || res.push(' ' + nameStr);
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res.push(', ');
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}
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<span class="missing-if-branch" title="if path not taken" >I</span>if(this._long) {
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<span class="cstat-no" title="statement not covered" > res.push('--', Color('green', this._long));</span>
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<span class="cstat-no" title="statement not covered" > this._flag || res.push('=' + nameStr);</span>
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}
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res.push(' : ', this._title);
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this._req && res.push(' ', Color('lred', '(required)'));
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return res.join('');
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}
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_requiredText() {
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return `Missing required option:\n ${this._usage()}`;
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}
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};
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</pre></td></tr>
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</table></pre>
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