69 lines
No EOL
1.5 KiB
JavaScript
69 lines
No EOL
1.5 KiB
JavaScript
/*
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* argv.js: Simple memory-based store for command-line arguments.
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*
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* (C) 2011, Nodejitsu Inc.
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*
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*/
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var util = require('util'),
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Memory = require('./memory').Memory;
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//
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// ### function Argv (options)
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// #### @options {Object} Options for this instance.
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// Constructor function for the Argv nconf store, a simple abstraction
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// around the Memory store that can read command-line arguments.
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//
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var Argv = exports.Argv = function (options, usage) {
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Memory.call(this, options);
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this.type = 'argv';
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this.readOnly = true;
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this.options = options || false;
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this.usage = usage;
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};
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// Inherit from the Memory store
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util.inherits(Argv, Memory);
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//
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// ### function loadSync ()
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// Loads the data passed in from `process.argv` into this instance.
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//
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Argv.prototype.loadSync = function () {
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this.loadArgv();
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return this.store;
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};
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//
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// ### function loadArgv ()
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// Loads the data passed in from the command-line arguments
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// into this instance.
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//
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Argv.prototype.loadArgv = function () {
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var self = this,
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optimist, argv;
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optimist = typeof this.options === 'object'
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? require('optimist')(process.argv.slice(2)).options(this.options)
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: require('optimist')(process.argv.slice(2));
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if (typeof this.usage === 'string') { optimist.usage(this.usage) }
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argv = optimist.argv
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if (!argv) {
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return;
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}
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this.readOnly = false;
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Object.keys(argv).forEach(function (key) {
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self.set(key, argv[key]);
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});
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this.showHelp = optimist.showHelp
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this.help = optimist.help
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this.readOnly = true;
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return this.store;
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}; |