3 A very light-weight in-code option parsers for node.js.
8 var Options = require("options");
10 // Create an Options object
11 function foo(options) {
12 var default_options = {
16 // Create an option object with default value
17 var opts = new Options(default_options);
20 opts = opts.merge(options);
22 // Reset to default value
25 // Copy selected attributes out
26 var seled_att = opts.copy("foo");
28 // Read json options from a file.
29 opts.read("options.file"); // Sync
30 opts.read("options.file", function(err){ // Async
31 if(err){ // If error occurs
32 console.log("File error.");
38 // Attributes defined or not
39 opts.isDefinedAndNonNull("foobar");
40 opts.isDefined("foobar");
50 Copyright (c) 2012 Einar Otto Stangvik <einaros@gmail.com>
52 Permission is hereby granted, free of charge, to any person obtaining
53 a copy of this software and associated documentation files (the
54 'Software'), to deal in the Software without restriction, including
55 without limitation the rights to use, copy, modify, merge, publish,
56 distribute, sublicense, and/or sell copies of the Software, and to
57 permit persons to whom the Software is furnished to do so, subject to
58 the following conditions:
60 The above copyright notice and this permission notice shall be
61 included in all copies or substantial portions of the Software.
63 THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
64 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
65 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
66 IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
67 CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
68 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
69 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.