source: trip-planner-front/node_modules/di/lib/annotation.js@ 84d0fbb

Last change on this file since 84d0fbb was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 955 bytes
Line 
1var annotate = function() {
2 var args = Array.prototype.slice.call(arguments);
3 var fn = args.pop();
4
5 fn.$inject = args;
6
7 return fn;
8};
9
10
11// Current limitations:
12// - can't put into "function arg" comments
13// function /* (no parenthesis like this) */ (){}
14// function abc( /* xx (no parenthesis like this) */ a, b) {}
15//
16// Just put the comment before function or inside:
17// /* (((this is fine))) */ function(a, b) {}
18// function abc(a) { /* (((this is fine))) */}
19
20var FN_ARGS = /^function\s*[^\(]*\(\s*([^\)]*)\)/m;
21var FN_ARG = /\/\*([^\*]*)\*\//m;
22
23var parse = function(fn) {
24 if (typeof fn !== 'function') {
25 throw new Error('Can not annotate "' + fn + '". Expected a function!');
26 }
27
28 var match = fn.toString().match(FN_ARGS);
29 return match[1] && match[1].split(',').map(function(arg) {
30 match = arg.match(FN_ARG);
31 return match ? match[1].trim() : arg.trim();
32 }) || [];
33};
34
35
36exports.annotate = annotate;
37exports.parse = parse;
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