1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
Copyright (c) 2012, Yahoo! Inc. All rights reserved.
Copyrights licensed under the New BSD License. See the accompanying LICENSE file for terms.
*/
//EXPERIMENTAL code: do not rely on this in anyway until the docs say it is allowed
var path = require('path'),
yuiRegexp = /yui-nodejs\.js$/;
module.exports = function (matchFn, transformFn, verbose) {
return function (file) {
if (!file.match(yuiRegexp)) {
return;
}
var YMain = require(file),
YUI,
loaderFn,
origGet;
if (YMain.YUI) {
YUI = YMain.YUI;
loaderFn = YUI.Env && YUI.Env.mods && YUI.Env.mods['loader-base'] ? YUI.Env.mods['loader-base'].fn : null;
if (!loaderFn) { return; }
if (verbose) { console.log('Applying YUI load post-hook'); }
YUI.Env.mods['loader-base'].fn = function (Y) {
loaderFn.call(null, Y);
origGet = Y.Get._exec;
Y.Get._exec = function (data, url, cb) {
if (matchFn(url) || matchFn(path.resolve(url))) { //allow for relative paths as well
if (verbose) {
console.log('Transforming [' + url + ']');
}
try {
data = transformFn(data, url);
} catch (ex) {
console.error('Error transforming: ' + url + ' return original code');
console.error(ex.message || ex);
if (ex.stack) { console.error(ex.stack); }
}
}
return origGet.call(Y, data, url, cb);
};
return Y;
};
}
};
};
|
