DelegatedModuleFactoryPlugin.js
1.94 KB
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
50
51
52
53
54
55
56
57
58
59
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const DelegatedModule = require("./DelegatedModule");
// options.source
// options.type
// options.context
// options.scope
// options.content
class DelegatedModuleFactoryPlugin {
constructor(options) {
this.options = options;
options.type = options.type || "require";
options.extensions = options.extensions || ["", ".js"];
}
apply(normalModuleFactory) {
const scope = this.options.scope;
if(scope) {
normalModuleFactory.plugin("factory", factory => (data, callback) => {
const dependency = data.dependencies[0];
const request = dependency.request;
if(request && request.indexOf(scope + "/") === 0) {
const innerRequest = "." + request.substr(scope.length);
let resolved;
if(innerRequest in this.options.content) {
resolved = this.options.content[innerRequest];
return callback(null, new DelegatedModule(this.options.source, resolved, this.options.type, innerRequest, request));
}
for(let i = 0; i < this.options.extensions.length; i++) {
const extension = this.options.extensions[i];
const requestPlusExt = innerRequest + extension;
if(requestPlusExt in this.options.content) {
resolved = this.options.content[requestPlusExt];
return callback(null, new DelegatedModule(this.options.source, resolved, this.options.type, requestPlusExt, request + extension));
}
}
}
return factory(data, callback);
});
} else {
normalModuleFactory.plugin("module", module => {
if(module.libIdent) {
const request = module.libIdent(this.options);
if(request && request in this.options.content) {
const resolved = this.options.content[request];
return new DelegatedModule(this.options.source, resolved, this.options.type, request, module);
}
}
return module;
});
}
}
}
module.exports = DelegatedModuleFactoryPlugin;