1 |
|
2 |
|
3 |
|
4 |
|
5 | "use strict";
|
6 |
|
7 | const path = require("path");
|
8 |
|
9 | class NormalModuleReplacementPlugin {
|
10 | constructor(resourceRegExp, newResource) {
|
11 | this.resourceRegExp = resourceRegExp;
|
12 | this.newResource = newResource;
|
13 | }
|
14 |
|
15 | apply(compiler) {
|
16 | const resourceRegExp = this.resourceRegExp;
|
17 | const newResource = this.newResource;
|
18 | compiler.hooks.normalModuleFactory.tap(
|
19 | "NormalModuleReplacementPlugin",
|
20 | nmf => {
|
21 | nmf.hooks.beforeResolve.tap("NormalModuleReplacementPlugin", result => {
|
22 | if (!result) return;
|
23 | if (resourceRegExp.test(result.request)) {
|
24 | if (typeof newResource === "function") {
|
25 | newResource(result);
|
26 | } else {
|
27 | result.request = newResource;
|
28 | }
|
29 | }
|
30 | return result;
|
31 | });
|
32 | nmf.hooks.afterResolve.tap("NormalModuleReplacementPlugin", result => {
|
33 | if (!result) return;
|
34 | if (resourceRegExp.test(result.resource)) {
|
35 | if (typeof newResource === "function") {
|
36 | newResource(result);
|
37 | } else {
|
38 | result.resource = path.resolve(
|
39 | path.dirname(result.resource),
|
40 | newResource
|
41 | );
|
42 | }
|
43 | }
|
44 | return result;
|
45 | });
|
46 | }
|
47 | );
|
48 | }
|
49 | }
|
50 |
|
51 | module.exports = NormalModuleReplacementPlugin;
|