blob: 2d0db16ecdb106fb08fbb8d8d60a6927d5911d50 (
plain) (
blame)
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
|
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const asyncLib = require("neo-async");
const PrefetchDependency = require("./dependencies/PrefetchDependency");
const NormalModule = require("./NormalModule");
/** @typedef {import("./Compiler")} Compiler */
class AutomaticPrefetchPlugin {
/**
* Apply the plugin
* @param {Compiler} compiler Webpack Compiler
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"AutomaticPrefetchPlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
PrefetchDependency,
normalModuleFactory
);
}
);
let lastModules = null;
compiler.hooks.afterCompile.tap("AutomaticPrefetchPlugin", compilation => {
lastModules = compilation.modules
.filter(m => m instanceof NormalModule)
.map((/** @type {NormalModule} */ m) => ({
context: m.context,
request: m.request
}));
});
compiler.hooks.make.tapAsync(
"AutomaticPrefetchPlugin",
(compilation, callback) => {
if (!lastModules) return callback();
asyncLib.forEach(
lastModules,
(m, callback) => {
compilation.prefetch(
m.context || compiler.context,
new PrefetchDependency(m.request),
callback
);
},
callback
);
}
);
}
}
module.exports = AutomaticPrefetchPlugin;
|
