55 lines
1.1 KiB
JavaScript
55 lines
1.1 KiB
JavaScript
|
/*
|
||
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
||
|
|
Author Tobias Koppers @sokra
|
||
|
|
*/
|
||
|
|
|
||
|
|
"use strict";
|
||
|
|
|
||
|
|
const PrefetchDependency = require("./dependencies/PrefetchDependency");
|
||
|
|
|
||
|
|
/** @typedef {import("./Compiler")} Compiler */
|
||
|
|
|
||
|
|
class PrefetchPlugin {
|
||
|
|
/**
|
||
|
|
* @param {string} context context or request if context is not set
|
||
|
|
* @param {string} [request] request
|
||
|
|
*/
|
||
|
|
constructor(context, request) {
|
||
|
|
if (request) {
|
||
|
|
this.context = context;
|
||
|
|
this.request = request;
|
||
|
|
} else {
|
||
|
|
this.context = null;
|
||
|
|
this.request = context;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Apply the plugin
|
||
|
|
* @param {Compiler} compiler the compiler instance
|
||
|
|
* @returns {void}
|
||
|
|
*/
|
||
|
|
apply(compiler) {
|
||
|
|
compiler.hooks.compilation.tap(
|
||
|
|
"PrefetchPlugin",
|
||
|
|
(compilation, { normalModuleFactory }) => {
|
||
|
|
compilation.dependencyFactories.set(
|
||
|
|
PrefetchDependency,
|
||
|
|
normalModuleFactory
|
||
|
|
);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
compiler.hooks.make.tapAsync("PrefetchPlugin", (compilation, callback) => {
|
||
|
|
compilation.addModuleChain(
|
||
|
|
this.context || compiler.context,
|
||
|
|
new PrefetchDependency(this.request),
|
||
|
|
err => {
|
||
|
|
callback(err);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = PrefetchPlugin;
|