gree_leran/node_modules/webpack/lib/PrefetchPlugin.js

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2024-06-14 01:11:29 +00:00
/*
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;