mirror of https://github.com/webpack/webpack.git
74 lines
1.9 KiB
JavaScript
74 lines
1.9 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
|
|
"use strict";
|
|
|
|
const { join, dirname } = require("./util/fs");
|
|
|
|
/** @typedef {import("./Compiler")} Compiler */
|
|
/** @typedef {function(import("./NormalModuleFactory").ResolveData): void} ModuleReplacer */
|
|
|
|
class NormalModuleReplacementPlugin {
|
|
/**
|
|
* Create an instance of the plugin
|
|
* @param {RegExp} resourceRegExp the resource matcher
|
|
* @param {string|ModuleReplacer} newResource the resource replacement
|
|
*/
|
|
constructor(resourceRegExp, newResource) {
|
|
this.resourceRegExp = resourceRegExp;
|
|
this.newResource = newResource;
|
|
}
|
|
|
|
/**
|
|
* Apply the plugin
|
|
* @param {Compiler} compiler the compiler instance
|
|
* @returns {void}
|
|
*/
|
|
apply(compiler) {
|
|
const resourceRegExp = this.resourceRegExp;
|
|
const newResource = this.newResource;
|
|
compiler.hooks.normalModuleFactory.tap(
|
|
"NormalModuleReplacementPlugin",
|
|
nmf => {
|
|
nmf.hooks.beforeResolve.tap("NormalModuleReplacementPlugin", result => {
|
|
if (resourceRegExp.test(result.request)) {
|
|
if (typeof newResource === "function") {
|
|
newResource(result);
|
|
} else {
|
|
result.request = newResource;
|
|
}
|
|
}
|
|
});
|
|
nmf.hooks.afterResolve.tap("NormalModuleReplacementPlugin", result => {
|
|
const createData = result.createData;
|
|
if (
|
|
resourceRegExp.test(/** @type {string} */ (createData.resource))
|
|
) {
|
|
if (typeof newResource === "function") {
|
|
newResource(result);
|
|
} else {
|
|
const fs = compiler.inputFileSystem;
|
|
if (
|
|
newResource.startsWith("/") ||
|
|
(newResource.length > 1 && newResource[1] === ":")
|
|
) {
|
|
createData.resource = newResource;
|
|
} else {
|
|
createData.resource = join(
|
|
fs,
|
|
dirname(fs, /** @type {string} */ (createData.resource)),
|
|
newResource
|
|
);
|
|
}
|
|
}
|
|
}
|
|
});
|
|
}
|
|
);
|
|
}
|
|
}
|
|
|
|
module.exports = NormalModuleReplacementPlugin;
|