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rOACCT/node_modules/webpack/lib/NormalModuleReplacementPlugin.js
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NormalModuleReplacementPlugin.js
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/*
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(TODO): 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(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, createData.resource),
newResource
);
}
}
}
});
}
);
}
}
module.exports = NormalModuleReplacementPlugin;
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