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node_modules/webpack/lib/NormalModuleReplacementPlugin.js

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+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+"use strict";
+
+const path = require("path");
+
+class NormalModuleReplacementPlugin {
+	constructor(resourceRegExp, newResource) {
+		this.resourceRegExp = resourceRegExp;
+		this.newResource = newResource;
+	}
+
+	apply(compiler) {
+		const resourceRegExp = this.resourceRegExp;
+		const newResource = this.newResource;
+		compiler.hooks.normalModuleFactory.tap(
+			"NormalModuleReplacementPlugin",
+			nmf => {
+				nmf.hooks.beforeResolve.tap("NormalModuleReplacementPlugin", result => {
+					if (!result) return;
+					if (resourceRegExp.test(result.request)) {
+						if (typeof newResource === "function") {
+							newResource(result);
+						} else {
+							result.request = newResource;
+						}
+					}
+					return result;
+				});
+				nmf.hooks.afterResolve.tap("NormalModuleReplacementPlugin", result => {
+					if (!result) return;
+					if (resourceRegExp.test(result.resource)) {
+						if (typeof newResource === "function") {
+							newResource(result);
+						} else {
+							result.resource = path.resolve(
+								path.dirname(result.resource),
+								newResource
+							);
+						}
+					}
+					return result;
+				});
+			}
+		);
+	}
+}
+
+module.exports = NormalModuleReplacementPlugin;