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node_modules/webpack/lib/dependencies/ImportMetaContextPlugin.js

@@ -0,0 +1,59 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+const ContextElementDependency = require("./ContextElementDependency");
+const ImportMetaContextDependency = require("./ImportMetaContextDependency");
+const ImportMetaContextDependencyParserPlugin = require("./ImportMetaContextDependencyParserPlugin");
+
+/** @typedef {import("../../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
+/** @typedef {import("../Compiler")} Compiler */
+
+class ImportMetaContextPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			"RequireContextPlugin",
+			(compilation, { contextModuleFactory, normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					ImportMetaContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ImportMetaContextDependency,
+					new ImportMetaContextDependency.Template()
+				);
+				compilation.dependencyFactories.set(
+					ContextElementDependency,
+					normalModuleFactory
+				);
+
+				const handler = (parser, parserOptions) => {
+					if (
+						parserOptions.importMetaContext !== undefined &&
+						!parserOptions.importMetaContext
+					)
+						return;
+
+					new ImportMetaContextDependencyParserPlugin().apply(parser);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for("javascript/auto")
+					.tap("ImportMetaContextPlugin", handler);
+				normalModuleFactory.hooks.parser
+					.for("javascript/esm")
+					.tap("ImportMetaContextPlugin", handler);
+			}
+		);
+	}
+}
+
+module.exports = ImportMetaContextPlugin;