更新

2026-03-30 01:04:46 +08:00
parent 050aa421b1
commit f627244b8f
5978 changed files with 1502187 additions and 2947 deletions
@@ -0,0 +1,72 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Ivan Kopeykin @vankop
+*/
+
+"use strict";
+
+const {
+	JAVASCRIPT_MODULE_TYPE_AUTO,
+	JAVASCRIPT_MODULE_TYPE_ESM
+} = require("../ModuleTypeConstants");
+const ContextElementDependency = require("./ContextElementDependency");
+const ImportMetaContextDependency = require("./ImportMetaContextDependency");
+const ImportMetaContextDependencyParserPlugin = require("./ImportMetaContextDependencyParserPlugin");
+
+/** @typedef {import("../../declarations/WebpackOptions").JavascriptParserOptions} JavascriptParserOptions */
+/** @typedef {import("../Compiler")} Compiler */
+/** @typedef {import("../javascript/JavascriptParser")} Parser */
+
+const PLUGIN_NAME = "ImportMetaContextPlugin";
+
+class ImportMetaContextPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			PLUGIN_NAME,
+			(compilation, { contextModuleFactory, normalModuleFactory }) => {
+				compilation.dependencyFactories.set(
+					ImportMetaContextDependency,
+					contextModuleFactory
+				);
+				compilation.dependencyTemplates.set(
+					ImportMetaContextDependency,
+					new ImportMetaContextDependency.Template()
+				);
+				compilation.dependencyFactories.set(
+					ContextElementDependency,
+					normalModuleFactory
+				);
+
+				/**
+				 * @param {Parser} parser parser parser
+				 * @param {JavascriptParserOptions} parserOptions parserOptions
+				 * @returns {void}
+				 */
+				const handler = (parser, parserOptions) => {
+					if (
+						parserOptions.importMetaContext !== undefined &&
+						!parserOptions.importMetaContext
+					) {
+						return;
+					}
+
+					new ImportMetaContextDependencyParserPlugin().apply(parser);
+				};
+
+				normalModuleFactory.hooks.parser
+					.for(JAVASCRIPT_MODULE_TYPE_AUTO)
+					.tap(PLUGIN_NAME, handler);
+				normalModuleFactory.hooks.parser
+					.for(JAVASCRIPT_MODULE_TYPE_ESM)
+					.tap(PLUGIN_NAME, handler);
+			}
+		);
+	}
+}
+
+module.exports = ImportMetaContextPlugin;