feat: initial commit

node_modules/webpack/lib/ExportsInfoApiPlugin.js

@@ -0,0 +1,87 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const {
+	JAVASCRIPT_MODULE_TYPE_AUTO,
+	JAVASCRIPT_MODULE_TYPE_DYNAMIC,
+	JAVASCRIPT_MODULE_TYPE_ESM
+} = require("./ModuleTypeConstants");
+const ConstDependency = require("./dependencies/ConstDependency");
+const ExportsInfoDependency = require("./dependencies/ExportsInfoDependency");
+
+/** @typedef {import("./Compiler")} Compiler */
+/** @typedef {import("./Dependency").DependencyLocation} DependencyLocation */
+/** @typedef {import("./javascript/JavascriptParser")} JavascriptParser */
+/** @typedef {import("./javascript/JavascriptParser").Range} Range */
+
+const PLUGIN_NAME = "ExportsInfoApiPlugin";
+
+class ExportsInfoApiPlugin {
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.compilation.tap(
+			PLUGIN_NAME,
+			(compilation, { normalModuleFactory }) => {
+				compilation.dependencyTemplates.set(
+					ExportsInfoDependency,
+					new ExportsInfoDependency.Template()
+				);
+				/**
+				 * @param {JavascriptParser} parser the parser
+				 * @returns {void}
+				 */
+				const handler = parser => {
+					parser.hooks.expressionMemberChain
+						.for("__webpack_exports_info__")
+						.tap(PLUGIN_NAME, (expr, members) => {
+							const dep =
+								members.length >= 2
+									? new ExportsInfoDependency(
+											/** @type {Range} */ (expr.range),
+											members.slice(0, -1),
+											members[members.length - 1]
+										)
+									: new ExportsInfoDependency(
+											/** @type {Range} */ (expr.range),
+											null,
+											members[0]
+										);
+							dep.loc = /** @type {DependencyLocation} */ (expr.loc);
+							parser.state.module.addDependency(dep);
+							return true;
+						});
+					parser.hooks.expression
+						.for("__webpack_exports_info__")
+						.tap(PLUGIN_NAME, expr => {
+							const dep = new ConstDependency(
+								"true",
+								/** @type {Range} */ (expr.range)
+							);
+							dep.loc = /** @type {DependencyLocation} */ (expr.loc);
+							parser.state.module.addPresentationalDependency(dep);
+							return true;
+						});
+				};
+				normalModuleFactory.hooks.parser
+					.for(JAVASCRIPT_MODULE_TYPE_AUTO)
+					.tap(PLUGIN_NAME, handler);
+				normalModuleFactory.hooks.parser
+					.for(JAVASCRIPT_MODULE_TYPE_DYNAMIC)
+					.tap(PLUGIN_NAME, handler);
+				normalModuleFactory.hooks.parser
+					.for(JAVASCRIPT_MODULE_TYPE_ESM)
+					.tap(PLUGIN_NAME, handler);
+			}
+		);
+	}
+}
+
+module.exports = ExportsInfoApiPlugin;