1 files changed, 56 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/FlagEntryExportAsUsedPlugin.js b/node_modules/webpack/lib/FlagEntryExportAsUsedPlugin.js
new file mode 100644
index 00000000..d2826d12
--- /dev/null
+++ b/node_modules/webpack/lib/FlagEntryExportAsUsedPlugin.js
@@ -0,0 +1,56 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { getEntryRuntime } = require("./util/runtime");
+
+/** @typedef {import("./Compiler")} Compiler */
+
+const PLUGIN_NAME = "FlagEntryExportAsUsedPlugin";
+
+class FlagEntryExportAsUsedPlugin {
+	/**
+	 * @param {boolean} nsObjectUsed true, if the ns object is used
+	 * @param {string} explanation explanation for the reason
+	 */
+	constructor(nsObjectUsed, explanation) {
+		this.nsObjectUsed = nsObjectUsed;
+		this.explanation = explanation;
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		compiler.hooks.thisCompilation.tap(PLUGIN_NAME, compilation => {
+			const moduleGraph = compilation.moduleGraph;
+			compilation.hooks.seal.tap(PLUGIN_NAME, () => {
+				for (const [
+					entryName,
+					{ dependencies: deps, options }
+				] of compilation.entries) {
+					const runtime = getEntryRuntime(compilation, entryName, options);
+					for (const dep of deps) {
+						const module = moduleGraph.getModule(dep);
+						if (module) {
+							const exportsInfo = moduleGraph.getExportsInfo(module);
+							if (this.nsObjectUsed) {
+								exportsInfo.setUsedInUnknownWay(runtime);
+							} else {
+								exportsInfo.setAllKnownExportsUsed(runtime);
+							}
+							moduleGraph.addExtraReason(module, this.explanation);
+						}
+					}
+				}
+			});
+		});
+	}
+}
+
+module.exports = FlagEntryExportAsUsedPlugin;