first

node_modules/webpack/lib/dependencies/HarmonyCompatibilityDependency.js

@@ -0,0 +1,92 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const { UsageState } = require("../ExportsInfo");
+const InitFragment = require("../InitFragment");
+const RuntimeGlobals = require("../RuntimeGlobals");
+const makeSerializable = require("../util/makeSerializable");
+const NullDependency = require("./NullDependency");
+
+/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
+/** @typedef {import("../Dependency")} Dependency */
+/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
+/** @typedef {import("../Module")} Module */
+/** @typedef {import("../Module").BuildMeta} BuildMeta */
+
+class HarmonyCompatibilityDependency extends NullDependency {
+	get type() {
+		return "harmony export header";
+	}
+}
+
+makeSerializable(
+	HarmonyCompatibilityDependency,
+	"webpack/lib/dependencies/HarmonyCompatibilityDependency"
+);
+
+HarmonyCompatibilityDependency.Template = class HarmonyExportDependencyTemplate extends (
+	NullDependency.Template
+) {
+	/**
+	 * @param {Dependency} dependency the dependency for which the template should be applied
+	 * @param {ReplaceSource} source the current replace source which can be modified
+	 * @param {DependencyTemplateContext} templateContext the context object
+	 * @returns {void}
+	 */
+	apply(
+		dependency,
+		source,
+		{
+			module,
+			runtimeTemplate,
+			moduleGraph,
+			initFragments,
+			runtimeRequirements,
+			runtime,
+			concatenationScope
+		}
+	) {
+		if (concatenationScope) return;
+		const exportsInfo = moduleGraph.getExportsInfo(module);
+		if (
+			exportsInfo.getReadOnlyExportInfo("__esModule").getUsed(runtime) !==
+			UsageState.Unused
+		) {
+			const content = runtimeTemplate.defineEsModuleFlagStatement({
+				exportsArgument: module.exportsArgument,
+				runtimeRequirements
+			});
+			initFragments.push(
+				new InitFragment(
+					content,
+					InitFragment.STAGE_HARMONY_EXPORTS,
+					0,
+					"harmony compatibility"
+				)
+			);
+		}
+		if (moduleGraph.isAsync(module)) {
+			runtimeRequirements.add(RuntimeGlobals.module);
+			runtimeRequirements.add(RuntimeGlobals.asyncModule);
+			initFragments.push(
+				new InitFragment(
+					runtimeTemplate.supportsArrowFunction()
+						? `${RuntimeGlobals.asyncModule}(${module.moduleArgument}, async (__webpack_handle_async_dependencies__, __webpack_async_result__) => { try {\n`
+						: `${RuntimeGlobals.asyncModule}(${module.moduleArgument}, async function (__webpack_handle_async_dependencies__, __webpack_async_result__) { try {\n`,
+					InitFragment.STAGE_ASYNC_BOUNDARY,
+					0,
+					undefined,
+					`\n__webpack_async_result__();\n} catch(e) { __webpack_async_result__(e); } }${
+						/** @type {BuildMeta} */ (module.buildMeta).async ? ", 1" : ""
+					});`
+				)
+			);
+		}
+	}
+};
+
+module.exports = HarmonyCompatibilityDependency;