feat: initial commit

node_modules/webpack/lib/asset/AssetSourceGenerator.js

@@ -0,0 +1,96 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Sergey Melyukov @smelukov
+*/
+
+"use strict";
+
+const { RawSource } = require("webpack-sources");
+const ConcatenationScope = require("../ConcatenationScope");
+const Generator = require("../Generator");
+const RuntimeGlobals = require("../RuntimeGlobals");
+
+/** @typedef {import("webpack-sources").Source} Source */
+/** @typedef {import("../Generator").GenerateContext} GenerateContext */
+/** @typedef {import("../Module").ConcatenationBailoutReasonContext} ConcatenationBailoutReasonContext */
+/** @typedef {import("../NormalModule")} NormalModule */
+
+const TYPES = new Set(["javascript"]);
+
+class AssetSourceGenerator extends Generator {
+	/**
+	 * @param {NormalModule} module module for which the code should be generated
+	 * @param {GenerateContext} generateContext context for generate
+	 * @returns {Source} generated code
+	 */
+	generate(
+		module,
+		{ concatenationScope, chunkGraph, runtimeTemplate, runtimeRequirements }
+	) {
+		const originalSource = module.originalSource();
+
+		if (!originalSource) {
+			return new RawSource("");
+		}
+
+		const content = originalSource.source();
+
+		let encodedSource;
+		if (typeof content === "string") {
+			encodedSource = content;
+		} else {
+			encodedSource = content.toString("utf-8");
+		}
+
+		let sourceContent;
+		if (concatenationScope) {
+			concatenationScope.registerNamespaceExport(
+				ConcatenationScope.NAMESPACE_OBJECT_EXPORT
+			);
+			sourceContent = `${runtimeTemplate.supportsConst() ? "const" : "var"} ${
+				ConcatenationScope.NAMESPACE_OBJECT_EXPORT
+			} = ${JSON.stringify(encodedSource)};`;
+		} else {
+			runtimeRequirements.add(RuntimeGlobals.module);
+			sourceContent = `${RuntimeGlobals.module}.exports = ${JSON.stringify(
+				encodedSource
+			)};`;
+		}
+		return new RawSource(sourceContent);
+	}
+
+	/**
+	 * @param {NormalModule} module module for which the bailout reason should be determined
+	 * @param {ConcatenationBailoutReasonContext} context context
+	 * @returns {string | undefined} reason why this module can't be concatenated, undefined when it can be concatenated
+	 */
+	getConcatenationBailoutReason(module, context) {
+		return undefined;
+	}
+
+	/**
+	 * @param {NormalModule} module fresh module
+	 * @returns {Set<string>} available types (do not mutate)
+	 */
+	getTypes(module) {
+		return TYPES;
+	}
+
+	/**
+	 * @param {NormalModule} module the module
+	 * @param {string=} type source type
+	 * @returns {number} estimate size of the module
+	 */
+	getSize(module, type) {
+		const originalSource = module.originalSource();
+
+		if (!originalSource) {
+			return 0;
+		}
+
+		// Example: m.exports="abcd"
+		return originalSource.size() + 12;
+	}
+}
+
+module.exports = AssetSourceGenerator;