1 files changed, 122 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/wasm/EnableWasmLoadingPlugin.js b/node_modules/webpack/lib/wasm/EnableWasmLoadingPlugin.js
new file mode 100644
index 00000000..9d452be4
--- /dev/null
+++ b/node_modules/webpack/lib/wasm/EnableWasmLoadingPlugin.js
@@ -0,0 +1,122 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
+/** @typedef {import("../../declarations/WebpackOptions").WasmLoadingType} WasmLoadingType */
+/** @typedef {import("../Compiler")} Compiler */
+
+/** @type {WeakMap<Compiler, Set<WasmLoadingType>>} */
+const enabledTypes = new WeakMap();
+
+/**
+ * @param {Compiler} compiler compiler instance
+ * @returns {Set<WasmLoadingType>} enabled types
+ */
+const getEnabledTypes = compiler => {
+	let set = enabledTypes.get(compiler);
+	if (set === undefined) {
+		set = new Set();
+		enabledTypes.set(compiler, set);
+	}
+	return set;
+};
+
+class EnableWasmLoadingPlugin {
+	/**
+	 * @param {WasmLoadingType} type library type that should be available
+	 */
+	constructor(type) {
+		this.type = type;
+	}
+
+	/**
+	 * @param {Compiler} compiler the compiler instance
+	 * @param {WasmLoadingType} type type of library
+	 * @returns {void}
+	 */
+	static setEnabled(compiler, type) {
+		getEnabledTypes(compiler).add(type);
+	}
+
+	/**
+	 * @param {Compiler} compiler the compiler instance
+	 * @param {WasmLoadingType} type type of library
+	 * @returns {void}
+	 */
+	static checkEnabled(compiler, type) {
+		if (!getEnabledTypes(compiler).has(type)) {
+			throw new Error(
+				`Library type "${type}" is not enabled. ` +
+					"EnableWasmLoadingPlugin need to be used to enable this type of wasm loading. " +
+					'This usually happens through the "output.enabledWasmLoadingTypes" option. ' +
+					'If you are using a function as entry which sets "wasmLoading", you need to add all potential library types to "output.enabledWasmLoadingTypes". ' +
+					"These types are enabled: " +
+					Array.from(getEnabledTypes(compiler)).join(", ")
+			);
+		}
+	}
+
+	/**
+	 * Apply the plugin
+	 * @param {Compiler} compiler the compiler instance
+	 * @returns {void}
+	 */
+	apply(compiler) {
+		const { type } = this;
+
+		// Only enable once
+		const enabled = getEnabledTypes(compiler);
+		if (enabled.has(type)) return;
+		enabled.add(type);
+
+		if (typeof type === "string") {
+			switch (type) {
+				case "fetch": {
+					// TODO webpack 6 remove FetchCompileWasmPlugin
+					const FetchCompileWasmPlugin = require("../web/FetchCompileWasmPlugin");
+					const FetchCompileAsyncWasmPlugin = require("../web/FetchCompileAsyncWasmPlugin");
+					new FetchCompileWasmPlugin({
+						mangleImports: compiler.options.optimization.mangleWasmImports
+					}).apply(compiler);
+					new FetchCompileAsyncWasmPlugin().apply(compiler);
+					break;
+				}
+				case "async-node": {
+					// TODO webpack 6 remove ReadFileCompileWasmPlugin
+					const ReadFileCompileWasmPlugin = require("../node/ReadFileCompileWasmPlugin");
+					// @ts-expect-error typescript bug for duplicate require
+					const ReadFileCompileAsyncWasmPlugin = require("../node/ReadFileCompileAsyncWasmPlugin");
+					new ReadFileCompileWasmPlugin({
+						mangleImports: compiler.options.optimization.mangleWasmImports
+					}).apply(compiler);
+					new ReadFileCompileAsyncWasmPlugin({ type }).apply(compiler);
+					break;
+				}
+				case "async-node-module": {
+					// @ts-expect-error typescript bug for duplicate require
+					const ReadFileCompileAsyncWasmPlugin = require("../node/ReadFileCompileAsyncWasmPlugin");
+					new ReadFileCompileAsyncWasmPlugin({ type, import: true }).apply(
+						compiler
+					);
+					break;
+				}
+				case "universal":
+					throw new Error(
+						"Universal WebAssembly Loading is not implemented yet"
+					);
+				default:
+					throw new Error(`Unsupported wasm loading type ${type}.
+Plugins which provide custom wasm loading types must call EnableWasmLoadingPlugin.setEnabled(compiler, type) to disable this error.`);
+			}
+		} else {
+			// TODO support plugin instances here
+			// apply them to the compiler
+		}
+	}
+}
+
+module.exports = EnableWasmLoadingPlugin;