backporting to webpack-4

webpack · Dec 17, 2019 · 77971bf · 77971bf
1 parent df9f3eb
commit 77971bf
Showing 1 changed file with 14 additions and 4 deletions.
diff --git a/lib/wasm/WebAssemblyModulesPlugin.js b/lib/wasm/WebAssemblyModulesPlugin.js
@@ -5,15 +5,16 @@
 "use strict";
 
 const Generator = require("../Generator");
-const WebAssemblyParser = require("./WebAssemblyParser");
-const WebAssemblyGenerator = require("./WebAssemblyGenerator");
-const WebAssemblyJavascriptGenerator = require("./WebAssemblyJavascriptGenerator");
-const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
 const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
+const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
 const WebAssemblyInInitialChunkError = require("./WebAssemblyInInitialChunkError");
 
 /** @typedef {import("../Compiler")} Compiler */
 
+let WebAssemblyGenerator;
+let WebAssemblyJavascriptGenerator;
+let WebAssemblyParser;
+
 class WebAssemblyModulesPlugin {
 	constructor(options) {
 		this.options = options;
@@ -40,12 +41,21 @@ class WebAssemblyModulesPlugin {
 				normalModuleFactory.hooks.createParser
 					.for("webassembly/experimental")
 					.tap("WebAssemblyModulesPlugin", () => {
+						if (WebAssemblyParser === undefined) {
+							WebAssemblyParser = require("./WebAssemblyParser");
+						}
 						return new WebAssemblyParser();
 					});
 
 				normalModuleFactory.hooks.createGenerator
 					.for("webassembly/experimental")
 					.tap("WebAssemblyModulesPlugin", () => {
+						if (WebAssemblyGenerator === undefined) {
+							WebAssemblyGenerator = require("./WebAssemblyGenerator");
+						}
+						if (WebAssemblyJavascriptGenerator === undefined) {
+							WebAssemblyJavascriptGenerator = require("./WebAssemblyJavascriptGenerator");
+						}
 						return Generator.byType({
 							javascript: new WebAssemblyJavascriptGenerator(),
 							webassembly: new WebAssemblyGenerator(this.options)