FetchCompileAsyncWasmPlugin.js
a00ef2159c6eissn4frontend

FetchCompileAsyncWasmPlugin.js
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			/*
			MIT License http://www.opensource.org/licenses/mit-license.php
			Author Tobias Koppers @sokra
			*/

			"use strict";

			const RuntimeGlobals = require("../RuntimeGlobals");
			const AsyncWasmChunkLoadingRuntimeModule = require("../wasm-async/AsyncWasmChunkLoadingRuntimeModule");

			/** @typedef {import("../Compiler")} Compiler */

			class FetchCompileAsyncWasmPlugin {
			/**
			* Apply the plugin
			* @param {Compiler} compiler the compiler instance
			* @returns {void}
			*/
			apply(compiler) {
			compiler.hooks.thisCompilation.tap(
			"FetchCompileAsyncWasmPlugin",
			compilation => {
			const globalWasmLoading = compilation.outputOptions.wasmLoading;
			const isEnabledForChunk = chunk => {
			const options = chunk.getEntryOptions();
			const wasmLoading =
			(options && options.wasmLoading) \|\| globalWasmLoading;
			return wasmLoading === "fetch";
			};
			const generateLoadBinaryCode = path =>
			`fetch(${RuntimeGlobals.publicPath} + ${path})`;

			compilation.hooks.runtimeRequirementInTree
			.for(RuntimeGlobals.instantiateWasm)
			.tap("FetchCompileAsyncWasmPlugin", (chunk, set) => {
			if (!isEnabledForChunk(chunk)) return;
			const chunkGraph = compilation.chunkGraph;
			if (
			!chunkGraph.hasModuleInGraph(
			chunk,
			m => m.type === "webassembly/async"
			)
			) {
			return;
			}
			set.add(RuntimeGlobals.publicPath);
			compilation.addRuntimeModule(
			chunk,
			new AsyncWasmChunkLoadingRuntimeModule({
			generateLoadBinaryCode,
			supportsStreaming: true
			})
			);
			});
			}
			);
			}
			}

			module.exports = FetchCompileAsyncWasmPlugin;