mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			63 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			63 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
/*
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	MIT License http://www.opensource.org/licenses/mit-license.php
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	Author Tobias Koppers @sokra
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const AsyncWasmLoadingRuntimeModule = require("../wasm-async/AsyncWasmLoadingRuntimeModule");
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/** @typedef {import("../Compiler")} Compiler */
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class FetchCompileAsyncWasmPlugin {
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	/**
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	 * Apply the plugin
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	 * @param {Compiler} compiler the compiler instance
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	 * @returns {void}
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	 */
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	apply(compiler) {
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		compiler.hooks.thisCompilation.tap(
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			"FetchCompileAsyncWasmPlugin",
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			compilation => {
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				const globalWasmLoading = compilation.outputOptions.wasmLoading;
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				const isEnabledForChunk = chunk => {
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					const options = chunk.getEntryOptions();
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					const wasmLoading =
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						options && options.wasmLoading !== undefined
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							? options.wasmLoading
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							: globalWasmLoading;
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					return wasmLoading === "fetch";
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				};
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				const generateLoadBinaryCode = path =>
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					`fetch(${RuntimeGlobals.publicPath} + ${path})`;
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				compilation.hooks.runtimeRequirementInTree
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					.for(RuntimeGlobals.instantiateWasm)
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					.tap("FetchCompileAsyncWasmPlugin", (chunk, set) => {
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						if (!isEnabledForChunk(chunk)) return;
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						const chunkGraph = compilation.chunkGraph;
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						if (
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							!chunkGraph.hasModuleInGraph(
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								chunk,
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								m => m.type === "webassembly/async"
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							)
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						) {
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							return;
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						}
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						set.add(RuntimeGlobals.publicPath);
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						compilation.addRuntimeModule(
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							chunk,
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							new AsyncWasmLoadingRuntimeModule({
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								generateLoadBinaryCode,
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								supportsStreaming: true
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							})
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						);
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					});
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			}
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		);
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	}
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}
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module.exports = FetchCompileAsyncWasmPlugin;
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