mirror of https://github.com/webpack/webpack.git
				
				
				
			
		
			
				
	
	
		
			64 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.7 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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| 
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| "use strict";
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| 
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| const { WEBASSEMBLY_MODULE_TYPE_ASYNC } = require("../ModuleTypeConstants");
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| const RuntimeGlobals = require("../RuntimeGlobals");
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| const AsyncWasmLoadingRuntimeModule = require("../wasm-async/AsyncWasmLoadingRuntimeModule");
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| 
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| /** @typedef {import("../Compiler")} Compiler */
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| 
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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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| 
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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_MODULE_TYPE_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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| 
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| module.exports = FetchCompileAsyncWasmPlugin;
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