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63 lines
1.6 KiB
63 lines
1.6 KiB
3 years ago
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/*
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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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