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6 | "use strict";
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7 |
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8 | const RuntimeGlobals = require("../RuntimeGlobals");
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9 | const AsyncWasmLoadingRuntimeModule = require("../wasm-async/AsyncWasmLoadingRuntimeModule");
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10 |
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11 |
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12 |
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13 | class FetchCompileAsyncWasmPlugin {
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14 | |
15 |
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16 |
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17 |
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18 |
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19 | apply(compiler) {
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20 | compiler.hooks.thisCompilation.tap(
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21 | "FetchCompileAsyncWasmPlugin",
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22 | compilation => {
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23 | const globalWasmLoading = compilation.outputOptions.wasmLoading;
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24 | const isEnabledForChunk = chunk => {
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25 | const options = chunk.getEntryOptions();
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26 | const wasmLoading =
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27 | options && options.wasmLoading !== undefined
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28 | ? options.wasmLoading
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29 | : globalWasmLoading;
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30 | return wasmLoading === "fetch";
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31 | };
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32 | const generateLoadBinaryCode = path =>
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33 | `fetch(${RuntimeGlobals.publicPath} + ${path})`;
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34 |
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35 | compilation.hooks.runtimeRequirementInTree
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36 | .for(RuntimeGlobals.instantiateWasm)
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37 | .tap("FetchCompileAsyncWasmPlugin", (chunk, set) => {
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38 | if (!isEnabledForChunk(chunk)) return;
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39 | const chunkGraph = compilation.chunkGraph;
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40 | if (
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41 | !chunkGraph.hasModuleInGraph(
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42 | chunk,
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43 | m => m.type === "webassembly/async"
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44 | )
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45 | ) {
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46 | return;
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47 | }
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48 | set.add(RuntimeGlobals.publicPath);
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49 | compilation.addRuntimeModule(
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50 | chunk,
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51 | new AsyncWasmLoadingRuntimeModule({
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52 | generateLoadBinaryCode,
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53 | supportsStreaming: true
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54 | })
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55 | );
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56 | });
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57 | }
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58 | );
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59 | }
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60 | }
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61 |
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62 | module.exports = FetchCompileAsyncWasmPlugin;
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