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rOACCT/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyModulesPlugin.js
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AsyncWebAssemblyModulesPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { SyncWaterfallHook } = require("tapable");
const Compilation = require("../Compilation");
const Generator = require("../Generator");
const { tryRunOrWebpackError } = require("../HookWebpackError");
const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
const { compareModulesByIdentifier } = require("../util/comparators");
const memorize = require("../util/memorize");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../CodeGenerationResults")} CodeGenerationResults */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../DependencyTemplates")} DependencyTemplates */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
/** @typedef {import("../Template").RenderManifestEntry} RenderManifestEntry */
/** @typedef {import("../Template").RenderManifestOptions} RenderManifestOptions */
const getAsyncWebAssemblyGenerator = memorize(() =>
require("./AsyncWebAssemblyGenerator")
);
const getAsyncWebAssemblyJavascriptGenerator = memorize(() =>
require("./AsyncWebAssemblyJavascriptGenerator")
);
const getAsyncWebAssemblyParser = memorize(() =>
require("./AsyncWebAssemblyParser")
);
/**
* @typedef {Object} RenderContext
* @property {Chunk} chunk the chunk
* @property {DependencyTemplates} dependencyTemplates the dependency templates
* @property {RuntimeTemplate} runtimeTemplate the runtime template
* @property {ModuleGraph} moduleGraph the module graph
* @property {ChunkGraph} chunkGraph the chunk graph
* @property {CodeGenerationResults} codeGenerationResults results of code generation
*/
/**
* @typedef {Object} CompilationHooks
* @property {SyncWaterfallHook<[Source, Module, RenderContext]>} renderModuleContent
*/
/** @type {WeakMap<Compilation, CompilationHooks>} */
const compilationHooksMap = new WeakMap();
class AsyncWebAssemblyModulesPlugin {
/**
* @param {Compilation} compilation the compilation
* @returns {CompilationHooks} the attached hooks
*/
static getCompilationHooks(compilation) {
if (!(compilation instanceof Compilation)) {
throw new TypeError(
"The 'compilation' argument must be an instance of Compilation"
);
}
let hooks = compilationHooksMap.get(compilation);
if (hooks === undefined) {
hooks = {
renderModuleContent: new SyncWaterfallHook([
"source",
"module",
"renderContext"
])
};
compilationHooksMap.set(compilation, hooks);
}
return hooks;
}
constructor(options) {
this.options = options;
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"AsyncWebAssemblyModulesPlugin",
(compilation, { normalModuleFactory }) => {
const hooks = AsyncWebAssemblyModulesPlugin.getCompilationHooks(
compilation
);
compilation.dependencyFactories.set(
WebAssemblyImportDependency,
normalModuleFactory
);
normalModuleFactory.hooks.createParser
.for("webassembly/async")
.tap("AsyncWebAssemblyModulesPlugin", () => {
const AsyncWebAssemblyParser = getAsyncWebAssemblyParser();
return new AsyncWebAssemblyParser();
});
normalModuleFactory.hooks.createGenerator
.for("webassembly/async")
.tap("AsyncWebAssemblyModulesPlugin", () => {
const AsyncWebAssemblyJavascriptGenerator = getAsyncWebAssemblyJavascriptGenerator();
const AsyncWebAssemblyGenerator = getAsyncWebAssemblyGenerator();
return Generator.byType({
javascript: new AsyncWebAssemblyJavascriptGenerator(
compilation.outputOptions.webassemblyModuleFilename
),
webassembly: new AsyncWebAssemblyGenerator(this.options)
});
});
compilation.hooks.renderManifest.tap(
"WebAssemblyModulesPlugin",
(result, options) => {
const { moduleGraph, chunkGraph, runtimeTemplate } = compilation;
const {
chunk,
outputOptions,
dependencyTemplates,
codeGenerationResults
} = options;
for (const module of chunkGraph.getOrderedChunkModulesIterable(
chunk,
compareModulesByIdentifier
)) {
if (module.type === "webassembly/async") {
const filenameTemplate =
outputOptions.webassemblyModuleFilename;
result.push({
render: () =>
this.renderModule(
module,
{
chunk,
dependencyTemplates,
runtimeTemplate,
moduleGraph,
chunkGraph,
codeGenerationResults
},
hooks
),
filenameTemplate,
pathOptions: {
module,
runtime: chunk.runtime,
chunkGraph
},
auxiliary: true,
identifier: `webassemblyAsyncModule${chunkGraph.getModuleId(
module
)}`,
hash: chunkGraph.getModuleHash(module, chunk.runtime)
});
}
}
return result;
}
);
}
);
}
renderModule(module, renderContext, hooks) {
const { codeGenerationResults, chunk } = renderContext;
try {
const moduleSource = codeGenerationResults.getSource(
module,
chunk.runtime,
"webassembly"
);
return tryRunOrWebpackError(
() =>
hooks.renderModuleContent.call(moduleSource, module, renderContext),
"AsyncWebAssemblyModulesPlugin.getCompilationHooks().renderModuleContent"
);
} catch (e) {
e.module = module;
throw e;
}
}
}
module.exports = AsyncWebAssemblyModulesPlugin;
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