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4 years ago
/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const Generator = require("../Generator");
const WebAssemblyExportImportedDependency = require("../dependencies/WebAssemblyExportImportedDependency");
const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency");
const WebAssemblyInInitialChunkError = require("./WebAssemblyInInitialChunkError");
/** @typedef {import("../Compiler")} Compiler */
let WebAssemblyGenerator;
let WebAssemblyJavascriptGenerator;
let WebAssemblyParser;
class WebAssemblyModulesPlugin {
constructor(options) {
this.options = options;
}
/**
* @param {Compiler} compiler compiler
* @returns {void}
*/
apply(compiler) {
compiler.hooks.compilation.tap(
"WebAssemblyModulesPlugin",
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
WebAssemblyImportDependency,
normalModuleFactory
);
compilation.dependencyFactories.set(
WebAssemblyExportImportedDependency,
normalModuleFactory
);
normalModuleFactory.hooks.createParser
.for("webassembly/experimental")
.tap("WebAssemblyModulesPlugin", () => {
if (WebAssemblyParser === undefined) {
WebAssemblyParser = require("./WebAssemblyParser");
}
return new WebAssemblyParser();
});
normalModuleFactory.hooks.createGenerator
.for("webassembly/experimental")
.tap("WebAssemblyModulesPlugin", () => {
if (WebAssemblyGenerator === undefined) {
WebAssemblyGenerator = require("./WebAssemblyGenerator");
}
if (WebAssemblyJavascriptGenerator === undefined) {
WebAssemblyJavascriptGenerator = require("./WebAssemblyJavascriptGenerator");
}
return Generator.byType({
javascript: new WebAssemblyJavascriptGenerator(),
webassembly: new WebAssemblyGenerator(this.options)
});
});
compilation.chunkTemplate.hooks.renderManifest.tap(
"WebAssemblyModulesPlugin",
(result, options) => {
const chunk = options.chunk;
const outputOptions = options.outputOptions;
const moduleTemplates = options.moduleTemplates;
const dependencyTemplates = options.dependencyTemplates;
for (const module of chunk.modulesIterable) {
if (module.type && module.type.startsWith("webassembly")) {
const filenameTemplate =
outputOptions.webassemblyModuleFilename;
result.push({
render: () =>
this.renderWebAssembly(
module,
moduleTemplates.webassembly,
dependencyTemplates
),
filenameTemplate,
pathOptions: {
module
},
identifier: `webassemblyModule${module.id}`,
hash: module.hash
});
}
}
return result;
}
);
compilation.hooks.afterChunks.tap("WebAssemblyModulesPlugin", () => {
const initialWasmModules = new Set();
for (const chunk of compilation.chunks) {
if (chunk.canBeInitial()) {
for (const module of chunk.modulesIterable) {
if (module.type.startsWith("webassembly")) {
initialWasmModules.add(module);
}
}
}
}
for (const module of initialWasmModules) {
compilation.errors.push(
new WebAssemblyInInitialChunkError(
module,
compilation.requestShortener
)
);
}
});
}
);
}
renderWebAssembly(module, moduleTemplate, dependencyTemplates) {
return moduleTemplate.render(module, dependencyTemplates, {});
}
}
module.exports = WebAssemblyModulesPlugin;