110 lines
3.3 KiB
JavaScript
110 lines
3.3 KiB
JavaScript
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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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/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
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/** @typedef {import("../../declarations/WebpackOptions").WasmLoadingType} WasmLoadingType */
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/** @typedef {import("../Compiler")} Compiler */
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/** @type {WeakMap<Compiler, Set<WasmLoadingType>>} */
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const enabledTypes = new WeakMap();
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const getEnabledTypes = compiler => {
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let set = enabledTypes.get(compiler);
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if (set === undefined) {
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set = new Set();
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enabledTypes.set(compiler, set);
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}
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return set;
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};
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class EnableWasmLoadingPlugin {
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/**
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* @param {WasmLoadingType} type library type that should be available
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*/
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constructor(type) {
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this.type = type;
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}
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/**
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* @param {Compiler} compiler the compiler instance
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* @param {WasmLoadingType} type type of library
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* @returns {void}
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*/
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static setEnabled(compiler, type) {
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getEnabledTypes(compiler).add(type);
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}
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/**
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* @param {Compiler} compiler the compiler instance
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* @param {WasmLoadingType} type type of library
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* @returns {void}
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*/
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static checkEnabled(compiler, type) {
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if (!getEnabledTypes(compiler).has(type)) {
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throw new Error(
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`Library type "${type}" is not enabled. ` +
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"EnableWasmLoadingPlugin need to be used to enable this type of wasm loading. " +
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'This usually happens through the "output.enabledWasmLoadingTypes" option. ' +
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'If you are using a function as entry which sets "wasmLoading", you need to add all potential library types to "output.enabledWasmLoadingTypes". ' +
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"These types are enabled: " +
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Array.from(getEnabledTypes(compiler)).join(", ")
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);
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}
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}
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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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const { type } = this;
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// Only enable once
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const enabled = getEnabledTypes(compiler);
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if (enabled.has(type)) return;
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enabled.add(type);
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if (typeof type === "string") {
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switch (type) {
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case "fetch": {
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// TODO webpack 6 remove FetchCompileWasmPlugin
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const FetchCompileWasmPlugin = require("../web/FetchCompileWasmPlugin");
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const FetchCompileAsyncWasmPlugin = require("../web/FetchCompileAsyncWasmPlugin");
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new FetchCompileWasmPlugin({
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mangleImports: compiler.options.optimization.mangleWasmImports
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}).apply(compiler);
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new FetchCompileAsyncWasmPlugin().apply(compiler);
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break;
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}
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case "async-node": {
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// TODO webpack 6 remove ReadFileCompileWasmPlugin
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const ReadFileCompileWasmPlugin = require("../node/ReadFileCompileWasmPlugin");
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const ReadFileCompileAsyncWasmPlugin = require("../node/ReadFileCompileAsyncWasmPlugin");
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new ReadFileCompileWasmPlugin({
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mangleImports: compiler.options.optimization.mangleWasmImports
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}).apply(compiler);
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new ReadFileCompileAsyncWasmPlugin().apply(compiler);
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break;
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}
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case "universal":
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throw new Error(
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"Universal WebAssembly Loading is not implemented yet"
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);
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default:
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throw new Error(`Unsupported wasm loading type ${type}.
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Plugins which provide custom wasm loading types must call EnableWasmLoadingPlugin.setEnabled(compiler, type) to disable this error.`);
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}
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} else {
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// TODO support plugin instances here
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// apply them to the compiler
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}
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}
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}
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module.exports = EnableWasmLoadingPlugin;
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