diff options
Diffstat (limited to 'node_modules/webpack/lib/wasm-async/AsyncWebAssemblyJavascriptGenerator.js')
| -rw-r--r-- | node_modules/webpack/lib/wasm-async/AsyncWebAssemblyJavascriptGenerator.js | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyJavascriptGenerator.js b/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyJavascriptGenerator.js deleted file mode 100644 index baa71333..00000000 --- a/node_modules/webpack/lib/wasm-async/AsyncWebAssemblyJavascriptGenerator.js +++ /dev/null @@ -1,205 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ - -"use strict"; - -const { RawSource } = require("webpack-sources"); -const Generator = require("../Generator"); -const InitFragment = require("../InitFragment"); -const RuntimeGlobals = require("../RuntimeGlobals"); -const Template = require("../Template"); -const WebAssemblyImportDependency = require("../dependencies/WebAssemblyImportDependency"); - -/** @typedef {import("webpack-sources").Source} Source */ -/** @typedef {import("../../declarations/WebpackOptions").OutputNormalized} OutputOptions */ -/** @typedef {import("../DependencyTemplates")} DependencyTemplates */ -/** @typedef {import("../Generator").GenerateContext} GenerateContext */ -/** @typedef {import("../Module")} Module */ -/** @typedef {import("../NormalModule")} NormalModule */ -/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */ - -const TYPES = new Set(["webassembly"]); - -/** - * @typedef {{ request: string, importVar: string }} ImportObjRequestItem - */ - -class AsyncWebAssemblyJavascriptGenerator extends Generator { - /** - * @param {OutputOptions["webassemblyModuleFilename"]} filenameTemplate template for the WebAssembly module filename - */ - constructor(filenameTemplate) { - super(); - this.filenameTemplate = filenameTemplate; - } - - /** - * @param {NormalModule} module fresh module - * @returns {Set<string>} available types (do not mutate) - */ - getTypes(module) { - return TYPES; - } - - /** - * @param {NormalModule} module the module - * @param {string=} type source type - * @returns {number} estimate size of the module - */ - getSize(module, type) { - return 40 + module.dependencies.length * 10; - } - - /** - * @param {NormalModule} module module for which the code should be generated - * @param {GenerateContext} generateContext context for generate - * @returns {Source} generated code - */ - generate(module, generateContext) { - const { - runtimeTemplate, - chunkGraph, - moduleGraph, - runtimeRequirements, - runtime - } = generateContext; - runtimeRequirements.add(RuntimeGlobals.module); - runtimeRequirements.add(RuntimeGlobals.moduleId); - runtimeRequirements.add(RuntimeGlobals.exports); - runtimeRequirements.add(RuntimeGlobals.instantiateWasm); - /** @type {InitFragment<InitFragment<string>>[]} */ - const initFragments = []; - /** @type {Map<Module, ImportObjRequestItem>} */ - const depModules = new Map(); - /** @type {Map<string, WebAssemblyImportDependency[]>} */ - const wasmDepsByRequest = new Map(); - for (const dep of module.dependencies) { - if (dep instanceof WebAssemblyImportDependency) { - const module = moduleGraph.getModule(dep); - if (!depModules.has(module)) { - depModules.set(module, { - request: dep.request, - importVar: `WEBPACK_IMPORTED_MODULE_${depModules.size}` - }); - } - let list = wasmDepsByRequest.get(dep.request); - if (list === undefined) { - list = []; - wasmDepsByRequest.set(dep.request, list); - } - list.push(dep); - } - } - - /** @type {Array<string>} */ - const promises = []; - - const importStatements = Array.from( - depModules, - ([importedModule, { request, importVar }]) => { - if (moduleGraph.isAsync(importedModule)) { - promises.push(importVar); - } - return runtimeTemplate.importStatement({ - update: false, - module: importedModule, - chunkGraph, - request, - originModule: module, - importVar, - runtimeRequirements - }); - } - ); - const importsCode = importStatements.map(([x]) => x).join(""); - const importsCompatCode = importStatements.map(([_, x]) => x).join(""); - - const importObjRequestItems = Array.from( - wasmDepsByRequest, - ([request, deps]) => { - const exportItems = deps.map(dep => { - const importedModule = moduleGraph.getModule(dep); - const importVar = - /** @type {ImportObjRequestItem} */ - (depModules.get(importedModule)).importVar; - return `${JSON.stringify( - dep.name - )}: ${runtimeTemplate.exportFromImport({ - moduleGraph, - module: importedModule, - request, - exportName: dep.name, - originModule: module, - asiSafe: true, - isCall: false, - callContext: false, - defaultInterop: true, - importVar, - initFragments, - runtime, - runtimeRequirements - })}`; - }); - return Template.asString([ - `${JSON.stringify(request)}: {`, - Template.indent(exportItems.join(",\n")), - "}" - ]); - } - ); - - const importsObj = - importObjRequestItems.length > 0 - ? Template.asString([ - "{", - Template.indent(importObjRequestItems.join(",\n")), - "}" - ]) - : undefined; - - const instantiateCall = - `${RuntimeGlobals.instantiateWasm}(${module.exportsArgument}, ${ - module.moduleArgument - }.id, ${JSON.stringify( - chunkGraph.getRenderedModuleHash(module, runtime) - )}` + (importsObj ? `, ${importsObj})` : `)`); - - if (promises.length > 0) - runtimeRequirements.add(RuntimeGlobals.asyncModule); - - const source = new RawSource( - promises.length > 0 - ? Template.asString([ - `var __webpack_instantiate__ = ${runtimeTemplate.basicFunction( - `[${promises.join(", ")}]`, - `${importsCompatCode}return ${instantiateCall};` - )}`, - `${RuntimeGlobals.asyncModule}(${ - module.moduleArgument - }, async ${runtimeTemplate.basicFunction( - "__webpack_handle_async_dependencies__, __webpack_async_result__", - [ - "try {", - importsCode, - `var __webpack_async_dependencies__ = __webpack_handle_async_dependencies__([${promises.join( - ", " - )}]);`, - `var [${promises.join( - ", " - )}] = __webpack_async_dependencies__.then ? (await __webpack_async_dependencies__)() : __webpack_async_dependencies__;`, - `${importsCompatCode}await ${instantiateCall};`, - "__webpack_async_result__();", - "} catch(e) { __webpack_async_result__(e); }" - ] - )}, 1);` - ]) - : `${importsCode}${importsCompatCode}module.exports = ${instantiateCall};` - ); - - return InitFragment.addToSource(source, initFragments, generateContext); - } -} - -module.exports = AsyncWebAssemblyJavascriptGenerator; |