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Diffstat (limited to 'node_modules/webpack/lib/container/ContainerEntryModule.js')
| -rw-r--r-- | node_modules/webpack/lib/container/ContainerEntryModule.js | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/container/ContainerEntryModule.js b/node_modules/webpack/lib/container/ContainerEntryModule.js new file mode 100644 index 00000000..789abf29 --- /dev/null +++ b/node_modules/webpack/lib/container/ContainerEntryModule.js @@ -0,0 +1,296 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Tobias Koppers @sokra, Zackary Jackson @ScriptedAlchemy, Marais Rossouw @maraisr +*/ + +"use strict"; + +const { OriginalSource, RawSource } = require("webpack-sources"); +const AsyncDependenciesBlock = require("../AsyncDependenciesBlock"); +const Module = require("../Module"); +const { JAVASCRIPT_MODULE_TYPE_DYNAMIC } = require("../ModuleTypeConstants"); +const RuntimeGlobals = require("../RuntimeGlobals"); +const Template = require("../Template"); +const StaticExportsDependency = require("../dependencies/StaticExportsDependency"); +const makeSerializable = require("../util/makeSerializable"); +const ContainerExposedDependency = require("./ContainerExposedDependency"); + +/** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */ +/** @typedef {import("../ChunkGraph")} ChunkGraph */ +/** @typedef {import("../ChunkGroup")} ChunkGroup */ +/** @typedef {import("../Compilation")} Compilation */ +/** @typedef {import("../Module").CodeGenerationContext} CodeGenerationContext */ +/** @typedef {import("../Module").CodeGenerationResult} CodeGenerationResult */ +/** @typedef {import("../Module").LibIdentOptions} LibIdentOptions */ +/** @typedef {import("../Module").NeedBuildContext} NeedBuildContext */ +/** @typedef {import("../Module").SourceTypes} SourceTypes */ +/** @typedef {import("../RequestShortener")} RequestShortener */ +/** @typedef {import("../ResolverFactory").ResolverWithOptions} ResolverWithOptions */ +/** @typedef {import("../WebpackError")} WebpackError */ +/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */ +/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */ +/** @typedef {import("../util/Hash")} Hash */ +/** @typedef {import("../util/fs").InputFileSystem} InputFileSystem */ +/** @typedef {import("./ContainerEntryDependency")} ContainerEntryDependency */ + +/** + * @typedef {object} ExposeOptions + * @property {string[]} import requests to exposed modules (last one is exported) + * @property {string} name custom chunk name for the exposed module + */ + +/** @typedef {[string, ExposeOptions][]} ExposesList */ + +const SOURCE_TYPES = new Set(["javascript"]); + +class ContainerEntryModule extends Module { + /** + * @param {string} name container entry name + * @param {ExposesList} exposes list of exposed modules + * @param {string} shareScope name of the share scope + */ + constructor(name, exposes, shareScope) { + super(JAVASCRIPT_MODULE_TYPE_DYNAMIC, null); + this._name = name; + this._exposes = exposes; + this._shareScope = shareScope; + } + + /** + * @returns {SourceTypes} types available (do not mutate) + */ + getSourceTypes() { + return SOURCE_TYPES; + } + + /** + * @returns {string} a unique identifier of the module + */ + identifier() { + return `container entry (${this._shareScope}) ${JSON.stringify( + this._exposes + )}`; + } + + /** + * @param {RequestShortener} requestShortener the request shortener + * @returns {string} a user readable identifier of the module + */ + readableIdentifier(requestShortener) { + return "container entry"; + } + + /** + * @param {LibIdentOptions} options options + * @returns {string | null} an identifier for library inclusion + */ + libIdent(options) { + return `${this.layer ? `(${this.layer})/` : ""}webpack/container/entry/${ + this._name + }`; + } + + /** + * @param {NeedBuildContext} context context info + * @param {function((WebpackError | null)=, boolean=): void} callback callback function, returns true, if the module needs a rebuild + * @returns {void} + */ + needBuild(context, callback) { + return callback(null, !this.buildMeta); + } + + /** + * @param {WebpackOptions} options webpack options + * @param {Compilation} compilation the compilation + * @param {ResolverWithOptions} resolver the resolver + * @param {InputFileSystem} fs the file system + * @param {function(WebpackError=): void} callback callback function + * @returns {void} + */ + build(options, compilation, resolver, fs, callback) { + this.buildMeta = {}; + this.buildInfo = { + strict: true, + topLevelDeclarations: new Set(["moduleMap", "get", "init"]) + }; + this.buildMeta.exportsType = "namespace"; + + this.clearDependenciesAndBlocks(); + + for (const [name, options] of this._exposes) { + const block = new AsyncDependenciesBlock( + { + name: options.name + }, + { name }, + options.import[options.import.length - 1] + ); + let idx = 0; + for (const request of options.import) { + const dep = new ContainerExposedDependency(name, request); + dep.loc = { + name, + index: idx++ + }; + + block.addDependency(dep); + } + this.addBlock(block); + } + this.addDependency(new StaticExportsDependency(["get", "init"], false)); + + callback(); + } + + /** + * @param {CodeGenerationContext} context context for code generation + * @returns {CodeGenerationResult} result + */ + codeGeneration({ moduleGraph, chunkGraph, runtimeTemplate }) { + const sources = new Map(); + const runtimeRequirements = new Set([ + RuntimeGlobals.definePropertyGetters, + RuntimeGlobals.hasOwnProperty, + RuntimeGlobals.exports + ]); + const getters = []; + + for (const block of this.blocks) { + const { dependencies } = block; + + const modules = dependencies.map(dependency => { + const dep = /** @type {ContainerExposedDependency} */ (dependency); + return { + name: dep.exposedName, + module: moduleGraph.getModule(dep), + request: dep.userRequest + }; + }); + + let str; + + if (modules.some(m => !m.module)) { + str = runtimeTemplate.throwMissingModuleErrorBlock({ + request: modules.map(m => m.request).join(", ") + }); + } else { + str = `return ${runtimeTemplate.blockPromise({ + block, + message: "", + chunkGraph, + runtimeRequirements + })}.then(${runtimeTemplate.returningFunction( + runtimeTemplate.returningFunction( + `(${modules + .map(({ module, request }) => + runtimeTemplate.moduleRaw({ + module, + chunkGraph, + request, + weak: false, + runtimeRequirements + }) + ) + .join(", ")})` + ) + )});`; + } + + getters.push( + `${JSON.stringify(modules[0].name)}: ${runtimeTemplate.basicFunction( + "", + str + )}` + ); + } + + const source = Template.asString([ + "var moduleMap = {", + Template.indent(getters.join(",\n")), + "};", + `var get = ${runtimeTemplate.basicFunction("module, getScope", [ + `${RuntimeGlobals.currentRemoteGetScope} = getScope;`, + // reusing the getScope variable to avoid creating a new var (and module is also used later) + "getScope = (", + Template.indent([ + `${RuntimeGlobals.hasOwnProperty}(moduleMap, module)`, + Template.indent([ + "? moduleMap[module]()", + `: Promise.resolve().then(${runtimeTemplate.basicFunction( + "", + "throw new Error('Module \"' + module + '\" does not exist in container.');" + )})` + ]) + ]), + ");", + `${RuntimeGlobals.currentRemoteGetScope} = undefined;`, + "return getScope;" + ])};`, + `var init = ${runtimeTemplate.basicFunction("shareScope, initScope", [ + `if (!${RuntimeGlobals.shareScopeMap}) return;`, + `var name = ${JSON.stringify(this._shareScope)}`, + `var oldScope = ${RuntimeGlobals.shareScopeMap}[name];`, + `if(oldScope && oldScope !== shareScope) throw new Error("Container initialization failed as it has already been initialized with a different share scope");`, + `${RuntimeGlobals.shareScopeMap}[name] = shareScope;`, + `return ${RuntimeGlobals.initializeSharing}(name, initScope);` + ])};`, + "", + "// This exports getters to disallow modifications", + `${RuntimeGlobals.definePropertyGetters}(exports, {`, + Template.indent([ + `get: ${runtimeTemplate.returningFunction("get")},`, + `init: ${runtimeTemplate.returningFunction("init")}` + ]), + "});" + ]); + + sources.set( + "javascript", + this.useSourceMap || this.useSimpleSourceMap + ? new OriginalSource(source, "webpack/container-entry") + : new RawSource(source) + ); + + return { + sources, + runtimeRequirements + }; + } + + /** + * @param {string=} type the source type for which the size should be estimated + * @returns {number} the estimated size of the module (must be non-zero) + */ + size(type) { + return 42; + } + + /** + * @param {ObjectSerializerContext} context context + */ + serialize(context) { + const { write } = context; + write(this._name); + write(this._exposes); + write(this._shareScope); + super.serialize(context); + } + + /** + * @param {ObjectDeserializerContext} context context + * @returns {ContainerEntryModule} deserialized container entry module + */ + static deserialize(context) { + const { read } = context; + const obj = new ContainerEntryModule(read(), read(), read()); + obj.deserialize(context); + return obj; + } +} + +makeSerializable( + ContainerEntryModule, + "webpack/lib/container/ContainerEntryModule" +); + +module.exports = ContainerEntryModule; |