136 lines
3.6 KiB
JavaScript
136 lines
3.6 KiB
JavaScript
/*
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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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const Dependency = require("../Dependency");
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const makeSerializable = require("../util/makeSerializable");
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const ModuleDependency = require("./ModuleDependency");
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/** @typedef {import("../ContextModule")} ContextModule */
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/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
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/** @typedef {import("../Module")} Module */
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/** @typedef {import("../Module").BuildMeta} BuildMeta */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../javascript/JavascriptParser").ImportAttributes} ImportAttributes */
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/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
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class ContextElementDependency extends ModuleDependency {
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/**
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* @param {string} request request
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* @param {string | undefined} userRequest user request
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* @param {string | undefined} typePrefix type prefix
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* @param {string} category category
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* @param {(string[][] | null)=} referencedExports referenced exports
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* @param {string=} context context
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* @param {ImportAttributes=} attributes import assertions
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*/
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constructor(
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request,
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userRequest,
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typePrefix,
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category,
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referencedExports,
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context,
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attributes
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) {
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super(request);
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this.referencedExports = referencedExports;
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this._typePrefix = typePrefix;
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this._category = category;
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this._context = context || undefined;
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if (userRequest) {
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this.userRequest = userRequest;
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}
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this.assertions = attributes;
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}
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get type() {
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if (this._typePrefix) {
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return `${this._typePrefix} context element`;
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}
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return "context element";
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}
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get category() {
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return this._category;
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}
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/**
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* Returns list of exports referenced by this dependency
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* @param {ModuleGraph} moduleGraph module graph
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* @param {RuntimeSpec} runtime the runtime for which the module is analysed
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* @returns {(string[] | ReferencedExport)[]} referenced exports
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*/
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getReferencedExports(moduleGraph, runtime) {
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if (!this.referencedExports) return Dependency.EXPORTS_OBJECT_REFERENCED;
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const refs = [];
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for (const referencedExport of this.referencedExports) {
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if (
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this._typePrefix === "import()" &&
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referencedExport[0] === "default"
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) {
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const selfModule =
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/** @type {ContextModule} */
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(moduleGraph.getParentModule(this));
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const importedModule =
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/** @type {Module} */
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(moduleGraph.getModule(this));
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const exportsType = importedModule.getExportsType(
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moduleGraph,
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selfModule.options.namespaceObject === "strict"
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);
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if (
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exportsType === "default-only" ||
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exportsType === "default-with-named"
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) {
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return Dependency.EXPORTS_OBJECT_REFERENCED;
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}
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}
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refs.push({
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name: referencedExport,
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canMangle: false
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});
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}
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return refs;
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}
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/**
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* @param {ObjectSerializerContext} context context
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*/
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serialize(context) {
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const { write } = context;
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write(this._typePrefix);
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write(this._category);
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write(this.referencedExports);
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write(this.assertions);
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super.serialize(context);
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}
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/**
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* @param {ObjectDeserializerContext} context context
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*/
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deserialize(context) {
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const { read } = context;
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this._typePrefix = read();
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this._category = read();
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this.referencedExports = read();
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this.assertions = read();
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super.deserialize(context);
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}
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}
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makeSerializable(
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ContextElementDependency,
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"webpack/lib/dependencies/ContextElementDependency"
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);
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module.exports = ContextElementDependency;
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