/*
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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 Template = require("../Template");
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const { equals } = require("../util/ArrayHelpers");
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const { getTrimmedIdsAndRange } = require("../util/chainedImports");
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const makeSerializable = require("../util/makeSerializable");
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const propertyAccess = require("../util/propertyAccess");
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const ModuleDependency = require("./ModuleDependency");
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/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
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/** @typedef {import("../Dependency")} Dependency */
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/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
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/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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/** @typedef {import("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../javascript/JavascriptParser").Range} Range */
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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 CommonJsFullRequireDependency extends ModuleDependency {
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/**
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* @param {string} request the request string
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* @param {Range} range location in source code
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* @param {string[]} names accessed properties on module
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* @param {Range[]=} idRanges ranges for members of ids; the two arrays are right-aligned
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*/
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constructor(
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request,
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range,
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names,
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idRanges /* TODO webpack 6 make this non-optional. It must always be set to properly trim ids. */
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) {
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super(request);
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this.range = range;
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this.names = names;
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this.idRanges = idRanges;
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this.call = false;
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this.asiSafe = undefined;
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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.call) {
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const importedModule = moduleGraph.getModule(this);
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if (
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!importedModule ||
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importedModule.getExportsType(moduleGraph, false) !== "namespace"
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) {
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return [this.names.slice(0, -1)];
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}
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}
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return [this.names];
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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.names);
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write(this.idRanges);
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write(this.call);
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write(this.asiSafe);
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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.names = read();
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this.idRanges = read();
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this.call = read();
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this.asiSafe = read();
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super.deserialize(context);
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}
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get type() {
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return "cjs full require";
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}
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get category() {
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return "commonjs";
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}
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}
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CommonJsFullRequireDependency.Template = class CommonJsFullRequireDependencyTemplate extends (
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ModuleDependency.Template
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) {
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/**
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* @param {Dependency} dependency the dependency for which the template should be applied
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* @param {ReplaceSource} source the current replace source which can be modified
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* @param {DependencyTemplateContext} templateContext the context object
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* @returns {void}
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*/
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apply(
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dependency,
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source,
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{
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module,
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runtimeTemplate,
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moduleGraph,
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chunkGraph,
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runtimeRequirements,
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runtime,
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initFragments
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}
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) {
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const dep = /** @type {CommonJsFullRequireDependency} */ (dependency);
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if (!dep.range) return;
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const importedModule = moduleGraph.getModule(dep);
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let requireExpr = runtimeTemplate.moduleExports({
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module: importedModule,
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chunkGraph,
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request: dep.request,
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weak: dep.weak,
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runtimeRequirements
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});
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const {
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trimmedRange: [trimmedRangeStart, trimmedRangeEnd],
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trimmedIds
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} = getTrimmedIdsAndRange(
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dep.names,
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dep.range,
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dep.idRanges,
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moduleGraph,
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dep
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);
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if (importedModule) {
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const usedImported = moduleGraph
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.getExportsInfo(importedModule)
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.getUsedName(trimmedIds, runtime);
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if (usedImported) {
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const comment = equals(usedImported, trimmedIds)
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? ""
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: `${Template.toNormalComment(propertyAccess(trimmedIds))} `;
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const access = `${comment}${propertyAccess(usedImported)}`;
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requireExpr =
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dep.asiSafe === true
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? `(${requireExpr}${access})`
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: `${requireExpr}${access}`;
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}
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}
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source.replace(trimmedRangeStart, trimmedRangeEnd - 1, requireExpr);
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}
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};
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makeSerializable(
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CommonJsFullRequireDependency,
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"webpack/lib/dependencies/CommonJsFullRequireDependency"
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);
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module.exports = CommonJsFullRequireDependency;
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