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- /*
- MIT License http://www.opensource.org/licenses/mit-license.php
- Author Tobias Koppers @sokra
- */
- "use strict";
- const Template = require("../Template");
- const { equals } = require("../util/ArrayHelpers");
- const makeSerializable = require("../util/makeSerializable");
- const propertyAccess = require("../util/propertyAccess");
- const ModuleDependency = require("./ModuleDependency");
- /** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
- /** @typedef {import("../Dependency")} Dependency */
- /** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
- /** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
- /** @typedef {import("../ModuleGraph")} ModuleGraph */
- /** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */
- class CommonJsFullRequireDependency extends ModuleDependency {
- /**
- * @param {string} request the request string
- * @param {[number, number]} range location in source code
- * @param {string[]} names accessed properties on module
- */
- constructor(request, range, names) {
- super(request);
- this.range = range;
- this.names = names;
- this.call = false;
- this.asiSafe = undefined;
- }
- /**
- * Returns list of exports referenced by this dependency
- * @param {ModuleGraph} moduleGraph module graph
- * @param {RuntimeSpec} runtime the runtime for which the module is analysed
- * @returns {(string[] | ReferencedExport)[]} referenced exports
- */
- getReferencedExports(moduleGraph, runtime) {
- if (this.call) {
- const importedModule = moduleGraph.getModule(this);
- if (
- !importedModule ||
- importedModule.getExportsType(moduleGraph, false) !== "namespace"
- ) {
- return [this.names.slice(0, -1)];
- }
- }
- return [this.names];
- }
- serialize(context) {
- const { write } = context;
- write(this.names);
- write(this.call);
- write(this.asiSafe);
- super.serialize(context);
- }
- deserialize(context) {
- const { read } = context;
- this.names = read();
- this.call = read();
- this.asiSafe = read();
- super.deserialize(context);
- }
- get type() {
- return "cjs full require";
- }
- get category() {
- return "commonjs";
- }
- }
- CommonJsFullRequireDependency.Template = class CommonJsFullRequireDependencyTemplate extends (
- ModuleDependency.Template
- ) {
- /**
- * @param {Dependency} dependency the dependency for which the template should be applied
- * @param {ReplaceSource} source the current replace source which can be modified
- * @param {DependencyTemplateContext} templateContext the context object
- * @returns {void}
- */
- apply(
- dependency,
- source,
- {
- module,
- runtimeTemplate,
- moduleGraph,
- chunkGraph,
- runtimeRequirements,
- runtime,
- initFragments
- }
- ) {
- const dep = /** @type {CommonJsFullRequireDependency} */ (dependency);
- if (!dep.range) return;
- const importedModule = moduleGraph.getModule(dep);
- let requireExpr = runtimeTemplate.moduleExports({
- module: importedModule,
- chunkGraph,
- request: dep.request,
- weak: dep.weak,
- runtimeRequirements
- });
- if (importedModule) {
- const ids = dep.names;
- const usedImported = moduleGraph
- .getExportsInfo(importedModule)
- .getUsedName(ids, runtime);
- if (usedImported) {
- const comment = equals(usedImported, ids)
- ? ""
- : Template.toNormalComment(propertyAccess(ids)) + " ";
- const access = `${comment}${propertyAccess(usedImported)}`;
- requireExpr =
- dep.asiSafe === true
- ? `(${requireExpr}${access})`
- : `${requireExpr}${access}`;
- }
- }
- source.replace(dep.range[0], dep.range[1] - 1, requireExpr);
- }
- };
- makeSerializable(
- CommonJsFullRequireDependency,
- "webpack/lib/dependencies/CommonJsFullRequireDependency"
- );
- module.exports = CommonJsFullRequireDependency;
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