source: frontend/node_modules/webpack/lib/dependencies/CommonJsRequireContextDependency.js

/*
        MIT License http://www.opensource.org/licenses/mit-license.php
        Author Tobias Koppers @sokra
*/

"use strict";

const Dependency = require("../Dependency");
const makeSerializable = require("../util/makeSerializable");
const ContextDependency = require("./ContextDependency");
const ContextDependencyTemplateAsRequireCall = require("./ContextDependencyTemplateAsRequireCall");

/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("./ContextDependency").ContextDependencyOptions} ContextDependencyOptions */
/** @typedef {import("../Dependency").RawReferencedExports} RawReferencedExports */
/** @typedef {import("../Dependency").ReferencedExports} ReferencedExports */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */

class CommonJsRequireContextDependency extends ContextDependency {
        /**
         * Creates an instance of CommonJsRequireContextDependency.
         * @param {ContextDependencyOptions} options options for the context module
         * @param {Range} range location in source code
         * @param {Range=} valueRange location of the require call
         * @param {boolean | string=} inShorthand true or name
         * @param {string=} context context
         */
        constructor(options, range, valueRange, inShorthand, context) {
                super(options, context);

                this.range = range;
                this.valueRange = valueRange;
                // inShorthand must be serialized by subclasses that use it
                this.inShorthand = inShorthand;
        }

        get type() {
                return "cjs require context";
        }

        /**
         * 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 {ReferencedExports} referenced exports
         */
        getReferencedExports(moduleGraph, runtime) {
                if (!this.options.referencedExports) {
                        return Dependency.EXPORTS_OBJECT_REFERENCED;
                }
                return this.options.referencedExports.map((name) => ({
                        name,
                        canMangle: false
                }));
        }

        /**
         * Serializes this instance into the provided serializer context.
         * @param {ObjectSerializerContext} context context
         */
        serialize(context) {
                const { write } = context;

                write(this.range);
                write(this.valueRange);
                write(this.inShorthand);

                super.serialize(context);
        }

        /**
         * Restores this instance from the provided deserializer context.
         * @param {ObjectDeserializerContext} context context
         */
        deserialize(context) {
                const { read } = context;

                this.range = read();
                this.valueRange = read();
                this.inShorthand = read();

                super.deserialize(context);
        }
}

makeSerializable(
        CommonJsRequireContextDependency,
        "webpack/lib/dependencies/CommonJsRequireContextDependency"
);

CommonJsRequireContextDependency.Template =
        ContextDependencyTemplateAsRequireCall;

module.exports = CommonJsRequireContextDependency;