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

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

"use strict";

const makeSerializable = require("../util/makeSerializable");
const NullDependency = require("./NullDependency");

/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../javascript/JavascriptParser").Range} Range */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
/** @typedef {import("./LocalModule")} LocalModule */

class LocalModuleDependency extends NullDependency {
        /**
         * Creates an instance of LocalModuleDependency.
         * @param {LocalModule} localModule local module
         * @param {Range | undefined} range range
         * @param {boolean} callNew true, when the local module should be called with new
         */
        constructor(localModule, range, callNew) {
                super();

                this.localModule = localModule;
                this.range = range;
                this.callNew = callNew;
        }

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

                write(this.localModule);
                write(this.range);
                write(this.callNew);

                super.serialize(context);
        }

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

                this.localModule = read();
                this.range = read();
                this.callNew = read();

                super.deserialize(context);
        }
}

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

LocalModuleDependency.Template = class LocalModuleDependencyTemplate extends (
        NullDependency.Template
) {
        /**
         * Applies the plugin by registering its hooks on the compiler.
         * @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, templateContext) {
                const dep = /** @type {LocalModuleDependency} */ (dependency);
                if (!dep.range) return;
                const moduleInstance = dep.callNew
                        ? `new (function () { return ${dep.localModule.variableName()}; })()`
                        : dep.localModule.variableName();
                source.replace(dep.range[0], dep.range[1] - 1, moduleInstance);
        }
};

module.exports = LocalModuleDependency;