source: frontend/node_modules/webpack/lib/dependencies/HarmonyExportHeaderDependency.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 */

class HarmonyExportHeaderDependency extends NullDependency {
        /**
         * Creates an instance of HarmonyExportHeaderDependency.
         * @param {Range | false} range range
         * @param {Range} rangeStatement range statement
         */
        constructor(range, rangeStatement) {
                super();
                this.range = range;
                this.rangeStatement = rangeStatement;
        }

        get type() {
                return "harmony export header";
        }

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

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

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

HarmonyExportHeaderDependency.Template = class HarmonyExportDependencyTemplate 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 {HarmonyExportHeaderDependency} */ (dependency);
                const content = "";
                const replaceUntil = dep.range
                        ? dep.range[0] - 1
                        : dep.rangeStatement[1] - 1;
                source.replace(dep.rangeStatement[0], replaceUntil, content);
        }
};

module.exports = HarmonyExportHeaderDependency;