webpack/lib/dependencies/AMDRequireArrayDependency.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

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

"use strict";

const DependencyTemplate = require("../DependencyTemplate");
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("./AMDRequireItemDependency")} AMDRequireItemDependency */
/** @typedef {import("./LocalModuleDependency")} LocalModuleDependency */

class AMDRequireArrayDependency extends NullDependency {
	/**
	 * @param {(string | LocalModuleDependency | AMDRequireItemDependency)[]} depsArray deps array
	 * @param {Range} range range
	 */
	constructor(depsArray, range) {
		super();

		this.depsArray = depsArray;
		this.range = range;
	}

	get type() {
		return "amd require array";
	}

	get category() {
		return "amd";
	}

	/**
	 * @param {ObjectSerializerContext} context context
	 */
	serialize(context) {
		const { write } = context;

		write(this.depsArray);
		write(this.range);

		super.serialize(context);
	}

	/**
	 * @param {ObjectDeserializerContext} context context
	 */
	deserialize(context) {
		const { read } = context;

		this.depsArray = read();
		this.range = read();

		super.deserialize(context);
	}
}

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

AMDRequireArrayDependency.Template = class AMDRequireArrayDependencyTemplate extends (
	DependencyTemplate
) {
	/**
	 * @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 {AMDRequireArrayDependency} */ (dependency);
		const content = this.getContent(dep, templateContext);
		source.replace(dep.range[0], dep.range[1] - 1, content);
	}

	/**
	 * @param {AMDRequireArrayDependency} dep the dependency for which the template should be applied
	 * @param {DependencyTemplateContext} templateContext the context object
	 * @returns {string} content
	 */
	getContent(dep, templateContext) {
		const requires = dep.depsArray.map(dependency => {
			return this.contentForDependency(dependency, templateContext);
		});
		return `[${requires.join(", ")}]`;
	}

	/**
	 * @param {TODO} dep the dependency for which the template should be applied
	 * @param {DependencyTemplateContext} templateContext the context object
	 * @returns {string} content
	 */
	contentForDependency(
		dep,
		{ runtimeTemplate, moduleGraph, chunkGraph, runtimeRequirements }
	) {
		if (typeof dep === "string") {
			return dep;
		}

		if (dep.localModule) {
			return dep.localModule.variableName();
		} else {
			return runtimeTemplate.moduleExports({
				module: moduleGraph.getModule(dep),
				chunkGraph,
				request: dep.request,
				runtimeRequirements
			});
		}
	}
};

module.exports = AMDRequireArrayDependency;