webpack/lib/dependencies/ImportWeakDependency.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 makeSerializable = require("../util/makeSerializable");
const ImportDependency = require("./ImportDependency");

/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../Module").BuildMeta} BuildMeta */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../javascript/JavascriptParser").ImportAttributes} ImportAttributes */
/** @typedef {import("../javascript/JavascriptParser").Range} Range */

class ImportWeakDependency extends ImportDependency {
	/**
	 * @param {string} request the request
	 * @param {Range} range expression range
	 * @param {(string[][] | null)=} referencedExports list of referenced exports
	 * @param {ImportAttributes=} attributes import attributes
	 */
	constructor(request, range, referencedExports, attributes) {
		super(request, range, referencedExports, attributes);
		this.weak = true;
	}

	get type() {
		return "import() weak";
	}
}

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

ImportWeakDependency.Template = class ImportDependencyTemplate extends (
	ImportDependency.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,
		{ runtimeTemplate, module, moduleGraph, chunkGraph, runtimeRequirements }
	) {
		const dep = /** @type {ImportWeakDependency} */ (dependency);
		const content = runtimeTemplate.moduleNamespacePromise({
			chunkGraph,
			module: /** @type {Module} */ (moduleGraph.getModule(dep)),
			request: dep.request,
			strict: /** @type {BuildMeta} */ (module.buildMeta).strictHarmonyModule,
			message: "import() weak",
			weak: true,
			runtimeRequirements
		});

		source.replace(dep.range[0], dep.range[1] - 1, content);
	}
};

module.exports = ImportWeakDependency;