webpack/lib/dependencies/CssImportDependency.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support 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 Ivan Kopeykin @vankop
*/

"use strict";

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

/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
/** @typedef {import("../ChunkGraph")} ChunkGraph */
/** @typedef {import("../Dependency")} Dependency */
/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../ModuleGraph")} ModuleGraph */
/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
/** @typedef {import("../ModuleGraphConnection").ConnectionState} ConnectionState */
/** @typedef {import("../util/Hash")} Hash */
/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */

class CssImportDependency extends ModuleDependency {
	/**
	 * @param {string} request request
	 * @param {[number, number]} range range of the argument
	 * @param {string | undefined} supports list of supports conditions
	 * @param {string | undefined} media list of media conditions
	 */
	constructor(request, range, supports, media) {
		super(request);
		this.range = range;
		this.supports = supports;
		this.media = media;
	}

	get type() {
		return "css @import";
	}

	get category() {
		return "css-import";
	}

	/**
	 * @param {string} context context directory
	 * @returns {Module} a module
	 */
	createIgnoredModule(context) {
		return null;
	}
}

CssImportDependency.Template = class CssImportDependencyTemplate extends (
	ModuleDependency.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, templateContext) {
		const dep = /** @type {CssImportDependency} */ (dependency);

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

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

module.exports = CssImportDependency;