Files F117537427

CssLocalIdentifierDependency.js
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Created: Sat, Jun 14, 06:55

CssLocalIdentifierDependency.js
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	/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Ivan Kopeykin @vankop
	*/

	"use strict";

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

	/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */
	/** @typedef {import("../Dependency")} Dependency */
	/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */
	/** @typedef {import("../DependencyTemplate").CssDependencyTemplateContext} DependencyTemplateContext */
	/** @typedef {import("../ModuleGraph")} ModuleGraph */

	class CssLocalIdentifierDependency extends NullDependency {
	/**
	* @param {string} name name
	* @param {[number, number]} range range
	* @param {string=} prefix prefix
	*/
	constructor(name, range, prefix = "") {
	super();
	this.name = name;
	this.range = range;
	this.prefix = prefix;
	}

	get type() {
	return "css local identifier";
	}

	/**
	* Returns the exported names
	* @param {ModuleGraph} moduleGraph module graph
	* @returns {ExportsSpec \| undefined} export names
	*/
	getExports(moduleGraph) {
	const name = this.name;
	return {
	exports: [
	{
	name,
	canMangle: true
	}
	],
	dependencies: undefined
	};
	}

	serialize(context) {
	const { write } = context;
	write(this.name);
	write(this.range);
	write(this.prefix);
	super.serialize(context);
	}

	deserialize(context) {
	const { read } = context;
	this.name = read();
	this.range = read();
	this.prefix = read();
	super.deserialize(context);
	}
	}

	const escapeCssIdentifier = (str, omitUnderscore) => {
	const escaped = `${str}`.replace(
	// cspell:word uffff
	/[^a-zA-Z0-9_\u0081-\uffff-]/g,
	s => `\\${s}`
	);
	return !omitUnderscore && /^(?!--)[0-9-]/.test(escaped)
	? `_${escaped}`
	: escaped;
	};

	CssLocalIdentifierDependency.Template = class CssLocalIdentifierDependencyTemplate extends (
	NullDependency.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,
	{ module, moduleGraph, chunkGraph, runtime, runtimeTemplate, cssExports }
	) {
	const dep = /** @type {CssLocalIdentifierDependency} */ (dependency);
	const used = moduleGraph
	.getExportInfo(module, dep.name)
	.getUsedName(dep.name, runtime);
	const moduleId = chunkGraph.getModuleId(module);
	const identifier =
	dep.prefix +
	(runtimeTemplate.outputOptions.uniqueName
	? runtimeTemplate.outputOptions.uniqueName + "-"
	: "") +
	(used ? moduleId + "-" + used : "-");
	source.replace(
	dep.range[0],
	dep.range[1] - 1,
	escapeCssIdentifier(identifier, dep.prefix)
	);
	if (used) cssExports.set(used, identifier);
	}
	};

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

	module.exports = CssLocalIdentifierDependency;

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