1625 lines
		
	
	
		
			45 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			1625 lines
		
	
	
		
			45 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| /*
 | ||
| 	MIT License http://www.opensource.org/licenses/mit-license.php
 | ||
| 	Author Tobias Koppers @sokra
 | ||
| */
 | ||
| 
 | ||
| "use strict";
 | ||
| 
 | ||
| const vm = require("vm");
 | ||
| const CommentCompilationWarning = require("../CommentCompilationWarning");
 | ||
| const ModuleDependencyWarning = require("../ModuleDependencyWarning");
 | ||
| const { CSS_MODULE_TYPE_AUTO } = require("../ModuleTypeConstants");
 | ||
| const Parser = require("../Parser");
 | ||
| const UnsupportedFeatureWarning = require("../UnsupportedFeatureWarning");
 | ||
| const WebpackError = require("../WebpackError");
 | ||
| const ConstDependency = require("../dependencies/ConstDependency");
 | ||
| const CssIcssExportDependency = require("../dependencies/CssIcssExportDependency");
 | ||
| const CssIcssImportDependency = require("../dependencies/CssIcssImportDependency");
 | ||
| const CssIcssSymbolDependency = require("../dependencies/CssIcssSymbolDependency");
 | ||
| const CssImportDependency = require("../dependencies/CssImportDependency");
 | ||
| const CssLocalIdentifierDependency = require("../dependencies/CssLocalIdentifierDependency");
 | ||
| const CssSelfLocalIdentifierDependency = require("../dependencies/CssSelfLocalIdentifierDependency");
 | ||
| const CssUrlDependency = require("../dependencies/CssUrlDependency");
 | ||
| const StaticExportsDependency = require("../dependencies/StaticExportsDependency");
 | ||
| const binarySearchBounds = require("../util/binarySearchBounds");
 | ||
| const { parseResource } = require("../util/identifier");
 | ||
| const {
 | ||
| 	createMagicCommentContext,
 | ||
| 	webpackCommentRegExp
 | ||
| } = require("../util/magicComment");
 | ||
| const walkCssTokens = require("./walkCssTokens");
 | ||
| 
 | ||
| /** @typedef {import("../Module").BuildInfo} BuildInfo */
 | ||
| /** @typedef {import("../Module").BuildMeta} BuildMeta */
 | ||
| /** @typedef {import("../Parser").ParserState} ParserState */
 | ||
| /** @typedef {import("../Parser").PreparsedAst} PreparsedAst */
 | ||
| /** @typedef {import("./walkCssTokens").CssTokenCallbacks} CssTokenCallbacks */
 | ||
| 
 | ||
| /** @typedef {[number, number]} Range */
 | ||
| /** @typedef {{ line: number, column: number }} Position */
 | ||
| /** @typedef {{ value: string, range: Range, loc: { start: Position, end: Position } }} Comment */
 | ||
| 
 | ||
| const CC_COLON = ":".charCodeAt(0);
 | ||
| const CC_SLASH = "/".charCodeAt(0);
 | ||
| const CC_LEFT_PARENTHESIS = "(".charCodeAt(0);
 | ||
| const CC_RIGHT_PARENTHESIS = ")".charCodeAt(0);
 | ||
| const CC_LOWER_F = "f".charCodeAt(0);
 | ||
| const CC_UPPER_F = "F".charCodeAt(0);
 | ||
| 
 | ||
| // https://www.w3.org/TR/css-syntax-3/#newline
 | ||
| // We don't have `preprocessing` stage, so we need specify all of them
 | ||
| const STRING_MULTILINE = /\\[\n\r\f]/g;
 | ||
| // https://www.w3.org/TR/css-syntax-3/#whitespace
 | ||
| const TRIM_WHITE_SPACES = /(^[ \t\n\r\f]*|[ \t\n\r\f]*$)/g;
 | ||
| const UNESCAPE = /\\([0-9a-fA-F]{1,6}[ \t\n\r\f]?|[\s\S])/g;
 | ||
| const IMAGE_SET_FUNCTION = /^(-\w+-)?image-set$/i;
 | ||
| const OPTIONALLY_VENDOR_PREFIXED_KEYFRAMES_AT_RULE = /^@(-\w+-)?keyframes$/;
 | ||
| const OPTIONALLY_VENDOR_PREFIXED_ANIMATION_PROPERTY =
 | ||
| 	/^(-\w+-)?animation(-name)?$/i;
 | ||
| const IS_MODULES = /\.module(s)?\.[^.]+$/i;
 | ||
| const CSS_COMMENT = /\/\*((?!\*\/).*?)\*\//g;
 | ||
| 
 | ||
| /**
 | ||
|  * @param {string} str url string
 | ||
|  * @param {boolean} isString is url wrapped in quotes
 | ||
|  * @returns {string} normalized url
 | ||
|  */
 | ||
| const normalizeUrl = (str, isString) => {
 | ||
| 	// Remove extra spaces and newlines:
 | ||
| 	// `url("im\
 | ||
| 	// g.png")`
 | ||
| 	if (isString) {
 | ||
| 		str = str.replace(STRING_MULTILINE, "");
 | ||
| 	}
 | ||
| 
 | ||
| 	str = str
 | ||
| 		// Remove unnecessary spaces from `url("   img.png	 ")`
 | ||
| 		.replace(TRIM_WHITE_SPACES, "")
 | ||
| 		// Unescape
 | ||
| 		.replace(UNESCAPE, (match) => {
 | ||
| 			if (match.length > 2) {
 | ||
| 				return String.fromCharCode(Number.parseInt(match.slice(1).trim(), 16));
 | ||
| 			}
 | ||
| 			return match[1];
 | ||
| 		});
 | ||
| 
 | ||
| 	if (/^data:/i.test(str)) {
 | ||
| 		return str;
 | ||
| 	}
 | ||
| 
 | ||
| 	if (str.includes("%")) {
 | ||
| 		// Convert `url('%2E/img.png')` -> `url('./img.png')`
 | ||
| 		try {
 | ||
| 			str = decodeURIComponent(str);
 | ||
| 		} catch (_err) {
 | ||
| 			// Ignore
 | ||
| 		}
 | ||
| 	}
 | ||
| 
 | ||
| 	return str;
 | ||
| };
 | ||
| 
 | ||
| // eslint-disable-next-line no-useless-escape
 | ||
| const regexSingleEscape = /[ -,.\/:-@[\]\^`{-~]/;
 | ||
| const regexExcessiveSpaces =
 | ||
| 	/(^|\\+)?(\\[A-F0-9]{1,6})\u0020(?![a-fA-F0-9\u0020])/g;
 | ||
| 
 | ||
| /**
 | ||
|  * @param {string} str string
 | ||
|  * @returns {string} escaped identifier
 | ||
|  */
 | ||
| const escapeIdentifier = (str) => {
 | ||
| 	let output = "";
 | ||
| 	let counter = 0;
 | ||
| 
 | ||
| 	while (counter < str.length) {
 | ||
| 		const character = str.charAt(counter++);
 | ||
| 
 | ||
| 		let value;
 | ||
| 
 | ||
| 		// eslint-disable-next-line no-control-regex
 | ||
| 		if (/[\t\n\f\r\u000B]/.test(character)) {
 | ||
| 			const codePoint = character.charCodeAt(0);
 | ||
| 
 | ||
| 			value = `\\${codePoint.toString(16).toUpperCase()} `;
 | ||
| 		} else if (character === "\\" || regexSingleEscape.test(character)) {
 | ||
| 			value = `\\${character}`;
 | ||
| 		} else {
 | ||
| 			value = character;
 | ||
| 		}
 | ||
| 
 | ||
| 		output += value;
 | ||
| 	}
 | ||
| 
 | ||
| 	const firstChar = str.charAt(0);
 | ||
| 
 | ||
| 	if (/^-[-\d]/.test(output)) {
 | ||
| 		output = `\\-${output.slice(1)}`;
 | ||
| 	} else if (/\d/.test(firstChar)) {
 | ||
| 		output = `\\3${firstChar} ${output.slice(1)}`;
 | ||
| 	}
 | ||
| 
 | ||
| 	// Remove spaces after `\HEX` escapes that are not followed by a hex digit,
 | ||
| 	// since they’re redundant. Note that this is only possible if the escape
 | ||
| 	// sequence isn’t preceded by an odd number of backslashes.
 | ||
| 	output = output.replace(regexExcessiveSpaces, ($0, $1, $2) => {
 | ||
| 		if ($1 && $1.length % 2) {
 | ||
| 			// It’s not safe to remove the space, so don’t.
 | ||
| 			return $0;
 | ||
| 		}
 | ||
| 
 | ||
| 		// Strip the space.
 | ||
| 		return ($1 || "") + $2;
 | ||
| 	});
 | ||
| 
 | ||
| 	return output;
 | ||
| };
 | ||
| 
 | ||
| const CONTAINS_ESCAPE = /\\/;
 | ||
| 
 | ||
| /**
 | ||
|  * @param {string} str string
 | ||
|  * @returns {[string, number] | undefined} hex
 | ||
|  */
 | ||
| const gobbleHex = (str) => {
 | ||
| 	const lower = str.toLowerCase();
 | ||
| 	let hex = "";
 | ||
| 	let spaceTerminated = false;
 | ||
| 
 | ||
| 	for (let i = 0; i < 6 && lower[i] !== undefined; i++) {
 | ||
| 		const code = lower.charCodeAt(i);
 | ||
| 		// check to see if we are dealing with a valid hex char [a-f|0-9]
 | ||
| 		const valid = (code >= 97 && code <= 102) || (code >= 48 && code <= 57);
 | ||
| 		// https://drafts.csswg.org/css-syntax/#consume-escaped-code-point
 | ||
| 		spaceTerminated = code === 32;
 | ||
| 		if (!valid) break;
 | ||
| 		hex += lower[i];
 | ||
| 	}
 | ||
| 
 | ||
| 	if (hex.length === 0) return undefined;
 | ||
| 
 | ||
| 	const codePoint = Number.parseInt(hex, 16);
 | ||
| 	const isSurrogate = codePoint >= 0xd800 && codePoint <= 0xdfff;
 | ||
| 
 | ||
| 	// Add special case for
 | ||
| 	// "If this number is zero, or is for a surrogate, or is greater than the maximum allowed code point"
 | ||
| 	// https://drafts.csswg.org/css-syntax/#maximum-allowed-code-point
 | ||
| 	if (isSurrogate || codePoint === 0x0000 || codePoint > 0x10ffff) {
 | ||
| 		return ["\uFFFD", hex.length + (spaceTerminated ? 1 : 0)];
 | ||
| 	}
 | ||
| 
 | ||
| 	return [
 | ||
| 		String.fromCodePoint(codePoint),
 | ||
| 		hex.length + (spaceTerminated ? 1 : 0)
 | ||
| 	];
 | ||
| };
 | ||
| 
 | ||
| /**
 | ||
|  * @param {string} str string
 | ||
|  * @returns {string} unescaped string
 | ||
|  */
 | ||
| const unescapeIdentifier = (str) => {
 | ||
| 	const needToProcess = CONTAINS_ESCAPE.test(str);
 | ||
| 	if (!needToProcess) return str;
 | ||
| 	let ret = "";
 | ||
| 	for (let i = 0; i < str.length; i++) {
 | ||
| 		if (str[i] === "\\") {
 | ||
| 			const gobbled = gobbleHex(str.slice(i + 1, i + 7));
 | ||
| 			if (gobbled !== undefined) {
 | ||
| 				ret += gobbled[0];
 | ||
| 				i += gobbled[1];
 | ||
| 				continue;
 | ||
| 			}
 | ||
| 			// Retain a pair of \\ if double escaped `\\\\`
 | ||
| 			// https://github.com/postcss/postcss-selector-parser/commit/268c9a7656fb53f543dc620aa5b73a30ec3ff20e
 | ||
| 			if (str[i + 1] === "\\") {
 | ||
| 				ret += "\\";
 | ||
| 				i += 1;
 | ||
| 				continue;
 | ||
| 			}
 | ||
| 			// if \\ is at the end of the string retain it
 | ||
| 			// https://github.com/postcss/postcss-selector-parser/commit/01a6b346e3612ce1ab20219acc26abdc259ccefb
 | ||
| 			if (str.length === i + 1) {
 | ||
| 				ret += str[i];
 | ||
| 			}
 | ||
| 			continue;
 | ||
| 		}
 | ||
| 		ret += str[i];
 | ||
| 	}
 | ||
| 
 | ||
| 	return ret;
 | ||
| };
 | ||
| 
 | ||
| class LocConverter {
 | ||
| 	/**
 | ||
| 	 * @param {string} input input
 | ||
| 	 */
 | ||
| 	constructor(input) {
 | ||
| 		this._input = input;
 | ||
| 		this.line = 1;
 | ||
| 		this.column = 0;
 | ||
| 		this.pos = 0;
 | ||
| 	}
 | ||
| 
 | ||
| 	/**
 | ||
| 	 * @param {number} pos position
 | ||
| 	 * @returns {LocConverter} location converter
 | ||
| 	 */
 | ||
| 	get(pos) {
 | ||
| 		if (this.pos !== pos) {
 | ||
| 			if (this.pos < pos) {
 | ||
| 				const str = this._input.slice(this.pos, pos);
 | ||
| 				let i = str.lastIndexOf("\n");
 | ||
| 				if (i === -1) {
 | ||
| 					this.column += str.length;
 | ||
| 				} else {
 | ||
| 					this.column = str.length - i - 1;
 | ||
| 					this.line++;
 | ||
| 					while (i > 0 && (i = str.lastIndexOf("\n", i - 1)) !== -1) {
 | ||
| 						this.line++;
 | ||
| 					}
 | ||
| 				}
 | ||
| 			} else {
 | ||
| 				let i = this._input.lastIndexOf("\n", this.pos);
 | ||
| 				while (i >= pos) {
 | ||
| 					this.line--;
 | ||
| 					i = i > 0 ? this._input.lastIndexOf("\n", i - 1) : -1;
 | ||
| 				}
 | ||
| 				this.column = pos - i;
 | ||
| 			}
 | ||
| 			this.pos = pos;
 | ||
| 		}
 | ||
| 		return this;
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| const EMPTY_COMMENT_OPTIONS = {
 | ||
| 	options: null,
 | ||
| 	errors: null
 | ||
| };
 | ||
| 
 | ||
| const CSS_MODE_TOP_LEVEL = 0;
 | ||
| const CSS_MODE_IN_BLOCK = 1;
 | ||
| 
 | ||
| const eatUntilSemi = walkCssTokens.eatUntil(";");
 | ||
| const eatUntilLeftCurly = walkCssTokens.eatUntil("{");
 | ||
| const eatSemi = walkCssTokens.eatUntil(";");
 | ||
| 
 | ||
| /**
 | ||
|  * @typedef {object} CssParserOptions
 | ||
|  * @property {boolean=} importOption need handle `@import`
 | ||
|  * @property {boolean=} url need handle URLs
 | ||
|  * @property {("pure" | "global" | "local" | "auto")=} defaultMode default mode
 | ||
|  * @property {boolean=} namedExports is named exports
 | ||
|  */
 | ||
| 
 | ||
| class CssParser extends Parser {
 | ||
| 	/**
 | ||
| 	 * @param {CssParserOptions=} options options
 | ||
| 	 */
 | ||
| 	constructor({
 | ||
| 		defaultMode = "pure",
 | ||
| 		importOption = true,
 | ||
| 		url = true,
 | ||
| 		namedExports = true
 | ||
| 	} = {}) {
 | ||
| 		super();
 | ||
| 		this.defaultMode = defaultMode;
 | ||
| 		this.import = importOption;
 | ||
| 		this.url = url;
 | ||
| 		this.namedExports = namedExports;
 | ||
| 		/** @type {Comment[] | undefined} */
 | ||
| 		this.comments = undefined;
 | ||
| 		this.magicCommentContext = createMagicCommentContext();
 | ||
| 	}
 | ||
| 
 | ||
| 	/**
 | ||
| 	 * @param {ParserState} state parser state
 | ||
| 	 * @param {string} message warning message
 | ||
| 	 * @param {LocConverter} locConverter location converter
 | ||
| 	 * @param {number} start start offset
 | ||
| 	 * @param {number} end end offset
 | ||
| 	 */
 | ||
| 	_emitWarning(state, message, locConverter, start, end) {
 | ||
| 		const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 		const { line: el, column: ec } = locConverter.get(end);
 | ||
| 
 | ||
| 		state.current.addWarning(
 | ||
| 			new ModuleDependencyWarning(state.module, new WebpackError(message), {
 | ||
| 				start: { line: sl, column: sc },
 | ||
| 				end: { line: el, column: ec }
 | ||
| 			})
 | ||
| 		);
 | ||
| 	}
 | ||
| 
 | ||
| 	/**
 | ||
| 	 * @param {string | Buffer | PreparsedAst} source the source to parse
 | ||
| 	 * @param {ParserState} state the parser state
 | ||
| 	 * @returns {ParserState} the parser state
 | ||
| 	 */
 | ||
| 	parse(source, state) {
 | ||
| 		if (Buffer.isBuffer(source)) {
 | ||
| 			source = source.toString("utf8");
 | ||
| 		} else if (typeof source === "object") {
 | ||
| 			throw new Error("webpackAst is unexpected for the CssParser");
 | ||
| 		}
 | ||
| 		if (source[0] === "\uFEFF") {
 | ||
| 			source = source.slice(1);
 | ||
| 		}
 | ||
| 
 | ||
| 		let mode = this.defaultMode;
 | ||
| 
 | ||
| 		const module = state.module;
 | ||
| 
 | ||
| 		if (
 | ||
| 			mode === "auto" &&
 | ||
| 			module.type === CSS_MODULE_TYPE_AUTO &&
 | ||
| 			IS_MODULES.test(
 | ||
| 				parseResource(module.matchResource || module.resource).path
 | ||
| 			)
 | ||
| 		) {
 | ||
| 			mode = "local";
 | ||
| 		}
 | ||
| 
 | ||
| 		const isModules = mode === "global" || mode === "local";
 | ||
| 
 | ||
| 		/** @type {BuildMeta} */
 | ||
| 		(module.buildMeta).isCSSModule = isModules;
 | ||
| 
 | ||
| 		const locConverter = new LocConverter(source);
 | ||
| 
 | ||
| 		/** @type {number} */
 | ||
| 		let scope = CSS_MODE_TOP_LEVEL;
 | ||
| 		/** @type {boolean} */
 | ||
| 		let allowImportAtRule = true;
 | ||
| 		/** @type [string, number, number][] */
 | ||
| 		const balanced = [];
 | ||
| 		let lastTokenEndForComments = 0;
 | ||
| 
 | ||
| 		/** @type {boolean} */
 | ||
| 		let isNextRulePrelude = isModules;
 | ||
| 		/** @type {number} */
 | ||
| 		let blockNestingLevel = 0;
 | ||
| 		/** @type {"local" | "global" | undefined} */
 | ||
| 		let modeData;
 | ||
| 		/** @type {boolean} */
 | ||
| 		let inAnimationProperty = false;
 | ||
| 		/** @type {[number, number, boolean] | undefined} */
 | ||
| 		let lastIdentifier;
 | ||
| 		/** @type {Set<string>} */
 | ||
| 		const declaredCssVariables = new Set();
 | ||
| 		/** @typedef {{ path?: string, value: string }} IcssDefinition */
 | ||
| 		/** @type {Map<string, IcssDefinition>} */
 | ||
| 		const icssDefinitions = new Map();
 | ||
| 
 | ||
| 		/**
 | ||
| 		 * @param {string} input input
 | ||
| 		 * @param {number} pos position
 | ||
| 		 * @returns {boolean} true, when next is nested syntax
 | ||
| 		 */
 | ||
| 		const isNextNestedSyntax = (input, pos) => {
 | ||
| 			pos = walkCssTokens.eatWhitespaceAndComments(input, pos);
 | ||
| 
 | ||
| 			if (input[pos] === "}") {
 | ||
| 				return false;
 | ||
| 			}
 | ||
| 
 | ||
| 			// According spec only identifier can be used as a property name
 | ||
| 			const isIdentifier = walkCssTokens.isIdentStartCodePoint(
 | ||
| 				input.charCodeAt(pos)
 | ||
| 			);
 | ||
| 
 | ||
| 			return !isIdentifier;
 | ||
| 		};
 | ||
| 		/**
 | ||
| 		 * @returns {boolean} true, when in local scope
 | ||
| 		 */
 | ||
| 		const isLocalMode = () =>
 | ||
| 			modeData === "local" || (mode === "local" && modeData === undefined);
 | ||
| 
 | ||
| 		/**
 | ||
| 		 * @param {string} input input
 | ||
| 		 * @param {number} pos start position
 | ||
| 		 * @param {(input: string, pos: number) => number} eater eater
 | ||
| 		 * @returns {[number,string]} new position and text
 | ||
| 		 */
 | ||
| 		const eatText = (input, pos, eater) => {
 | ||
| 			let text = "";
 | ||
| 			for (;;) {
 | ||
| 				if (input.charCodeAt(pos) === CC_SLASH) {
 | ||
| 					const newPos = walkCssTokens.eatComments(input, pos);
 | ||
| 					if (pos !== newPos) {
 | ||
| 						pos = newPos;
 | ||
| 						if (pos === input.length) break;
 | ||
| 					} else {
 | ||
| 						text += "/";
 | ||
| 						pos++;
 | ||
| 						if (pos === input.length) break;
 | ||
| 					}
 | ||
| 				}
 | ||
| 				const newPos = eater(input, pos);
 | ||
| 				if (pos !== newPos) {
 | ||
| 					text += input.slice(pos, newPos);
 | ||
| 					pos = newPos;
 | ||
| 				} else {
 | ||
| 					break;
 | ||
| 				}
 | ||
| 				if (pos === input.length) break;
 | ||
| 			}
 | ||
| 			return [pos, text.trimEnd()];
 | ||
| 		};
 | ||
| 
 | ||
| 		/**
 | ||
| 		 * @param {0 | 1} type import or export
 | ||
| 		 * @param {string} input input
 | ||
| 		 * @param {number} pos start position
 | ||
| 		 * @returns {number} position after parse
 | ||
| 		 */
 | ||
| 		const parseImportOrExport = (type, input, pos) => {
 | ||
| 			pos = walkCssTokens.eatWhitespaceAndComments(input, pos);
 | ||
| 			/** @type {string | undefined} */
 | ||
| 			let importPath;
 | ||
| 			if (type === 0) {
 | ||
| 				let cc = input.charCodeAt(pos);
 | ||
| 				if (cc !== CC_LEFT_PARENTHESIS) {
 | ||
| 					this._emitWarning(
 | ||
| 						state,
 | ||
| 						`Unexpected '${input[pos]}' at ${pos} during parsing of ':import' (expected '(')`,
 | ||
| 						locConverter,
 | ||
| 						pos,
 | ||
| 						pos
 | ||
| 					);
 | ||
| 					return pos;
 | ||
| 				}
 | ||
| 				pos++;
 | ||
| 				const stringStart = pos;
 | ||
| 				const str = walkCssTokens.eatString(input, pos);
 | ||
| 				if (!str) {
 | ||
| 					this._emitWarning(
 | ||
| 						state,
 | ||
| 						`Unexpected '${input[pos]}' at ${pos} during parsing of ':import' (expected string)`,
 | ||
| 						locConverter,
 | ||
| 						stringStart,
 | ||
| 						pos
 | ||
| 					);
 | ||
| 					return pos;
 | ||
| 				}
 | ||
| 				importPath = input.slice(str[0] + 1, str[1] - 1);
 | ||
| 				pos = str[1];
 | ||
| 				pos = walkCssTokens.eatWhitespaceAndComments(input, pos);
 | ||
| 				cc = input.charCodeAt(pos);
 | ||
| 				if (cc !== CC_RIGHT_PARENTHESIS) {
 | ||
| 					this._emitWarning(
 | ||
| 						state,
 | ||
| 						`Unexpected '${input[pos]}' at ${pos} during parsing of ':import' (expected ')')`,
 | ||
| 						locConverter,
 | ||
| 						pos,
 | ||
| 						pos
 | ||
| 					);
 | ||
| 					return pos;
 | ||
| 				}
 | ||
| 				pos++;
 | ||
| 				pos = walkCssTokens.eatWhitespaceAndComments(input, pos);
 | ||
| 			}
 | ||
| 
 | ||
| 			/**
 | ||
| 			 * @param {string} name name
 | ||
| 			 * @param {string} value value
 | ||
| 			 * @param {number} start start of position
 | ||
| 			 * @param {number} end end of position
 | ||
| 			 */
 | ||
| 			const createDep = (name, value, start, end) => {
 | ||
| 				if (type === 0) {
 | ||
| 					icssDefinitions.set(name, {
 | ||
| 						path: /** @type {string} */ (importPath),
 | ||
| 						value
 | ||
| 					});
 | ||
| 				} else if (type === 1) {
 | ||
| 					const dep = new CssIcssExportDependency(name, value);
 | ||
| 					const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 					const { line: el, column: ec } = locConverter.get(end);
 | ||
| 					dep.setLoc(sl, sc, el, ec);
 | ||
| 					module.addDependency(dep);
 | ||
| 				}
 | ||
| 			};
 | ||
| 
 | ||
| 			let needTerminate = false;
 | ||
| 			let balanced = 0;
 | ||
| 			/** @type {undefined | 0 | 1 | 2} */
 | ||
| 			let scope;
 | ||
| 
 | ||
| 			/** @typedef {[number, number]} Name */
 | ||
| 
 | ||
| 			/** @type {Name | undefined} */
 | ||
| 			let name;
 | ||
| 			/** @type {number | undefined} */
 | ||
| 			let value;
 | ||
| 
 | ||
| 			/** @type {CssTokenCallbacks} */
 | ||
| 			const callbacks = {
 | ||
| 				leftCurlyBracket: (_input, _start, end) => {
 | ||
| 					balanced++;
 | ||
| 
 | ||
| 					if (scope === undefined) {
 | ||
| 						scope = 0;
 | ||
| 					}
 | ||
| 
 | ||
| 					return end;
 | ||
| 				},
 | ||
| 				rightCurlyBracket: (_input, _start, end) => {
 | ||
| 					balanced--;
 | ||
| 
 | ||
| 					if (scope === 2) {
 | ||
| 						const [nameStart, nameEnd] = /** @type {Name} */ (name);
 | ||
| 						createDep(
 | ||
| 							input.slice(nameStart, nameEnd),
 | ||
| 							input.slice(value, end - 1).trim(),
 | ||
| 							nameEnd,
 | ||
| 							end - 1
 | ||
| 						);
 | ||
| 						scope = 0;
 | ||
| 					}
 | ||
| 
 | ||
| 					if (balanced === 0 && scope === 0) {
 | ||
| 						needTerminate = true;
 | ||
| 					}
 | ||
| 
 | ||
| 					return end;
 | ||
| 				},
 | ||
| 				identifier: (_input, start, end) => {
 | ||
| 					if (scope === 0) {
 | ||
| 						name = [start, end];
 | ||
| 						scope = 1;
 | ||
| 					}
 | ||
| 
 | ||
| 					return end;
 | ||
| 				},
 | ||
| 				colon: (_input, _start, end) => {
 | ||
| 					if (scope === 1) {
 | ||
| 						scope = 2;
 | ||
| 						value = walkCssTokens.eatWhitespace(input, end);
 | ||
| 						return value;
 | ||
| 					}
 | ||
| 
 | ||
| 					return end;
 | ||
| 				},
 | ||
| 				semicolon: (input, _start, end) => {
 | ||
| 					if (scope === 2) {
 | ||
| 						const [nameStart, nameEnd] = /** @type {Name} */ (name);
 | ||
| 						createDep(
 | ||
| 							input.slice(nameStart, nameEnd),
 | ||
| 							input.slice(value, end - 1),
 | ||
| 							nameEnd,
 | ||
| 							end - 1
 | ||
| 						);
 | ||
| 						scope = 0;
 | ||
| 					}
 | ||
| 
 | ||
| 					return end;
 | ||
| 				},
 | ||
| 				needTerminate: () => needTerminate
 | ||
| 			};
 | ||
| 
 | ||
| 			pos = walkCssTokens(input, pos, callbacks);
 | ||
| 			pos = walkCssTokens.eatWhiteLine(input, pos);
 | ||
| 
 | ||
| 			return pos;
 | ||
| 		};
 | ||
| 		const eatPropertyName = walkCssTokens.eatUntil(":{};");
 | ||
| 		/**
 | ||
| 		 * @param {string} input input
 | ||
| 		 * @param {number} pos name start position
 | ||
| 		 * @param {number} end name end position
 | ||
| 		 * @returns {number} position after handling
 | ||
| 		 */
 | ||
| 		const processLocalDeclaration = (input, pos, end) => {
 | ||
| 			modeData = undefined;
 | ||
| 			pos = walkCssTokens.eatWhitespaceAndComments(input, pos);
 | ||
| 			const propertyNameStart = pos;
 | ||
| 			const [propertyNameEnd, propertyName] = eatText(
 | ||
| 				input,
 | ||
| 				pos,
 | ||
| 				eatPropertyName
 | ||
| 			);
 | ||
| 			if (input.charCodeAt(propertyNameEnd) !== CC_COLON) return end;
 | ||
| 			pos = propertyNameEnd + 1;
 | ||
| 			if (propertyName.startsWith("--") && propertyName.length >= 3) {
 | ||
| 				// CSS Variable
 | ||
| 				const { line: sl, column: sc } = locConverter.get(propertyNameStart);
 | ||
| 				const { line: el, column: ec } = locConverter.get(propertyNameEnd);
 | ||
| 				const name = unescapeIdentifier(propertyName.slice(2));
 | ||
| 				const dep = new CssLocalIdentifierDependency(
 | ||
| 					name,
 | ||
| 					[propertyNameStart, propertyNameEnd],
 | ||
| 					"--"
 | ||
| 				);
 | ||
| 				dep.setLoc(sl, sc, el, ec);
 | ||
| 				module.addDependency(dep);
 | ||
| 				declaredCssVariables.add(name);
 | ||
| 			} else if (
 | ||
| 				OPTIONALLY_VENDOR_PREFIXED_ANIMATION_PROPERTY.test(propertyName)
 | ||
| 			) {
 | ||
| 				inAnimationProperty = true;
 | ||
| 			}
 | ||
| 			return pos;
 | ||
| 		};
 | ||
| 		/**
 | ||
| 		 * @param {string} input input
 | ||
| 		 */
 | ||
| 		const processDeclarationValueDone = (input) => {
 | ||
| 			if (inAnimationProperty && lastIdentifier) {
 | ||
| 				const { line: sl, column: sc } = locConverter.get(lastIdentifier[0]);
 | ||
| 				const { line: el, column: ec } = locConverter.get(lastIdentifier[1]);
 | ||
| 				const name = unescapeIdentifier(
 | ||
| 					lastIdentifier[2]
 | ||
| 						? input.slice(lastIdentifier[0], lastIdentifier[1])
 | ||
| 						: input.slice(lastIdentifier[0] + 1, lastIdentifier[1] - 1)
 | ||
| 				);
 | ||
| 				const dep = new CssSelfLocalIdentifierDependency(name, [
 | ||
| 					lastIdentifier[0],
 | ||
| 					lastIdentifier[1]
 | ||
| 				]);
 | ||
| 				dep.setLoc(sl, sc, el, ec);
 | ||
| 				module.addDependency(dep);
 | ||
| 				lastIdentifier = undefined;
 | ||
| 			}
 | ||
| 		};
 | ||
| 
 | ||
| 		/**
 | ||
| 		 * @param {string} input input
 | ||
| 		 * @param {number} start start
 | ||
| 		 * @param {number} end end
 | ||
| 		 * @returns {number} end
 | ||
| 		 */
 | ||
| 		const comment = (input, start, end) => {
 | ||
| 			if (!this.comments) this.comments = [];
 | ||
| 			const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 			const { line: el, column: ec } = locConverter.get(end);
 | ||
| 
 | ||
| 			/** @type {Comment} */
 | ||
| 			const comment = {
 | ||
| 				value: input.slice(start + 2, end - 2),
 | ||
| 				range: [start, end],
 | ||
| 				loc: {
 | ||
| 					start: { line: sl, column: sc },
 | ||
| 					end: { line: el, column: ec }
 | ||
| 				}
 | ||
| 			};
 | ||
| 			this.comments.push(comment);
 | ||
| 			return end;
 | ||
| 		};
 | ||
| 
 | ||
| 		walkCssTokens(source, 0, {
 | ||
| 			comment,
 | ||
| 			leftCurlyBracket: (input, start, end) => {
 | ||
| 				switch (scope) {
 | ||
| 					case CSS_MODE_TOP_LEVEL: {
 | ||
| 						allowImportAtRule = false;
 | ||
| 						scope = CSS_MODE_IN_BLOCK;
 | ||
| 
 | ||
| 						if (isModules) {
 | ||
| 							blockNestingLevel = 1;
 | ||
| 							isNextRulePrelude = isNextNestedSyntax(input, end);
 | ||
| 						}
 | ||
| 
 | ||
| 						break;
 | ||
| 					}
 | ||
| 					case CSS_MODE_IN_BLOCK: {
 | ||
| 						if (isModules) {
 | ||
| 							blockNestingLevel++;
 | ||
| 							isNextRulePrelude = isNextNestedSyntax(input, end);
 | ||
| 						}
 | ||
| 						break;
 | ||
| 					}
 | ||
| 				}
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			rightCurlyBracket: (input, start, end) => {
 | ||
| 				switch (scope) {
 | ||
| 					case CSS_MODE_IN_BLOCK: {
 | ||
| 						if (--blockNestingLevel === 0) {
 | ||
| 							scope = CSS_MODE_TOP_LEVEL;
 | ||
| 
 | ||
| 							if (isModules) {
 | ||
| 								isNextRulePrelude = true;
 | ||
| 								modeData = undefined;
 | ||
| 							}
 | ||
| 						} else if (isModules) {
 | ||
| 							if (isLocalMode()) {
 | ||
| 								processDeclarationValueDone(input);
 | ||
| 								inAnimationProperty = false;
 | ||
| 							}
 | ||
| 
 | ||
| 							isNextRulePrelude = isNextNestedSyntax(input, end);
 | ||
| 						}
 | ||
| 						break;
 | ||
| 					}
 | ||
| 				}
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			url: (input, start, end, contentStart, contentEnd) => {
 | ||
| 				if (!this.url) {
 | ||
| 					return end;
 | ||
| 				}
 | ||
| 
 | ||
| 				const { options, errors: commentErrors } = this.parseCommentOptions([
 | ||
| 					lastTokenEndForComments,
 | ||
| 					end
 | ||
| 				]);
 | ||
| 				if (commentErrors) {
 | ||
| 					for (const e of commentErrors) {
 | ||
| 						const { comment } = e;
 | ||
| 						state.module.addWarning(
 | ||
| 							new CommentCompilationWarning(
 | ||
| 								`Compilation error while processing magic comment(-s): /*${comment.value}*/: ${e.message}`,
 | ||
| 								comment.loc
 | ||
| 							)
 | ||
| 						);
 | ||
| 					}
 | ||
| 				}
 | ||
| 				if (options && options.webpackIgnore !== undefined) {
 | ||
| 					if (typeof options.webpackIgnore !== "boolean") {
 | ||
| 						const { line: sl, column: sc } = locConverter.get(
 | ||
| 							lastTokenEndForComments
 | ||
| 						);
 | ||
| 						const { line: el, column: ec } = locConverter.get(end);
 | ||
| 
 | ||
| 						state.module.addWarning(
 | ||
| 							new UnsupportedFeatureWarning(
 | ||
| 								`\`webpackIgnore\` expected a boolean, but received: ${options.webpackIgnore}.`,
 | ||
| 								{
 | ||
| 									start: { line: sl, column: sc },
 | ||
| 									end: { line: el, column: ec }
 | ||
| 								}
 | ||
| 							)
 | ||
| 						);
 | ||
| 					} else if (options.webpackIgnore) {
 | ||
| 						return end;
 | ||
| 					}
 | ||
| 				}
 | ||
| 				const value = normalizeUrl(
 | ||
| 					input.slice(contentStart, contentEnd),
 | ||
| 					false
 | ||
| 				);
 | ||
| 				// Ignore `url()`, `url('')` and `url("")`, they are valid by spec
 | ||
| 				if (value.length === 0) return end;
 | ||
| 				const dep = new CssUrlDependency(value, [start, end], "url");
 | ||
| 				const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 				const { line: el, column: ec } = locConverter.get(end);
 | ||
| 				dep.setLoc(sl, sc, el, ec);
 | ||
| 				module.addDependency(dep);
 | ||
| 				module.addCodeGenerationDependency(dep);
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			string: (_input, start, end) => {
 | ||
| 				switch (scope) {
 | ||
| 					case CSS_MODE_IN_BLOCK: {
 | ||
| 						if (inAnimationProperty && balanced.length === 0) {
 | ||
| 							lastIdentifier = [start, end, false];
 | ||
| 						}
 | ||
| 					}
 | ||
| 				}
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			atKeyword: (input, start, end) => {
 | ||
| 				const name = input.slice(start, end).toLowerCase();
 | ||
| 
 | ||
| 				switch (name) {
 | ||
| 					case "@namespace": {
 | ||
| 						this._emitWarning(
 | ||
| 							state,
 | ||
| 							"'@namespace' is not supported in bundled CSS",
 | ||
| 							locConverter,
 | ||
| 							start,
 | ||
| 							end
 | ||
| 						);
 | ||
| 
 | ||
| 						return eatUntilSemi(input, start);
 | ||
| 					}
 | ||
| 					case "@import": {
 | ||
| 						if (!this.import) {
 | ||
| 							return eatSemi(input, end);
 | ||
| 						}
 | ||
| 
 | ||
| 						if (!allowImportAtRule) {
 | ||
| 							this._emitWarning(
 | ||
| 								state,
 | ||
| 								"Any '@import' rules must precede all other rules",
 | ||
| 								locConverter,
 | ||
| 								start,
 | ||
| 								end
 | ||
| 							);
 | ||
| 							return end;
 | ||
| 						}
 | ||
| 
 | ||
| 						const tokens = walkCssTokens.eatImportTokens(input, end, {
 | ||
| 							comment
 | ||
| 						});
 | ||
| 						if (!tokens[3]) return end;
 | ||
| 						const semi = tokens[3][1];
 | ||
| 						if (!tokens[0]) {
 | ||
| 							this._emitWarning(
 | ||
| 								state,
 | ||
| 								`Expected URL in '${input.slice(start, semi)}'`,
 | ||
| 								locConverter,
 | ||
| 								start,
 | ||
| 								semi
 | ||
| 							);
 | ||
| 							return end;
 | ||
| 						}
 | ||
| 
 | ||
| 						const urlToken = tokens[0];
 | ||
| 						const url = normalizeUrl(
 | ||
| 							input.slice(urlToken[2], urlToken[3]),
 | ||
| 							true
 | ||
| 						);
 | ||
| 						const newline = walkCssTokens.eatWhiteLine(input, semi);
 | ||
| 						const { options, errors: commentErrors } = this.parseCommentOptions(
 | ||
| 							[end, urlToken[1]]
 | ||
| 						);
 | ||
| 						if (commentErrors) {
 | ||
| 							for (const e of commentErrors) {
 | ||
| 								const { comment } = e;
 | ||
| 								state.module.addWarning(
 | ||
| 									new CommentCompilationWarning(
 | ||
| 										`Compilation error while processing magic comment(-s): /*${comment.value}*/: ${e.message}`,
 | ||
| 										comment.loc
 | ||
| 									)
 | ||
| 								);
 | ||
| 							}
 | ||
| 						}
 | ||
| 						if (options && options.webpackIgnore !== undefined) {
 | ||
| 							if (typeof options.webpackIgnore !== "boolean") {
 | ||
| 								const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 								const { line: el, column: ec } = locConverter.get(newline);
 | ||
| 
 | ||
| 								state.module.addWarning(
 | ||
| 									new UnsupportedFeatureWarning(
 | ||
| 										`\`webpackIgnore\` expected a boolean, but received: ${options.webpackIgnore}.`,
 | ||
| 										{
 | ||
| 											start: { line: sl, column: sc },
 | ||
| 											end: { line: el, column: ec }
 | ||
| 										}
 | ||
| 									)
 | ||
| 								);
 | ||
| 							} else if (options.webpackIgnore) {
 | ||
| 								return newline;
 | ||
| 							}
 | ||
| 						}
 | ||
| 						if (url.length === 0) {
 | ||
| 							const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 							const { line: el, column: ec } = locConverter.get(newline);
 | ||
| 							const dep = new ConstDependency("", [start, newline]);
 | ||
| 							module.addPresentationalDependency(dep);
 | ||
| 							dep.setLoc(sl, sc, el, ec);
 | ||
| 
 | ||
| 							return newline;
 | ||
| 						}
 | ||
| 
 | ||
| 						let layer;
 | ||
| 
 | ||
| 						if (tokens[1]) {
 | ||
| 							layer = input.slice(tokens[1][0] + 6, tokens[1][1] - 1).trim();
 | ||
| 						}
 | ||
| 
 | ||
| 						let supports;
 | ||
| 
 | ||
| 						if (tokens[2]) {
 | ||
| 							supports = input.slice(tokens[2][0] + 9, tokens[2][1] - 1).trim();
 | ||
| 						}
 | ||
| 
 | ||
| 						const last = tokens[2] || tokens[1] || tokens[0];
 | ||
| 						const mediaStart = walkCssTokens.eatWhitespaceAndComments(
 | ||
| 							input,
 | ||
| 							last[1]
 | ||
| 						);
 | ||
| 
 | ||
| 						let media;
 | ||
| 
 | ||
| 						if (mediaStart !== semi - 1) {
 | ||
| 							media = input.slice(mediaStart, semi - 1).trim();
 | ||
| 						}
 | ||
| 
 | ||
| 						const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 						const { line: el, column: ec } = locConverter.get(newline);
 | ||
| 						const dep = new CssImportDependency(
 | ||
| 							url,
 | ||
| 							[start, newline],
 | ||
| 							layer,
 | ||
| 							supports && supports.length > 0 ? supports : undefined,
 | ||
| 							media && media.length > 0 ? media : undefined
 | ||
| 						);
 | ||
| 						dep.setLoc(sl, sc, el, ec);
 | ||
| 						module.addDependency(dep);
 | ||
| 
 | ||
| 						return newline;
 | ||
| 					}
 | ||
| 					default: {
 | ||
| 						if (isModules) {
 | ||
| 							if (name === "@value") {
 | ||
| 								const semi = eatUntilSemi(input, end);
 | ||
| 								const atRuleEnd = semi + 1;
 | ||
| 								const params = input.slice(end, semi);
 | ||
| 								let [alias, from] = params.split(/\s*from\s*/);
 | ||
| 
 | ||
| 								if (from) {
 | ||
| 									const aliases = alias
 | ||
| 										.replace(CSS_COMMENT, " ")
 | ||
| 										.trim()
 | ||
| 										.replace(/^\(|\)$/g, "")
 | ||
| 										.split(/\s*,\s*/);
 | ||
| 
 | ||
| 									from = from.replace(CSS_COMMENT, "").trim();
 | ||
| 
 | ||
| 									const isExplicitImport = from[0] === "'" || from[0] === '"';
 | ||
| 
 | ||
| 									if (isExplicitImport) {
 | ||
| 										from = from.slice(1, -1);
 | ||
| 									}
 | ||
| 
 | ||
| 									for (const alias of aliases) {
 | ||
| 										const [name, aliasName] = alias.split(/\s*as\s*/);
 | ||
| 
 | ||
| 										icssDefinitions.set(aliasName || name, {
 | ||
| 											value: name,
 | ||
| 											path: from
 | ||
| 										});
 | ||
| 									}
 | ||
| 								} else {
 | ||
| 									const ident = walkCssTokens.eatIdentSequence(alias, 0);
 | ||
| 
 | ||
| 									if (!ident) {
 | ||
| 										this._emitWarning(
 | ||
| 											state,
 | ||
| 											`Broken '@value' at-rule: ${input.slice(
 | ||
| 												start,
 | ||
| 												atRuleEnd
 | ||
| 											)}'`,
 | ||
| 											locConverter,
 | ||
| 											start,
 | ||
| 											atRuleEnd
 | ||
| 										);
 | ||
| 
 | ||
| 										const dep = new ConstDependency("", [start, atRuleEnd]);
 | ||
| 										module.addPresentationalDependency(dep);
 | ||
| 										return atRuleEnd;
 | ||
| 									}
 | ||
| 
 | ||
| 									const pos = walkCssTokens.eatWhitespaceAndComments(
 | ||
| 										alias,
 | ||
| 										ident[1]
 | ||
| 									);
 | ||
| 
 | ||
| 									const name = alias.slice(ident[0], ident[1]);
 | ||
| 									let value =
 | ||
| 										alias.charCodeAt(pos) === CC_COLON
 | ||
| 											? alias.slice(pos + 1)
 | ||
| 											: alias.slice(ident[1]);
 | ||
| 
 | ||
| 									if (value && !/^\s+$/.test(value)) {
 | ||
| 										value = value.trim();
 | ||
| 									}
 | ||
| 
 | ||
| 									if (icssDefinitions.has(value)) {
 | ||
| 										const def =
 | ||
| 											/** @type {IcssDefinition} */
 | ||
| 											(icssDefinitions.get(value));
 | ||
| 
 | ||
| 										value = def.value;
 | ||
| 									}
 | ||
| 
 | ||
| 									icssDefinitions.set(name, { value });
 | ||
| 
 | ||
| 									const dep = new CssIcssExportDependency(name, value);
 | ||
| 									const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 									const { line: el, column: ec } = locConverter.get(end);
 | ||
| 									dep.setLoc(sl, sc, el, ec);
 | ||
| 									module.addDependency(dep);
 | ||
| 								}
 | ||
| 
 | ||
| 								const dep = new ConstDependency("", [start, atRuleEnd]);
 | ||
| 								module.addPresentationalDependency(dep);
 | ||
| 								return atRuleEnd;
 | ||
| 							} else if (
 | ||
| 								OPTIONALLY_VENDOR_PREFIXED_KEYFRAMES_AT_RULE.test(name) &&
 | ||
| 								isLocalMode()
 | ||
| 							) {
 | ||
| 								const ident = walkCssTokens.eatIdentSequenceOrString(
 | ||
| 									input,
 | ||
| 									end
 | ||
| 								);
 | ||
| 								if (!ident) return end;
 | ||
| 								const name = unescapeIdentifier(
 | ||
| 									ident[2] === true
 | ||
| 										? input.slice(ident[0], ident[1])
 | ||
| 										: input.slice(ident[0] + 1, ident[1] - 1)
 | ||
| 								);
 | ||
| 								const { line: sl, column: sc } = locConverter.get(ident[0]);
 | ||
| 								const { line: el, column: ec } = locConverter.get(ident[1]);
 | ||
| 								const dep = new CssLocalIdentifierDependency(name, [
 | ||
| 									ident[0],
 | ||
| 									ident[1]
 | ||
| 								]);
 | ||
| 								dep.setLoc(sl, sc, el, ec);
 | ||
| 								module.addDependency(dep);
 | ||
| 								return ident[1];
 | ||
| 							} else if (name === "@property" && isLocalMode()) {
 | ||
| 								const ident = walkCssTokens.eatIdentSequence(input, end);
 | ||
| 								if (!ident) return end;
 | ||
| 								let name = input.slice(ident[0], ident[1]);
 | ||
| 								if (!name.startsWith("--") || name.length < 3) return end;
 | ||
| 								name = unescapeIdentifier(name.slice(2));
 | ||
| 								declaredCssVariables.add(name);
 | ||
| 								const { line: sl, column: sc } = locConverter.get(ident[0]);
 | ||
| 								const { line: el, column: ec } = locConverter.get(ident[1]);
 | ||
| 								const dep = new CssLocalIdentifierDependency(
 | ||
| 									name,
 | ||
| 									[ident[0], ident[1]],
 | ||
| 									"--"
 | ||
| 								);
 | ||
| 								dep.setLoc(sl, sc, el, ec);
 | ||
| 								module.addDependency(dep);
 | ||
| 								return ident[1];
 | ||
| 							} else if (name === "@scope") {
 | ||
| 								isNextRulePrelude = true;
 | ||
| 								return end;
 | ||
| 							}
 | ||
| 
 | ||
| 							isNextRulePrelude = false;
 | ||
| 						}
 | ||
| 					}
 | ||
| 				}
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			semicolon: (input, start, end) => {
 | ||
| 				if (isModules && scope === CSS_MODE_IN_BLOCK) {
 | ||
| 					if (isLocalMode()) {
 | ||
| 						processDeclarationValueDone(input);
 | ||
| 						inAnimationProperty = false;
 | ||
| 					}
 | ||
| 
 | ||
| 					isNextRulePrelude = isNextNestedSyntax(input, end);
 | ||
| 				}
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			identifier: (input, start, end) => {
 | ||
| 				if (isModules) {
 | ||
| 					const name = input.slice(start, end);
 | ||
| 
 | ||
| 					if (icssDefinitions.has(name)) {
 | ||
| 						let { path, value } =
 | ||
| 							/** @type {IcssDefinition} */
 | ||
| 							(icssDefinitions.get(name));
 | ||
| 
 | ||
| 						if (path) {
 | ||
| 							if (icssDefinitions.has(path)) {
 | ||
| 								const definition =
 | ||
| 									/** @type {IcssDefinition} */
 | ||
| 									(icssDefinitions.get(path));
 | ||
| 
 | ||
| 								path = definition.value.slice(1, -1);
 | ||
| 							}
 | ||
| 
 | ||
| 							const dep = new CssIcssImportDependency(path, value, [
 | ||
| 								start,
 | ||
| 								end - 1
 | ||
| 							]);
 | ||
| 							const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 							const { line: el, column: ec } = locConverter.get(end - 1);
 | ||
| 							dep.setLoc(sl, sc, el, ec);
 | ||
| 							module.addDependency(dep);
 | ||
| 						} else {
 | ||
| 							const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 							const { line: el, column: ec } = locConverter.get(end);
 | ||
| 							const dep = new CssIcssSymbolDependency(name, value, [
 | ||
| 								start,
 | ||
| 								end
 | ||
| 							]);
 | ||
| 							dep.setLoc(sl, sc, el, ec);
 | ||
| 							module.addDependency(dep);
 | ||
| 						}
 | ||
| 
 | ||
| 						return end;
 | ||
| 					}
 | ||
| 
 | ||
| 					switch (scope) {
 | ||
| 						case CSS_MODE_IN_BLOCK: {
 | ||
| 							if (isLocalMode()) {
 | ||
| 								// Handle only top level values and not inside functions
 | ||
| 								if (inAnimationProperty && balanced.length === 0) {
 | ||
| 									lastIdentifier = [start, end, true];
 | ||
| 								} else {
 | ||
| 									return processLocalDeclaration(input, start, end);
 | ||
| 								}
 | ||
| 							}
 | ||
| 							break;
 | ||
| 						}
 | ||
| 					}
 | ||
| 				}
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			delim: (input, start, end) => {
 | ||
| 				if (isNextRulePrelude && isLocalMode()) {
 | ||
| 					const ident = walkCssTokens.skipCommentsAndEatIdentSequence(
 | ||
| 						input,
 | ||
| 						end
 | ||
| 					);
 | ||
| 					if (!ident) return end;
 | ||
| 					const name = unescapeIdentifier(input.slice(ident[0], ident[1]));
 | ||
| 					const dep = new CssLocalIdentifierDependency(name, [
 | ||
| 						ident[0],
 | ||
| 						ident[1]
 | ||
| 					]);
 | ||
| 					const { line: sl, column: sc } = locConverter.get(ident[0]);
 | ||
| 					const { line: el, column: ec } = locConverter.get(ident[1]);
 | ||
| 					dep.setLoc(sl, sc, el, ec);
 | ||
| 					module.addDependency(dep);
 | ||
| 					return ident[1];
 | ||
| 				}
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			hash: (input, start, end, isID) => {
 | ||
| 				if (isNextRulePrelude && isLocalMode() && isID) {
 | ||
| 					const valueStart = start + 1;
 | ||
| 					const name = unescapeIdentifier(input.slice(valueStart, end));
 | ||
| 					const dep = new CssLocalIdentifierDependency(name, [valueStart, end]);
 | ||
| 					const { line: sl, column: sc } = locConverter.get(start);
 | ||
| 					const { line: el, column: ec } = locConverter.get(end);
 | ||
| 					dep.setLoc(sl, sc, el, ec);
 | ||
| 					module.addDependency(dep);
 | ||
| 				}
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			colon: (input, start, end) => {
 | ||
| 				if (isModules) {
 | ||
| 					const ident = walkCssTokens.skipCommentsAndEatIdentSequence(
 | ||
| 						input,
 | ||
| 						end
 | ||
| 					);
 | ||
| 					if (!ident) return end;
 | ||
| 					const name = input.slice(ident[0], ident[1]).toLowerCase();
 | ||
| 
 | ||
| 					switch (scope) {
 | ||
| 						case CSS_MODE_TOP_LEVEL: {
 | ||
| 							if (name === "import") {
 | ||
| 								const pos = parseImportOrExport(0, input, ident[1]);
 | ||
| 								const dep = new ConstDependency("", [start, pos]);
 | ||
| 								module.addPresentationalDependency(dep);
 | ||
| 								return pos;
 | ||
| 							} else if (name === "export") {
 | ||
| 								const pos = parseImportOrExport(1, input, ident[1]);
 | ||
| 								const dep = new ConstDependency("", [start, pos]);
 | ||
| 								module.addPresentationalDependency(dep);
 | ||
| 								return pos;
 | ||
| 							}
 | ||
| 						}
 | ||
| 						// falls through
 | ||
| 						default: {
 | ||
| 							if (isNextRulePrelude) {
 | ||
| 								const isFn = input.charCodeAt(ident[1]) === CC_LEFT_PARENTHESIS;
 | ||
| 
 | ||
| 								if (isFn && name === "local") {
 | ||
| 									const end = ident[1] + 1;
 | ||
| 									modeData = "local";
 | ||
| 									const dep = new ConstDependency("", [start, end]);
 | ||
| 									module.addPresentationalDependency(dep);
 | ||
| 									balanced.push([":local", start, end]);
 | ||
| 									return end;
 | ||
| 								} else if (name === "local") {
 | ||
| 									modeData = "local";
 | ||
| 									// Eat extra whitespace
 | ||
| 									end = walkCssTokens.eatWhitespace(input, ident[1]);
 | ||
| 
 | ||
| 									if (ident[1] === end) {
 | ||
| 										this._emitWarning(
 | ||
| 											state,
 | ||
| 											`Missing whitespace after ':local' in '${input.slice(
 | ||
| 												start,
 | ||
| 												eatUntilLeftCurly(input, end) + 1
 | ||
| 											)}'`,
 | ||
| 											locConverter,
 | ||
| 											start,
 | ||
| 											end
 | ||
| 										);
 | ||
| 									}
 | ||
| 
 | ||
| 									const dep = new ConstDependency("", [start, end]);
 | ||
| 									module.addPresentationalDependency(dep);
 | ||
| 									return end;
 | ||
| 								} else if (isFn && name === "global") {
 | ||
| 									const end = ident[1] + 1;
 | ||
| 									modeData = "global";
 | ||
| 									const dep = new ConstDependency("", [start, end]);
 | ||
| 									module.addPresentationalDependency(dep);
 | ||
| 									balanced.push([":global", start, end]);
 | ||
| 									return end;
 | ||
| 								} else if (name === "global") {
 | ||
| 									modeData = "global";
 | ||
| 									// Eat extra whitespace
 | ||
| 									end = walkCssTokens.eatWhitespace(input, ident[1]);
 | ||
| 
 | ||
| 									if (ident[1] === end) {
 | ||
| 										this._emitWarning(
 | ||
| 											state,
 | ||
| 											`Missing whitespace after ':global' in '${input.slice(
 | ||
| 												start,
 | ||
| 												eatUntilLeftCurly(input, end) + 1
 | ||
| 											)}'`,
 | ||
| 											locConverter,
 | ||
| 											start,
 | ||
| 											end
 | ||
| 										);
 | ||
| 									}
 | ||
| 
 | ||
| 									const dep = new ConstDependency("", [start, end]);
 | ||
| 									module.addPresentationalDependency(dep);
 | ||
| 									return end;
 | ||
| 								}
 | ||
| 							}
 | ||
| 						}
 | ||
| 					}
 | ||
| 				}
 | ||
| 
 | ||
| 				lastTokenEndForComments = end;
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			function: (input, start, end) => {
 | ||
| 				const name = input
 | ||
| 					.slice(start, end - 1)
 | ||
| 					.replace(/\\/g, "")
 | ||
| 					.toLowerCase();
 | ||
| 
 | ||
| 				balanced.push([name, start, end]);
 | ||
| 
 | ||
| 				switch (name) {
 | ||
| 					case "src":
 | ||
| 					case "url": {
 | ||
| 						if (!this.url) {
 | ||
| 							return end;
 | ||
| 						}
 | ||
| 
 | ||
| 						const string = walkCssTokens.eatString(input, end);
 | ||
| 						if (!string) return end;
 | ||
| 						const { options, errors: commentErrors } = this.parseCommentOptions(
 | ||
| 							[lastTokenEndForComments, end]
 | ||
| 						);
 | ||
| 						if (commentErrors) {
 | ||
| 							for (const e of commentErrors) {
 | ||
| 								const { comment } = e;
 | ||
| 								state.module.addWarning(
 | ||
| 									new CommentCompilationWarning(
 | ||
| 										`Compilation error while processing magic comment(-s): /*${comment.value}*/: ${e.message}`,
 | ||
| 										comment.loc
 | ||
| 									)
 | ||
| 								);
 | ||
| 							}
 | ||
| 						}
 | ||
| 						if (options && options.webpackIgnore !== undefined) {
 | ||
| 							if (typeof options.webpackIgnore !== "boolean") {
 | ||
| 								const { line: sl, column: sc } = locConverter.get(string[0]);
 | ||
| 								const { line: el, column: ec } = locConverter.get(string[1]);
 | ||
| 
 | ||
| 								state.module.addWarning(
 | ||
| 									new UnsupportedFeatureWarning(
 | ||
| 										`\`webpackIgnore\` expected a boolean, but received: ${options.webpackIgnore}.`,
 | ||
| 										{
 | ||
| 											start: { line: sl, column: sc },
 | ||
| 											end: { line: el, column: ec }
 | ||
| 										}
 | ||
| 									)
 | ||
| 								);
 | ||
| 							} else if (options.webpackIgnore) {
 | ||
| 								return end;
 | ||
| 							}
 | ||
| 						}
 | ||
| 						const value = normalizeUrl(
 | ||
| 							input.slice(string[0] + 1, string[1] - 1),
 | ||
| 							true
 | ||
| 						);
 | ||
| 						// Ignore `url()`, `url('')` and `url("")`, they are valid by spec
 | ||
| 						if (value.length === 0) return end;
 | ||
| 						const isUrl = name === "url" || name === "src";
 | ||
| 						const dep = new CssUrlDependency(
 | ||
| 							value,
 | ||
| 							[string[0], string[1]],
 | ||
| 							isUrl ? "string" : "url"
 | ||
| 						);
 | ||
| 						const { line: sl, column: sc } = locConverter.get(string[0]);
 | ||
| 						const { line: el, column: ec } = locConverter.get(string[1]);
 | ||
| 						dep.setLoc(sl, sc, el, ec);
 | ||
| 						module.addDependency(dep);
 | ||
| 						module.addCodeGenerationDependency(dep);
 | ||
| 						return string[1];
 | ||
| 					}
 | ||
| 					default: {
 | ||
| 						if (this.url && IMAGE_SET_FUNCTION.test(name)) {
 | ||
| 							lastTokenEndForComments = end;
 | ||
| 							const values = walkCssTokens.eatImageSetStrings(input, end, {
 | ||
| 								comment
 | ||
| 							});
 | ||
| 							if (values.length === 0) return end;
 | ||
| 							for (const [index, string] of values.entries()) {
 | ||
| 								const value = normalizeUrl(
 | ||
| 									input.slice(string[0] + 1, string[1] - 1),
 | ||
| 									true
 | ||
| 								);
 | ||
| 								if (value.length === 0) return end;
 | ||
| 								const { options, errors: commentErrors } =
 | ||
| 									this.parseCommentOptions([
 | ||
| 										index === 0 ? start : values[index - 1][1],
 | ||
| 										string[1]
 | ||
| 									]);
 | ||
| 								if (commentErrors) {
 | ||
| 									for (const e of commentErrors) {
 | ||
| 										const { comment } = e;
 | ||
| 										state.module.addWarning(
 | ||
| 											new CommentCompilationWarning(
 | ||
| 												`Compilation error while processing magic comment(-s): /*${comment.value}*/: ${e.message}`,
 | ||
| 												comment.loc
 | ||
| 											)
 | ||
| 										);
 | ||
| 									}
 | ||
| 								}
 | ||
| 								if (options && options.webpackIgnore !== undefined) {
 | ||
| 									if (typeof options.webpackIgnore !== "boolean") {
 | ||
| 										const { line: sl, column: sc } = locConverter.get(
 | ||
| 											string[0]
 | ||
| 										);
 | ||
| 										const { line: el, column: ec } = locConverter.get(
 | ||
| 											string[1]
 | ||
| 										);
 | ||
| 
 | ||
| 										state.module.addWarning(
 | ||
| 											new UnsupportedFeatureWarning(
 | ||
| 												`\`webpackIgnore\` expected a boolean, but received: ${options.webpackIgnore}.`,
 | ||
| 												{
 | ||
| 													start: { line: sl, column: sc },
 | ||
| 													end: { line: el, column: ec }
 | ||
| 												}
 | ||
| 											)
 | ||
| 										);
 | ||
| 									} else if (options.webpackIgnore) {
 | ||
| 										continue;
 | ||
| 									}
 | ||
| 								}
 | ||
| 								const dep = new CssUrlDependency(
 | ||
| 									value,
 | ||
| 									[string[0], string[1]],
 | ||
| 									"url"
 | ||
| 								);
 | ||
| 								const { line: sl, column: sc } = locConverter.get(string[0]);
 | ||
| 								const { line: el, column: ec } = locConverter.get(string[1]);
 | ||
| 								dep.setLoc(sl, sc, el, ec);
 | ||
| 								module.addDependency(dep);
 | ||
| 								module.addCodeGenerationDependency(dep);
 | ||
| 							}
 | ||
| 							// Can contain `url()` inside, so let's return end to allow parse them
 | ||
| 							return end;
 | ||
| 						} else if (isLocalMode()) {
 | ||
| 							// Don't rename animation name when we have `var()` function
 | ||
| 							if (inAnimationProperty && balanced.length === 1) {
 | ||
| 								lastIdentifier = undefined;
 | ||
| 							}
 | ||
| 
 | ||
| 							if (name === "var") {
 | ||
| 								const customIdent = walkCssTokens.eatIdentSequence(input, end);
 | ||
| 								if (!customIdent) return end;
 | ||
| 								let name = input.slice(customIdent[0], customIdent[1]);
 | ||
| 								// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.
 | ||
| 								// The <custom-property-name> production corresponds to this:
 | ||
| 								// it’s defined as any <dashed-ident> (a valid identifier that starts with two dashes),
 | ||
| 								// except -- itself, which is reserved for future use by CSS.
 | ||
| 								if (!name.startsWith("--") || name.length < 3) return end;
 | ||
| 								name = unescapeIdentifier(
 | ||
| 									input.slice(customIdent[0] + 2, customIdent[1])
 | ||
| 								);
 | ||
| 								const afterCustomIdent = walkCssTokens.eatWhitespaceAndComments(
 | ||
| 									input,
 | ||
| 									customIdent[1]
 | ||
| 								);
 | ||
| 								if (
 | ||
| 									input.charCodeAt(afterCustomIdent) === CC_LOWER_F ||
 | ||
| 									input.charCodeAt(afterCustomIdent) === CC_UPPER_F
 | ||
| 								) {
 | ||
| 									const fromWord = walkCssTokens.eatIdentSequence(
 | ||
| 										input,
 | ||
| 										afterCustomIdent
 | ||
| 									);
 | ||
| 									if (
 | ||
| 										!fromWord ||
 | ||
| 										input.slice(fromWord[0], fromWord[1]).toLowerCase() !==
 | ||
| 											"from"
 | ||
| 									) {
 | ||
| 										return end;
 | ||
| 									}
 | ||
| 									const from = walkCssTokens.eatIdentSequenceOrString(
 | ||
| 										input,
 | ||
| 										walkCssTokens.eatWhitespaceAndComments(input, fromWord[1])
 | ||
| 									);
 | ||
| 									if (!from) {
 | ||
| 										return end;
 | ||
| 									}
 | ||
| 									const path = input.slice(from[0], from[1]);
 | ||
| 									if (from[2] === true && path === "global") {
 | ||
| 										const dep = new ConstDependency("", [
 | ||
| 											customIdent[1],
 | ||
| 											from[1]
 | ||
| 										]);
 | ||
| 										module.addPresentationalDependency(dep);
 | ||
| 										return end;
 | ||
| 									} else if (from[2] === false) {
 | ||
| 										const dep = new CssIcssImportDependency(
 | ||
| 											path.slice(1, -1),
 | ||
| 											name,
 | ||
| 											[customIdent[0], from[1] - 1]
 | ||
| 										);
 | ||
| 										const { line: sl, column: sc } = locConverter.get(
 | ||
| 											customIdent[0]
 | ||
| 										);
 | ||
| 										const { line: el, column: ec } = locConverter.get(
 | ||
| 											from[1] - 1
 | ||
| 										);
 | ||
| 										dep.setLoc(sl, sc, el, ec);
 | ||
| 										module.addDependency(dep);
 | ||
| 									}
 | ||
| 								} else {
 | ||
| 									const { line: sl, column: sc } = locConverter.get(
 | ||
| 										customIdent[0]
 | ||
| 									);
 | ||
| 									const { line: el, column: ec } = locConverter.get(
 | ||
| 										customIdent[1]
 | ||
| 									);
 | ||
| 									const dep = new CssSelfLocalIdentifierDependency(
 | ||
| 										name,
 | ||
| 										[customIdent[0], customIdent[1]],
 | ||
| 										"--",
 | ||
| 										declaredCssVariables
 | ||
| 									);
 | ||
| 									dep.setLoc(sl, sc, el, ec);
 | ||
| 									module.addDependency(dep);
 | ||
| 									return end;
 | ||
| 								}
 | ||
| 							}
 | ||
| 						}
 | ||
| 					}
 | ||
| 				}
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			leftParenthesis: (input, start, end) => {
 | ||
| 				balanced.push(["(", start, end]);
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			rightParenthesis: (input, start, end) => {
 | ||
| 				const popped = balanced.pop();
 | ||
| 
 | ||
| 				if (
 | ||
| 					isModules &&
 | ||
| 					popped &&
 | ||
| 					(popped[0] === ":local" || popped[0] === ":global")
 | ||
| 				) {
 | ||
| 					modeData = balanced[balanced.length - 1]
 | ||
| 						? /** @type {"local" | "global"} */
 | ||
| 							(balanced[balanced.length - 1][0])
 | ||
| 						: undefined;
 | ||
| 					const dep = new ConstDependency("", [start, end]);
 | ||
| 					module.addPresentationalDependency(dep);
 | ||
| 				}
 | ||
| 
 | ||
| 				return end;
 | ||
| 			},
 | ||
| 			comma: (input, start, end) => {
 | ||
| 				if (isModules) {
 | ||
| 					// Reset stack for `:global .class :local .class-other` selector after
 | ||
| 					modeData = undefined;
 | ||
| 
 | ||
| 					if (scope === CSS_MODE_IN_BLOCK && isLocalMode()) {
 | ||
| 						processDeclarationValueDone(input);
 | ||
| 					}
 | ||
| 				}
 | ||
| 
 | ||
| 				lastTokenEndForComments = start;
 | ||
| 
 | ||
| 				return end;
 | ||
| 			}
 | ||
| 		});
 | ||
| 
 | ||
| 		/** @type {BuildInfo} */
 | ||
| 		(module.buildInfo).strict = true;
 | ||
| 		/** @type {BuildMeta} */
 | ||
| 		(module.buildMeta).exportsType = this.namedExports
 | ||
| 			? "namespace"
 | ||
| 			: "default";
 | ||
| 
 | ||
| 		if (!this.namedExports) {
 | ||
| 			/** @type {BuildMeta} */
 | ||
| 			(module.buildMeta).defaultObject = "redirect";
 | ||
| 		}
 | ||
| 
 | ||
| 		module.addDependency(new StaticExportsDependency([], true));
 | ||
| 		return state;
 | ||
| 	}
 | ||
| 
 | ||
| 	/**
 | ||
| 	 * @param {Range} range range
 | ||
| 	 * @returns {Comment[]} comments in the range
 | ||
| 	 */
 | ||
| 	getComments(range) {
 | ||
| 		if (!this.comments) return [];
 | ||
| 		const [rangeStart, rangeEnd] = range;
 | ||
| 		/**
 | ||
| 		 * @param {Comment} comment comment
 | ||
| 		 * @param {number} needle needle
 | ||
| 		 * @returns {number} compared
 | ||
| 		 */
 | ||
| 		const compare = (comment, needle) =>
 | ||
| 			/** @type {Range} */ (comment.range)[0] - needle;
 | ||
| 		const comments = /** @type {Comment[]} */ (this.comments);
 | ||
| 		let idx = binarySearchBounds.ge(comments, rangeStart, compare);
 | ||
| 		/** @type {Comment[]} */
 | ||
| 		const commentsInRange = [];
 | ||
| 		while (
 | ||
| 			comments[idx] &&
 | ||
| 			/** @type {Range} */ (comments[idx].range)[1] <= rangeEnd
 | ||
| 		) {
 | ||
| 			commentsInRange.push(comments[idx]);
 | ||
| 			idx++;
 | ||
| 		}
 | ||
| 
 | ||
| 		return commentsInRange;
 | ||
| 	}
 | ||
| 
 | ||
| 	/**
 | ||
| 	 * @param {Range} range range of the comment
 | ||
| 	 * @returns {{ options: Record<string, EXPECTED_ANY> | null, errors: (Error & { comment: Comment })[] | null }} result
 | ||
| 	 */
 | ||
| 	parseCommentOptions(range) {
 | ||
| 		const comments = this.getComments(range);
 | ||
| 		if (comments.length === 0) {
 | ||
| 			return EMPTY_COMMENT_OPTIONS;
 | ||
| 		}
 | ||
| 		/** @type {Record<string, EXPECTED_ANY> } */
 | ||
| 		const options = {};
 | ||
| 		/** @type {(Error & { comment: Comment })[]} */
 | ||
| 		const errors = [];
 | ||
| 		for (const comment of comments) {
 | ||
| 			const { value } = comment;
 | ||
| 			if (value && webpackCommentRegExp.test(value)) {
 | ||
| 				// try compile only if webpack options comment is present
 | ||
| 				try {
 | ||
| 					for (let [key, val] of Object.entries(
 | ||
| 						vm.runInContext(
 | ||
| 							`(function(){return {${value}};})()`,
 | ||
| 							this.magicCommentContext
 | ||
| 						)
 | ||
| 					)) {
 | ||
| 						if (typeof val === "object" && val !== null) {
 | ||
| 							val =
 | ||
| 								val.constructor.name === "RegExp"
 | ||
| 									? new RegExp(val)
 | ||
| 									: JSON.parse(JSON.stringify(val));
 | ||
| 						}
 | ||
| 						options[key] = val;
 | ||
| 					}
 | ||
| 				} catch (err) {
 | ||
| 					const newErr = new Error(String(/** @type {Error} */ (err).message));
 | ||
| 					newErr.stack = String(/** @type {Error} */ (err).stack);
 | ||
| 					Object.assign(newErr, { comment });
 | ||
| 					errors.push(/** @type (Error & { comment: Comment }) */ (newErr));
 | ||
| 				}
 | ||
| 			}
 | ||
| 		}
 | ||
| 		return { options, errors };
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| module.exports = CssParser;
 | ||
| module.exports.escapeIdentifier = escapeIdentifier;
 | ||
| module.exports.unescapeIdentifier = unescapeIdentifier;
 |