text: // @ts-nocheck
  
  'use strict';
  
  const _ = require('lodash');
  const atRuleParamIndex = require('../../utils/atRuleParamIndex');
  const declarationValueIndex = require('../../utils/declarationValueIndex');
  const getUnitFromValueNode = require('../../utils/getUnitFromValueNode');
  const isMap = require('../../utils/isMap');
  const keywordSets = require('../../reference/keywordSets');
  const mediaParser = require('postcss-media-query-parser').default;
  const optionsMatches = require('../../utils/optionsMatches');
  const report = require('../../utils/report');
  const ruleMessages = require('../../utils/ruleMessages');
  const validateOptions = require('../../utils/validateOptions');
  const valueParser = require('postcss-value-parser');
  const vendor = require('../../utils/vendor');
  
  const ruleName = 'unit-no-unknown';
  
  const messages = ruleMessages(ruleName, {
  	rejected: (unit) => `Unexpected unknown unit "${unit}"`,
  });
  
  // The map property name (in map cleared from comments and spaces) always
  // has index that being divided by 4 gives remainder equals 0
  const mapPropertyNameIndexOffset = 4;
  
  function rule(actual, options) {
  	return (root, result) => {
  		const validOptions = validateOptions(
  			result,
  			ruleName,
  			{ actual },
  			{
  				actual: options,
  				possible: {
  					ignoreUnits: [_.isString, _.isRegExp],
  					ignoreFunctions: [_.isString, _.isRegExp],
  				},
  				optional: true,
  			},
  		);
  
  		if (!validOptions) {
  			return;
  		}
  
  		function check(node, value, getIndex) {
  			// make sure multiplication operations (*) are divided - not handled
  			// by postcss-value-parser
  			value = value.replace(/\*/g, ',');
  			const parsedValue = valueParser(value);
  			const ignoredMapProperties = [];
  
  			parsedValue.walk((valueNode) => {
  				// Ignore wrong units within `url` function
  				// and within functions listed in the `ignoreFunctions` option
  				if (
  					valueNode.type === 'function' &&
  					(valueNode.value.toLowerCase() === 'url' ||
  						optionsMatches(options, 'ignoreFunctions', valueNode.value))
  				) {
  					return false;
  				}
  
  				if (isMap(valueNode)) {
  					// TODO: Issue #4985
  					// eslint-disable-next-line no-shadow
  					valueNode.nodes.forEach((node, index) => {
  						if (!(index % mapPropertyNameIndexOffset)) {
  							ignoredMapProperties.push(node.sourceIndex);
  						}
  					});
  				}
  
  				if (ignoredMapProperties.includes(valueNode.sourceIndex)) {
  					return;
  				}
  
  				const unit = getUnitFromValueNode(valueNode);
  
  				if (!unit) {
  					return;
  				}
  
  				if (optionsMatches(options, 'ignoreUnits', unit)) {
  					return;
  				}
  
  				if (keywordSets.units.has(unit.toLowerCase()) && unit.toLowerCase() !== 'x') {
  					return;
  				}
  
  				if (unit.toLowerCase() === 'x') {
  					if (
  						node.type === 'atrule' &&
  						node.name === 'media' &&
  						node.params.toLowerCase().includes('resolution')
  					) {
  						let ignoreUnit = false;
  
  						mediaParser(node.params).walk((mediaNode, i, mediaNodes) => {
  							if (
  								mediaNode.value.toLowerCase().includes('resolution') &&
  								_.last(mediaNodes).sourceIndex === valueNode.sourceIndex
  							) {
  								ignoreUnit = true;
  
  								return false;
  							}
  						});
  
  						if (ignoreUnit) {
  							return;
  						}
  					}
  
  					if (node.type === 'decl') {
  						if (node.prop.toLowerCase() === 'image-resolution') {
  							return;
  						}
  
  						if (/^(?:-webkit-)?image-set[\s(]/i.test(value)) {
  							const imageSet = parsedValue.nodes.find(
  								// TODO: Issue #4985
  								// eslint-disable-next-line no-shadow
  								(node) => vendor.unprefixed(node.value) === 'image-set',
  							);
  							const imageSetValueLastIndex = _.last(imageSet.nodes).sourceIndex;
  
  							if (imageSetValueLastIndex >= valueNode.sourceIndex) {
  								return;
  							}
  						}
  					}
  				}
  
  				report({
  					index: getIndex(node) + valueNode.sourceIndex,
  					message: messages.rejected(unit),
  					node,
  					result,
  					ruleName,
  				});
  			});
  		}
  
  		root.walkAtRules((atRule) => {
  			if (!/^media$/i.test(atRule.name) && !atRule.variable) {
  				return;
  			}
  
  			check(atRule, atRule.params, atRuleParamIndex);
  		});
  		root.walkDecls((decl) => check(decl, decl.value, declarationValueIndex));
  	};
  }
  
  rule.ruleName = ruleName;
  rule.messages = messages;
  module.exports = rule;
  