| "use strict"; |
| |
| const atRuleParamIndex = require("../../utils/atRuleParamIndex"); |
| const mediaFeatureColonSpaceChecker = require("../mediaFeatureColonSpaceChecker"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const validateOptions = require("../../utils/validateOptions"); |
| const whitespaceChecker = require("../../utils/whitespaceChecker"); |
| |
| const ruleName = "media-feature-colon-space-before"; |
| |
| const messages = ruleMessages(ruleName, { |
| expectedBefore: () => 'Expected single space before ":"', |
| rejectedBefore: () => 'Unexpected whitespace before ":"' |
| }); |
| |
| const rule = function(expectation, options, context) { |
| const checker = whitespaceChecker("space", expectation, messages); |
| |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: expectation, |
| possible: ["always", "never"] |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| let fixData; |
| |
| mediaFeatureColonSpaceChecker({ |
| root, |
| result, |
| locationChecker: checker.before, |
| checkedRuleName: ruleName, |
| fix: context.fix |
| ? (atRule, index) => { |
| const paramColonIndex = index - atRuleParamIndex(atRule); |
| |
| fixData = fixData || new Map(); |
| const colonIndices = fixData.get(atRule) || []; |
| |
| colonIndices.push(paramColonIndex); |
| fixData.set(atRule, colonIndices); |
| |
| return true; |
| } |
| : null |
| }); |
| |
| if (fixData) { |
| fixData.forEach((colonIndices, atRule) => { |
| let params = atRule.raws.params |
| ? atRule.raws.params.raw |
| : atRule.params; |
| |
| colonIndices |
| .sort((a, b) => b - a) |
| .forEach(index => { |
| const beforeColon = params.slice(0, index); |
| const afterColon = params.slice(index); |
| |
| if (expectation === "always") { |
| params = beforeColon.replace(/\s*$/, " ") + afterColon; |
| } else if (expectation === "never") { |
| params = beforeColon.replace(/\s*$/, "") + afterColon; |
| } |
| }); |
| |
| if (atRule.raws.params) { |
| atRule.raws.params.raw = params; |
| } else { |
| atRule.params = params; |
| } |
| }); |
| } |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |