| "use strict"; |
| |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const selectorCombinatorSpaceChecker = require("../selectorCombinatorSpaceChecker"); |
| const validateOptions = require("../../utils/validateOptions"); |
| const whitespaceChecker = require("../../utils/whitespaceChecker"); |
| |
| const ruleName = "selector-combinator-space-before"; |
| |
| const messages = ruleMessages(ruleName, { |
| expectedBefore: combinator => `Expected single space before "${combinator}"`, |
| rejectedBefore: combinator => `Unexpected whitespace before "${combinator}"` |
| }); |
| |
| 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; |
| } |
| |
| selectorCombinatorSpaceChecker({ |
| root, |
| result, |
| locationChecker: checker.before, |
| locationType: "before", |
| checkedRuleName: ruleName, |
| fix: context.fix |
| ? combinator => { |
| if (expectation === "always") { |
| combinator.spaces.before = " "; |
| |
| return true; |
| } else if (expectation === "never") { |
| combinator.spaces.before = ""; |
| |
| return true; |
| } |
| } |
| : null |
| }); |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |