| "use strict"; |
| |
| const isStandardSyntaxRule = require("../../utils/isStandardSyntaxRule"); |
| const report = require("../../utils/report"); |
| const ruleMessages = require("../../utils/ruleMessages"); |
| const styleSearch = require("style-search"); |
| const validateOptions = require("../../utils/validateOptions"); |
| const whitespaceChecker = require("../../utils/whitespaceChecker"); |
| |
| const ruleName = "selector-list-comma-newline-after"; |
| |
| const messages = ruleMessages(ruleName, { |
| expectedAfter: () => 'Expected newline after ","', |
| expectedAfterMultiLine: () => |
| 'Expected newline after "," in a multi-line list', |
| rejectedAfterMultiLine: () => |
| 'Unexpected whitespace after "," in a multi-line list' |
| }); |
| |
| const rule = function(expectation, options, context) { |
| const checker = whitespaceChecker("newline", expectation, messages); |
| |
| return (root, result) => { |
| const validOptions = validateOptions(result, ruleName, { |
| actual: expectation, |
| possible: ["always", "always-multi-line", "never-multi-line"] |
| }); |
| |
| if (!validOptions) { |
| return; |
| } |
| |
| root.walkRules(rule => { |
| if (!isStandardSyntaxRule(rule)) { |
| return; |
| } |
| |
| // Get raw selector so we can allow end-of-line comments, e.g. |
| // a, /* comment */ |
| // b {} |
| const selector = rule.raws.selector |
| ? rule.raws.selector.raw |
| : rule.selector; |
| |
| const fixIndices = []; |
| |
| styleSearch( |
| { |
| source: selector, |
| target: ",", |
| functionArguments: "skip" |
| }, |
| match => { |
| const nextChars = selector.substr( |
| match.endIndex, |
| selector.length - match.endIndex |
| ); |
| |
| // If there's a // comment, that means there has to be a newline |
| // ending the comment so we're fine |
| if (nextChars.match(/^\s+\/\//)) { |
| return; |
| } |
| |
| // If there are spaces and then a comment begins, look for the newline |
| const indextoCheckAfter = nextChars.match(/^\s+\/\*/) |
| ? selector.indexOf("*/", match.endIndex) + 1 |
| : match.startIndex; |
| |
| checker.afterOneOnly({ |
| source: selector, |
| index: indextoCheckAfter, |
| err: m => { |
| if (context.fix) { |
| fixIndices.push(indextoCheckAfter + 1); |
| |
| return; |
| } |
| |
| report({ |
| message: m, |
| node: rule, |
| index: match.startIndex, |
| result, |
| ruleName |
| }); |
| } |
| }); |
| } |
| ); |
| |
| if (fixIndices.length) { |
| let fixedSelector = selector; |
| |
| fixIndices |
| .sort((a, b) => b - a) |
| .forEach(index => { |
| const beforeSelector = fixedSelector.slice(0, index); |
| let afterSelector = fixedSelector.slice(index); |
| |
| if (expectation.indexOf("always") === 0) { |
| afterSelector = context.newline + afterSelector; |
| } else if (expectation.indexOf("never-multi-line") === 0) { |
| afterSelector = afterSelector.replace(/^\s*/, ""); |
| } |
| |
| fixedSelector = beforeSelector + afterSelector; |
| }); |
| |
| if (rule.raws.selector) { |
| rule.raws.selector.raw = fixedSelector; |
| } else { |
| rule.selector = fixedSelector; |
| } |
| } |
| }); |
| }; |
| }; |
| |
| rule.ruleName = ruleName; |
| rule.messages = messages; |
| module.exports = rule; |