'use strict'; const report = require('../../utils/report'); const ruleMessages = require('../../utils/ruleMessages'); const validateOptions = require('../../utils/validateOptions'); const { isNumber } = require('../../utils/validateTypes'); const ruleName = 'selector-max-empty-lines'; const messages = ruleMessages(ruleName, { expected: (max) => `Expected no more than ${max} empty ${max === 1 ? 'line' : 'lines'}`, }); const meta = { url: 'https://stylelint.io/user-guide/rules/selector-max-empty-lines', fixable: true, deprecated: true, }; /** @type {import('stylelint').Rule} */ const rule = (primary, _secondaryOptions, context) => { const maxAdjacentNewlines = primary + 1; return (root, result) => { const validOptions = validateOptions(result, ruleName, { actual: primary, possible: isNumber, }); if (!validOptions) { return; } const violatedCRLFNewLinesRegex = new RegExp(`(?:\r\n){${maxAdjacentNewlines + 1},}`); const violatedLFNewLinesRegex = new RegExp(`\n{${maxAdjacentNewlines + 1},}`); const allowedLFNewLinesString = context.fix ? '\n'.repeat(maxAdjacentNewlines) : ''; const allowedCRLFNewLinesString = context.fix ? '\r\n'.repeat(maxAdjacentNewlines) : ''; root.walkRules((ruleNode) => { const selector = ruleNode.raws.selector ? ruleNode.raws.selector.raw : ruleNode.selector; if (context.fix) { const newSelectorString = selector .replace(new RegExp(violatedLFNewLinesRegex, 'gm'), allowedLFNewLinesString) .replace(new RegExp(violatedCRLFNewLinesRegex, 'gm'), allowedCRLFNewLinesString); if (ruleNode.raws.selector) { ruleNode.raws.selector.raw = newSelectorString; } else { ruleNode.selector = newSelectorString; } } else if ( violatedLFNewLinesRegex.test(selector) || violatedCRLFNewLinesRegex.test(selector) ) { report({ message: messages.expected(primary), node: ruleNode, index: 0, result, ruleName, }); } }); }; }; rule.ruleName = ruleName; rule.messages = messages; rule.meta = meta; module.exports = rule;