66 lines
1.8 KiB
JavaScript
66 lines
1.8 KiB
JavaScript
// @ts-nocheck
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'use strict';
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const _ = require('lodash');
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const report = require('../../utils/report');
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const ruleMessages = require('../../utils/ruleMessages');
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const validateOptions = require('../../utils/validateOptions');
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const ruleName = 'selector-max-empty-lines';
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const messages = ruleMessages(ruleName, {
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expected: (max) => `Expected no more than ${max} empty ${max === 1 ? 'line' : 'lines'}`,
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});
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function rule(max, options, context) {
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const maxAdjacentNewlines = max + 1;
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return (root, result) => {
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const validOptions = validateOptions(result, ruleName, {
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actual: max,
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possible: _.isNumber,
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});
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if (!validOptions) {
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return;
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}
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const violatedCRLFNewLinesRegex = new RegExp(`(?:\r\n){${maxAdjacentNewlines + 1},}`);
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const violatedLFNewLinesRegex = new RegExp(`\n{${maxAdjacentNewlines + 1},}`);
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const allowedLFNewLinesString = context.fix ? '\n'.repeat(maxAdjacentNewlines) : '';
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const allowedCRLFNewLinesString = context.fix ? '\r\n'.repeat(maxAdjacentNewlines) : '';
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root.walkRules((rule) => {
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const selector = rule.raws.selector ? rule.raws.selector.raw : rule.selector;
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if (context.fix) {
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const newSelectorString = selector
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.replace(new RegExp(violatedLFNewLinesRegex, 'gm'), allowedLFNewLinesString)
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.replace(new RegExp(violatedCRLFNewLinesRegex, 'gm'), allowedCRLFNewLinesString);
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if (rule.raws.selector) {
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rule.raws.selector.raw = newSelectorString;
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} else {
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rule.selector = newSelectorString;
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}
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} else if (
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violatedLFNewLinesRegex.test(selector) ||
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violatedCRLFNewLinesRegex.test(selector)
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) {
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report({
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message: messages.expected(max),
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node: rule,
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index: 0,
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result,
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ruleName,
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});
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}
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});
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};
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}
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rule.ruleName = ruleName;
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rule.messages = messages;
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module.exports = rule;
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