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2020-11-01 22:46:04 +00:00

66 lines
1.8 KiB
JavaScript

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