1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- '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;
|