index.js 1.7 KB

1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162
  1. // @ts-nocheck
  2. 'use strict';
  3. const _ = require('lodash');
  4. const report = require('../../utils/report');
  5. const ruleMessages = require('../../utils/ruleMessages');
  6. const validateOptions = require('../../utils/validateOptions');
  7. const ruleName = 'value-list-max-empty-lines';
  8. const messages = ruleMessages(ruleName, {
  9. expected: (max) => `Expected no more than ${max} empty ${max === 1 ? 'line' : 'lines'}`,
  10. });
  11. function rule(max, options, context) {
  12. const maxAdjacentNewlines = max + 1;
  13. return (root, result) => {
  14. const validOptions = validateOptions(result, ruleName, {
  15. actual: max,
  16. possible: _.isNumber,
  17. });
  18. if (!validOptions) {
  19. return;
  20. }
  21. const violatedCRLFNewLinesRegex = new RegExp(`(?:\r\n){${maxAdjacentNewlines + 1},}`);
  22. const violatedLFNewLinesRegex = new RegExp(`\n{${maxAdjacentNewlines + 1},}`);
  23. const allowedLFNewLinesString = context.fix ? '\n'.repeat(maxAdjacentNewlines) : '';
  24. const allowedCRLFNewLinesString = context.fix ? '\r\n'.repeat(maxAdjacentNewlines) : '';
  25. root.walkDecls((decl) => {
  26. const value = decl.raws.value ? decl.raws.value.raw : decl.value;
  27. if (context.fix) {
  28. const newValueString = value
  29. .replace(new RegExp(violatedLFNewLinesRegex, 'gm'), allowedLFNewLinesString)
  30. .replace(new RegExp(violatedCRLFNewLinesRegex, 'gm'), allowedCRLFNewLinesString);
  31. if (decl.raws.value) {
  32. decl.raws.value.raw = newValueString;
  33. } else {
  34. decl.value = newValueString;
  35. }
  36. } else if (violatedLFNewLinesRegex.test(value) || violatedCRLFNewLinesRegex.test(value)) {
  37. report({
  38. message: messages.expected(max),
  39. node: decl,
  40. index: 0,
  41. result,
  42. ruleName,
  43. });
  44. }
  45. });
  46. };
  47. }
  48. rule.ruleName = ruleName;
  49. rule.messages = messages;
  50. module.exports = rule;