index.js 2.4 KB

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  1. 'use strict';
  2. const isStandardSyntaxRule = require('../../utils/isStandardSyntaxRule');
  3. const isStandardSyntaxSelector = require('../../utils/isStandardSyntaxSelector');
  4. const { levelOneAndTwoPseudoElements } = require('../../reference/selectors');
  5. const parseSelector = require('../../utils/parseSelector');
  6. const report = require('../../utils/report');
  7. const ruleMessages = require('../../utils/ruleMessages');
  8. const validateOptions = require('../../utils/validateOptions');
  9. const ruleName = 'selector-pseudo-class-case';
  10. const messages = ruleMessages(ruleName, {
  11. expected: (actual, expected) => `Expected "${actual}" to be "${expected}"`,
  12. });
  13. const meta = {
  14. url: 'https://stylelint.io/user-guide/rules/list/selector-pseudo-class-case',
  15. fixable: true,
  16. };
  17. /** @type {import('stylelint').Rule} */
  18. const rule = (primary, _secondaryOptions, context) => {
  19. return (root, result) => {
  20. const validOptions = validateOptions(result, ruleName, {
  21. actual: primary,
  22. possible: ['lower', 'upper'],
  23. });
  24. if (!validOptions) {
  25. return;
  26. }
  27. root.walkRules((ruleNode) => {
  28. if (!isStandardSyntaxRule(ruleNode)) {
  29. return;
  30. }
  31. const selector = ruleNode.selector;
  32. if (!selector.includes(':')) {
  33. return;
  34. }
  35. const fixedSelector = parseSelector(
  36. ruleNode.raws.selector ? ruleNode.raws.selector.raw : ruleNode.selector,
  37. result,
  38. ruleNode,
  39. (selectorTree) => {
  40. selectorTree.walkPseudos((pseudoNode) => {
  41. const pseudo = pseudoNode.value;
  42. if (!isStandardSyntaxSelector(pseudo)) {
  43. return;
  44. }
  45. if (
  46. pseudo.includes('::') ||
  47. levelOneAndTwoPseudoElements.has(pseudo.toLowerCase().slice(1))
  48. ) {
  49. return;
  50. }
  51. const expectedPseudo =
  52. primary === 'lower' ? pseudo.toLowerCase() : pseudo.toUpperCase();
  53. if (pseudo === expectedPseudo) {
  54. return;
  55. }
  56. if (context.fix) {
  57. pseudoNode.value = expectedPseudo;
  58. return;
  59. }
  60. report({
  61. message: messages.expected(pseudo, expectedPseudo),
  62. node: ruleNode,
  63. index: pseudoNode.sourceIndex,
  64. ruleName,
  65. result,
  66. });
  67. });
  68. },
  69. );
  70. if (context.fix && fixedSelector) {
  71. if (ruleNode.raws.selector) {
  72. ruleNode.raws.selector.raw = fixedSelector;
  73. } else {
  74. ruleNode.selector = fixedSelector;
  75. }
  76. }
  77. });
  78. };
  79. };
  80. rule.ruleName = ruleName;
  81. rule.messages = messages;
  82. rule.meta = meta;
  83. module.exports = rule;