index.js 2.2 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 report = require('../../utils/report');
  6. const ruleMessages = require('../../utils/ruleMessages');
  7. const transformSelector = require('../../utils/transformSelector');
  8. const validateOptions = require('../../utils/validateOptions');
  9. const ruleName = 'selector-pseudo-element-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/selector-pseudo-element-case',
  15. fixable: true,
  16. deprecated: true,
  17. };
  18. /** @type {import('stylelint').Rule} */
  19. const rule = (primary, _secondaryOptions, context) => {
  20. return (root, result) => {
  21. const validOptions = validateOptions(result, ruleName, {
  22. actual: primary,
  23. possible: ['lower', 'upper'],
  24. });
  25. if (!validOptions) {
  26. return;
  27. }
  28. root.walkRules((ruleNode) => {
  29. if (!isStandardSyntaxRule(ruleNode)) {
  30. return;
  31. }
  32. const selector = ruleNode.selector;
  33. if (!selector.includes(':')) {
  34. return;
  35. }
  36. transformSelector(result, ruleNode, (selectorTree) => {
  37. selectorTree.walkPseudos((pseudoNode) => {
  38. const pseudoElement = pseudoNode.value;
  39. if (!isStandardSyntaxSelector(pseudoElement)) {
  40. return;
  41. }
  42. if (
  43. !pseudoElement.includes('::') &&
  44. !levelOneAndTwoPseudoElements.has(pseudoElement.toLowerCase().slice(1))
  45. ) {
  46. return;
  47. }
  48. const expectedPseudoElement =
  49. primary === 'lower' ? pseudoElement.toLowerCase() : pseudoElement.toUpperCase();
  50. if (pseudoElement === expectedPseudoElement) {
  51. return;
  52. }
  53. if (context.fix) {
  54. pseudoNode.value = expectedPseudoElement;
  55. return;
  56. }
  57. report({
  58. message: messages.expected(pseudoElement, expectedPseudoElement),
  59. node: ruleNode,
  60. index: pseudoNode.sourceIndex,
  61. ruleName,
  62. result,
  63. });
  64. });
  65. });
  66. });
  67. };
  68. };
  69. rule.ruleName = ruleName;
  70. rule.messages = messages;
  71. rule.meta = meta;
  72. module.exports = rule;