isStandardRule.js 2.0 KB

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  1. "use strict";
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports["default"] = _default;
  6. var _isCustomPropertySet = _interopRequireDefault(require("./isCustomPropertySet"));
  7. var _isStandardSelector = _interopRequireDefault(require("./isStandardSelector"));
  8. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
  9. /**
  10. * Check whether a Node is a standard rule
  11. *
  12. * @param {import('postcss').Rule} rule
  13. * @returns {boolean}
  14. */
  15. function _default(rule) {
  16. var _rule$raws, _rule$raws$selector;
  17. // Get full selector
  18. var selector = (rule === null || rule === void 0 ? void 0 : (_rule$raws = rule.raws) === null || _rule$raws === void 0 ? void 0 : (_rule$raws$selector = _rule$raws.selector) === null || _rule$raws$selector === void 0 ? void 0 : _rule$raws$selector.raw) || rule.selector;
  19. if (!(0, _isStandardSelector["default"])(rule.selector)) {
  20. return false;
  21. }
  22. // Custom property set (e.g. --custom-property-set: {})
  23. if ((0, _isCustomPropertySet["default"])(rule)) {
  24. return false;
  25. }
  26. // Called Less mixin (e.g. a { .mixin() })
  27. // @ts-ignore TODO TYPES support LESS and SASS types somehow
  28. if (rule.mixin) {
  29. return false;
  30. }
  31. // Less detached rulesets
  32. if (selector.startsWith("@") && selector.endsWith(":")) {
  33. return false;
  34. }
  35. // Ignore Less &:extend rule
  36. // @ts-ignore TODO TYPES support LESS and SASS types somehow
  37. if (rule.extend) {
  38. return false;
  39. }
  40. // Ignore mixin or &:extend rule
  41. // https://github.com/shellscape/postcss-less/blob/master/lib/less-parser.js#L52
  42. // @ts-ignore TODO TYPES support LESS and SASS types somehow
  43. if (rule.params && rule.params[0]) {
  44. return false;
  45. }
  46. // Non-outputting Less mixin definition (e.g. .mixin() {})
  47. if (selector.endsWith(")") && !selector.includes(":")) {
  48. return false;
  49. }
  50. // Less guards
  51. if (/when\s+(not\s+)*\(/.test(selector)) {
  52. return false;
  53. }
  54. // Ignore Scss nested properties
  55. if (selector.endsWith(":")) {
  56. return false;
  57. }
  58. return true;
  59. }