index.mjs 2.4 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081
  1. import { isTokenString, tokenize } from '@csstools/css-tokenizer';
  2. import { fork } from 'css-tree';
  3. import { atRuleRegexes, descriptorRegexes } from '../../utils/regexes.mjs';
  4. import { declarationValueIndex } from '../../utils/nodeFieldIndices.mjs';
  5. import report from '../../utils/report.mjs';
  6. import ruleMessages from '../../utils/ruleMessages.mjs';
  7. import validateOptions from '../../utils/validateOptions.mjs';
  8. const ruleName = 'syntax-string-no-invalid';
  9. const messages = ruleMessages(ruleName, {
  10. rejected: (syntaxString) => `Unexpected invalid syntax string "${syntaxString}"`,
  11. });
  12. const meta = {
  13. url: 'https://stylelint.io/user-guide/rules/syntax-string-no-invalid',
  14. };
  15. /** @type {import('stylelint').CoreRules[ruleName]} */
  16. const rule = (primary) => {
  17. return (root, result) => {
  18. const validOptions = validateOptions(result, ruleName, { actual: primary });
  19. if (!validOptions) {
  20. return;
  21. }
  22. const forkedLexer = fork({
  23. properties: {
  24. '-stylelint-syntax': "'*' | <syntax-component> [ <syntax-combinator> <syntax-component> ]*",
  25. },
  26. types: {
  27. 'syntax-component':
  28. "<syntax-single-component> <syntax-multiplier>? | '<' transform-list '>'",
  29. 'syntax-single-component': "'<' <syntax-type-name> '>' | <ident>",
  30. 'syntax-type-name':
  31. 'angle | color | custom-ident | image | integer | length | length-percentage | number | percentage | resolution | string | time | url | transform-function',
  32. 'syntax-combinator': "'|'",
  33. 'syntax-multiplier': "[ '#' | '+' ]",
  34. },
  35. }).lexer;
  36. root.walkAtRules(atRuleRegexes.propertyName, (atRule) => {
  37. atRule.walkDecls(descriptorRegexes.syntaxName, (decl) => {
  38. const tokens = tokenize({ css: decl.value }).filter((token) => isTokenString(token));
  39. tokens.forEach((token) => {
  40. const { error } = forkedLexer.matchProperty('-stylelint-syntax', token[4].value);
  41. if (!error) return;
  42. if (!('mismatchLength' in error)) return;
  43. const { name, rawMessage } = error;
  44. if (name !== 'SyntaxMatchError') return;
  45. if (rawMessage !== 'Mismatch') return;
  46. const valueIndex = declarationValueIndex(decl);
  47. report({
  48. message: messages.rejected,
  49. messageArgs: [token[1]],
  50. node: decl,
  51. index: valueIndex + token[2],
  52. endIndex: valueIndex + token[3] + 1,
  53. result,
  54. ruleName,
  55. });
  56. });
  57. });
  58. });
  59. };
  60. };
  61. rule.ruleName = ruleName;
  62. rule.messages = messages;
  63. rule.meta = meta;
  64. export default rule;