index.js 1.9 KB

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  1. 'use strict';
  2. const declarationColonSpaceChecker = require('../declarationColonSpaceChecker');
  3. const declarationValueIndex = require('../../utils/declarationValueIndex');
  4. const ruleMessages = require('../../utils/ruleMessages');
  5. const validateOptions = require('../../utils/validateOptions');
  6. const whitespaceChecker = require('../../utils/whitespaceChecker');
  7. const ruleName = 'declaration-colon-space-before';
  8. const messages = ruleMessages(ruleName, {
  9. expectedBefore: () => 'Expected single space before ":"',
  10. rejectedBefore: () => 'Unexpected whitespace before ":"',
  11. });
  12. const meta = {
  13. url: 'https://stylelint.io/user-guide/rules/declaration-colon-space-before',
  14. fixable: true,
  15. deprecated: true,
  16. };
  17. /** @type {import('stylelint').Rule} */
  18. const rule = (primary, _secondaryOptions, context) => {
  19. const checker = whitespaceChecker('space', primary, messages);
  20. return (root, result) => {
  21. const validOptions = validateOptions(result, ruleName, {
  22. actual: primary,
  23. possible: ['always', 'never'],
  24. });
  25. if (!validOptions) {
  26. return;
  27. }
  28. declarationColonSpaceChecker({
  29. root,
  30. result,
  31. locationChecker: checker.before,
  32. checkedRuleName: ruleName,
  33. fix: context.fix
  34. ? (decl, index) => {
  35. const colonIndex = index - declarationValueIndex(decl);
  36. const between = decl.raws.between;
  37. if (between == null) throw new Error('`between` must be present');
  38. if (primary === 'always') {
  39. decl.raws.between =
  40. between.slice(0, colonIndex).replace(/\s*$/, ' ') + between.slice(colonIndex);
  41. return true;
  42. }
  43. if (primary === 'never') {
  44. decl.raws.between =
  45. between.slice(0, colonIndex).replace(/\s*$/, '') + between.slice(colonIndex);
  46. return true;
  47. }
  48. return false;
  49. }
  50. : null,
  51. });
  52. };
  53. };
  54. rule.ruleName = ruleName;
  55. rule.messages = messages;
  56. rule.meta = meta;
  57. module.exports = rule;