index.js 2.5 KB

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  1. 'use strict';
  2. const atRuleParamIndex = require('../../utils/atRuleParamIndex');
  3. const mediaQueryListCommaWhitespaceChecker = require('../mediaQueryListCommaWhitespaceChecker');
  4. const ruleMessages = require('../../utils/ruleMessages');
  5. const validateOptions = require('../../utils/validateOptions');
  6. const whitespaceChecker = require('../../utils/whitespaceChecker');
  7. const ruleName = 'media-query-list-comma-space-before';
  8. const messages = ruleMessages(ruleName, {
  9. expectedBefore: () => 'Expected single space before ","',
  10. rejectedBefore: () => 'Unexpected whitespace before ","',
  11. expectedBeforeSingleLine: () => 'Expected single space before "," in a single-line list',
  12. rejectedBeforeSingleLine: () => 'Unexpected whitespace before "," in a single-line list',
  13. });
  14. const meta = {
  15. url: 'https://stylelint.io/user-guide/rules/list/media-query-list-comma-space-before',
  16. fixable: true,
  17. };
  18. /** @type {import('stylelint').Rule} */
  19. const rule = (primary, _secondaryOptions, context) => {
  20. const checker = whitespaceChecker('space', primary, messages);
  21. return (root, result) => {
  22. const validOptions = validateOptions(result, ruleName, {
  23. actual: primary,
  24. possible: ['always', 'never', 'always-single-line', 'never-single-line'],
  25. });
  26. if (!validOptions) {
  27. return;
  28. }
  29. /** @type {Map<import('postcss').AtRule, number[]> | undefined} */
  30. let fixData;
  31. mediaQueryListCommaWhitespaceChecker({
  32. root,
  33. result,
  34. locationChecker: checker.before,
  35. checkedRuleName: ruleName,
  36. fix: context.fix
  37. ? (atRule, index) => {
  38. const paramCommaIndex = index - atRuleParamIndex(atRule);
  39. fixData = fixData || new Map();
  40. const commaIndices = fixData.get(atRule) || [];
  41. commaIndices.push(paramCommaIndex);
  42. fixData.set(atRule, commaIndices);
  43. return true;
  44. }
  45. : null,
  46. });
  47. if (fixData) {
  48. for (const [atRule, commaIndices] of fixData.entries()) {
  49. let params = atRule.raws.params ? atRule.raws.params.raw : atRule.params;
  50. for (const index of commaIndices.sort((a, b) => b - a)) {
  51. const beforeComma = params.slice(0, index);
  52. const afterComma = params.slice(index);
  53. if (primary.startsWith('always')) {
  54. params = beforeComma.replace(/\s*$/, ' ') + afterComma;
  55. } else if (primary.startsWith('never')) {
  56. params = beforeComma.replace(/\s*$/, '') + afterComma;
  57. }
  58. }
  59. if (atRule.raws.params) {
  60. atRule.raws.params.raw = params;
  61. } else {
  62. atRule.params = params;
  63. }
  64. }
  65. }
  66. };
  67. };
  68. rule.ruleName = ruleName;
  69. rule.messages = messages;
  70. rule.meta = meta;
  71. module.exports = rule;