| 32 | console.log(doc.toString()) |
| 33 | |
| 34 | function parentCanNarrowType(): never | void { |
| 35 | let atRule = postcss.parse('@a{b{}}').first |
| 36 | if (atRule?.type !== 'atrule') return |
| 37 | let rule = atRule.first |
| 38 | if (rule?.type !== 'rule') return |
| 39 | let parent = rule.parent |
| 40 | switch (parent?.type) { |
| 41 | case undefined: |
| 42 | console.log('ok') |
| 43 | break |
| 44 | case 'atrule': |
| 45 | console.log(parent.params) |
| 46 | break |
| 47 | case 'root': |
| 48 | { |
| 49 | let raws: RootRaws = parent.raws |
| 50 | console.log(raws) |
| 51 | } |
| 52 | break |
| 53 | case 'rule': |
| 54 | console.log(rule.selector) |
| 55 | break |
| 56 | default: { |
| 57 | let exhaustiveCheck: never = parent |
| 58 | return exhaustiveCheck |
| 59 | } |
| 60 | } |
| 61 | } |
| 62 | parentCanNarrowType() |
| 63 | |
| 64 | export default plugin |