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Read a carry fence's type in one function

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This commit is contained in:
Lilleman auf Larv
2026-10-03 14:45:48 +02:00
parent 2700184e56
commit c3bc2eb572
3 changed files with 11 additions and 5 deletions
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src/markdown/code-language.ts
+2 -2
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@@ -1,5 +1,5 @@
import type { JsonValue } from '../json-value.ts'
import { carryFencePrefix } from './opaque-carry.ts'
import { carryFenceType } from './opaque-carry.ts'
import { infoStringCarries } from './commonmark/grammar.ts'
export type LanguageSlot = { info: string; kind: 'fence' } | { kind: 'attribute' } | { kind: 'none' }
@@ -7,6 +7,6 @@ export type LanguageSlot = { info: string; kind: 'fence' } | { kind: 'attribute'
// spec/flavour.md, The CommonMark blocks: the one slot a codeBlock's language rides.
export function languageSlot(language: JsonValue | undefined): LanguageSlot {
if (language === undefined) return { kind: 'none' }
if (typeof language !== 'string' || language.startsWith(carryFencePrefix) || !infoStringCarries(language)) return { kind: 'attribute' }
if (typeof language !== 'string' || carryFenceType(language) !== undefined || !infoStringCarries(language)) return { kind: 'attribute' }
return { info: language, kind: 'fence' }
}