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Answer the architecture pass: the list a blank line split, and the slot the seam names
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Lilleman auf Larv
2026-09-01 18:20:53 +02:00
parent 2527d1e3d8
commit aae1ed4baf
12 changed files with 163 additions and 35 deletions
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src/markdown/code-language.ts
+8 -6
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@@ -3,10 +3,12 @@ import { carryName } from './opaque-carry.ts'
import { holdsControlCharacter } from './commonmark-grammar.ts'
import { holdsEntityReference } from './entity-references.ts'
// spec/flavour.md, The CommonMark blocks: the info string the language rides, `undefined` where the attribute carries it.
export function fenceInfo(language: JsonValue | undefined): string | undefined {
if (language === undefined) return ''
if (typeof language !== 'string' || language === '' || language === carryName) return undefined
if (/[`\\]/.test(language) || holdsControlCharacter(language) || language !== language.trim() || holdsEntityReference(language)) return undefined
return language
export type LanguageSlot = { info: string; kind: 'fence' } | { kind: 'attribute' } | { kind: 'none' }
// spec/flavour.md, The CommonMark blocks: the one slot a codeBlock's language rides, both directions.
export function languageSlot(language: JsonValue | undefined): LanguageSlot {
if (language === undefined) return { kind: 'none' }
if (typeof language !== 'string' || language === '' || language === carryName) return { kind: 'attribute' }
if (/[`\\]/.test(language) || holdsControlCharacter(language) || language !== language.trim() || holdsEntityReference(language)) return { kind: 'attribute' }
return { info: language, kind: 'fence' }
}