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Carry what no section or mark spelling writes, and drop the mark refusal
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Lilleman auf Larv
2026-08-27 10:38:34 +02:00
parent 185bf75bf3
commit 7035e42d1d
18 changed files with 459 additions and 199 deletions
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src/markdown-escaping.ts
+13 -11
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@@ -4,15 +4,17 @@ export type EmphasisRole = 'close' | 'open'
export type InlineEscaping = 'backslash' | 'bracketed' | 'none'
export type NodeRange = { first: number; last: number }
export type InlineSegment =
| { emphasis: EmphasisRole; escaping: 'none'; mark: string; text: string }
| { emphasis: EmphasisRole; escaping: 'none'; nodes: NodeRange; text: string }
| { emphasis?: undefined; escaping: InlineEscaping; text: string }
export type AssembledLine = { line: string; unspellableMark: string | undefined }
export type AssembledLine = { line: string; unspellableRun: NodeRange | undefined }
export type LineContainer = 'heading' | 'paragraph' | 'table-cell'
type DelimiterRun = { character: string; closeMark: string | undefined; end: number; openMark: string | undefined; start: number }
type DelimiterRun = { character: string; closeNodes: NodeRange | undefined; end: number; openNodes: NodeRange | undefined; start: number }
const delimiters = ['*', '_', '`', '~']
@@ -72,15 +74,15 @@ function escape(segments: readonly InlineSegment[], container: LineContainer): A
placements.push(output.length)
output += scan.charAt(index)
}
return { line: output, unspellableMark: unspellableMark(segments, output, placements) }
return { line: output, unspellableRun: unspellableRun(segments, output, placements) }
}
function unspellableMark(segments: readonly InlineSegment[], output: string, placements: readonly number[]): string | undefined {
function unspellableRun(segments: readonly InlineSegment[], output: string, placements: readonly number[]): NodeRange | undefined {
for (const run of delimiterRuns(segments, placements)) {
const before = charAt(output, run.start - 1)
const after = output.charAt(run.end)
if (run.openMark !== undefined && !isLeftFlanking(before, after)) return run.openMark
if (run.closeMark !== undefined && !isRightFlanking(before, after)) return run.closeMark
if (run.openNodes !== undefined && !isLeftFlanking(before, after)) return run.openNodes
if (run.closeNodes !== undefined && !isRightFlanking(before, after)) return run.closeNodes
}
return undefined
}
@@ -96,16 +98,16 @@ function delimiterRuns(segments: readonly InlineSegment[], placements: readonly
const end = start + segment.text.length
const previous = runs[runs.length - 1]
if (previous !== undefined && previous.end === start && previous.character === segment.text.charAt(0)) {
previous.closeMark = previous.closeMark ?? (closes ? segment.mark : undefined)
previous.closeNodes = previous.closeNodes ?? (closes ? segment.nodes : undefined)
previous.end = end
previous.openMark = previous.openMark ?? (closes ? undefined : segment.mark)
previous.openNodes = previous.openNodes ?? (closes ? undefined : segment.nodes)
continue
}
runs.push({
character: segment.text.charAt(0),
closeMark: closes ? segment.mark : undefined,
closeNodes: closes ? segment.nodes : undefined,
end,
openMark: closes ? undefined : segment.mark,
openNodes: closes ? undefined : segment.nodes,
start,
})
}