Files
adf-codec/src/markdown-tables.ts
T

54 lines
2.3 KiB
TypeScript

import type { AdfNode } from './adf-document.ts'
import { emitInlineLine } from './markdown-inline.ts'
import { success, type ConvertErrorPath, type Result } from './result.ts'
export function emitPipeTable(node: AdfNode, path: ConvertErrorPath): Result<string> | undefined {
const rows = pipeRows(node)
if (rows === undefined) return undefined
const lines: string[] = []
for (const [rowIndex, row] of rows.entries()) {
const cells: string[] = []
for (const [cellIndex, paragraph] of row.entries()) {
const content = paragraph.content ?? []
const line = content.length === 0 ? success('') : emitInlineLine(content, 'table-cell', [...path, 'content', rowIndex, 'content', cellIndex, 'content', 0])
if (!line.ok) return line
cells.push(line.value)
}
lines.push(`| ${cells.join(' | ')} |`)
if (rowIndex === 0) lines.push(`| ${cells.map(() => '---').join(' | ')} |`)
}
return success(lines.join('\n'))
}
function pipeRows(node: AdfNode): AdfNode[][] | undefined {
const rows = node.content ?? []
const columns = (rows[0]?.content ?? []).length
if (!isPlain(node) || columns === 0) return undefined
const grid: AdfNode[][] = []
for (const [index, row] of rows.entries()) {
const cells = row.content ?? []
if (row.type !== 'tableRow' || !isPlain(row) || cells.length !== columns) return undefined
const wanted = index === 0 ? 'tableHeader' : 'tableCell'
const paragraphs: AdfNode[] = []
for (const cell of cells) {
const paragraph = plainParagraph(cell)
if (paragraph === undefined || cell.type !== wanted || !isPlain(cell)) return undefined
paragraphs.push(paragraph)
}
grid.push(paragraphs)
}
return grid
}
function isPlain(node: AdfNode): boolean {
return Object.keys(node.attrs ?? {}).length === 0 && (node.marks ?? []).length === 0 && node.text === undefined
}
function plainParagraph(cell: AdfNode): AdfNode | undefined {
const content = cell.content ?? []
const paragraph = content[0]
if (paragraph === undefined || content.length !== 1 || paragraph.type !== 'paragraph' || !isPlain(paragraph)) return undefined
const pipedCode = (paragraph.content ?? []).some((child) => (child.marks ?? []).some((mark) => mark.type === 'code') && (child.text ?? '').includes('|'))
return pipedCode ? undefined : paragraph
}