{attributes.description}
+ )} +{a.description}
- )} - - {d.metadata && ( -
+ {part.slice(1, -1)}
+
+ )
+ }
+ if (
+ ((part.startsWith('*') && part.endsWith('*')) ||
+ (part.startsWith('_') && part.endsWith('_'))) &&
+ part.length > 2
+ ) {
+ return (
+
+ {part.slice(1, -1)}
+
+ )
+ }
+ return part
+ })
+}
+
+export type Align = 'start' | 'center' | 'end'
+
+interface Block {
+ type: 'p' | 'h' | 'ul' | 'ol' | 'table' | 'code'
+ level?: number
+ lines: string[]
+ head?: string[]
+ rows?: string[][]
+ align?: Align[]
+ lang?: string
+}
+
+/** ```` ```sh ```` or a bare ```` ``` ````. The language is optional. */
+const FENCE_OPEN = /^\s*```\s*([\w+#.-]*)\s*$/
+const FENCE_CLOSE = /^\s*```\s*$/
+
+/**
+ * Splits one table row into cells.
+ *
+ * Aware of backticks, because a threat-intel table is full of inline code and
+ * a regex or a pattern can legitimately contain a pipe — `a|b` must stay one
+ * cell rather than silently becoming two and shifting every column after it.
+ * Escaped `\|` is honoured for the same reason.
+ */
+export function splitRow(line: string): string[] {
+ const body = line.trim().replace(/^\|/, '').replace(/\|$/, '')
+ const cells: string[] = []
+ let cell = ''
+ let inCode = false
+
+ for (let i = 0; i < body.length; i++) {
+ const ch = body[i]
+ if (ch === '\\' && body[i + 1] === '|') {
+ cell += '|'
+ i++
+ continue
+ }
+ if (ch === '`') inCode = !inCode
+ if (ch === '|' && !inCode) {
+ cells.push(cell.trim())
+ cell = ''
+ continue
+ }
+ cell += ch
+ }
+ cells.push(cell.trim())
+ return cells
+}
+
+/** `---`, `:---`, `---:` or `:---:` in every cell — the row under the header. */
+export function isDelimiterRow(line: string): boolean {
+ if (!line.includes('-')) return false
+ const cells = splitRow(line)
+ return cells.length > 0 && cells.every((c) => /^:?-+:?$/.test(c))
+}
+
+function alignOf(cell: string): Align {
+ const left = cell.startsWith(':')
+ const right = cell.endsWith(':')
+ if (left && right) return 'center'
+ if (right) return 'end'
+ return 'start'
+}
+
+export function parseBlocks(source: string): Block[] {
+ const blocks: Block[] = []
+ let current: Block | null = null
+
+ const flush = () => {
+ if (current) blocks.push(current)
+ current = null
+ }
+
+ const all = source.split('\n')
+ for (let index = 0; index < all.length; index++) {
+ const rawLine = all[index]
+ const line = rawLine.trimEnd()
+
+ // Fenced code is checked before anything else: a shell command beginning
+ // with `-` or a pattern containing `|` would otherwise be reformatted.
+ // An unterminated fence runs to the end of the input — the answer is
+ // streamed a token at a time, so a half-arrived fence must already
+ // render as code.
+ const opening = FENCE_OPEN.exec(line)
+ if (opening) {
+ flush()
+ const body: string[] = []
+ let cursor = index + 1
+ while (cursor < all.length && !FENCE_CLOSE.test(all[cursor])) {
+ body.push(all[cursor])
+ cursor++
+ }
+ blocks.push({ type: 'code', lines: body, lang: opening[1] || undefined })
+ index = cursor
+ continue
+ }
+
+ if (!line.trim()) {
+ flush()
+ continue
+ }
+
+ // A table is a header row, a delimiter row, then body rows.
+ const next = all[index + 1]?.trimEnd() ?? ''
+ if (line.includes('|') && isDelimiterRow(next)) {
+ const head = splitRow(line)
+ const align = splitRow(next).map(alignOf)
+ if (align.length === head.length) {
+ flush()
+ const rows: string[][] = []
+ let cursor = index + 2
+ while (cursor < all.length && all[cursor].includes('|') && all[cursor].trim()) {
+ const cells = splitRow(all[cursor])
+ while (cells.length < head.length) cells.push('')
+ rows.push(cells.slice(0, head.length))
+ cursor++
+ }
+ blocks.push({ type: 'table', lines: [], head, rows, align })
+ index = cursor - 1
+ continue
+ }
+ }
+
+ const heading = /^(#{1,4})\s+(.*)$/.exec(line)
+ if (heading) {
+ flush()
+ blocks.push({ type: 'h', level: heading[1].length, lines: [heading[2]] })
+ continue
+ }
+
+ const bullet = /^\s*[-*+]\s+(.*)$/.exec(line)
+ if (bullet) {
+ if (current?.type !== 'ul') {
+ flush()
+ current = { type: 'ul', lines: [] }
+ }
+ current.lines.push(bullet[1])
+ continue
+ }
+
+ const numbered = /^\s*\d+[.)]\s+(.*)$/.exec(line)
+ if (numbered) {
+ if (current?.type !== 'ol') {
+ flush()
+ current = { type: 'ol', lines: [] }
+ }
+ current.lines.push(numbered[1])
+ continue
+ }
+
+ if (current?.type !== 'p') {
+ flush()
+ current = { type: 'p', lines: [] }
+ }
+ current.lines.push(line.trim())
+ }
+
+ flush()
+ return blocks
+}
+
+export function Markdown({ children }: { children: string }) {
+ const blocks = useMemo(() => parseBlocks(children), [children])
+
+ return (
+
+
+ {block.lines.join('\n')}
+
+
+ )
+
+ case 'table': {
+ const align = block.align ?? []
+ const cellAlign = (c: number) =>
+ align[c] === 'center' ? 'text-center' : align[c] === 'end' ? 'text-end' : 'text-start'
+ return (
+ | + {renderInline(cell, `${key}-h${c}`)} + | + ))} +
|---|
| + {renderInline(cell, `${key}-r${r}c${c}`)} + | + ))} +
{renderInline(block.lines.join(' '), key)}
+ } + })} +