Function parseFrontmatter

src/skills/loader.ts:149–178

Minimal YAML-ish parser. Same shape as custom-commands.ts for consistency.

(fm: string)

/** Minimal YAML-ish parser. Same shape as custom-commands.ts for consistency. */
function parseFrontmatter(fm: string): Record<string, string | string[]> {
  const out: Record<string, string | string[]> = {};
  const lines = fm.split('\n');
  let i = 0;
  while (i < lines.length) {
    const line = lines[i]!;
    if (/^\s*(#.*)?$/.test(line)) { i++; continue; }
    const m = line.match(/^([a-zA-Z][\w-]*)\s*:\s*(.*)$/);
    if (!m) { i++; continue; }
    const key = m[1]!.toLowerCase();
    const rawValue = m[2]!.trim();

    if (rawValue === '') {
      const items: string[] = [];
      i++;
      while (i < lines.length && /^\s+-\s+/.test(lines[i]!)) {
        items.push(stripQuotes(lines[i]!.replace(/^\s+-\s+/, '').trim()));
        i++;
      }
      out[key] = items;
    } else if (rawValue.startsWith('[') && rawValue.endsWith(']')) {
      out[key] = rawValue.slice(1, -1).split(',').map(s => stripQuotes(s.trim())).filter(Boolean);
      i++;
    } else {
      out[key] = stripQuotes(rawValue);
      i++;
    }
  }
  return out;
}

function asStringArray(v: unknown): string[] | undefined {
  if (!v) return undefined;