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1234567891011121314151617181920212223242526272829303132export function parseBasicFrontmatter(fileContent: string): Record<string, unknown> { const match = fileContent.match(/^---[ \t]*\n([\s\S]*?)\n---[ \t]*(?:\n|$)/) if (!match?.[1]) return {}
return match[1].split('\n').reduce<Record<string, unknown>>((acc, line) => { const idx = line.indexOf(':') if (idx === -1) return acc
const key = line.slice(0, idx).trim()
// Remove surrounding quotes let value = line .slice(idx + 1) .trim() .replace(/^["']|["']$/g, '')
// Type coercion (handles 123, 45.6, boolean, arrays) if (value === 'true') acc[key] = true else if (value === 'false') acc[key] = false else if (/^-?\d+$/.test(value)) acc[key] = parseInt(value, 10) else if (/^-?\d+\.\d+$/.test(value)) acc[key] = parseFloat(value) else if (value.startsWith('[') && value.endsWith(']')) { acc[key] = value .slice(1, -1) .split(',') .map(s => s.trim().replace(/^["']|["']$/g, '')) } else acc[key] = value
return acc }, {})}