@xwordly/xword-parser/dist/chunk-Q5B2K4C6.mjs.map

Fast, type-safe TypeScript library for parsing crossword puzzles (PUZ, iPUZ, JPZ, XD)

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type FormatType = 'ipuz' | 'puz' | 'jpz' | 'xd' | 'unknown';\n\nexport interface FormatHint {\n  format: FormatType;\n  confidence: 'high' | 'medium' | 'low';\n}\n\nexport function detectFormatFromContent(content: string | Buffer, filename?: string): FormatHint[] {\n  const hints: FormatHint[] = [];\n\n  // Check filename extension first\n  if (filename) {\n    const ext = filename.split('.').pop()?.toLowerCase();\n    if (ext === 'puz') {\n      hints.push({ format: 'puz', confidence: 'high' });\n    } else if (ext === 'ipuz') {\n      hints.push({ format: 'ipuz', confidence: 'high' });\n    } else if (ext === 'jpz') {\n      hints.push({ format: 'jpz', confidence: 'high' });\n    } else if (ext === 'xd') {\n      hints.push({ format: 'xd', confidence: 'high' });\n    }\n  }\n\n  // Content-based detection\n  if (typeof content === 'string') {\n    const trimmed = content.trim();\n\n    // iPUZ detection\n    if (\n      trimmed.startsWith('ipuz({') ||\n      (trimmed.startsWith('{') && trimmed.includes('\"version\"'))\n    ) {\n      if (!hints.some((h) => h.format === 'ipuz')) {\n        hints.push({ format: 'ipuz', confidence: 'high' });\n      }\n    }\n\n    // JPZ detection (XML)\n    if (\n      content.includes('<?xml') ||\n      content.includes('<crossword') ||\n      content.includes('<puzzle')\n    ) {\n      if (!hints.some((h) => h.format === 'jpz')) {\n        hints.push({ format: 'jpz', confidence: 'high' });\n      }\n    }\n\n    // XD detection\n    const lines = content.split('\\n');\n    const hasXdHeaders = lines.some((line) =>\n      /^(Title|Author|Editor|Copyright|Date|Rebus|Notepad|Notes?):/i.test(line),\n    );\n    if (hasXdHeaders) {\n      if (!hints.some((h) => h.format === 'xd')) {\n        hints.push({ format: 'xd', confidence: 'high' });\n      }\n    }\n  } else {\n    // Binary content - likely PUZ\n    if (!hints.some((h) => h.format === 'puz')) {\n      hints.push({ format: 'puz', confidence: 'medium' });\n    }\n\n    // But could also be text encoded as Buffer\n    const textContent = content.toString('utf-8');\n    const trimmed = textContent.trim();\n\n    if (\n      trimmed.startsWith('ipuz({') ||\n      (trimmed.startsWith('{') && trimmed.includes('\"version\"'))\n    ) {\n      if (!hints.some((h) => h.format === 'ipuz')) {\n        hints.push({ format: 'ipuz', confidence: 'medium' });\n      }\n    }\n\n    if (\n      textContent.includes('<?xml') ||\n      textContent.includes('<crossword') ||\n      textContent.includes('<puzzle')\n    ) {\n      if (!hints.some((h) => h.format === 'jpz')) {\n        hints.push({ format: 'jpz', confidence: 'medium' });\n      }\n    }\n\n    const lines = textContent.split('\\n');\n    const hasXdHeaders = lines.some((line) =>\n      /^(Title|Author|Editor|Copyright|Date|Rebus|Notepad|Notes?):/i.test(line),\n    );\n    if (hasXdHeaders) {\n      if (!hints.some((h) => h.format === 'xd')) {\n        hints.push({ format: 'xd', confidence: 'medium' });\n      }\n    }\n  }\n\n  // Sort by confidence (high first)\n  hints.sort((a, b) => {\n    const confidenceOrder = { high: 0, medium: 1, low: 2 };\n    return confidenceOrder[a.confidence] - confidenceOrder[b.confidence];\n  });\n\n  return hints;\n}\n\nexport function getOrderedFormatsToTry(content: string | Buffer, filename?: string): FormatType[] {\n  const hints = detectFormatFromContent(content, filename);\n  const formats: FormatType[] = [];\n\n  // Add hinted formats first\n  for (const hint of hints) {\n    if (!formats.includes(hint.format)) {\n      formats.push(hint.format);\n    }\n  }\n\n  // Add remaining formats\n  const allFormats: FormatType[] = ['ipuz', 'puz', 'jpz', 'xd'];\n  for (const format of allFormats) {\n    if (!formats.includes(format)) {\n      formats.push(format);\n    }\n  }\n\n  return formats;\n}\n"]}