Function parseKenmeiExport

Source

export function parseKenmeiExport(
  fileContent: string,
  options: Partial<KenmeiParseOptions> = {},
): KenmeiExport {
  return withGroup(`[KenmeiParser] Parse JSON Export`, () => {
    const parseOptions = { ...DEFAULT_PARSE_OPTIONS, ...options };
    try {
      const rawData = JSON.parse(fileContent);

      const rawDataObj = rawData as Record<string, unknown>;
      const data = {
        exportDate: pickString(rawDataObj, "export_date", "exportDate") ?? "",
        user:
          typeof rawDataObj.user === "object" && rawDataObj.user !== null
            ? (rawDataObj.user as Record<string, unknown>)
            : undefined,
        manga: Array.isArray(rawDataObj.manga)
          ? (rawDataObj.manga as unknown[]).map((m: unknown) =>
              mapJsonToKenmeiManga(m),
            )
          : [],
      };

      if (!parseOptions.validateStructure) return data as KenmeiExport;

      // Quick shape check
      if (!data?.manga || !Array.isArray(data.manga)) {
        throw new Error(
          "Invalid Kenmei export: missing or invalid manga array",
        );
      }

      // Validate and normalize each manga entry (basic shape checks)
      validateAndNormalizePartialMangaArray(data.manga, parseOptions);

      return data as KenmeiExport;
    } catch (error) {
      if (error instanceof SyntaxError)
        throw new Error("Invalid JSON format in export file");
      throw error;
    }
  });
}
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