Function parseTweakSchema

packages/shared/src/editmode.ts:290–323

(source: string)

}

export function parseTweakSchema(source: string): TweakSchema | null {
  const block = findMarkerBlock(source, 'TWEAK-SCHEMA');
  if (block === null) return null;
  const raw = block.inner.trim();
  if (raw.length === 0) return {};
  let parsed: unknown;
  try {
    parsed = JSON.parse(raw);
  } catch (cause) {
    throw new CodesignError(
      'TWEAK_SCHEMA block contains invalid JSON',
      ERROR_CODES.ARTIFACT_PROTOCOL_INVALID,
      { cause },
    );
  }
  if (!isPlainObject(parsed)) {
    throw new CodesignError(
      'TWEAK_SCHEMA block must contain a JSON object',
      ERROR_CODES.ARTIFACT_PROTOCOL_INVALID,
    );
  }
  const out: TweakSchema = {};
  for (const [key, entry] of Object.entries(parsed)) {
    const validated = validateEntry(entry);
    if (!validated) {
      throw new CodesignError(
        `TWEAK_SCHEMA entry "${key}" is invalid`,
        ERROR_CODES.ARTIFACT_PROTOCOL_INVALID,
      );
    }
    out[key] = validated;
  }
  return out;
}

/**
 * Replace (or insert) the TWEAK_SCHEMA block in `source`.