Function parseEditmodeBlock

packages/shared/src/editmode.ts:85–117

(source: string)

}

export function parseEditmodeBlock(source: string): EditmodeBlock | null {
  const block = findMarkerBlock(source, 'EDITMODE');
  if (block === null) return null;
  const raw = block.inner.trim();
  if (raw.length === 0) return { tokens: {}, raw, source: 'marked' };
  let parsed: unknown;
  try {
    parsed = JSON.parse(raw) as unknown;
  } catch (cause) {
    throw new CodesignError(
      'EDITMODE block contains invalid JSON',
      ERROR_CODES.ARTIFACT_PROTOCOL_INVALID,
      {
        cause,
      },
    );
  }
  if (parsed === null || typeof parsed !== 'object' || Array.isArray(parsed)) {
    throw new CodesignError(
      'EDITMODE block must contain a JSON object',
      ERROR_CODES.ARTIFACT_PROTOCOL_INVALID,
    );
  }
  for (const [key, value] of Object.entries(parsed)) {
    if (typeof value !== 'string' && typeof value !== 'number' && typeof value !== 'boolean') {
      throw new CodesignError(
        `EDITMODE token "${key}" must be a string, number, or boolean`,
        ERROR_CODES.ARTIFACT_PROTOCOL_INVALID,
      );
    }
  }
  return { tokens: parsed as EditmodeTokens, raw, source: 'marked' };
}

export function replaceEditmodeBlock(source: string, newTokens: EditmodeTokens): string {
  const json = JSON.stringify(newTokens, null, 2);