Function parseJsonPath

packages/shell/src/extras.ts:220–248

(query: string)

    };

function parseJsonPath(query: string): PathToken[] {
  const trimmed = query.trim();
  if (!trimmed || trimmed === ".") {
    return [];
  }
  let cursor = trimmed.startsWith(".") ? trimmed.slice(1) : trimmed;
  const tokens: PathToken[] = [];
  while (cursor.length > 0) {
    if (cursor[0] === "[") {
      const close = cursor.indexOf("]");
      if (close === -1) {
        throw new Error(`Invalid JSON path: ${query}`);
      }
      tokens.push(Number(cursor.slice(1, close)));
      cursor = cursor.slice(close + 1);
      if (cursor.startsWith(".")) cursor = cursor.slice(1);
      continue;
    }
    const dot = cursor.search(/[.[\]]/);
    if (dot === -1) {
      tokens.push(cursor);
      break;
    }
    tokens.push(cursor.slice(0, dot));
    cursor = cursor.slice(dot);
    if (cursor.startsWith(".")) cursor = cursor.slice(1);
  }
  return tokens.filter((token) => token !== "");
}

function setJsonPathValue(
  root: unknown,