Function deleteData

ui/src/protocol/path-resolver.ts:371–434

(data: DataMap, path: string)

 * @returns 是否删除成功
 */
export function deleteData(data: DataMap, path: string): boolean {
  if (!isValidJsonPointer(path) || path === '') {
    return false;
  }

  const tokens = parseJsonPointer(path);
  if (tokens.length === 0) {
    return false;
  }

  // 遍历到父节点
  let current: DataValue | undefined = data;
  const parentTokens = tokens.slice(0, -1);
  const lastToken = tokens[tokens.length - 1]!;

  for (const token of parentTokens) {
    if (current === null || current === undefined) {
      return false;
    }

    if (Array.isArray(current)) {
      const index = parseInt(token, 10);
      if (isNaN(index) || index < 0 || index >= current.length) {
        return false;
      }
      current = current[index] as DataValue | undefined;
    }
    else if (typeof current === 'object') {
      const obj = current as DataMap;
      if (!(token in obj)) {
        return false;
      }
      current = obj[token];
    }
    else {
      return false;
    }
  }

  // 删除值
  if (current === null || current === undefined) {
    return false;
  }

  if (Array.isArray(current)) {
    const index = parseInt(lastToken, 10);
    if (isNaN(index) || index < 0 || index >= current.length) {
      return false;
    }
    current.splice(index, 1);
    return true;
  }

  if (typeof current === 'object') {
    const obj = current as DataMap;
    if (!(lastToken in obj)) {
      return false;
    }