private _checkAndConvertToArray()

in src/providers/database.ts [575:611]

• 34 lines of code
• 10 McCabe index (conditional complexity)

  private _checkAndConvertToArray(node: any): any {
    if (node === null || typeof node === 'undefined') {
      return null;
    }
    if (typeof node !== 'object') {
      return node;
    }
    const obj: any = {};
    let numKeys = 0;
    let maxKey = 0;
    let allIntegerKeys = true;
    for (const key in node) {
      if (!node.hasOwnProperty(key)) {
        continue;
      }
      const childNode = node[key];
      obj[key] = this._checkAndConvertToArray(childNode);
      numKeys++;
      const integerRegExp = /^(0|[1-9]\d*)$/;
      if (allIntegerKeys && integerRegExp.test(key)) {
        maxKey = Math.max(maxKey, Number(key));
      } else {
        allIntegerKeys = false;
      }
    }

    if (allIntegerKeys && maxKey < 2 * numKeys) {
      // convert to array.
      const array: any = [];
      _.forOwn(obj, (val, key) => {
        array[key] = val;
      });

      return array;
    }
    return obj;
  }