Function filterArray

src/util.ts:17–25

(arr: any[], filter: number[])

}

export function filterArray(arr: any[], filter: number[]): any[] {
  const rtn: any[] = [];
  for (let i = 0; i < arr.length; i++) {
    if (filter.indexOf(i) > -1) {
      rtn.push(arr[i]);
    }
  }
  return rtn;
}

export const trimLeft = function trimLeftNative(str: string) {
  return str.trimStart();