Function each

src/helpers/helpers.core.ts:134–159

(
  loopable: T[] | Record<string, T>,
  fn: (this: TA, v: T, i: any) => void,
  thisArg?: TA,
  reverse?: boolean
)

  reverse?: boolean
): void;
export function each<T, TA>(
  loopable: T[] | Record<string, T>,
  fn: (this: TA, v: T, i: any) => void,
  thisArg?: TA,
  reverse?: boolean
) {
  let i: number, len: number, keys: string[];
  if (isArray(loopable)) {
    len = loopable.length;
    if (reverse) {
      for (i = len - 1; i >= 0; i--) {
        fn.call(thisArg, loopable[i], i);
      }
    } else {
      for (i = 0; i < len; i++) {
        fn.call(thisArg, loopable[i], i);
      }
    }
  } else if (isObject(loopable)) {
    keys = Object.keys(loopable);
    len = keys.length;
    for (i = 0; i < len; i++) {
      fn.call(thisArg, loopable[keys[i]], keys[i]);
    }
  }
}

/**
 * Returns true if the `a0` and `a1` arrays have the same content, else returns false.