Function offsetChangedValue

src/hooks/useOffset.ts:174–186

(
    values: number[],
    offset: number,
    valueIndex: number,
    mode: OffsetMode = 'unit',
  )

  /** Same as `offsetValue` but return `changed` mark to tell value changed */
  const offsetChangedValue = (
    values: number[],
    offset: number,
    valueIndex: number,
    mode: OffsetMode = 'unit',
  ) => {
    const originValue = values[valueIndex];
    const nextValue = offsetValue(values, offset, valueIndex, mode);
    return {
      value: nextValue,
      changed: nextValue !== originValue,
    };
  };

  const needPush = (dist: number) => {
    return (pushable === null && dist === 0) || (typeof pushable === 'number' && dist < pushable);