overscroll/es/index.js

scroll

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

import compose from './utils/compose';
import getScope from './scope';
import init from './init';

function OverScroll(scope) {
  var mode = scope.mode,
      animation = scope.animation,
      initialPosition = scope.position,
      onDestroy = scope.onDestroy,
      onInit = scope.onInit;

  var _animation$run = animation.run(),
      scrollTo = _animation$run.scrollTo,
      position = _animation$run.position,
      scrollToSection = _animation$run.scrollToSection;

  if (mode === 'scroll') {
    scrollTo.apply(undefined, _toConsumableArray(initialPosition).concat([true]));
  }

  if (mode === 'section') {
    scrollToSection(initialPosition, true);
  }

  // 初始化事件
  onInit();

  return {
    position: position,
    scrollTo: mode === 'scroll' ? scrollTo : scrollToSection,
    destroy: onDestroy
  };
}

export default compose(OverScroll, init, getScope);