scrollToItem()

in js/index.js [578:598]

• 20 lines of code
• 7 McCabe index (conditional complexity)

  scrollToItem(...args) {
    if (!this.$topFiller || !this.$bottomFiller) {
      throw new Error('Cannot scroll before the view is rendered');
    }
    let index = 0;
    let position = 'default';
    let callback = _.noop;

    if (args.length >= 3) {
      [index, position, callback] = args;
    } else if (args.length === 2) {
      if (_.isFunction(args[1])) {
        [index, callback] = args;
      } else {
        [index, position] = args;
      }
    } else if (args.length === 1) {
      index = args[0];
    }
    this._scrollToItem(index, position, callback);
  }