src/components/controls/InputSelect/utils.js

import { findIndex, isEmpty } from 'lodash';

export const inArray = (array = [], item = {}) => {
  return array.some(arrayItem => arrayItem.id === item.id);
};

export const groupData = (data, groupFieldId) =>
  data.reduce((r, a) => {
    r[a[groupFieldId]] = r[a[groupFieldId]] || [];
    r[a[groupFieldId]].push(a);
    return r;
  }, {});

export const isDisabled = (item, selected, disabled) =>
  inArray(disabled, item) || inArray(selected, item);

const getNextNotDisabledId = (
  data,
  selected,
  disabled,
  initialId,
  distance,
  valueFieldId
) => {
  let index = findIndex(data, item => item[valueFieldId] === initialId);
  while (
    data[index + distance] &&
    isDisabled(data[index + distance], selected, disabled)
  ) {
    index += distance;
  }
  if (!data[index + distance]) return initialId;
  return data[index + distance][valueFieldId];
};

const getIdByDistance = (
  data,
  currentId,
  distance,
  valueFieldId,
  selected,
  disabled
) => {
  if (isEmpty(data)) return;
  const id = currentId ? currentId : data[0][valueFieldId];
  return getNextNotDisabledId(
    data,
    selected,
    disabled,
    id,
    distance,
    valueFieldId
  );
};

export const getFirstNotDisabledId = (
  data,
  selected,
  disabled,
  valueFieldId
) => {
  if (isEmpty(data)) return;
  if (!isDisabled(data[0], selected, disabled)) return data[0][valueFieldId];
  return getNextNotDisabledId(
    data,
    selected,
    disabled,
    data[0][valueFieldId],
    1,
    valueFieldId
  );
};

export const getNextId = (data, currentId, valueFieldId, selected, disabled) =>
  getIdByDistance(data, currentId, 1, valueFieldId, selected, disabled);

export const getPrevId = (data, currentId, valueFieldId, selected, disabled) =>
  getIdByDistance(data, currentId, -1, valueFieldId, selected, disabled);