react-select-search-nextjs/dist/esm/lib/getOptions.js

Lightweight select component for React with support for NextJS

import valueToArray from './valuteToArray';
import getOption from './getOption';
export default function getOptions(value, oldValue, options, multiple) {
  if (!multiple) {
    const newOption = getOption(value, options);

    if (newOption) {
      return newOption;
    }

    return oldValue;
  }

  const oldOptions = valueToArray(oldValue);
  const newOptions = valueToArray(value).map(o => getOption(o, options)).filter(o => o !== null && o !== undefined);

  if (!oldOptions.length) {
    return newOptions;
  }

  if (!newOptions.length) {
    return oldOptions;
  }

  newOptions.forEach(newOption => {
    const optionIndex = oldOptions.findIndex(o => o.value == newOption.value);

    if (optionIndex >= 0) {
      oldOptions.splice(optionIndex, 1);
    } else {
      oldOptions.push(newOption);
    }
  });
  return oldOptions;
}