table-filter-multiselect/src/lib/sort.js

## Install You need to have react and react-dom as dependencies in your project.

'use strict'

import {
	isUndefined,
	isTypeString,
	getValForKey
} from './util';

/**
 * [Function to sort an array (asc or dsc) w.r.t to an filter]
 * @param  {Array}   inputArray            [Array to be sorted]
 * @param  {String}  type                  [asc or dsc]
 * @param  {Function}  options.valueFunc     [Function to calculate value of an item(optional)]
 * @param  {Boolean} options.caseSensitive [Whether case sensitive or not]
 * @param  {String}  options.key           [Filter Key]
 * @return {Array}                        [Sorted array]
 */
export const sortAction = (inputArray=[], type=undefined, {valueFunc=undefined, caseSensitive=false, key=undefined} ={}) => {
	if(!isUndefined(type)){
		let inputCopy = [...inputArray];

		const sortFunc = (a, b) => {
			let aValue, bValue;

			if(!isUndefined(key)){
				aValue = getValForKey(a, key);
				bValue = getValForKey(b, key);
			}else{
				aValue = a;
				bValue = b;
			}

			if(!isUndefined(valueFunc)){
				aValue = valueFunc(aValue);
				bValue = valueFunc(bValue);
			}else{
				if(!isNaN(Number(aValue)) &&  !isNaN(Number(bValue))){
					aValue = Number(aValue);
					bValue = Number(bValue);
				}

				if(isTypeString(aValue)){
					aValue = aValue.trim();
					if(!caseSensitive){
						aValue = aValue.toUpperCase();
					}
				}

				if(isTypeString(bValue)){
					bValue = bValue.trim();
					if(!caseSensitive){
						bValue = bValue.toUpperCase();
					}
				}
			}

			if(isUndefined(aValue)){
				aValue = '';
			}
			
			if(isUndefined(bValue)){
				bValue = '';
			}

			let result = 0;

			if(aValue < bValue){
				result = -1;
			}else{
				result = 1;
			}

			if(type === 'asc'){
				return result;
			}else{
				return -(result);
			}
		}

		return inputCopy.sort(sortFunc);
		
	}
	return inputArray;
}

export default sortAction