input-search-filter/script.js at master · ashwin1014/input-search-filter · GitHub

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import users from './items.js';


const inputSearch = (function() {

    'use strict'

    let elemIndex = -1;
    let elemSelected;

    document.querySelector('#itemsHolder').addEventListener('click', (e)=> {
        let selectedElement = e.target;
        if(selectedElement.className === "itemsHolder__item") {
             document.querySelector("#userSearch").value = selectedElement.children[1].textContent;
             document.querySelector("#itemsHolder").innerHTML = "";
        } else if(selectedElement.nodeName === 'P') {
             document.querySelector("#userSearch").value = selectedElement.parentElement.children[1].textContent;
             document.querySelector("#itemsHolder").innerHTML = "";
        }
     });

     document.querySelector('.search').addEventListener('submit', (e)=>{
         e.preventDefault();
     });


    document.querySelector("#userSearch").addEventListener('keyup', (e)=> {

         if(e.keyCode < 37 || e.keyCode > 40) {
            let searchedWord = e.target.value.toLowerCase();
            let filteredData = users.filter(({id, name, address, pincode, items})=>{
                return (
                       id.toLowerCase().includes(searchedWord)
                    || name.toLowerCase().includes(searchedWord)
                    || address.toLowerCase().includes(searchedWord)
                    || pincode.toLowerCase().includes(searchedWord)
                    || items.filter(ele=>ele.toLowerCase().includes(searchedWord)).length > 0
                );
            });

            let userHTML = filteredData.map(({id, name, address})=>{
                 return `
                    <div class="itemsHolder__item">
                        <p>${id}</p>
                        <p>${name}</p>
                        <p>${address}</p>
                        <hr/>
                    </div>`;
             });

             if(document.querySelector("#userSearch").value === "")
                document.querySelector("#itemsHolder").innerHTML = "";
             else if(document.querySelector("#userSearch").value !== "" && filteredData.length === 0) {
                document.querySelector("#itemsHolder").innerHTML = '<div class="itemsHolder__item itemsHolder__noData">No items found</div>';
             }
             else {
                document.querySelector("#itemsHolder").innerHTML = userHTML.join('');
                document.querySelectorAll('.itemsHolder__item').forEach(ele=>{
                    ele.addEventListener('mouseover', (e)=>{
                        ele.classList.add('selected');
                    })
                });

                document.querySelectorAll('.itemsHolder__item').forEach(ele=>{
                    ele.addEventListener('mouseout', (e)=>{
                        ele.classList.remove('selected');
                    })
                });
             }
         }


            let nextElem;
            let elemLength = document.querySelectorAll('.itemsHolder__item').length-1;

            switch (e.keyCode) {

                case 13:
                    document.querySelector("#itemsHolder").innerHTML = "";
                    break;

                case 40:
                    elemIndex++;
                    if(elemSelected) {
                        if(elemSelected.classList) elemSelected.classList.remove('selected');
                        nextElem = itemsHolder.querySelectorAll('.itemsHolder__item')[elemIndex];

                        if(typeof nextElem !== undefined && elemIndex <= elemLength) {
                            elemSelected = nextElem;
                        } else {
                            elemIndex = 0;
                            elemSelected = itemsHolder.querySelectorAll('.itemsHolder__item')[0];
                        }

                        if(elemSelected.classList) {
                            elemSelected.classList.add('selected');
                            elemSelected.scrollIntoView({behavior: "smooth"});
                            userSearch.value = document.querySelector('.selected').children[1].textContent;
                        }
                    } else {
                        elemIndex = 0;
                        elemSelected = itemsHolder.querySelectorAll('.itemsHolder__item')[0];
                        if(elemSelected.classList) {
                            elemSelected.classList.add('selected');
                            elemSelected.scrollIntoView({behavior: "smooth"});
                            userSearch.value = document.querySelector('.selected').children[1].textContent;
                        }
                    }
                    break;

                case 38:
                    if(elemSelected) {
                        if(elemSelected.classList) elemSelected.classList.remove('selected');
                        elemIndex--;
                        nextElem = itemsHolder.querySelectorAll('.itemsHolder__item')[elemIndex];
                        if(typeof nextElem !== undefined && elemIndex >=0){
                            elemSelected = nextElem;
                        } else {
                            elemIndex = elemLength;
                            elemSelected = itemsHolder.querySelectorAll('.itemsHolder__item')[0];
                        }
                        if(elemSelected.classList) {
                            elemSelected.classList.add('selected');
                            elemSelected.scrollIntoView({behavior: "smooth"});
                            userSearch.value = document.querySelector('.selected').children[1].textContent;
                        }
                    } else {
                        elemIndex = 0;
                        elemSelected = itemsHolder.querySelectorAll('.itemsHolder__item')[len];
                        if(elemSelected.classList) {
                            elemSelected.classList.add('selected');
                            elemSelected.scrollIntoView({behavior: "smooth"});
                            userSearch.value = document.querySelector('.selected').children[1].textContent;
                        }
                    }
                     break;


                default:
                    break;
            }

    });

})();