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act only if results are available

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Aditya Telange
2020-12-16 23:24:00 +05:30
parent c6fd63b153
commit 07008ea5e3
1 changed files with 5 additions and 3 deletions
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8
assets/js/fastsearch.js
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@@ -2,6 +2,7 @@ var fuse; // holds our search engine
var resList = document.getElementById('searchResults'); var resList = document.getElementById('searchResults');
var sInput = document.getElementById('searchInput'); var sInput = document.getElementById('searchInput');
var first, last = null var first, last = null
var resultsAvailable = false;
// load our search index, only executed onload // load our search index, only executed onload
function loadSearch() { function loadSearch() {
@@ -42,7 +43,7 @@ function loadSearch() {
// kb bindings // kb bindings
document.onkeydown = function (e) { document.onkeydown = function (e) {
let key = e.key; let key = e.key;
if (key === "ArrowDown") { if (key === "ArrowDown" && resultsAvailable) {
e.preventDefault(); e.preventDefault();
if (document.activeElement == sInput) { if (document.activeElement == sInput) {
resList.firstChild.lastChild.focus(); resList.firstChild.lastChild.focus();
@@ -50,7 +51,7 @@ document.onkeydown = function (e) {
} else { } else {
document.activeElement.parentElement.nextSibling.lastChild.focus(); document.activeElement.parentElement.nextSibling.lastChild.focus();
} }
} else if (key === "ArrowUp") { } else if (key === "ArrowUp" && resultsAvailable) {
e.preventDefault(); e.preventDefault();
if (document.activeElement == sInput) { if (document.activeElement == sInput) {
} else if (document.activeElement.parentElement == first) { } else if (document.activeElement.parentElement == first) {
@@ -77,10 +78,11 @@ document.getElementById("searchInput").onkeyup = function (e) {
} }
document.getElementById("searchResults").innerHTML = resultSet; document.getElementById("searchResults").innerHTML = resultSet;
resultsAvailable = true;
first = resList.firstChild; first = resList.firstChild;
last = resList.lastChild; last = resList.lastChild;
} else { } else {
resultsAvailable = false;
document.getElementById("searchResults").innerHTML = ''; document.getElementById("searchResults").innerHTML = '';
} }
} }