Fix Commit history

TFR/server/static/js/search.js

@@ -0,0 +1,88 @@
+function showHint() {
+    let search = document.querySelector('.search > input');
+    let searchPos = search.getBoundingClientRect();
+    let hint = document.querySelector('.search-hint');
+
+    hint.style.width = search.offsetWidth + 'px';
+    hint.style.left = searchPos.left + 'px';
+    hint.style.top = searchPos.bottom + 'px';
+
+    hint.style.display = 'flex';
+}
+
+
+function hideHint() {
+    let hint = document.querySelector('.search-hint');
+    hint.style.display = 'none';
+}
+
+
+function updateHint() {
+    let search = document.querySelector('.search > input');
+    let searchPos = search.getBoundingClientRect();
+    let hint = document.querySelector('.search-hint');
+
+    hint.style.width = search.offsetWidth + 'px';
+    hint.style.left = searchPos.left + 'px';
+    hint.style.top = searchPos.bottom + 'px';
+}
+
+
+function getSearch() {
+    let search = document.querySelector('.search > input').value;
+    let hint = document.querySelector('.search-hint');
+
+    if (search.length === 0) {
+        hint.innerHTML = '<p>Start typing to see results...</p>';
+        return;
+    }
+
+    fetch('/api/users?search=' + search.toString(), {
+        method: 'GET',
+    })
+    .then(response => response.json())
+    .then(data => {
+        if (data.length === 0) {
+            hint.innerHTML = '<p>No results found...</p>';
+            return;
+        }
+
+        hint.innerHTML = '';
+
+        data.forEach(user => {
+            let el = document.createElement('button');
+            el.innerHTML = user;
+            el.onmousedown = function (event) {
+                event.preventDefault();
+                search = document.querySelector('.search > input');
+                search.value = user.toString();
+            }
+            hint.appendChild(el);
+        });
+    })
+    .catch(() => {
+        hint.innerHTML = '<p>Something went wrong...</p>';
+    });
+}
+
+
+window.onload = () => {
+    let typingTimer;
+    let search = document.querySelector('.search > input');
+
+    if (search === null) {
+        return;
+    }
+
+    window.addEventListener('resize', updateHint);
+
+    search.addEventListener('focus', showHint);
+    search.addEventListener('blur', hideHint);
+    search.addEventListener('keydown', () => {
+        clearTimeout(typingTimer);
+    });
+    search.addEventListener('keyup', () => {
+        clearTimeout(typingTimer);
+        typingTimer = setTimeout(getSearch, 250);
+    });
+}