cheat-sheet: Allow direct url to search result

Will be used by the Wiki for example to show the glyph-sets.

Signed-off-by: Fini Jastrow <[email protected]>

cheat-sheet.js

@@ -4,6 +4,23 @@ document.addEventListener('DOMContentLoaded', function () {
     const elementGlyphCheatSheet = document.getElementById('glyphCheatSheet');
     const maxSearchResults = 250;
 
+    // Find the value of one query string
+    function querySt(ji) {
+        const hu = window.location.search.substring(1);
+        const gy = hu.split('&');
+        for (i = 0; i < gy.length; i++) {
+            ft = gy[i].split('=');
+            if (ft[0] == ji) {
+                return ft[1];
+            }
+        }
+    }
+    // Jump to search for provided query key, e.g. https://www.nerdfonts.com/cheat-sheet?q=cpu
+    const fieldName = querySt('q');
+    if (fieldName != null) {
+        elementGlyphSearch.value = fieldName;
+    }
+
     // Storage for not-yet-rendered search results. More results will are rendered when scrolled to the bottom.
     let remainingSearchResults = [];