1 files changed, 70 insertions, 0 deletions
diff --git a/source/js/script.ts b/source/js/script.ts
new file mode 100644
index 0000000..ea07b07
--- /dev/null
+++ b/source/js/script.ts
@@ -0,0 +1,70 @@
+/* Add elements listener */
+window.addEventListener("load", () => {
+
+    // Menubar burgers click listenr
+    const burgers: Element[] = Array.prototype.slice.call(
+        document.querySelectorAll(".navbar-burger"), 0);
+    if (burgers.length > 0) {
+        burgers.forEach((element) => {
+            element.addEventListener("click", () => {
+                const idstr = element.getAttribute("data-target");
+                element.classList.toggle("is-active");
+                if (!idstr) return;
+                const target = document.getElementById(idstr);
+                target?.classList.toggle("is-active");
+            }, false);
+        });
+    }
+
+    // Add header hover page class changer
+    darklistener.add((mode) => {
+        const page = document.getElementById("header-page");
+        if (mode === SystemDarkmodePrefrence.dark) {
+            page?.classList.add("is-dark");
+            page?.classList.remove("is-light");
+        } else {
+            page?.classList.add("is-light");
+            page?.classList.remove("is-dark");
+        }
+    });
+});
+
+/* Darkmode listener */
+enum SystemDarkmodePrefrence {
+    dark = 0,
+    light = 1
+};
+
+class DarkmodeListener {
+    private _mode: SystemDarkmodePrefrence;
+    private _handlers: ((mode: SystemDarkmodePrefrence) => void)[];
+
+    public constructor() {
+        let darking = window.matchMedia('(prefers-color-scheme: dark)').matches;
+        this._mode = darking ? SystemDarkmodePrefrence.dark : SystemDarkmodePrefrence.light;
+        this._handlers = [];
+        this._listen();
+    }
+
+    private _listen(): void {
+        let media = window.matchMedia('(prefers-color-scheme: dark)');
+        let callback = (event: MediaQueryListEvent) => {
+            let mode = event.matches ? SystemDarkmodePrefrence.dark : SystemDarkmodePrefrence.light;
+            this._handlers.forEach(handler => {
+                handler(mode);
+            });
+            this._mode = mode;
+        };
+        media.addEventListener("change", callback);
+    }
+
+    public add(callback: (mode: SystemDarkmodePrefrence) => void): void {
+        this._handlers.push(callback);
+    }
+
+    public mode(): SystemDarkmodePrefrence {
+        return this._mode;
+    }
+};
+
+var darklistener = new DarkmodeListener();