chat: wip rework as chat2

resources/[gameplay]/chat/html/utils.ts

@@ -0,0 +1,31 @@
+export function post(url: string, data: any) {
+    var request = new XMLHttpRequest();
+    request.open('POST', url, true);
+    request.setRequestHeader('Content-Type', 'application/json; charset=UTF-8');
+    request.send(data);
+}
+
+function emulate(type: string, detail = {}) {
+    const detailRef = {
+        type,
+        ...detail
+    };
+
+    window.dispatchEvent(new CustomEvent('message', {
+        detail: detailRef
+    }));
+}
+
+(window as any)['emulate'] = emulate;
+
+(window as any)['demo'] = () => {
+    emulate('ON_MESSAGE', {
+        message: {
+            args: [ 'me', 'hello!' ]
+        }
+    })
+
+    emulate('ON_SCREEN_STATE_CHANGE', {
+        shouldHide: false
+    });
+};