fix: remove messages 'Using strings as events are deprecated'

src/libs/grafana/events/appEvents.ts

@@ -0,0 +1,4 @@
+export interface AppEvent<T> {
+    readonly name: string;
+    payload?: T;
+}

src/libs/grafana/events/events.ts

@@ -0,0 +1,16 @@
+import {AppEvent} from './appEvents';
+
+export interface GraphHoverPayload {
+    pos: any;
+    panel: {
+        id: number;
+    };
+}
+
+export var graphHover:(AppEvent<GraphHoverPayload>|string) = {name: 'graph-hover'};
+export var graphHoverClear:(AppEvent<any>|string) = {name: 'graph-hover-clear'};
+
+export function fallbackToStringEvents() {
+    graphHover = 'graph-hover';
+    graphHoverClear = 'graph-hover-clear';
+}

src/libs/grafana/events/index.ts

@@ -0,0 +1,3 @@
+import * as CoreEvents from './events';
+import * as PanelEvents from './panelEvents';
+export { CoreEvents, PanelEvents }

src/libs/grafana/events/panelEvents.ts

@@ -0,0 +1,29 @@
+import { AppEvent } from './appEvents';
+
+export interface DataQueryError {
+    data?: {
+        message?: string;
+        error?: string;
+    };
+    message?: string;
+    status?: string;
+    statusText?: string;
+    refId?: string;
+    cancelled?: boolean;
+}
+
+export var refresh:(AppEvent<undefined>|string) = {name: 'refresh'};
+export var render:(AppEvent<any>|string) = {name: 'render'};
+export var dataError:(AppEvent<DataQueryError>|string) = {name: 'data-error'};
+export var dataReceived:(AppEvent<any[]>|string) = {name: 'data-received'};
+export var dataSnapshotLoad:(AppEvent<any[]>|string) = {name: 'data-snapshot-load'};
+export var editModeInitialized:(AppEvent<undefined>|string) = {name: 'init-edit-mode'};
+
+export function fallbackToStringEvents() {
+    refresh = 'refresh';
+    render = 'render';
+    dataError = 'data-error';
+    dataReceived = 'data-received';
+    dataSnapshotLoad = 'data-snapshot-load';
+    editModeInitialized = 'init-edit-mode';
+}