Create type definitions for native-toast@2.0 (#28855)

* create type definitions for native-toast@2.0

* fix lint / write as external module

types/native-toast/index.d.ts

@@ -0,0 +1,34 @@
+// Type definitions for native-toast 2.0
+// Project: https://github.com/egoist/native-toast
+// Definitions by: Michael Nahkies <https://github.com/mnahkies>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare const toast: {
+    (options: ToastOptions): Toast,
+    success: (options: ToastOptions) => Toast,
+    warning: (options: ToastOptions) => Toast,
+    info: (options: ToastOptions) => Toast,
+    error: (options: ToastOptions) => Toast,
+};
+
+export default toast;
+
+export interface ToastOptions {
+    message?: string;
+    position?: "center" | "west" | "east" | "south" | "south-west" | "south-east" | "north" | "north-west" | "north-east";
+    timeout?: number;
+    el?: HTMLElement;
+    rounded?: boolean;
+    type?: "success" | "warning" | "info" | "error";
+    debug?: boolean;
+    edge?: boolean;
+    icon?: boolean;
+    closeOnClick?: boolean;
+    elements?: HTMLElement[];
+}
+
+export interface Toast {
+    show(): void;
+    hide(): void;
+    destroy(): void;
+}

types/native-toast/native-toast-tests.ts

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+import toast, { Toast, ToastOptions } from "native-toast";
+
+let t: Toast;
+
+t = toast({
+  message: "Team created",
+  position: "north-east",
+  timeout: 5000,
+  type: "success",
+});
+
+t.hide();
+t.show();
+
+const o: ToastOptions = {
+  message: "test",
+  position: "west"
+};
+
+toast.success(o);

types/native-toast/tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "commonjs",
+        "lib": [
+            "dom",
+            "es6"
+        ],
+        "noImplicitAny": true,
+        "noImplicitThis": true,
+        "strictNullChecks": true,
+        "strictFunctionTypes": true,
+        "baseUrl": "../",
+        "typeRoots": [
+            "../"
+        ],
+        "types": [],
+        "noEmit": true,
+        "forceConsistentCasingInFileNames": true
+    },
+    "files": [
+        "index.d.ts",
+        "native-toast-tests.ts"
+    ]
+}

types/native-toast/tslint.json

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+{ "extends": "dtslint/dt.json" }