Add typing for browser.js

src/scripts/browser.d.ts

@@ -0,0 +1,45 @@
+export default browser;
+/**
+ * Browser detection utility.
+ */
+declare namespace browser {
+    import version = version;
+    export { version };
+    import versionMajor = versionMajor;
+    export { versionMajor };
+    export let edge: boolean;
+    export let edgeChromium: boolean;
+    export let firefox: boolean;
+    export let safari: boolean;
+    export let osx: boolean;
+    export let ipad: boolean;
+    export let ps4: boolean;
+    export let tv: boolean;
+    export let mobile: boolean;
+    export let xboxOne: boolean;
+    export let animate: boolean;
+    export let hisense: boolean;
+    export let tizen: boolean;
+    export let vidaa: boolean;
+    export let web0s: boolean;
+    export let edgeUwp: boolean;
+    export let web0sVersion: number | undefined;
+    export let tizenVersion: number | undefined;
+    export let orsay: boolean;
+    export let operaTv: boolean;
+    export let slow: boolean;
+    export let touch: boolean;
+    export let keyboard: boolean;
+    export { supportsCssAnimation };
+    export let iOS: boolean;
+    export let iOSVersion: number | undefined;
+}
+
+declare namespace matched {
+    export { browser };
+    export { version };
+    export let platform: string;
+    export { versionMajor };
+}
+
+declare function supportsCssAnimation(allowPrefix: any): any;