Add typing for field

field/field.d.ts

@@ -0,0 +1,9 @@
+// Type definitions for field 1.0.1
+// Project: https://www.npmjs.com/package/field
+// Definitions by: Leo Liang <https://github.com/aleung/DefinitelyTyped>
+// Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+
+declare module field {
+    export function get(topObj: any, fields: string): any;
+    export function set(topObj: any, fields: string, value: any): any;
+}