medfreeman/30-seconds-of-code.d.ts

Created September 4, 2019 16:06

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medfreeman created this gist Sep 4, 2019.

30-seconds-of-code.d.ts

-Original file line number
+Diff line change
@@ -0,0 +1,6 @@
+    declare module '30-seconds-of-code' {
+      // tslint:disable-next-line: no-any
+      export function isEmpty<T extends any, P extends string>(
+        value: T
+      ): T extends object ? (P extends keyof T ? false : true) : T extends string ? boolean : true;
+    }