feat(fio): add accessP() operator

tusharmath · Sep 19, 2019 · eab4d95 · eab4d95
1 parent 73ee0f2
commit eab4d95
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/src/main/FIO.ts b/src/main/FIO.ts
@@ -130,6 +130,15 @@ export class FIO<E1 = unknown, A1 = unknown, R1 = NoEnv> {
     return FIO.flatten(FIO.access(cb))
   }
 
+  /**
+   * Creates a new FIO instance with the provided environment by invoking a promise returning function.
+   */
+  public static accessP<A1, R1>(
+    cb: (R: R1) => Promise<A1>
+  ): FIO<Error, A1, R1> {
+    return FIO.env<R1>().chain(FIO.encaseP(cb))
+  }
+
   /**
    * Converts a [[FIO]] of a function into a [[FIO]] of a value.
    */