BREAKING CHANGE: remove partial application feature of applyEach (#1640)

* BREAKING CHANGE: remove partial application feature of applyEach

* add awaitable tests for applyEach

1 files changed, 5 insertions, 8 deletions

diff --git a/lib/internal/applyEach.js b/lib/internal/applyEach.js
index f95d8ac..c08a5eb 100644
--- a/lib/internal/applyEach.js
+++ b/lib/internal/applyEach.js
@@ -1,17 +1,14 @@
-import initialParams from './initialParams';
 import wrapAsync from './wrapAsync';
+import awaitify from './awaitify'
 
-export default function applyEach(eachfn) {
-    return function(fns, ...callArgs) {
-        var go = initialParams(function(args, callback) {
+export default function (eachfn) {
+    return function applyEach(fns, ...callArgs) {
+        const go = awaitify(function (callback) {
             var that = this;
             return eachfn(fns, (fn, cb) => {
-                wrapAsync(fn).apply(that, args.concat(cb));
+                wrapAsync(fn).apply(that, callArgs.concat(cb));
             }, callback);
         });
-        if (callArgs.length) {
-            return go.apply(this, callArgs);
-        }
         return go;
     };
 }