Travis build: 903 [cron]

dist/_30s.es5.js

@@ -334,9 +334,11 @@
   };
   var chainAsync = function chainAsync(fns) {
     var curr = 0;
+    var last = fns[fns.length - 1];
 
     var next = function next() {
-      return fns[curr++](next);
+      var fn = fns[curr++];
+      fn === last ? fn() : fn(next);
     };
 
     next();

dist/_30s.esm.js

@@ -108,7 +108,11 @@ const capitalizeEveryWord = str => str.replace(/\b[a-z]/g, char => char.toUpperC
 const castArray = val => (Array.isArray(val) ? val : [val]);
 const chainAsync = fns => {
   let curr = 0;
-  const next = () => fns[curr++](next);
+  const last = fns[fns.length - 1];
+  const next = () => {
+    const fn = fns[curr++];
+    fn === last ? fn() : fn(next);
+  };
   next();
 };
 const chunk = (arr, size) =>

dist/_30s.js

@@ -114,7 +114,11 @@
   const castArray = val => (Array.isArray(val) ? val : [val]);
   const chainAsync = fns => {
     let curr = 0;
-    const next = () => fns[curr++](next);
+    const last = fns[fns.length - 1];
+    const next = () => {
+      const fn = fns[curr++];
+      fn === last ? fn() : fn(next);
+    };
     next();
   };
   const chunk = (arr, size) =>