fix babel export default problem

Author: zoubin

lib/main.js

@@ -1,45 +1,10 @@
-import { bindAsync } from 'run-callback'
+import { first, last, run } from './run'
 
-export var last = {}
-export var first = {}
-
-export default function () {
+export default function sequence() {
   return run.bind(null, arguments)
 }
 
-export function run(things, initial, done) {
-  if (arguments.length < 3) {
-    if (typeof initial === 'function') {
-      done = initial
-      initial = null
-    }
-  }
-
-  next(things, initial, done || function () {}, [], 0)
-}
-
-function next(things, initial, done, res, i) {
-  if (i >= things.length) {
-    return done(null, res)
-  }
-  bind(things[i], res, initial)((err, r) => {
-    if (err) {
-      return done(err, res)
-    }
-    res.push(r)
-    next(things, initial, done, res, ++i)
-  })
-}
-
-function bind(fn, res, initial) {
-  return bindAsync.apply(null, [].concat(fn).map((j) => {
-    if (j === last) {
-      return res.length === 0 ? initial : res[res.length - 1]
-    }
-    if (j === first) {
-      return initial == null ? res[0] : initial
-    }
-    return j
-  }))
-}
+sequence.last = last
+sequence.first = first
+sequence.run = run
 

lib/run.js

@@ -0,0 +1,41 @@
+import { bindAsync } from 'run-callback'
+
+export var last = {}
+export var first = {}
+
+export function run(things, initial, done) {
+  if (arguments.length < 3) {
+    if (typeof initial === 'function') {
+      done = initial
+      initial = null
+    }
+  }
+
+  next(things, initial, done || function () {}, [], 0)
+}
+
+function next(things, initial, done, res, i) {
+  if (i >= things.length) {
+    return done(null, res)
+  }
+  bind(things[i], res, initial)((err, r) => {
+    if (err) {
+      return done(err, res)
+    }
+    res.push(r)
+    next(things, initial, done, res, ++i)
+  })
+}
+
+function bind(fn, res, initial) {
+  return bindAsync.apply(null, [].concat(fn).map((j) => {
+    if (j === last) {
+      return res.length === 0 ? initial : res[res.length - 1]
+    }
+    if (j === first) {
+      return initial == null ? res[0] : initial
+    }
+    return j
+  }))
+}
+