From e6eb34287b1e7b1723acebe0814b9bc6e5139675 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=B9=E6=9B=B0?= <junjun.zjj@alipay.com>
Date: Sat, 4 Jun 2016 23:36:48 +0800
Subject: [PATCH] Improve code style

---
 src/index.js | 38 +++++++++++++++++---------------------
 1 file changed, 17 insertions(+), 21 deletions(-)

diff --git a/src/index.js b/src/index.js
index 23babde..75e0e20 100644
--- a/src/index.js
+++ b/src/index.js
@@ -3,8 +3,8 @@ import Vue from 'vue';
 const Toast = Vue.extend(require('./toast.vue'));
 let toastPool = [];
 
-let getAnInstance = function() {
-  if (toastPool.length > 0) {
+const getAnInstance = () => {
+  if (toastPool.length) {
     let instance = toastPool[0];
     toastPool.splice(0, 1);
     return instance;
@@ -14,31 +14,27 @@ let getAnInstance = function() {
   });
 };
 
-let returnAnInstance = function(instance) {
+const returnAnInstance = (instance) => {
   if (instance) {
     toastPool.push(instance);
   }
 };
 
-export default function(options) {
-  options = options || {};
-
-  let message, position, duration, className, iconClass;
-
+export default (options = {}) => {
   if (typeof options === 'string') {
-    message = options;
-    duration = 3000;
-    position = 'middle';
-    className = '';
-    iconClass = '';
-  } else {
-    message = options.message;
-    duration = options.duration || 3000;
-    position = options.position || 'middle';
-    className = options.className || '';
-    iconClass = options.iconClass || '';
+    options = {
+      message: options
+    };
   }
 
+  const {
+    className = '',
+    duration = 3000,
+    iconClass = '',
+    message,
+    position = 'middle'
+  } = options;
+
   let instance = getAnInstance();
 
   instance.message = message;
@@ -46,9 +42,9 @@ export default function(options) {
   instance.className = className;
   instance.iconClass = iconClass;
 
-  Vue.nextTick(function() {
+  Vue.nextTick(() => {
     instance.$appendTo(document.body);
-    setTimeout(function() {
+    setTimeout(() => {
       instance.$remove();
       returnAnInstance(instance);
     }, duration);