From 7a04612b0310d36908b96033e50cbeb24dca6c7d Mon Sep 17 00:00:00 2001
From: YouJia <classfellow@qq.com>
Date: Tue, 21 Feb 2017 14:40:47 +0800
Subject: [PATCH] Update nedb_proxy.js
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修复内存泄漏
写法优化
---
 node_modules/nedb_proxy.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/node_modules/nedb_proxy.js b/node_modules/nedb_proxy.js
index 2733ad57..0050b631 100644
--- a/node_modules/nedb_proxy.js
+++ b/node_modules/nedb_proxy.js
@@ -24,13 +24,12 @@ function DBProxy(dbname) {
     this.dbname = dbname;
 };
 
-var token = 1;
+var token = 0;
 var token2Callback = {};
 
 DBProxy.prototype.send = function(params, callback, method) {
-    token++;
     var m = {
-        token: token,
+        token: ++token,
         method: method,
         dbname: this.dbname,
         // 转为json字符串, 如果{[a], [a]}, 在main接收后变成了 {[a], [null]}, 对象引用问题
@@ -84,6 +83,7 @@ DBProxy.prototype.remove = function (params, callback) {
 ipc.on('db-exec-ret', function(event, m) {
     var token = m.token;
     var callback = token2Callback[token];
+    delete token2Callback[token];
     // console.log('clent 接收到消息');
     // console.log(m);
     // console.log('--------------');
@@ -93,4 +93,4 @@ ipc.on('db-exec-ret', function(event, m) {
     callback && callback(m.err, m.ret);
 });
 
-module.exports = DBProxy;
\ No newline at end of file
+module.exports = DBProxy;