From be4bbed687e344210f5286530a0a6d53682ff235 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=B4=BA=E5=A4=A9=E5=8D=93?= <htz@live.cn>
Date: Tue, 20 Dec 2016 01:45:23 +0800
Subject: [PATCH] Update d3.js

fix gulp-uglify error.
---
 src/d3.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/d3.js b/src/d3.js
index 769aa32fef..697edcf2c2 100644
--- a/src/d3.js
+++ b/src/d3.js
@@ -2,7 +2,7 @@
 //log.debug('Setting up d3');
 var d3;
 
-if (require) {
+if (typeof require!=='undefined') {
   try {
     d3 = require('d3');
   } catch (e) {
@@ -491,4 +491,4 @@ module.exports = d3;
     }
 
 })();
-/* jshint ignore:end */
\ No newline at end of file
+/* jshint ignore:end */