From a0d208cbca311cae68c2ca8b03b95f379c43482b Mon Sep 17 00:00:00 2001
From: yuanchuan <yuanchuan23@gmail.com>
Date: Mon, 27 Feb 2017 19:11:50 +0800
Subject: [PATCH] prevent blocking

---
 css-doodle.js   | 2 ++
 src/function.js | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/css-doodle.js b/css-doodle.js
index 0f24c38..4f245ce 100644
--- a/css-doodle.js
+++ b/css-doodle.js
@@ -77,6 +77,7 @@ function memo(fn) {
 }
 
 function range(start, stop, step) {
+  let count = 0;
   let initial = n => (n > 0 && n < 1) ? .1 : 1;
   let length = arguments.length;
   if (length == 1) [start, stop] = [initial(start), start];
@@ -86,6 +87,7 @@ function range(start, stop, step) {
     || (step < 0 && start > stop)) {
     range.push(start);
     start += step;
+    if (count++ >= 1000) break;
   }
   return range;
 }
diff --git a/src/function.js b/src/function.js
index 74b357f..b6e5911 100644
--- a/src/function.js
+++ b/src/function.js
@@ -37,6 +37,7 @@ function memo(fn) {
 }
 
 function range(start, stop, step) {
+  let count = 0;
   let initial = n => (n > 0 && n < 1) ? .1 : 1;
   let length = arguments.length;
   if (length == 1) [start, stop] = [initial(start), start];
@@ -46,6 +47,7 @@ function range(start, stop, step) {
     || (step < 0 && start > stop)) {
     range.push(start);
     start += step;
+    if (count++ >= 1000) break;
   }
   return range;
 }