From 9ae814dfe45426f8df9b89b305392770344a7d50 Mon Sep 17 00:00:00 2001
From: Shin'ya Ueoka <ueokande@i-beam.org>
Date: Sun, 17 Sep 2017 08:59:12 +0900
Subject: more strict lint

---
 src/console/completion.js | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

(limited to 'src/console/completion.js')

diff --git a/src/console/completion.js b/src/console/completion.js
index 0c21cb0..4c69afb 100644
--- a/src/console/completion.js
+++ b/src/console/completion.js
@@ -3,15 +3,16 @@ export default class Completion {
     if (typeof completions.length !== 'number') {
       throw new TypeError('completions does not have a length in number');
     }
-    this.completions = completions
+    this.completions = completions;
     this.index = 0;
   }
 
   prev() {
-    if (this.completions.length === 0) {
+    let length = this.completions.length;
+    if (length === 0) {
       return null;
     }
-    this.index = (this.index + this.completions.length - 1) % this.completions.length
+    this.index = (this.index + length - 1) % length;
     return this.completions[this.index];
   }
 
@@ -20,7 +21,7 @@ export default class Completion {
       return null;
     }
     let item = this.completions[this.index];
-    this.index = (this.index + 1) % this.completions.length
+    this.index = (this.index + 1) % this.completions.length;
     return item;
   }
 }
-- 
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