From e18c827cc12cb1c52e5d0aa993f572cb56238704 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E8=96=9B=E5=AE=9A=E8=B0=94=E7=9A=84=E7=8C=AB?=
 <weiran.zsd@outlook.com>
Date: Sun, 11 Nov 2018 23:42:45 +0800
Subject: [PATCH] Chore: refactor linter#parseBooleanConfig to improve
 readability (#11074)

---
 lib/linter.js | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/lib/linter.js b/lib/linter.js
index b47e6eb1fcf..edcf741069c 100644
--- a/lib/linter.js
+++ b/lib/linter.js
@@ -76,19 +76,14 @@ function parseBooleanConfig(string, comment) {
         if (!name) {
             return;
         }
-        const pos = name.indexOf(":");
 
-        if (pos === -1) {
-            items[name] = {
-                value: false,
-                comment
-            };
-        } else {
-            items[name.slice(0, pos)] = {
-                value: name.slice(pos + 1) === "true",
-                comment
-            };
-        }
+        // value defaults to "false" (if not provided), e.g: "foo" => ["foo", "false"]
+        const [key, value = "false"] = name.split(":");
+
+        items[key] = {
+            value: value === "true",
+            comment
+        };
     });
     return items;
 }