From acffc3e522c4fd46d2206dc90546268f388a70b7 Mon Sep 17 00:00:00 2001
From: Aya Morisawa <AyaMorisawa4869@gmail.com>
Date: Sat, 1 Sep 2018 22:32:51 +0900
Subject: [PATCH] Refactor mfm component

---
 .../views/components/misskey-flavored-markdown.ts   | 13 ++-----------
 1 file changed, 2 insertions(+), 11 deletions(-)

diff --git a/src/client/app/common/views/components/misskey-flavored-markdown.ts b/src/client/app/common/views/components/misskey-flavored-markdown.ts
index e97da4302..44680751f 100644
--- a/src/client/app/common/views/components/misskey-flavored-markdown.ts
+++ b/src/client/app/common/views/components/misskey-flavored-markdown.ts
@@ -205,17 +205,8 @@ export default Vue.component('misskey-flavored-markdown', {
 			}
 		}));
 
-		const _els = [];
-		els.forEach((el, i) => {
-			if (el.tag == 'br') {
-				if (!['div', 'pre'].includes(els[i - 1].tag)) {
-					_els.push(el);
-				}
-			} else {
-				_els.push(el);
-			}
-		});
-
+		// el.tag === 'br' のとき i !== 0 が保証されるため、短絡評価により els[i - 1] は配列外参照しない
+		const _els = els.filter((el, i) => !(el.tag === 'br' && ['div', 'pre'].includes(els[i - 1].tag)));
 		return createElement('span', _els);
 	}
 });