From af96f7771cd067b71a9fbe92b7de5640fe9f2087 Mon Sep 17 00:00:00 2001
From: Max Leiter <maxwell.leiter@gmail.com>
Date: Sat, 20 Nov 2021 18:43:51 -0800
Subject: [PATCH] Revert "Preserve location on first and last line when
 scrolling through inputs" (#4367)

This reverts commit c5f6b4617fa03699b5e4c2628bd1ce57456c2fec.
---
 client/components/ChatInput.vue | 33 ++++++---------------------------
 1 file changed, 6 insertions(+), 27 deletions(-)

diff --git a/client/components/ChatInput.vue b/client/components/ChatInput.vue
index 25d5372e..0d01f2d8 100644
--- a/client/components/ChatInput.vue
+++ b/client/components/ChatInput.vue
@@ -140,10 +140,11 @@ export default {
 				return;
 			}
 
-			const oldValue = this.$refs.input.value;
-			const oldPosition = this.$refs.input.selectionStart;
-			const onRow = (oldValue.slice(null, oldPosition).match(/\n/g) || []).length;
-			const totalRows = (oldValue.match(/\n/g) || []).length;
+			const onRow = (
+				this.$refs.input.value.slice(null, this.$refs.input.selectionStart).match(/\n/g) ||
+				[]
+			).length;
+			const totalRows = (this.$refs.input.value.match(/\n/g) || []).length;
 
 			const {channel} = this;
 
@@ -164,29 +165,7 @@ export default {
 			}
 
 			channel.pendingMessage = channel.inputHistory[channel.inputHistoryPosition];
-			const newValue = channel.pendingMessage;
-			this.$refs.input.value = newValue;
-
-			let newPosition;
-
-			if (key === "up") {
-				const lastIndexOfNewLine = newValue.lastIndexOf("\n");
-				const lastLine = newValue.slice(null, lastIndexOfNewLine);
-				newPosition =
-					oldPosition > lastLine.length
-						? newValue.length
-						: lastIndexOfNewLine + oldPosition + 1;
-			} else {
-				const lastPositionOnFirstLine =
-					newValue.indexOf("\n") === -1 ? newValue.length + 1 : newValue.indexOf("\n");
-				const relativeRowPos = oldPosition - oldValue.lastIndexOf("\n") - 1;
-				newPosition =
-					relativeRowPos > lastPositionOnFirstLine
-						? lastPositionOnFirstLine
-						: relativeRowPos;
-			}
-
-			this.$refs.input.setSelectionRange(newPosition, newPosition);
+			this.$refs.input.value = channel.pendingMessage;
 			this.setInputSize();
 
 			return false;