From b02effad815aff174560125acb5a3f3a60238bac Mon Sep 17 00:00:00 2001
From: Tal Koren <talko@monday.com>
Date: Sun, 5 Jan 2025 16:36:24 +0200
Subject: [PATCH] fix(EditableTypography): improve performance [prerelease]

---
 .../EditableTypography.module.scss            |  5 ++++-
 .../EditableTypography/EditableTypography.tsx | 22 ++++++++-----------
 2 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/packages/core/src/components/EditableTypography/EditableTypography.module.scss b/packages/core/src/components/EditableTypography/EditableTypography.module.scss
index cd2fcd9a38..253b68cb28 100644
--- a/packages/core/src/components/EditableTypography/EditableTypography.module.scss
+++ b/packages/core/src/components/EditableTypography/EditableTypography.module.scss
@@ -9,7 +9,9 @@
   overflow: hidden;
   position: relative;
 
-  .input,.textarea {
+  .input,
+  .textarea {
+    width: var(--input-width);
     display: inline-block;
     max-width: 100%;
     min-width: 64px;
@@ -28,6 +30,7 @@
 
   .textarea {
     resize: none;
+    height: var(--input-height);
   }
 
   .typography {
diff --git a/packages/core/src/components/EditableTypography/EditableTypography.tsx b/packages/core/src/components/EditableTypography/EditableTypography.tsx
index d69be1c3f0..d5b7772acc 100644
--- a/packages/core/src/components/EditableTypography/EditableTypography.tsx
+++ b/packages/core/src/components/EditableTypography/EditableTypography.tsx
@@ -1,4 +1,4 @@
-import React, { ElementType, forwardRef, useEffect, useRef, useState } from "react";
+import React, { ElementType, forwardRef, useEffect, useRef, useState, useLayoutEffect } from "react";
 import cx from "classnames";
 import useMergeRef from "../../hooks/useMergeRef";
 import VibeComponentProps from "../../types/VibeComponentProps";
@@ -79,8 +79,6 @@ const EditableTypography: VibeComponent<EditableTypographyProps, HTMLElement> =
 
     const [isEditing, setIsEditing] = useState(isEditMode || false);
     const [inputValue, setInputValue] = useState(value);
-    const [inputWidth, setInputWidth] = useState(0);
-    const [inputHeight, setInputHeight] = useState<number | string>(0);
     const textareaBorderBoxSizing = useRef(0);
     const textareaLineHeight = useRef(0);
 
@@ -183,7 +181,7 @@ const EditableTypography: VibeComponent<EditableTypographyProps, HTMLElement> =
     function resizeTextarea() {
       if (inputRef.current) {
         // Temporarily set the height to "auto" to accurately measure the scroll height of the content inside the textarea.
-        setInputHeight("auto");
+        inputRef?.current?.style.setProperty("--input-height", "auto");
 
         requestAnimationFrame(() => {
           const textarea = inputRef.current as HTMLTextAreaElement;
@@ -193,12 +191,11 @@ const EditableTypography: VibeComponent<EditableTypographyProps, HTMLElement> =
           }
 
           // Ensure we at least have 1 line
-          setInputHeight(
-            Math.max(
-              textarea.scrollHeight + textareaBorderBoxSizing.current,
-              textareaLineHeight.current + textareaBorderBoxSizing.current
-            )
+          const height = Math.max(
+            textarea.scrollHeight + textareaBorderBoxSizing.current,
+            textareaLineHeight.current + textareaBorderBoxSizing.current
           );
+          inputRef?.current?.style.setProperty("--input-height", `${height}px`);
         });
       }
     }
@@ -215,13 +212,13 @@ const EditableTypography: VibeComponent<EditableTypographyProps, HTMLElement> =
       }
     }, [autoSelectTextOnEditMode, isEditing]);
 
-    useEffect(() => {
+    useLayoutEffect(() => {
       if (!typographyRef.current) {
         return;
       }
 
       const { width } = typographyRef.current.getBoundingClientRect();
-      setInputWidth(width);
+      inputRef?.current?.style.setProperty("--input-width", `${width}px`);
     }, [inputValue, isEditing]);
 
     /* Calculate the minimual textarea height, taking its applied styles (padding, border width) into consideration 
@@ -273,7 +270,7 @@ const EditableTypography: VibeComponent<EditableTypographyProps, HTMLElement> =
               onBlur={handleBlur}
               aria-label={ariaLabel}
               placeholder={placeholder}
-              style={{ width: inputWidth, height: inputHeight }}
+              // style={{ width: inputWidth, height: inputHeight }}
               role="textbox"
               rows={1}
             />
@@ -287,7 +284,6 @@ const EditableTypography: VibeComponent<EditableTypographyProps, HTMLElement> =
               onBlur={handleBlur}
               aria-label={ariaLabel}
               placeholder={placeholder}
-              style={{ width: inputWidth }}
               role="input"
             />
           ))}