Update src/index.js

Co-authored-by: Jon Rohan <[email protected]>
github · Nov 30, 2023 · 9aa4ee7 · 9aa4ee7
1 parent df389a0
commit 9aa4ee7
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/index.js b/src/index.js
@@ -50,8 +50,8 @@ export default function autosize(textarea, {viewportMarginBottom = 100} = {}) {
 
     const textareaStyle = getComputedStyle(textarea)
 
-    const topBorderWidth = Math.round(parseFloat(textareaStyle.borderTopWidth))
-    const bottomBorderWidth = Math.round(parseFloat(textareaStyle.borderBottomWidth))
+    const topBorderWidth = Math.ceil(parseFloat(textareaStyle.borderTopWidth))
+    const bottomBorderWidth = Math.ceil(parseFloat(textareaStyle.borderBottomWidth))
 
     const isBorderBox = textareaStyle.boxSizing === 'border-box'
     const borderAddOn = isBorderBox ? topBorderWidth + bottomBorderWidth : 0