Skip to content

Add SSR support #70

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
emdap merged 3 commits into from
Aug 10, 2026
Merged

Add SSR support #70

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
01498f5
Move scrollbar width measurement into an effect so that it won't run …
emdap Aug 6, 2026
857083d
Use simpler approach to only check scrollbar measurement when window …
emdap Aug 10, 2026
bba5c50
Bump version for SSR patch
emdap Aug 10, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion package.json
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
{
"name": "react-custom-scroller",
"version": "2.2.0",
"version": "2.2.1",
"description": "Super simple React component for creating a custom scrollbar cross-browser and cross-devices",
"author": "Vitor Buzinaro <vitor@close.com>",
"license": "MIT",
Expand Down
10 changes: 6 additions & 4 deletions src/useCustomScroller.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,10 +1,12 @@
import type { MouseEvent as ReactMouseEvent, MutableRefObject } from 'react';
import { useLayoutEffect, useRef, useState, useCallback } from 'react';
import type { MutableRefObject, MouseEvent as ReactMouseEvent } from 'react';
import { useCallback, useLayoutEffect, useRef, useState } from 'react';

const DEFAULT_SCROLLBAR_WIDTH = 20

/**
* We use a negative right on the content to hide original OS scrollbars
*/
const OS_SCROLLBAR_WIDTH = (() => {
const OS_SCROLLBAR_WIDTH = typeof window === 'undefined' ? DEFAULT_SCROLLBAR_WIDTH : (() => {
const outer = document.createElement('div');
const inner = document.createElement('div');
outer.style.overflow = 'scroll';
Expand All @@ -24,7 +26,7 @@ const OS_SCROLLBAR_WIDTH = (() => {
* We need this for OSs that automatically hide the scrollbar (so the offset
* doesn't change in such case). Eg: macOS with "Automatically based on mouse".
*/
const SCROLLBAR_WIDTH = OS_SCROLLBAR_WIDTH || 20;
const SCROLLBAR_WIDTH = OS_SCROLLBAR_WIDTH || DEFAULT_SCROLLBAR_WIDTH;

export default function useCustomScroller(
customRef: MutableRefObject<HTMLDivElement | null> | undefined,
Expand Down