react-remove-scroll
====
[](https://www.npmjs.com/package/react-remove-scroll)
Disables scroll outside of `children` node.
- 🖱 mouse and touch devices friendly
- 📈 vertical and horizontal
- 📜 removes document scroll bar maintaining it space
- ✅ support nested scrollable elements
- 🕳 supports react-portals (uses React Event system)
- ☠️ it could block literally any scroll anywhere
# Usage
Just wrap content, which should be scrollable, and everything else would not.
```js
import {RemoveScroll} from 'react-remove-scroll';
Only this content would be scrollable
```
`RemoveScroll` accept following props
- `children`
- `[enabled]` - activate or deactivate component behaviour without removing it.
- `[allowPinchZoom=false]` - enabled "pinch-n-zoom" behavior. By default it might be prevented. However - pinch and zoom might break "scroll isolation", and __disabled by default__.
- `[noIsolation=false]` - disables outer event capturing. Event capturing is React friendly and unlikely be a problem.
But if you are using _shadowbox_ of some sort - you dont need it.
- `[inert=false]` - ☠️(be careful) disables events the rest of page completely using `pointer-events` except the Lock(+shards).
React portals not friendly, might lead to production issues. Enable only for __rare__ cases, when you have to disable scrollbars somewhere on the page(except body, Lock and shards).
- `[forwardProps]` - will forward all props to the `children`
- `[className]` - className for an internal div
- `[removeScrollBar]` - to control scroll bar removal. Set to false, if you prefer to keep it (wheel and touch scroll is still disabled).
# Size
- (🧩 full) 1.7kb after compression (excluding tslib).
---
- (👁 UI) __400b__, visual elements only
- (🚗 sidecar) 1.5kb, side effects
```js
import {sidecar} from "react-remove-scroll";
import {RemoveScroll} from 'react-remove-scroll/UI';
const sidecar = sidecar(() => import('react-remove-scroll/sidecar'));
Will load logic from a sidecar when needed
```
> Consider setting `-webkit-overflow-scrolling: touch;` on a document level for a proper mobile experience.
## Internal div
But default RemoveScroll will create a div to handle and capture events.
You may specify `className` for it, if you need, or __remove it__.
The following code samples will produce the same output
```js
Only this content would be scrollable
```
```js
//RemoveScroll will inject props to this div
Only this content would be scrollable
```
Pick the first one if you don't need a second.
## Position:fixed elements
To properly size these elements please add a special className to them.
```jsx
import {RemoveScroll} from 'react-remove-scroll';
// to make "width: 100%"
// to make "right:0"
```
See [react-remove-scroll-bar](https://github.com/theKashey/react-remove-scroll-bar) documentation for details.
## More than one lock
When stacked more is active (default) only one (last) component would be active.
## Over isolation
That could happen -
you disable scroll on the body,
you are suppressing all scroll and wheel events,
and you are ghosting the rest of the page by the `inert` prop.
Only something inside Lock does exists for the browser, and that might be less than you expected.
Dont forget about `shard`, dont forget - `inert` is not portals friendly, dont forget - you dont need over isolation in most of the cases.
> just be careful!
# Performance
To do the job this library setup _non_ passive event listener. Chrome dev tools would complain about it, as a
performance no-op.
We have to use synchronous scroll/touch handler, and it may affect scrolling performance.
Consider using `noIsolation` mode, if you have large scrollable areas.
# Supported React versions
- v1 supports React 15/16
- v2 requires 16.8.0+ (hooks)
# Scroll-Locky
This is a refactoring of another library - [react-scroll-locky](https://github.com/theKashey/react-scroll-locky) -
to make package smaller and more react-portals friendly.
## See also
- [react-focus-on](https://github.com/theKashey/react-focus-on) - Finite Modal creator (uses Scroll-Locky) underneath.
- [react-locky](https://github.com/theKashey/react-locky) - React event canceler
- [react-scrolllock](https://github.com/jossmac/react-scrolllock) - React scroll lock
- [scroll-lock](https://github.com/FL3NKEY/scroll-lock) - DOM scroll lock
- [body-scroll-lock](https://github.com/willmcpo/body-scroll-lock) - DOM scroll lock
> This package is relative smaller(1), more react friendly(2), works with non zero body margins(3), and has a better "overscroll" management.
# License
MIT 
