@kylelwm/react-ui-scrollspy
v1.1.1
Published
Simple, Easy To Use and Customisable ScrollSpy component for react with callback, typescript and throttle support among others
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React UI ScrollSpy
Make sure you ⭐️ this repository
if you find it helpful or interesting :)
✨ Installation
React 18
npm install --save react-ui-scrollspy
OR
yarn add react-ui-scrollspy
React 17 and below
npm install --save [email protected]
OR
yarn add [email protected]
🎞 Demo
Try it your self here!
| Demo 1 | Demo 2 | | :-------------------------------------------- | :--------------------------------------------- | | | |
⚙️ Usage
- In your navigation component
<div>
<p data-to-scrollspy-id="first">Section 1</p>
<p data-to-scrollspy-id="second">Section 2</p>
</div>
- Wrap the elements you want to spy on in the
<ScrollSpy>
component.
import ScrollSpy from "react-ui-scrollspy";
<ScrollSpy>
<div id="first">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Aut dolores
veritatis doloremque fugit. Soluta aperiam atque inventore deleniti,
voluptatibus non fuga eos magni natus vel, rerum excepturi expedita.
Tempore, vero!
</div>
<div id="second">
Lorem ipsum dolor sit amet consectetur adipisicing elit. Aut dolores
veritatis doloremque fugit. Soluta aperiam atque inventore deleniti,
voluptatibus non fuga eos magni natus vel, rerum excepturi expedita.
Tempore, vero!
</div>
</ScrollSpy>
- Write styles for when the navigation element which is active in your
index.css
.active-scroll-spy {
background-color: yellowgreen;
border-radius: 15px;
}
📝 Notes
Incase the ScrollSpy is not working the way you expected, you can try the following:
Reduce the value of
scrollThrottle
.If your page contains a
navbar
aheader
consider adding the followingCSS
html {
scroll-padding-top: 120px; /* height of your navbar */
}
💡 Props
🔧 Children
| Attributes | Type | Description | Default | Required |
| :--------- | :---------- | :------------------------------------------------- | :------ | :------- |
| children
| ReactNode
| Each direct child Element
should contain an id
| - | yes |
🔧 Refs
| Attributes | Type | Description | Default | Required |
| :------------------------- | :------------------------------------------------ | :------------------------------------------------------------------------------------------------------ | :------ | :------- |
| navContainerRef
| MutableRefObject<HTMLDivElement | null> | ref
to your navigation container containing items with data-to-scrollspy-id
attributes | - | no |
| parentScrollContainerRef
| MutableRefObject<HTMLDivElement | null> | If you want to spy only on a particular scrollable container (Element)
then pass its ref to this prop | - | no |
🔧 Throttle
| Attributes | Type | Description | Default | Required |
| :--------------- | :------- | :-------------------------------------------------------------------------------------------------------------------------- | :------ | :------- |
| scrollThrottle
| number
| In milliseconds
to throttle the onscroll
event. Lower the number, better the response time, higher the performance cost | 300
| no |
🔧 Callback
| Attributes | Type | Description | Default | Required |
| :----------------- | :--------------------- | :--------------------------------------------------------------------------------------------------------------------------------- | :------ | :------- |
| onUpdateCallback
| (id: string) => void
| Executes this function whenever you scroll to a new ScrollSpy child Element
, callback returns the id
of that Element
as well | - | no |
🔧 Offsets
| Attributes | Type | Description | Default | Required |
| :------------- | :------- | :-------------------------------------------------------------------------------------------------------------- | :------ | :------- |
| offsetTop
| number
| Spy will be fired when it has been scrolled offsetTop
beyond 50%
to the top of the containing element | 0
| no |
| offsetBottom
| number
| Spy will be fired when it has been scrolled offsetBottom
beyond 50%
to the bottom of the containing element | 0
| no |
🔧 Customize Attributes
| Attributes | Type | Description | Default | Required |
| :----------------- | :-------- | :-------------------------------------------------------------------------------------------------------- | :-------------------- | :------- |
| useDataAttribute
| string
| To customize the string after data-
| "to-scrollspy-id"
| no |
| activeClass
| string
| To customize the class
added when the Element
in view | "active-scroll-spy"
| no |
| useBoxMethod
| boolean
| Set to false
if you want your spy to be active only if more than 50%
of that div
is in the viewport | true
| no |
| updateHistoryStack
| boolean
| Set to false
to disable the URL getting automatically updated when scrolling | true
| no
📝 Authors
- Hussain Pettiwala (@pettiboy)