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react-change-highlight
Advanced tools
React component to highlight the changed content immediately and bring focus of the user into the changed part
React Change Highlight is a react component to highlight changes in the wrapped component to enhance the UX and grab the focus of the user into the changed value of some parts like the cart in an e-commerce application for example.
This is a real use case I'm using in a project
You can play around with it on this sandbox codesandbox.io/react-change-highlight .. or clone the repo and play around with the all examples in the examples folder
yarn add react-change-highlight
or
npm install react-change-highlight
Basically you need to wrap the components you want to highlight on change inside ChangeHighlight
element (default import) then add ref
attribute to each child in this component which you want to highlight when they got their content changed.
In the following example the count
variable comes from state, so when ever that function setCount()
is called with any different value the background of that wrapped div will be changed as a default action, but actually it can be any kind of animation you make into the class you will pass to highlightStyle
attribute.
import ChangeHighlight from "react-change-highlight";
export default () => {
const [count, setCount] = useState(0);
return (
<ChangeHighlight>
<div ref={React.createRef()}>{count}</div>
</ChangeHighlight>
);
};
Default styling for highlighting in case the user didn't use a custom styling using the highlightStyle
property is rc-highlight
class and it is as follow:
.rc-highlight {
background-color: #f8ffb4;
transition: all 0.5s ease-in-out;
}
In case of using this module in a server-side rendering app, you should make sure to create and pass your own className to the highlightStyle
attribute, and to make some hint for you, add ssr
attribute to the ChangeHighlight
element, so it can give you a hint to add a class in your console as a warning like this.
⚠️ "react-change-highlight", As you're using server-side rendering, it's a must to create and pass your css class to the highlightStyle attribute for "ChangeHighlight" component
Property | Type | Default | Descriptio |
---|---|---|---|
showAfter | number | 500 | number of milli seconds before start highlighting |
hideAfter | number | 2500 | number of milli seconds before ending highlighting |
mode | change or newOnly | change | mode of the detection, either change which is the default one to detect the changes in the parsed elements or newOnly which is useful in case of newly added element highlight (check todo example) |
disabled | boolean | false | whether you need to disable highlighting |
ssr | boolean | false | you need to pass this in case of using it with server-side rendering. (gives a hint for adding style) |
highlightClassName | string | className for highlighing content (a must in case of SSR) | |
containerClassName | string | className for component container |
Thanks goes to these wonderful people (emoji key):
Medhat Dawoud 💻 📝 📖 | Islam ElHakmi 💻 | Mohamed Gamal 🐛 💻 |
This project follows the all-contributors specification. Contributions of any kind welcome!
FAQs
React component to highlight the changed content immediately and bring focus of the user into the changed part
The npm package react-change-highlight receives a total of 590 weekly downloads. As such, react-change-highlight popularity was classified as not popular.
We found that react-change-highlight demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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