A React Slideshow component with all the bells and whistles
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I loved the slider used in https://www.educative.io/ so I wanted to recreate the design and functionality with React.
Features
- Previous/Next Slide
- Autoplay slides
- Restart slider
- Expand/Collapse all slides
- Fullscreen slides mode
Simple API
const data = [
{
title: "First",
text: "foo bar baz"
},
...
];
...
// optional prop autoPlayTime to control autoplay time on slide
<Slides slides={data} />
To avoid repeating code I utilized a few custom hooks:
useCount – for controlling active slide index
import { useState } from "react";
export const useCount = (initialValue = 0) => {
const [activeIndex, setActiveIndex] = useState(initialValue);
const increment = () => {
setActiveIndex((prev) => prev + 1);
};
const decrement = () => {
setActiveIndex((prev) => prev - 1);
};
const reset = () => {
setActiveIndex(initialValue);
};
return [activeIndex, increment, decrement, reset];
};
useToggle – for controlling expanded/collapsed slides, autoplay mode and full screen mode
import { useCallback, useState } from "react";
export const useToggle = (initialValue = false) => {
const [state, setState] = useState(initialValue);
const toggle = useCallback(() => setState((state) => !state), []);
return [state, toggle];
};
useInterval – for controlling slide increments in autoplay mode
import { useEffect, useRef } from "react";
export const useInterval = (callback, delay) => {
const intervalId = useRef(null);
const savedCallback = useRef(callback);
useEffect(() => {
savedCallback.current = callback;
});
useEffect(() => {
const tick = () => savedCallback.current();
if (typeof delay === "number") {
intervalId.current = window.setInterval(tick, delay);
return () => window.clearInterval(intervalId.current);
}
}, [delay]);
return intervalId.current;
};
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