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@casprine
Created March 9, 2020 21:27
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DoubleTap component for React Native
import React from "react";
import { TouchableOpacity } from "react-native"
const DoubleTap = ({ children, delay, doubleTap, singleTap, ...rest }) => {
let timer = false;
let firstPress = true;
let delayTime = delay;
let lastTime = new Date();
return (
<TouchableOpacity onPress={() => onTap()} {...rest}>
{children}
</TouchableOpacity>
);
function onTap() {
let now = new Date().getTime();
if (firstPress) {
firstPress = false;
timer = setTimeout(() => {
singleTap && singleTap();
firstPress = true;
timer = false;
}, delayTime);
lastTime = now;
} else {
if (now - lastTime < delayTime) {
timer && clearTimeout(timer);
doubleTap && doubleTap();
firstPress = true;
}
}
}
};
DoubleTap.defaultProps = {
delay: 150,
};
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