react-7-segment-display-plus
Version:
A react component that simulates a 7-segment display
55 lines • 2.61 kB
JavaScript
import { Digit } from "./Digit";
import React, { useEffect, useState } from "react";
import { Dot } from "./Dot";
export const Display = ({ count = 2, height = 250, value = null, color = "red", backgroundColor, skew = false, }) => {
const [digits, setDigits] = useState([]);
const [dotIndex, setDotIndex] = useState(-1);
const style = {
display: "flex",
flexDirection: "row",
justifyContent: "center",
alignItems: "center",
height: "fit-content",
width: "fit-content",
padding: "20px",
};
const displayStyle = {
display: "flex",
flexDirection: "column",
justifyContent: "center",
alignItems: "center",
height: "fit-content",
width: "fit-content",
backgroundColor: backgroundColor ? backgroundColor : "transparent",
padding: "20px",
color: "white",
};
useEffect(() => {
let dotIndex = value ? value.toString().indexOf(".") - 1 : -1;
const newValue = dotIndex > -1 ? value.toString().replace(".", "") : value;
let newDigits = newValue && newValue.toString().split("");
if (!newValue || count < newValue.toString().length) {
newDigits = null;
}
if (newValue && count > newValue.toString().length) {
for (let i = 0; i < count - newValue.toString().length; i++) {
newDigits.unshift("0");
}
}
setDigits(newDigits);
setDotIndex(dotIndex > -1 ? dotIndex + count - newValue.toString().length : -1);
}, [count, value]);
return (React.createElement("div", { className: "display", style: displayStyle },
React.createElement("div", { className: "display-digits", style: style }, digits
? digits.map((digit, index) => {
return (React.createElement(React.Fragment, null,
React.createElement(Digit, { key: `digit-${index}`, char: digit, height: height, color: color, skew: skew }),
React.createElement(Dot, { key: `dot-${index}`, active: index === dotIndex, color: color, height: height, skew: skew })));
})
: Array.from(Array(count).keys()).map((index) => {
return (React.createElement(React.Fragment, null,
React.createElement(Digit, { key: `digit-${index}`, char: "-", height: height, color: color, skew: skew }),
React.createElement(Dot, { key: `dot-${index}`, active: false, color: color, height: height, skew: skew })));
}))));
};
//# sourceMappingURL=Display.js.map