58 lines
1.1 KiB
JavaScript
58 lines
1.1 KiB
JavaScript
import React, { useMemo } from "react";
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import classNames from "classnames";
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import styles from "./Avatar.module.css";
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const backgroundColors = [
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"#5C56F5",
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"#03B381",
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"#368BD6",
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"#AC3BA8",
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"#E64F7A",
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"#FF812D",
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"#2DC2C5",
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"#74D12C",
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];
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function hashStringToArrIndex(str, arrLength) {
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let sum = 0;
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for (let i = 0; i < str.length; i++) {
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sum += str.charCodeAt(i);
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}
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return sum % arrLength;
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}
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export function Avatar({
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bgKey,
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src,
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fallback,
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size,
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className,
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style,
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...rest
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}) {
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const backgroundColor = useMemo(() => {
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const index = hashStringToArrIndex(
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bgKey || fallback || src || "",
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backgroundColors.length
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);
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return backgroundColors[index];
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}, [bgKey, src, fallback]);
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return (
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<div
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className={classNames(styles.avatar, styles[size || "md"], className)}
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style={{ backgroundColor, ...style }}
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{...rest}
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>
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{src ? (
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<img src={src} />
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) : typeof fallback === "string" ? (
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<span>{fallback}</span>
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) : (
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fallback
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)}
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</div>
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);
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}
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