80 lines
2.1 KiB
TypeScript
80 lines
2.1 KiB
TypeScript
import React, { ReactNode, useState } from "react";
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import classNames from "@lib/classNames";
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type RadioAreaProps = Omit<React.InputHTMLAttributes<HTMLInputElement>, "onChange"> & {
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onChange?: (value: string) => void;
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defaultChecked?: boolean;
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};
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const RadioArea = (props: RadioAreaProps) => {
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return (
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<label
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className={classNames(
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"border-1 block border p-4 focus:outline-none focus:ring focus:ring-neutral-500",
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props.checked && "border-brand",
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props.className
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)}>
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<input
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onChange={(e) => {
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if (typeof props.onChange === "function") {
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props.onChange(e.target.value);
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}
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}}
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checked={props.checked}
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className="float-right ml-3 text-neutral-900 focus:ring-neutral-500"
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name={props.name}
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value={props.value}
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type="radio"
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/>
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{props.children}
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</label>
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);
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};
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type ChildrenProps = {
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props: RadioAreaProps;
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children?: ReactNode;
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};
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interface RadioAreaGroupProps extends Omit<React.ComponentPropsWithoutRef<"div">, "onChange"> {
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children: ChildrenProps | ChildrenProps[];
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name?: string;
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onChange?: (value: string) => void;
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}
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const RadioAreaGroup = ({ children, name, onChange, ...passThroughProps }: RadioAreaGroupProps) => {
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const [checkedIdx, setCheckedIdx] = useState<number | null>(null);
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const changeHandler = (value: string, idx: number) => {
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if (onChange) {
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onChange(value);
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}
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setCheckedIdx(idx);
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};
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return (
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<div {...passThroughProps}>
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{(Array.isArray(children) ? children : [children]).map((child, idx: number) => {
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if (checkedIdx === null && child.props.defaultChecked) {
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setCheckedIdx(idx);
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}
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return (
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<Item
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{...child.props}
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key={idx}
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name={name}
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checked={idx === checkedIdx}
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onChange={(value: string) => changeHandler(value, idx)}>
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{child.props.children}
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</Item>
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);
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})}
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</div>
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);
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};
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const Item = RadioArea;
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const Group = RadioAreaGroup;
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export { RadioArea, RadioAreaGroup, Item, Group };
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