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73 lines
1.8 KiB
73 lines
1.8 KiB
import type * as React from 'react';
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import { useState } from 'react';
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import AnimateHeight from 'react-animate-height';
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export interface AccordionProps {
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children: (args: AccordionChildProps) => JSX.Element;
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/** If true, only one accordion item can be open at any time */
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single?: boolean;
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/** If true, at least one accordion item will always be open */
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atLeastOne?: boolean;
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initialOpenIndexes?: number[];
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}
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export interface AccordionChildProps {
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openIndexes: number[];
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handleClick(index: number): void;
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AccordionContent: typeof AccordionContent;
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}
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type AccordionContentProps = {
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isOpen: boolean;
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children: React.ReactNode;
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};
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export const AccordionContent = ({
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isOpen,
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children,
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}: AccordionContentProps) => {
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return <AnimateHeight height={isOpen ? 'auto' : 0}>{children}</AnimateHeight>;
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};
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const Accordion = ({
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single,
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atLeastOne,
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initialOpenIndexes,
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children,
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}: AccordionProps) => {
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const initialState = initialOpenIndexes || (atLeastOne && [0]) || [];
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const [openIndexes, setOpenIndexes] = useState<number[]>(initialState);
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const close = (index: number) => {
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const openCount = openIndexes.length;
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const newListOfIndexes =
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atLeastOne && openCount === 1 && openIndexes.includes(index)
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? openIndexes
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: openIndexes.filter((i) => i !== index);
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setOpenIndexes(newListOfIndexes);
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};
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const open = (index: number) => {
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const newListOfIndexes = single ? [index] : [...openIndexes, index];
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setOpenIndexes(newListOfIndexes);
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};
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const handleItemClick = (index: number) => {
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const action = openIndexes.includes(index) ? 'closing' : 'opening';
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if (action === 'closing') {
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close(index);
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} else {
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open(index);
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}
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};
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return children({
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openIndexes: openIndexes,
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handleClick: handleItemClick,
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AccordionContent,
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});
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};
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export default Accordion;
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