95 lines
2.1 KiB
TypeScript
95 lines
2.1 KiB
TypeScript
// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import { useState, useCallback } from 'react';
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import type { SpringValues } from '@react-spring/web';
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import { useChain, useSpring, useSpringRef } from '@react-spring/web';
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export type ModalConfigType = {
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opacity: number;
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transform?: string;
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marginTop?: string;
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};
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enum ModalState {
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Opening = 'Opening',
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Open = 'Open',
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Closing = 'Closing',
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Closed = 'Closed',
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}
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export function useAnimated(
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onClose: () => unknown,
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{
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getFrom,
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getTo,
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}: {
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getFrom: (isOpen: boolean) => ModalConfigType;
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getTo: (isOpen: boolean) => ModalConfigType;
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}
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): {
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close: () => unknown;
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isClosed: boolean;
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modalStyles: SpringValues<ModalConfigType>;
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overlayStyles: SpringValues<ModalConfigType>;
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} {
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const [state, setState] = useState(ModalState.Opening);
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const shouldShowModal =
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state === ModalState.Open || state === ModalState.Opening;
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const isClosed = state === ModalState.Closed;
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const modalRef = useSpringRef();
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const modalStyles = useSpring({
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from: getFrom(shouldShowModal),
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to: getTo(shouldShowModal),
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onRest: () => {
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if (state === ModalState.Closing) {
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setState(ModalState.Closed);
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onClose();
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} else if (state === ModalState.Opening) {
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setState(ModalState.Open);
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}
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},
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config: {
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clamp: true,
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friction: 20,
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mass: 0.5,
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tension: 350,
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},
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ref: modalRef,
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});
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const overlayRef = useSpringRef();
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const overlayStyles = useSpring({
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from: { opacity: 0 },
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to: { opacity: shouldShowModal ? 1 : 0 },
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config: {
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clamp: true,
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friction: 22,
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tension: 360,
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},
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ref: overlayRef,
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});
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useChain(shouldShowModal ? [overlayRef, modalRef] : [modalRef, overlayRef]);
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const close = useCallback(() => {
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setState(currentState => {
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if (
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currentState === ModalState.Open ||
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currentState === ModalState.Opening
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) {
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return ModalState.Closing;
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}
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return currentState;
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});
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}, []);
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return {
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close,
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isClosed,
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overlayStyles,
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modalStyles,
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};
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}
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