From ac24b8e35733cdd22484bf0503bcf35cacf2b8fb Mon Sep 17 00:00:00 2001
From: Taya Leutina <leutinatasya@yandex-team.ru>
Date: Wed, 24 Jan 2024 11:31:31 +0300
Subject: [PATCH] refactor(Sheet): refactor Sheet from class component to
 function (#1268)

---
 src/components/Sheet/Sheet.tsx | 135 +++++++++------------------------
 1 file changed, 37 insertions(+), 98 deletions(-)

diff --git a/src/components/Sheet/Sheet.tsx b/src/components/Sheet/Sheet.tsx
index 4b3de6befc..e2ecad0d93 100644
--- a/src/components/Sheet/Sheet.tsx
+++ b/src/components/Sheet/Sheet.tsx
@@ -1,7 +1,7 @@
 import React from 'react';
 
-import ReactDOM from 'react-dom';
-
+import {useBodyScrollLock} from '../../hooks';
+import {Portal} from '../Portal/Portal';
 import type {QAProps} from '../types';
 
 import {SheetContentContainer} from './SheetContent';
@@ -30,91 +30,45 @@ export interface SheetProps extends QAProps {
     hideTopBar?: boolean;
 }
 
-interface SheetState {
-    visible: boolean;
-}
-
-export class Sheet extends React.Component<SheetProps, SheetState> {
-    private static bodyScrollLocksCount = 0;
-    private static bodyInitialOverflow: string | undefined = undefined;
-
-    static lockBodyScroll() {
-        if (++Sheet.bodyScrollLocksCount === 1) {
-            Sheet.bodyInitialOverflow = document.body.style.overflow;
-            document.body.style.overflow = 'hidden';
-        }
+export const Sheet = ({
+    children,
+    onClose,
+    visible,
+    id,
+    title,
+    className,
+    contentClassName,
+    swipeAreaClassName,
+    allowHideOnContentScroll,
+    hideTopBar,
+    qa,
+}: SheetProps) => {
+    const [open, setOpen] = React.useState(visible);
+    const [prevVisible, setPrevVisible] = React.useState(visible);
+
+    useBodyScrollLock({enabled: open});
+
+    if (!prevVisible && visible) {
+        setOpen(true);
     }
 
-    static restoreBodyScroll() {
-        if (Sheet.bodyScrollLocksCount === 0) {
-            return;
-        }
-
-        if (--Sheet.bodyScrollLocksCount === 0) {
-            document.body.style.overflow = Sheet.bodyInitialOverflow || '';
-            Sheet.bodyInitialOverflow = undefined;
-        }
+    if (visible !== prevVisible) {
+        setPrevVisible(visible);
     }
 
-    bodyScrollLocked = false;
-
-    state: SheetState = {
-        visible: false,
-    };
-
-    componentDidMount() {
-        if (this.props.visible) {
-            this.showSheet();
-        }
-    }
-
-    componentDidUpdate(prevProps: SheetProps) {
-        if (!prevProps.visible && this.props.visible) {
-            this.showSheet();
+    const hideSheet = () => {
+        if (onClose) {
+            onClose();
         }
-    }
-
-    componentWillUnmount() {
-        this.restoreBodyScroll();
-    }
-
-    render() {
-        if (!this.state.visible) {
-            return null;
-        }
-
-        return ReactDOM.createPortal(this.renderSheet(), document.body);
-    }
-
-    restoreBodyScroll() {
-        if (!this.bodyScrollLocked) {
-            return;
-        }
-
-        Sheet.restoreBodyScroll();
-        this.bodyScrollLocked = false;
-    }
+        setOpen(false);
+    };
 
-    lockBodyScroll() {
-        Sheet.lockBodyScroll();
-        this.bodyScrollLocked = true;
+    if (!open) {
+        return null;
     }
 
-    private renderSheet() {
-        const {
-            id,
-            children,
-            className,
-            contentClassName,
-            swipeAreaClassName,
-            title,
-            visible,
-            allowHideOnContentScroll,
-            hideTopBar,
-            qa,
-        } = this.props;
-
-        return (
+    return (
+        <Portal>
             <div data-qa={qa} className={sheetBlock(null, className)}>
                 <SheetContentContainer
                     id={id}
@@ -125,24 +79,9 @@ export class Sheet extends React.Component<SheetProps, SheetState> {
                     visible={visible}
                     allowHideOnContentScroll={allowHideOnContentScroll}
                     hideTopBar={hideTopBar}
-                    hideSheet={this.hideSheet}
+                    hideSheet={hideSheet}
                 />
             </div>
-        );
-    }
-
-    private showSheet = () => {
-        this.lockBodyScroll();
-        this.setState({visible: true});
-    };
-
-    private hideSheet = () => {
-        this.restoreBodyScroll();
-
-        if (this.props.onClose) {
-            this.props.onClose();
-        }
-
-        this.setState({visible: false});
-    };
-}
+        </Portal>
+    );
+};