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frontend/lib/src/components/shared/WindowDimensions/Provider.tsx
45 строк
2 KB
Ken McGrady
Update copyright header to 2026 (#13491)
02 янв 2026, 16:21
Не верифицирован
02 янв 2026, 16:21
374540a
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/** * Copyright (c) Streamlit Inc. (2018-2022) Snowflake Inc. (2022-2026) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import { FC, PropsWithChildren, useContext } from "react" import { WindowDimensionsContext } from "~lib/components/shared/WindowDimensions" import { useWindowDimensions } from "~lib/components/shared/WindowDimensions/useWindowDimensions" /** * Registers the current window dimensions in the context. A runtime error will * be thrown if used multiple times. Since it listens to window resize events, * any additional instances would cause unnecessary performance overhead. */ export const WindowDimensionsProvider: FC<PropsWithChildren> = ({ children, }) => { const dimensions = useWindowDimensions() const existingDimensions = useContext(WindowDimensionsContext) if (existingDimensions) { throw new Error( "WindowDimensionsProvider should only be used once per app. If you need to read window dimensions, utilize `useWindowDimensionsContext()` instead." ) } return ( <WindowDimensionsContext.Provider value={dimensions}> {children} </WindowDimensionsContext.Provider> ) }