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0d29d15a46
Much like widget widths, it is acceptable for us to forget what everyone's height was previously at.
28 lines
1.1 KiB
TypeScript
28 lines
1.1 KiB
TypeScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import {Dispatch, SetStateAction, useState} from "react";
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// Hook to simplify interactions with a store-backed state values
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// Returns value and method to change the state value
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export const useStateCallback = <T>(initialValue: T, callback: (v: T) => void): [T, Dispatch<SetStateAction<T>>] => {
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const [value, setValue] = useState(initialValue);
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const interceptSetValue = (newVal: T) => {
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setValue(newVal);
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callback(newVal);
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};
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return [value, interceptSetValue];
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};
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