69ee8fd96a
* Add commercial licence and update config files
* Update license in headers
* Revert "Update license in headers"
This reverts commit 7ed7949485.
* Update only spdx id
* Remove LicenseRef- from package.json
LicenseRef- no longer allowed in npm v3 package.json
This fixes the warning in the logs and failing build check.
26 lines
843 B
TypeScript
26 lines
843 B
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2021 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE files in the repository root for full details.
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*/
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import { useState } from "react";
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// Hook to simplify managing state of arrays of a common type
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export const useStateArray = <T>(initialSize: number, initialState: T | T[]): [T[], (i: number, v: T) => void] => {
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const [data, setData] = useState<T[]>(() => {
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return Array.isArray(initialState) ? initialState : new Array(initialSize).fill(initialState);
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});
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return [
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data,
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(index: number, value: T) =>
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setData((data) => {
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const copy = [...data];
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copy[index] = value;
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return copy;
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}),
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];
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};
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