ghost-keychain/packages/extension-ui/src/hooks/useMetadata.ts
Jaco Greeff 837fb52a3a
Bumps w/ eslint (#338)
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2020-05-24 12:17:53 +02:00

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TypeScript

// Copyright 2019-2020 @polkadot/extension-ui authors & contributors
// This software may be modified and distributed under the terms
// of the Apache-2.0 license. See the LICENSE file for details.
import { Chain } from '@polkadot/extension-chains/types';
import { useEffect, useState } from 'react';
import { getMetadata } from '../messaging';
export default function useMetadata (genesisHash?: string | null): Chain | null {
const [chain, setChain] = useState<Chain | null>(null);
useEffect((): void => {
getMetadata(genesisHash).then(setChain).catch(console.error);
}, [genesisHash]);
return chain;
}