18 lines
472 B
TypeScript
18 lines
472 B
TypeScript
// Copyright 2017-2022 @polkadot/util authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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/**
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* @name arrayUnzip
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* @description Splits a single [K, V][] into [K[], V[]]
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*/
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export function arrayUnzip <K, V> (entries: readonly [K, V][]): [K[], V[]] {
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const keys = new Array<K>(entries.length);
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const values = new Array<V>(entries.length);
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for (let i = 0; i < entries.length; i++) {
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[keys[i], values[i]] = entries[i];
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}
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return [keys, values];
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}
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