Files
pezkuwi-common/packages/util/src/float/toU8a.ts
T
pezkuwichain ec06da0ebc Initial rebrand: @polkadot -> @pezkuwi (14 packages)
- Package namespace: @polkadot/* -> @pezkuwi/*
- Repository: polkadot-js/common -> pezkuwichain/pezkuwi-common
- Author: Pezkuwi Team <team@pezkuwichain.io>

Core packages:
- @pezkuwi/util (utilities)
- @pezkuwi/util-crypto (crypto primitives)
- @pezkuwi/keyring (account management)
- @pezkuwi/networks (chain metadata)
- @pezkuwi/hw-ledger (Ledger hardware wallet)
- @pezkuwi/x-* (10 polyfill packages)

Total: 14 packages
Upstream: polkadot-js/common v14.0.1
2026-01-05 14:00:34 +03:00

31 lines
942 B
TypeScript

// Copyright 2017-2025 @polkadot/util authors & contributors
// SPDX-License-Identifier: Apache-2.0
interface Options {
bitLength?: 32 | 64;
isLe?: boolean;
}
/**
* @name floatToU8a
* @description Converts a float into a U8a representation (While we don't use BE in SCALE
* we still allow for either representation, although, as elsewhere, isLe is default)
*/
// eslint-disable-next-line @typescript-eslint/ban-types
export function floatToU8a (value: String | string | number | Number = 0.0, { bitLength = 32, isLe = true }: Options = {}): Uint8Array {
if (bitLength !== 32 && bitLength !== 64) {
throw new Error('Invalid bitLength provided, expected 32 or 64');
}
const result = new Uint8Array(bitLength / 8);
const dv = new DataView(result.buffer, result.byteOffset);
if (bitLength === 32) {
dv.setFloat32(0, Number(value), isLe);
} else {
dv.setFloat64(0, Number(value), isLe);
}
return result;
}