common/docs/util/modules/_compact_fromu8a_.md

Functions

compactFromU8a

▸ compactFromU8a(_input: Uint8Array | string, bitLength?: BitLength): [number, BN]

Defined in compact/fromU8a.ts:26

name: compactFromU8a

description: Retrievs the offset and encoded length from a compact-prefixed value

example:

import { compactFromU8a } from '@polkadot/util';

const [offset, length] = compactFromU8a(new Uint8Array([254, 255, 3, 0]), 32));

console.log('value offset=', offset, 'length=', length); // 4, 0xffff

Parameters:

Name	Type	Default value
_input	Uint8Array	string
Default value bitLength	BitLength	DEFAULT_BITLENGTH

Returns: [number, BN]

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