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import type { U8aLike } from '../types.ts';
import { hexToU8a } from '../hex/toU8a.ts';import { isBuffer } from '../is/buffer.ts';import { isHex } from '../is/hex.ts';import { isU8a } from '../is/u8a.ts';import { stringToU8a } from '../string/toU8a.ts';
/** * @name u8aToU8a * @summary Creates a Uint8Array value from a Uint8Array, Buffer, string or hex input. * @description * `null` or `undefined` inputs returns a `[]` result, Uint8Array values returns the value, hex strings returns a Uint8Array representation. * @example * <BR> * * ```javascript * import { u8aToU8a } from 'https://deno.land/x/polkadot@0.2.40/util/mod.ts'; * * u8aToU8a(new Uint8Array([0x12, 0x34]); // => Uint8Array([0x12, 0x34]) * u8aToU8a(0x1234); // => Uint8Array([0x12, 0x34]) * ``` */export function u8aToU8a (value?: U8aLike | null): Uint8Array {  return isU8a(value)    // NOTE isBuffer needs to go here since it actually extends    // Uint8Array on Node.js environments, so all Buffer are Uint8Array,    // but Uint8Array is not Buffer    ? isBuffer(value)      ? new Uint8Array(value)      : value    : isHex(value)      ? hexToU8a(value)      : Array.isArray(value)        ? new Uint8Array(value)        : stringToU8a(value);}