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import type { HexString } from '../types.ts';
import { u8aToU8a } from './toU8a.ts';
/** * @name u8aCmp * @summary Compares two Uint8Arrays for sorting. * @description * For `UInt8Array` (or hex string) input values returning -1, 0 or +1 * @example * <BR> * * ```javascript * import { u8aCmp } from 'https://deno.land/x/polkadot@0.2.40/util/mod.ts'; * * u8aCmp(new Uint8Array([0x67, 0x65]), new Uint8Array([0x68, 0x65])); // -1 * u8aCmp(new Uint8Array([0x68, 0x65]), new Uint8Array([0x68, 0x65])); // 0 * u8aCmp(new Uint8Array([0x69, 0x65]), new Uint8Array([0x68, 0x65])); // +1 * ``` */export function u8aCmp (a: HexString | Uint8Array | string, b: HexString | Uint8Array | string): number {  const u8aa = u8aToU8a(a);  const u8ab = u8aToU8a(b);  let i = 0;
  while (true) {    const overA = i >= u8aa.length;    const overB = i >= u8ab.length;
    if (overA && overB) {      // both ends reached      return 0;    } else if (overA) {      // a has no more data, b has data      return -1;    } else if (overB) {      // b has no more data, a has data      return 1;    } else if (u8aa[i] !== u8ab[i]) {      // the number in this index doesn't match      // (we don't use u8aa[i] - u8ab[i] since that doesn't match with localeCompare)      return u8aa[i] > u8ab[i]        ? 1        : -1;    }
    i++;  }}