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import type { HexString, ToBigInt, ToBn } from '../types.ts';
import { hexToBn } from '../hex/toBn.ts';import { isBigInt } from '../is/bigInt.ts';import { isHex } from '../is/hex.ts';import { isToBigInt } from '../is/toBigInt.ts';import { isToBn } from '../is/toBn.ts';import { BN } from './bn.ts';
/** * @name bnToBn * @summary Creates a BN value from a BN, bigint, string (base 10 or hex) or number input. * @description * `null` inputs returns a `0x0` result, BN values returns the value, numbers returns a BN representation. * @example * <BR> * * ```javascript * import BN from 'https://esm.sh/bn.js@5.2.1'; * import { bnToBn } from 'https://deno.land/x/polkadot@0.2.33/util/mod.ts'; * * bnToBn(0x1234); // => BN(0x1234) * bnToBn(new BN(0x1234)); // => BN(0x1234) * ``` */export function bnToBn <ExtToBn extends ToBigInt | ToBn> (value?: HexString | ExtToBn | BN | bigint | string | number | null): BN {  return value    ? BN.isBN(value)      ? value      : isHex(value)        ? hexToBn(value.toString())        : isBigInt(value)          ? new BN(value.toString())          : isToBn(value)            ? value.toBn()            : isToBigInt(value)              ? new BN(value.toBigInt().toString())              : new BN(value)    : new BN(0);}