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import type { HexString } from '../types.ts';
import { hexFixLength } from '../hex/fixLength.ts';
/** * @name numberToHex * @summary Creates a hex value from a number. * @description * `null`/`undefined`/`NaN` inputs returns an empty `0x` result. `number` input values return the actual bytes value converted to a `hex`. With `bitLength` set, it converts the number to the equivalent size. * @example * <BR> * * ```javascript * import { numberToHex } from 'https://deno.land/x/polkadot@0.2.33/util/mod.ts'; * * numberToHex(0x1234); // => '0x1234' * numberToHex(0x1234, 32); // => 0x00001234 * ``` */export function numberToHex (value?: number | null, bitLength = -1): HexString {  const hex = (!value || Number.isNaN(value) ? 0 : value).toString(16);
  return hexFixLength(hex.length % 2 ? `0${hex}` : hex, bitLength, true);}