@polkadot/util
Version:
A collection of useful utilities for @polkadot
18 lines (17 loc) • 620 B
TypeScript
import type { HexString } from '../types.js';
/**
* @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 '@polkadot/util';
*
* numberToHex(0x1234); // => '0x1234'
* numberToHex(0x1234, 32); // => 0x00001234
* ```
*/
export declare function numberToHex(value?: number | null, bitLength?: number): HexString;