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@polkadot/util-crypto

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import { base64 } from '@scure/base'; import { createDecode, createEncode, createIs, createValidate } from '../base32/helpers.js'; const config = { chars: 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/', coder: base64, type: 'base64', withPadding: true }; /** * @name base64Validate * @summary Validates a base64 value. * @description * Validates that the supplied value is valid base64 */ export const base64Validate = /*#__PURE__*/ createValidate(config); /** * @name isBase64 * @description Checks if the input is in base64, returning true/false */ export const isBase64 = /*#__PURE__*/ createIs(base64Validate); /** * @name base64Decode * @summary Decodes a base64 value. * @description * From the provided input, decode the base64 and return the result as an `Uint8Array`. */ export const base64Decode = /*#__PURE__*/ createDecode(config, base64Validate); /** * @name base64Encode * @summary Creates a base64 value. * @description * From the provided input, create the base64 and return the result as a string. */ export const base64Encode = /*#__PURE__*/ createEncode(config);