@aws-lambda-powertools/commons/lib/esm/fromBase64.d.ts

A shared utility package for Powertools for AWS Lambda (TypeScript) libraries

/**
 * Convert a base64 string to a Uint8Array.
 *
 * The input string must be a valid base64 string, otherwise an error will be thrown.
 *
 * The encoding parameter is optional and defaults to 'utf-8'.
 *
 * @example
 * ```ts
 * import { fromBase64 } from '@aws-lambda-powertools/commons/utils/base64';
 *
 * const encodedValue = 'aGVsbG8gd29ybGQ=';
 *
 * const decoded = fromBase64(encodedValue);
 * // new Uint8Array([ 97, 71, 86, 115, 98, 71, 56, 103, 100, 50, 57, 121, 98, 71, 81, 61 ]);
 * ```
 *
 * @param input The base64 string to convert to a Uint8Array
 * @param encoding The encoding of the input string (optional)
 */
declare const fromBase64: (input: string, encoding?: BufferEncoding) => Uint8Array;
export { fromBase64 };
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