Function fromBase64

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

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 ]);
  • fromBase64(input: string, encoding?: BufferEncoding): Uint8Array

  • Parameters

    • input: string

      The base64 string to convert to a Uint8Array

    • Optionalencoding: BufferEncoding

      The encoding of the input string (optional)

    Returns Uint8Array

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