@technobuddha > library > Binary > Encoding

Function: decodeBase64Url()

Decodes a string of data which has been encoded using Base64Url encoding.

You can use the encodeBase64Url method to encode and transmit data which may otherwise cause communication problems, then transmit it and use the decodeBase64Url method to decode the data again. For example, you can encode, transmit, and decode control characters.

Remarks

Whitespace within the Base64 encoded string is ignored.

Throws

TypeError If the input string is not correctly encoded.

Call Signature

function decodeBase64Url(input: string): Uint8Array;

Defined in: decode-base64-url.ts:16

Decode a Base64Url encoded string and output in binary format.

Parameters

Parameter	Type	Description
input	string	A string containing the Base64 encoded data to decode.

Returns

Uint8Array

An Uint8Array containing the decoded data.

Example

decodeBase64('SGVsbG8sIHdvcmxkIQ==');
// Uint8Array([72, 101, 108, 108, 111, 44, 32, 119, 111, 114, 108, 100, 33])

Call Signature

function decodeBase64Url(input: string, encoding: TextEncoding): string;

Defined in: src/decode-base64-url.ts:29

Decode a Base64Url encoded string as a string with the specified text encoding.

Parameters

Parameter	Type	Description
input	string	A string containing the Base6Url encoded data to decode.
encoding	TextEncoding	The text encoding to use for the decoded string.

Returns

string

An string containing the decoded data.

Example

decodeBase64('SGVsbG8sIHdvcmxkIQ==', 'utf-8');
// "Hello, world!"