@ethersproject/base64 is a utility package from the ethers.js library that provides functions for encoding and decoding data in Base64 format. It is particularly useful in the context of Ethereum and blockchain development, where data often needs to be encoded or decoded for various purposes such as data storage, transmission, and smart contract interactions.

What are @ethersproject/base64's main functionalities?

Base64 Encoding

This feature allows you to encode a string into Base64 format. The `encode` function takes a string as input and returns its Base64 encoded representation.

const { encode } = require('@ethersproject/base64');
const data = 'Hello, world!';
const encodedData = encode(data);
console.log(encodedData);

Base64 Decoding

This feature allows you to decode a Base64 encoded string back to its original format. The `decode` function takes a Base64 encoded string as input and returns the decoded string.

const { decode } = require('@ethersproject/base64');
const encodedData = 'SGVsbG8sIHdvcmxkIQ==';
const decodedData = decode(encodedData);
console.log(decodedData);

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Readme

Source

Base64 Coder

function decode(textData: string): Uint8Array

Decodes a base64 encoded string into the binary data.

import * as base64 from "@ethersproject/base64";

let encodedData = "...";
let data = base64.decode(encodedData);
console.log(data);
// { Uint8Array: [] }

function encode(data: Arrayish): string

Decodes a base64 encoded string into the binary data.

import * as base64 from "@ethersproject/base64";

let data = [ ];
let encodedData = base64.encode(data);
console.log(encodedData);
// "..."

License

MIT License

Keywords

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Last updated on 24 May 2022

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