title: Base91 description: WebAssembly wrapper for the Base91 encoding library outline: deep

@hpcc-js/wasm-base91

This package provides a WebAssembly wrapper around the Base91 library. This allows for the encoding and decoding of binary data to a more compact form than Base64.

Installation

::: code-group

npm install @hpcc-js/wasm-base91

yarn add @hpcc-js/wasm-base91

pnpm add @hpcc-js/wasm-base91

:::

Quick Start

import { Base91 } from "@hpcc-js/wasm-base91";

const base91 = await Base91.load();

const encoded_data = await base91.encode(data);
const decoded_data = await base91.decode(encoded_data);

Try it

Resource management

Base91 supports dispose() and TypeScript's using declarations (TypeScript 5.2+ with "ESNext.Disposable" in lib). Leaving the scope is equivalent to calling Base91.unload():

import { Base91 } from "@hpcc-js/wasm-base91";

{
    using base91 = await Base91.load();
    const encoded_data = base91.encode(data);
    const decoded_data = base91.decode(encoded_data);
} // Base91.unload() runs here

Base91.load() returns a singleton, so disposing it unloads the module for every caller in the current JavaScript context. Disposing an instance that has already been unloaded does nothing.

Reference

• API Documentation