http-streaming

Typescript HTTP Streaming

This repository contains an HTTP component that performs a streaming response using WASI I/O and HTTP primitives, written in TypeScript.

This component:

• Uses Typescript for its implementation
• Uses the wasi:http and wasi:io standard WIT definitions
• Streams 1MiB of random bytes in response to all HTTP requests

Dependencies

![WARN] When building this project, ensure you are using a stable NodeJS release.

Use of node version management tools (ex. nvm or more newer NVM compatible tools like fnm) are recommended -- a .nvmrc file is included for easy use.

Building this project relies on the following software:

Name	Description
wash	Wasm Shell controls your [wasmCloud][wasmcloud] host instances and enables building components (version >= 2.0)
npm	Node Package Manager (NPM) which manages packages for the NodeJS ecosystem
node	[NodeJS runtime][nodejs] (see .nvmrc for version)

Quickstart

To get started developing this repository quickly, clone the repo and run wash dev:

wash dev

wash dev does many things for you:

• Starts the wasmCloud host that can run your WebAssembly component
• Builds this project (including necessary npm script targets)
• Deploys an HTTP server on port 8000 and links it to your component
• Watches your code for changes and re-deploys when necessary

Send a request to the running component

Once wash dev is serving your component, to send a request to the running component (via the HTTP server provider):

curl localhost:8000

Adding Capabilities

To learn how to extend this example with additional capabilities, see the TypeScript Language Guide in the wasmCloud documentation.