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typescript/CONTRIBUTING.md

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Contributing

How-To

Contribute code

  1. Install the dependencies.
  2. Start the wasmCloud host using the wash CLI. Read more about it here.
    1. Ensure the NATS service is running with the websocket listener enabled.
  3. Start a local frontend development server. Read more about it here.
  4. Make changes to the UI.
  5. Commit your changes.
  6. Open a pull request.
  7. Wait for the CI to pass.
  8. Wait for a maintainer to review your changes.
  9. Wait for a maintainer to merge your changes.
  10. 🚀 🏁 Done

Install dependencies

Enable corepack and install yarn using the following commands:

# optional, run only if you haven't enabled corepack before
corepack enable
yarn install

Building ts files

Run the following command to build typescript files in @wasmcloud/.. workspace package to avoid the following error:

Unable to resolve path to module '@wasmcloud/lattice-client-react' import/no-unresolved

yarn run turbo:build

Start a local UI development server

Run the following command to start a local frontend development server:

yarn run dev

Start the wasmCloud Host using wash CLI

Run the following command to start the wasmCloud host using the wash CLI:

wash up

Explanations

NATS

wasmcloud uses NATS as its message broker. The wash CLI can be used to start a local NATS or connect to an existing NATS server.

The Washboard UI connects to a NATS server at ws://localhost:4223 by default, although this can be overridden via the UI.

You can spawn the NATS server with a wasmCloud Host and wadm with the wash cli tool. See the documentation for installation instructions.

wash up

You can change the NATS websocket port using the --nats-websocket-port flag or NATS_WEBSOCKET_PORT environment variable. Note that you must stop the NATS Server to make this change. For example:

# 1. Make sure NATS is stopped
wash down

# 2. Start NATS with the new port
wash up --nats-websocket-port 4001
# or
NATS_WEBSOCKET_PORT=4001 wash up

Otherwise, verify the port you are using to connect to the NATS server. Visit NATS Websocket Configuration for more information.