wrangler

⛅️ wrangler

wrangler is a command line tool for building Cloudflare Workers.

Quick Start

# Make a javascript file
echo "export default { fetch() { return new Response('hello world') } }" > index.js
# try it out
npx wrangler dev index.js
# and then deploy it
npx wrangler deploy index.js --name my-worker
# visit https://my-worker.<your workers subdomain>.workers.dev

Create a Project

# Generate a new project
npx wrangler init my-worker --no-delegate-c3
# try it out
cd my-worker && npm run start
# and then deploy it
npm run deploy

Installation:

$ npm install wrangler --save-dev

Configuration:

Wrangler is configured via a wrangler.toml file in the project root. When utilizing the wrangler init command, a wrangler.toml file will be created for you.

Example:

name = "my-worker"
main = "./src/index.ts" # init w/ TypeScript
compatibility_date = "YYYY-MM-DD"

For more detailed information about configuration, refer to the documentation.

Commands

wrangler init [name]

Creates a Worker project. For details on configuration keys and values, refer to the documentation.

wrangler dev

Start a local development server, with live reloading and devtools.

wrangler deploy

Publish the given script to the worldwide Cloudflare network.

For more commands and options, refer to the documentation.

Pages

wrangler pages dev [directory] [-- command]

Either serves a static build asset directory, or proxies itself in front of a command.

Builds and runs functions from a ./functions directory or uses a _worker.js file inside the static build asset directory.

For more commands and options, refer to the documentation or run wrangler pages dev --help.

Documentation

For the latest Wrangler documentation, click here.

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