📦 NEW: Ecosystem tests (#111)

* 📦 NEW: cf worker

* 📦 NEW: node cjs

* 📦 NEW: node esm

* 📦 NEW: Bun

* 📦 NEW: Deno

* 🐛 FIX: instantiation

* 👌 IMPROVE: Deno

* 📦 NEW: Readme

Author: ahmadbilaldev

ecosystem-tests/README.md

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+# Ecosystem Tests
+
+This folder contains minimal tests for the Langbase SDK across different JavaScript runtimes and environments.
+
+## How to Test Each Ecosystem
+
+### Node.js (ESM)
+1. `cd node-esm`
+2. `npm install`
+3. `node index.mjs`
+
+### Node.js (CJS)
+1. `cd node-cjs`
+2. `npm install`
+3. `node index.cjs`
+
+### Bun
+1. `cd bun`
+2. `bun install`
+3. `bun run index.ts`
+
+### Deno
+1. `cd deno`
+2. Make sure you have Deno installed: https://deno.com/manual/getting_started/installation
+3. Run: `deno run --allow-net index.ts`
+   - If you see type errors in your editor, see comments at the top of `index.ts`.
+
+### Cloudflare Worker
+1. `cd cf-worker`
+2. `npm install`
+3. Deploy or run locally using a tool like [`wrangler`](https://developers.cloudflare.com/workers/wrangler/):
+   - `wrangler dev index.ts`
+
+---
+
+- Make sure to set your `LANGBASE_API_KEY` (or replace `'YOUR_API_KEY'` in the code) for tests that require authentication.
+- Each subfolder contains a `README.md` with more specific instructions if needed.

ecosystem-tests/bun/README.md

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+# Bun Ecosystem Test
+
+This test runs a minimal workflow using `[email protected]` in a Bun environment.
+
+## How to Run
+
+- Make sure you have Bun installed: https://bun.sh/docs/installation
+- Install dependencies: `bun install`
+- Run: `bun run index.ts`

ecosystem-tests/bun/index.ts

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+import {Langbase, Workflow} from 'langbase';
+
+async function main() {
+	const langbase = new Langbase({
+		apiKey: 'YOUR_API_KEY', // Replace with actual API key or env var
+	});
+	const workflow = new Workflow({debug: true, langbase});
+	const result = await workflow.step({
+		id: 'hello',
+		run: async () => 'world',
+	});
+	console.log({result});
+}
+
+main().catch(console.error);

ecosystem-tests/bun/package.json

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+{
+	"name": "bun-test",
+	"version": "1.0.0",
+	"type": "module",
+	"private": true,
+	"dependencies": {
+		"langbase": "1.2.0"
+	}
+}

ecosystem-tests/cf-worker/README.md

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+# CF Worker Ecosystem Test
+
+This test runs a minimal workflow using `[email protected]` in a Cloudflare Worker environment.
+
+## How to Run
+
+- Install dependencies: `npm install`
+- Deploy or run locally using a tool like `wrangler`.
+
+The entrypoint is `index.ts`.

ecosystem-tests/cf-worker/index.ts

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+import {Langbase, Workflow} from 'langbase';
+
+export default {
+	async fetch(request: Request) {
+		// Instantiate Langbase
+		const langbase = new Langbase({
+			apiKey: 'YOUR_API_KEY', // Replace with actual API key or env var
+		});
+		// Create workflow with langbase instance
+		const workflow = new Workflow({debug: true, langbase});
+		const result = await workflow.step({
+			id: 'hello',
+			run: async () => 'world',
+		});
+		return new Response(JSON.stringify({result}), {
+			headers: {'content-type': 'application/json'},
+		});
+	},
+};

ecosystem-tests/cf-worker/package.json

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+{
+	"name": "cf-worker-test",
+	"version": "1.0.0",
+	"type": "module",
+	"private": true,
+	"dependencies": {
+		"langbase": "1.2.0"
+	}
+}

ecosystem-tests/deno/README.md

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+# Deno Ecosystem Test
+
+This test runs a minimal workflow using `[email protected]` in a Deno environment.
+
+## How to Run
+
+- Make sure you have Deno installed: https://deno.com/manual/getting_started/installation
+- Run: `deno run --allow-net index.ts`
+
+Note: Deno does not use `package.json`. You must use an npm specifier or import map to use npm packages.

ecosystem-tests/deno/index.ts

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+// If you are using the Deno VSCode extension or Deno CLI for type checking, the following line enables Deno global types:
+// /// <reference types="deno.ns" />
+// If you see 'Cannot find type definition file for deno.ns', you can safely remove the line above unless you are using Deno tooling.
+// Deno will run this file fine without it.
+// @deno-types="npm:[email protected]"
+import {Langbase, Workflow} from 'npm:[email protected]';
+
+async function main() {
+	const langbase = new Langbase({
+		apiKey: Deno.env.get('LANGBASE_API_KEY') ?? 'YOUR_API_KEY',
+	});
+	const workflow = new Workflow({debug: true, langbase});
+	const result = await workflow.step({
+		id: 'hello',
+		run: async () => 'world',
+	});
+	console.log({result});
+}
+
+main().catch(console.error);

ecosystem-tests/node-cjs/README.md

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+# Node.js CJS Ecosystem Test
+
+This test runs a minimal workflow using `[email protected]` in a Node.js CommonJS environment.
+
+## How to Run
+
+- Install dependencies: `npm install`
+- Run: `node index.cjs`