Adding rpa example (#402)

* adding rap challenge example

* adding readme

JS/edgechains/examples/rpa-challenge/.gitignore

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+node_modules
+dist

JS/edgechains/examples/rpa-challenge/jsonnet/main.jsonnet

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+local promptTemplate = |||
+                        go to https://rpachallenge.com/ and click on the start button we have fiels in this pattern First Name  Last Name       Company Name Role in Company Address Email   Phone Number and then fill this fields John     Smith   IT Solutions    Analyst 98 North Road        jsmith@itsolutions.co.uk        40716543298 in the given inputs and click the input with value Submit and then fill this fields Jane Dorsey  MediCare        Medical Engineer        11 Crown Street jdorsey@mc.com  40791345621 in the given inputs and click the input with value Submit and then fill this fields Albert       Kipling Waterfront      Accountant  22 Guild Street  kipling@waterfront.com  40735416854 in the given inputs and click the input with value Submit and then fill this fields Michael      Robertson       MediCare        IT Specialist   17 Farburn Terrace      mrobertson@mc.com       40733652145 in the given inputs and click the input with value Submit and then fill this fields Doug Derrick Timepath Inc.   Analyst      99 Shire Oak Road       dderrick@timepath.co.uk 40799885412 in the given inputs and click the input with value Submit and then fill this fields Jessie       Marlowe Aperture Inc.   Scientist       27 Cheshire Street      jmarlowe@aperture.us40733154268 in the given inputs and click the input with value Submit and then fill this fields Stan     Hamm    Sugarwell   Advisor  10 Dam Road     shamm@sugarwell.org     40712462257 in the given inputs and click the input with value Submit and then fill this fields Michelle     Norton  Aperture Inc.   Scientist       13 White Rabbit Street  mnorton@aperture.us     40731254562 in the given inputs and click the input with value Submit and then fill this fields Stacy        Shelby  TechDev HR Manager   19 Pineapple Boulevard  sshelby@techdev.com     40741785214 in the given inputs and click the input with value Submit and then fill this fields Lara Palmer  Timepath Inc.   Programmer      87 Orange Street        lpalmer@timepath.co.uk  40731653845 in the given inputs and click the input with value Submit
+                       |||;
+
+local key = std.extVar('openai_api_key');
+local content = arakoo.native("call")({task:promptTemplate, openai:key});
+
+content

JS/edgechains/examples/rpa-challenge/jsonnet/secrets.jsonnet

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+
+local OPENAI_API_KEY = "sk-***";
+
+{
+    "openai_api_key":OPENAI_API_KEY,
+}
+

JS/edgechains/examples/rpa-challenge/package.json

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+{
+    "name": "summarizer-app",
+    "version": "1.0.0",
+    "description": "",
+    "main": "index.js",
+    "type": "module",
+    "keywords": [],
+    "author": "",
+    "scripts": {
+        "start": "tsc && node --experimental-wasm-modules ./dist/index.js"
+    },
+    "license": "ISC",
+    "dependencies": {
+        "@arakoodev/edgechains.js": "file:../../arakoodev",
+        "@arakoodev/jsonnet": "^0.25.0",
+        "file-uri-to-path": "^2.0.0",
+        "path": "^0.12.7",
+        "sync-rpc": "^1.3.6",
+        "zod": "^3.23.8"
+    },
+    "devDependencies": {
+        "@types/node": "^20.14.1",
+        "@types/request": "^2.48.12"
+    }
+}

JS/edgechains/examples/rpa-challenge/readme.md

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+## Video
+
+    ```
+    https://youtu.be/iqph8HA4nas
+    ```
+
+## Installation
+
+1. Install the required dependencies:
+
+    ```bash
+    npm install
+    ```
+
+## Configuration
+
+1 Add OpenAiApi key in secrets.jsonnet
+`bash
+    local OPENAI_API_KEY = "sk-****";
+    `
+
+## Usage
+
+1. Start the server:
+
+    ```bash
+    npm run start
+    ```
+
+2. Hit the `GET` endpoint.
+
+    ```bash
+
+    http://localhost:3000/
+    ```

JS/edgechains/examples/rpa-challenge/src/index.ts

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+import { ArakooServer } from "@arakoodev/edgechains.js/arakooserver";
+import Jsonnet from "@arakoodev/jsonnet";
+//@ts-ignore
+import createClient from "@arakoodev/edgechains.js/sync-rpc";
+import fileURLToPath from "file-uri-to-path";
+import path from "path";
+const server = new ArakooServer();
+
+const app = server.createApp();
+
+const jsonnet = new Jsonnet();
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const call = createClient(path.join(__dirname, "./lib/playwright.cjs"));
+app.get("/", async (c: any) => {
+    const key = JSON.parse(
+        jsonnet.evaluateFile(path.join(__dirname, "../jsonnet/secrets.jsonnet"))
+    ).openai_api_key;
+
+    jsonnet.extString("openai_api_key", key);
+    jsonnet.javascriptCallback("call", call);
+    let response = jsonnet.evaluateFile(path.join(__dirname, "../jsonnet/main.jsonnet"));
+    return c.text(response);
+});
+
+server.listen(3000);

JS/edgechains/examples/rpa-challenge/src/lib/playwright.ts

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+import { Playwright } from "@arakoodev/edgechains.js/scraper";
+
+async function call({ task, openai }: { task: string, openai: string }) {
+    const scraper = new Playwright({ apiKey: openai });
+    try {
+        return await scraper.call({ task, headless: false });
+    } catch (error) {
+        console.log(error);
+    }
+}
+
+module.exports = call;

JS/edgechains/examples/rpa-challenge/tsconfig.json

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+{
+    "compilerOptions": {
+        "target": "ES2022",
+        "moduleResolution": "NodeNext",
+        "module": "NodeNext",
+        "rootDir": "./src",
+        "outDir": "./dist",
+        "esModuleInterop": true,
+        "forceConsistentCasingInFileNames": true,
+        "strict": true,
+        "skipLibCheck": true,
+        "jsx": "react-jsx",
+        "jsxImportSource": "hono/jsx"
+    },
+    "exclude": ["./**/*.test.ts", "vitest.config.ts"]
+}