#Hackle JavaScript SDK(Node.js)

Install

1npm install @hackler/hackle-sdk --save

Usage

Install & Decide the variation

1const http = require("http");
2const Hackle = require("@hackler/hackle-sdk");
3
4const hackleClient = Hackle.createInstance("YOUR_SDK_KEY");
5
6http.createServer((req, res) => {
7    const user = {
8      id: USER_ID
9    }   
10    const variation = hackleClient.variation(AB_TEST_KEY, user);
11    
12    if (variation === "A") {
13      // AS-IS Code
14    } else if (variation === "B") {
15      // TO-BE Code
16    }
17
18    res.end(`Hello ${variation}!`)
19}).listen(8080)

Records the event

1hackleClient.track(EVENT_KEY, user);

or

1const event = {
2  key: EVENT_KEY,
3  value: 5000,
4  properties: {
5    app_version: "1.0.0",
6    first_paying: false,
7    item_count: 5
8  }
9}
10hackleClient.track(event, user);