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Jitsu Functions
Unlock the full potential of your data

Website

Web app

HTTP API

function.js

export default async function(event, { log, props, store }) {
  if (event.type === "identify") {
    if (await store.set(`signup/${event.traits.email}`)) {
      log(`User ${event.traits.email} already signed up`);
    } else {
      await store.set(`signup/${event.traits.email}`, true);
      await fetch(`https://slack.com/api/chat.postMessage`, {
        method: "POST",
        body: JSON.stringify({
          token: props.SLACK_TOKEN,
          channel: props.CHANNEL_ID,
          text: `Hooray! We have new user ${event.traits.email}`
        })
      });
    }
  }
}

Warehouse

Webhook

Cloud

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./transform.js

async function transform(event, { log, props, store }) {
  if (event.type === "page_view") {
    event.type = "page";
  }
  if (event.userId === "integration-tests") {
    return;
  }
}

export default transform;

Transform

Transform your incoming data with Javascript. Fix malformed events, rename fields or filter out unwanted data.

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function.js

export default async function(event, { log, props, store }) {
  let profile = {};
  let uid = event.userId;
  if (uid) {
    const res = await fetch(`${props.USER_SERVICE}/${uid}`);
    profile = res.json();
  }
  event.traits = {...event.traits, ...profile};
  await fetch(`https://eventq.service.com`, {
    method: "POST",
    body: JSON.stringify(event),
  })
}

Call APIs

Jitsu Functions Runtime includes a complete Fetch API, allowing easy connection to outside services for enhancing data or sending data to various locations.

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function.js

export default async function(event, { log, props, store }) {
  if (!event.type === "identify" || !event.userId) {
    return;
  }
  const secondLogin = await store.get(`first_login/${event.userId}`);
  if (!secondLogin) {
    event.properties.firstLogin = true;
    await store.set(`first_login/${event.userId}`, true);
  }
}

Persist

Make your function stateful by using embedded key-value storage. Cache data, or store user preferences

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function.js

import lodash from 'lodash';

function fixEvent(event) {
  return lodash.omit(event, "server-id", "auth-token");
}

export default fixEvent;

Use libraries
Coming soon

Use Javascript ecosystem in full, including imports of NPM libraries. Bundle you function with Jitsu CLI, and deploy it to the cloud in a few clicks.

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vklmn@devbox:~/sample-function

❯ npx create-jitsu-app --name sample-function
✨ Creating a new Jitsu app...
🚀 Installing packages
👍 Success! Happy hacking!
❯ npm run build
❯ jitsu-cli login
❯ npm run deploy

Deploy
Coming soon

With Jitsu CLI, you can deploy the functions to the cloud. Test modifications locally using the Jitsu testing toolkit before implementing them in production. Manage your code using your preferred tools and integrate with any CI/CD system as needed.

Learn more