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mojo-perception

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mojo-perception

Mojo Perception Javascript API

2.0.0
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Mojo Perception Javascript API

Use Mojo Perception API as a Javascript module both for web and Node.js applications.

Installation

If you use npm, install mojo-perception-js module:

npm install mojo-perception

If you only need a browser usage, add the script in the <head> section

<script type="text/javascript" src="https://developer.mojo.ai/mojo-perception.min.js"></script>

Usage

loadMojoPerception

This function returns a Promise that resolves with a MojoPerception object once mojo-perception.js has loaded.

import {loadMojoPerception} from 'mojo-perception';

const mojoPerception = await loadMojoPerception('auth_token');

Please note that the user token 'auth_token' is different from the API Key.

🙏 We take a particular care with publishable user token for web applications. See below for more info and best practices.

Best Practices : One token per web user

To make things safe and easy, we have a REST API ready to create user tokens on-the-fly.

When using the API for a web application, you should implement a backend function that will get a token for each user. We recommend to use tokens with expiration date.

To do so, you can use the REST API of Mojo Perception API.

Below, an example using curl:

In your terminal, replace <YOUR_API_KEY_HERE> by one of your API Keys and run :

curl -X PUT -i -H 'Authorization: <YOUR_API_KEY_HERE>' -d '{"datetime": "2022-01-01T00:00:00.000000","expiration":360}' -H 'Content-Type: application/json' https://api.mojo.ai/mojo_perception_api/user

This will give you something like this, and note that we have set expiration: 360, for a 60 x 60 seconds duration period :

HTTP/2 200 
server: nginx
date: Tue, 18 Jan 2022 16:53:54 GMT
content-type: application/json
content-length: 350

{"user_namespace": "a5fa97ded6584cb4a7ff3933aa66025c", "auth_token": "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpYXQiOjE2NDI1MjQ4MzQsInN1YiI6ImE1ZmE5N2RlLWQ2NTgtNGNiNC1hN2ZmLTM5MzliYTY2MDI1YyIsImV4cCI6MTY0MjUyNDg0NH0.7FuLJ6Hmozi2DbX9zooVxYvnp_f91H4vzodstDZbLzI", "host_name": "socket.mojo.ai", "port": "443"}

You can use the auth_token and given host_name, port and user_namespace to configure your API endpoint in the API, with the setOptions() method.

Checkout the Tutorials

💡   Have a look to the tutorials section

Troubleshooting

1️⃣   If you face a "JsonWebTokenError", maybe that's because of the expiration. You can try to increase the user token duration to match your need. Default value of 360 seconds might be too short.

2️⃣   When you code your web application, you might have some issues because of browser caching. Don't forget to force refresh to stay up do date with your code.

mojo-perception-js Documentation

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Package last updated on 16 Nov 2022

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