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@ayan4m1/chatux

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@ayan4m1/chatux

Chat Bot UI / Conversational UI library for Java Script

2.0.0
latest
Source
npm

Version published: 3 weeks ago

Weekly downloads: 2; decreased by-71.43%

Maintainers: 0

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Created: 3 weeks ago

Source

Overview

'chatux' is a library that allows you to easily create chat windows on your PC or mobile

It is licensed under MIT license.

Features

It is an independent and lightweight chat user interface (chat UI) library for javascript.

You can create pages for chat agents and chat bots that support both smartphones and PCs.
For PC, show chat in a window that does not disturb existing content
For mobile devices like smart phones and tablets, chat UI will be overlaid on existing pages to avoid disturbing existing content

Demo

https://ayan4m1.github.io/chatux/

Usage

This demo is simple echo chat. But a few command available.If you write "show buttons", you can see action buttons in chat. Or you write "show image", you can see image in chat.

Example project is available in this repo.

Quick Start

Check this example.

<!doctype html>
<html lang="en">
  <head>
    <title>chatux example</title>
    <meta charset="utf-8" />
    <meta
      name="viewport"
      content="width=device-width, initial-scale=1, maximum-scale=1"
    />
  </head>
  <body style="padding:0px;margin:0px;">
    <div style="padding:40px">
      <h1>chatux example</h1>
      <p>
        Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod
        tempor incididunt ut labore et dolore magna aliqua.
      </p>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/chatux/dist/chatux.min.js"></script>
    <script>
      const chatux = new ChatUx();

      const opt = {
        api: {
          // URL of chat server
          endpoint:
            'https://script.google.com/macros/s/AKfycbwpf8iZfGXkJD6K__oCVQYF35HLBQjYxmKP0Ifrpe_piK4By4rh/exec',
          // HTTP METHOD
          method: 'GET',
          // DATA TYPE
          dataType: 'jsonp',
          // escapeUserInput true:Escaping HTML tags in user input text when submitting to the server. default is false.
          escapeUserInput: true
        },
        window: {
          title: 'My chat',
          infoUrl: 'https://github.com/riversun/chatux'
        }
      };

      //initialize
      chatux.init(opt);
      chatux.start(true);
    </script>
  </body>
</html>

Minimal Example

With NPM

npm install chatux --save

Code

import { ChatUx } from 'chatux';

const chatux = new ChatUx();

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat', //chat server
    method: 'GET', //HTTP METHOD when requesting chat server
    dataType: 'json', //json or jsonp is available
    escapeUserInput: true //true:Escaping HTML tags in user input text when submitting to the server. default is false.
  }
});

chatux.start();

With script tag

<script src="https://cdn.jsdelivr.net/npm/chatux/dist/chatux.min.js"></script>

Code

const chatux = new ChatUx();

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat', //chat server
    method: 'GET', //HTTP METHOD when requesting chat server
    dataType: 'json', //json or jsonp is available
    escapeUserInput: true // true:Escaping HTML tags in user input text when submitting to the server. default is false.
  }
});

chatux.start();

How it works

The system of chatux is very simple.

Let's look at the execution sequence of chatux.

Suppose you have a chat server for chatux at http://localhost:8080/chat Specify server endpoint like this.

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat',
    method: 'GET',
    dataType: 'json',
    escapeUserInput: true // true:Escaping HTML tags in user input text when submitting to the server. default is false.
  }
});

The following is the sequence.

1. chatux sends user input text to chat server.
  GET http://localhost:8080/chat?text=hello
1. The server processes user input text and returns a response as JSON.

{
  "output": [
    {
      "type": "text",
      "value": "You say 'hello'"
    }
  ]
}

1. According to the response, chatux renders the result on the chat screen.

So, if you create chat server that can do this kind of interaction, you can easily create chatbots etc.

Next, let's see how to render.

Chat server

Let's create a simple chat server.

initialize npm project and install express

npm init
npm install express

Write a simple server that returns json.

const express = require('express');
const app = express();
const port = 8080;

// enabling CORS
app.use(function (req, res, next) {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Headers', '*');
  next();
});
app.get('/chat', function (req, res) {
  const userInputText = req.query.text;

  const response = {
    output: []
  };

  const msg = response.output;
  msg.push({
    type: 'text',
    value: `You say ${userInputText}`
  });
  res.json(response);
});

app.listen(port, () => {
  console.log('chat server started on port:' + port);
});

start server

npm start

Access directory

http://localhost:8081/chat?text=hello

You will get JSON for chatux as follows.

{
  "output": [
    {
      "type": "text",
      "value": "You say hello"
    }
  ]
}

Access from ChatUX on browser

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat',
    method: 'GET',
    dataType: 'json',
    escapeUserInput: true
  }
});
chatux.start(true); //true:automatically open chat

Custom query parameters

There are two approaches to specifying query parameters.

1.Custom query parameters can be set at initialization.

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat',
    method: 'GET',
    dataType: 'json',
    params: {
      param1: 'value1',
      param2: 'value2'
    }
  }
});

chat ux will send parameters like 'https://example.com/api?param1=value1&param2=value2'

2.Custom parameters can be set at each request.

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat',
    method: 'GET',
    dataType: 'json'
  },
  methods: {
    onPrepareRequest: (httpClient) => {
      //intercept http request before sending and set query parameters
      httpClient.params.param1 = 'value1';
      httpClient.params.param2 = 'value2';
    },
    onFinishRequest: (httpClient) => {
      //delete params after sending
      delete httpClient.params.param1;
      delete httpClient.params.param2;
    }
  }
});

If nothing is set, only the query parameter named 'text' will be set when you tap send button.

Custom Http Headers

There are two approaches to set http headers.

1.Custom headeres can be set at initialization.

You can specify http-headers like as follows.

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat',
    method: 'GET',
    dataType: 'json',
    escapeUserInput: true,
    headers: {
      Authorization: 'Bearer ABCD123ABCD123ABCD123',
      'X-Additional-Headers': 'something_value'
    }
  }
});

2.Custom headers can be set at each request.

chatux.init({
  api: {
    endpoint: 'http://localhost:8080/chat',
    method: 'GET',
    dataType: 'json',
    escapeUserInput: true
  },
  methods: {
    onPrepareRequest: (httpClient) => {
      httpClient.headers = {};
      httpClient.headers['Authorization'] = 'Bearer ABCD123ABCD123ABCD123';
      httpClient.headers['X-Additional-Headers'] = 'something_value';
    }
  }
});

Note

Http headers cannot be sent when using jsonp.
Don't forget 'Access-Control-Allow-Headers' when accessing with cors :)

How to render a chat UI

Since chatux can render various variations of chat UI, I introduce them below. I want to show raw JSON and code example for chat server respectively.

Show text

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'text',
    value: 'Hello world'
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "text",
      "value": "Hello world!"
    }
  ]
}

RESULT

Show image

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'image',
    value: 'https://avatars1.githubusercontent.com/u/11747460'
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "image",
      "value": "https://avatars1.githubusercontent.com/u/11747460"
    }
  ]
}

RESULT

Show action buttons

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  const opts = [];
  opts.push({ label: 'label1', value: 'value1' });
  opts.push({ label: 'label2', value: 'value2' });
  opts.push({ label: 'label3', value: 'value3' });
  msg.push({ type: 'option', options: opts });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "option",
      "options": [
        {
          "label": "label1",
          "value": "value1"
        },
        {
          "label": "label2",
          "value": "value2"
        },
        {
          "label": "label3",
          "value": "value3"
        }
      ]
    }
  ]
}

RESULT

Show html

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'html',
    value:
      'Click <a href="https://github.com/riversun" target="_blank" >here</a> to open a page.',
    delayMs: 500
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "html",
      "value": "Click <a href=\"https://github.com/riversun\" target=\"_blank\" >here</a> to open a page.",
      "delayMs": 500
    }
  ]
}

RESULT

Show youtube

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  const videoId = 'TP4lxliMHXY'; //youtube video id
  msg.push({
    type: 'youtube',
    value: videoId,
    delayMs: 500 // wait(milliseconds)
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "youtube",
      "value": "TP4lxliMHXY",
      "delayMs": 500
    }
  ]
}

RESULT

Show multiple elements

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'text',
    value: 'What is this?',
    delayMs: 500
  });
  msg.push({
    type: 'image',
    value:
      'https://upload.wikimedia.org/wikipedia/commons/a/a3/Aptenodytes_forsteri_-Snow_Hill_Island%2C_Antarctica_-adults_and_juvenile-8.jpg'
  });
  const opts = [];
  opts.push({ label: 'bob', value: 'value1' });
  opts.push({ label: 'riversun', value: 'value2' });
  opts.push({ label: 'john', value: 'value3' });
  msg.push({ type: 'option', options: opts });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "text",
      "value": "What is this?",
      "delayMs": 500
    },
    {
      "type": "image",
      "value": "https://upload.wikimedia.org/wikipedia/commons/a/a3/Aptenodytes_forsteri_-Snow_Hill_Island%2C_Antarctica_-adults_and_juvenile-8.jpg"
    },
    {
      "type": "option",
      "options": [
        {
          "label": "bob",
          "value": "value1"
        },
        {
          "label": "riversun",
          "value": "value2"
        },
        {
          "label": "john",
          "value": "value3"
        }
      ]
    }
  ]
}

RESULT

Open sub window (ex.Url you want to show)

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'window',
    title: 'iframe page',
    url: 'https://riversun.github.io/i18nice',
    left: 20,
    top: 20,
    width: 400,
    height: 250,
    addYOffset: true,
    overflow: 'hidden',
    backgroundColor: 'black',
    delayMs: 10
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "window",
      "title": "iframe page",
      "url": "https://riversun.github.io/i18nice",
      "left": 20,
      "top": 20,
      "width": 400,
      "height": 250,
      "addYOffset": true
    }
  ]
}

RESULT

Open sub window (ex.Show youtube video on the window)

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'window',
    title: 'youtube movie',
    html:
      '<div style="position: relative; width: 100%; padding-top: 56.25%;background:black;overflow: hidden">' +
      '<iframe style="position: absolute;top: 0;right: 0;width: 100% !important;height: 100% !important;" width="400" height="300"  src="https://www.youtube.com/embed/nepdFs-2V1Y" frameborder="0" allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></div>',
    mobileUrl: 'https://www.youtube.com/embed/nepdFs-2V1Y',
    left: 60,
    top: 60,
    width: 400,
    height: 250,
    addYOffset: true,
    overflow: 'hidden',
    backgroundColor: 'black',
    delayMs: 10 // wait(milliseconds)
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "window",
      "title": "youtube movie",
      "html": "<div style=\"position: relative; width: 100%; padding-top: 56.25%;background:black;overflow: hidden\"><iframe style=\"position: absolute;top: 0;right: 0;width: 100% !important;height: 100% !important;\" width=\"400\" height=\"300\"  src=\"https://www.youtube.com/embed/nepdFs-2V1Y\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen></iframe></div>",
      "mobileUrl": "https://www.youtube.com/embed/nepdFs-2V1Y",
      "left": 60,
      "top": 60,
      "width": 400,
      "height": 250,
      "addYOffset": true,
      "overflow": "hidden",
      "backgroundColor": "black",
      "delayMs": 10
    }
  ]
}

RESULT

Open sub window (ex.Video on Google Drive)

SERVER CODE

app.get('/chat', function (req, res) {
  const response = { output: [] };
  const msg = response.output;
  msg.push({
    type: 'window',
    title: 'google drive movie',
    html:
      '<div style="position: relative; width: 100%; padding-top: 56.25%;background:black;overflow: hidden">' +
      '<iframe  style="position: absolute;top: 0;right: 0;width: 100% !important;height: 100% !important;"  src="https://drive.google.com/file/d/1FfOnq85pQgXtNsZeaF7P_CCsdKzcRrQk/preview" width="400" height="300"></iframe>' +
      '</div>',
    mobileUrl:
      'https://drive.google.com/file/d/1FfOnq85pQgXtNsZeaF7P_CCsdKzcRrQk/preview', //open this url when open on mobile
    left: 100,
    top: 100,
    width: 400,
    height: 250,
    addYOffset: true,
    overflow: 'hidden',
    backgroundColor: 'black',
    delayMs: 10 // wait(milliseconds)
  });
  res.json(response);
});

JSON

{
  "output": [
    {
      "type": "window",
      "title": "google drive movie",
      "html": "<div style=\"position: relative; width: 100%; padding-top: 56.25%;background:black;overflow: hidden\"><iframe  style=\"position: absolute;top: 0;right: 0;width: 100% !important;height: 100% !important;\"  src=\"https://drive.google.com/file/d/something_id/preview\" width=\"400\" height=\"300\"></iframe></div>",
      "mobileUrl": "https://drive.google.com/file/d/something_id/preview",
      "left": 100,
      "top": 100,
      "width": 400,
      "height": 250,
      "addYOffset": true,
      "overflow": "hidden",
      "backgroundColor": "black",
      "delayMs": 10
    }
  ]
}

RESULT

Initialization parameters

The following example shows all ChatUX initialization parameters. You can customize the behavior of ChatUX as you like.

const chatux = new ChatUx();

//init parameters
const opt = {
  renderMode: 'auto', //'auto' or 'pc' or 'mobile'
  buttonOffWhenOpenFrame: false, //true:Turn off wakeup button when the chat window is opened.only for pc mode.
  bot: {
    wakeupText: null, //user input which is automatically send to server on startup
    botPhoto: null, //URL of bot photo image
    humanPhoto: null, //URL of human photo image
    widget: {
      sendLabel: 'SEND', //label for SEND button
      placeHolder: 'Say something' //default caption for input box
    }
  },
  api: {
    endpoint: 'http://localhost:8081/chat', //endpoint of chat server
    method: 'GET', //'GET' or 'POST'
    dataType: 'json', //'json' or 'jsonp'
    errorResponse: {
      output: [
        //Message displayed when a network error occurs when accessing the chat server
        { type: 'text', value: 'Sorry, an error occurred' }
      ]
    },
    //set http headers
    headers: {
      Authorization: 'Bearer ABCD123ABCD123ABCD123',
      'X-Additional-Headers': 'something_value'
    },
    //set query parameters
    params: {
      param1: 'value1',
      param2: 'value2'
    }
  },
  window: {
    title: 'My chat', //window title

    //infoUrl
    // If this value is set, an 'info' icon will appear at the left of the window's
    // title bar, and  clicking this icon will jump to this URL
    infoUrl: 'https://github.com/riversun/chatux',
    size: {
      width: 350, //window width in px
      height: 500, //window height in px
      minWidth: 300, //window minimum-width in px
      minHeight: 300, //window minimum-height in px
      titleHeight: 50 //title bar height in px
    },
    appearance: {
      //border - border style of the window
      border: {
        shadow: '2px 2px 10px  rgba(0, 0, 0, 0.5)',
        width: 0,
        radius: 6
      },
      //titleBar - title style of the window
      titleBar: {
        fontSize: 14,
        color: 'white',
        background: '#4784d4',
        leftMargin: 40,
        height: 40,
        buttonWidth: 36,
        buttonHeight: 16,
        buttonColor: 'white',
        buttons: [
          //Icon named 'hideButton' to close chat window
          {
            fa: 'fas fa-times', //specify font awesome icon
            name: 'hideButton',
            visible: true
          }
        ],
        buttonsOnLeft: [
          //Icon named 'info' to jump to 'infourl' when clicked
          {
            fa: 'fas fa-comment-alt', //specify font awesome icon
            name: 'info',
            visible: true
          }
        ]
      }
    }
  },
  //wakeupButton style
  wakeupButton: {
    right: 20, //right position in pixel
    bottom: 20, //bottom position in pixel
    size: 60, //wakeup button size
    fontSize: 25 //wakeup button font size for fontawesome icon
  },
  //Define a callback method to be called when an event occurs
  methods: {
    onChatWindowCreate: (win) => {
      //Called only once when a chat window is created
      console.log('#onChatWindowCreate');
    },
    onChatWindowPause: (win) => {
      //Called when the chat window is closed
      console.log('#onChatWindowPause');
    },
    onChatWindowResume: (win) => {
      //Called when the chat window is back to open
      console.log('#onChatWindowResume');
    },
    onUserInput: (userInputText) => {
      //Called back when the user enters text.
      //In other words, this method can intercept text input.
      // If it returns true, it is treated as consumed and no user-input-text is sent to the server.
      console.log('#onUserInput userInputText=' + userInputText);
      if (userInputText === 'end') {
        const consumed = true;
        chatux.dispose();
        return consumed;
      }
    },
    //For local test, get the user input text but stop accessing the chat server.
    // onServerProcess: (userInputText) => {
    //     const response = {"output": [{"type": "text", "value": 'You said "' + userInputText + '"'}]};
    //     return response;
    // },
    // onPrepareRequest: (httpClient) => {
    //     httpClient.params.mykey1 = 'valOfmykey1';//set original query param
    // },
    // onFinishRequest: (httpClient) => {
    //     delete httpClient.params.mykey1;
    // },
    onServerResponse: (response) => {
      //A callback that occurs when there is a response from the chat server.
      // You can handle server responses before reflecting them in the chat UI.
      console.log('#onServerResponse response=' + JSON.stringify(response));
      return response;
    }
  }
};

//initialize
chatux.init(opt);

chatux.start(true); //true:open chat UI automatically

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Package last updated on 25 Nov 2024

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Install

@ayan4m1/chatux

Overview

Features

Demo

Usage

Quick Start

Minimal Example

With NPM

Code

With script tag

Code

How it works

Chat server

Custom query parameters

Custom Http Headers

How to render a chat UI

Show text

Show image

Show action buttons

Show html

Show youtube

Show multiple elements

Open sub window (ex.Url you want to show)

Open sub window (ex.Show youtube video on the window)

Open sub window (ex.Video on Google Drive)

Initialization parameters

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