Simple chatbot sample

This is a simple chatbot demo built with Express, node-nlp, ReactJS and Redux.

Project Structure

.
├── chtbot-api
└── chatbot-ui

chatbot-api: Contains backend codes written in Express and the natural language utilities node-nlp chatbot-ui: Contains frontend codes written in ReactJS and Redux

Install packages need for the project

Install npm packages in project root folder, ./chatbot-api and ./chatbot-ui first using npm install.

To start the project

To start the frontend and backend concurrently,run npm start in project root folder.

To start backend only, run npm start in ./chatbot-api. The Express server default serves at port 3100.

To start the frontend only, run npm start in ./chatbot-ui.

To start the development environment

To start the development encironment of frontend and backend concurrently,run npm run dev in project root folder.

To start backend only, run npm run dev in ./chatbot-api. The Express server default serves at port 3100.

To start the frontend only, run npm start in ./chatbot-ui.

Project Settings

To change the default port of Express server: Change the variable PORT which can be found inside ./chatbot-api/.env.

To change the default API domain in frontend: Change the variable REACT_APP_API_DOMAIN which can be found inside ./chatbot-ui/.env.

Adding data to train the chatbot

The mapping of question and answers are put inside ./chatbot-api/data/questions and ./chatbot-api/data/answers. The data will then be used by node-nlp.

For details node-nlp please read example usage provided by node-nlp.

Node version

• Node >= 9

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Special thanks

All my friends who have given me comments on this project. It really helped me a lot in making this project better!