To generate api reference documentation use the following command under the root directory.

JSDoc supports Node.js 4.2.0 and later. You can install JSDoc globally or in your project's node_modules folder. To install the latest version on npm globally (may require sudo; learn how to fix this):

npm install -g jsdoc

To install the latest version on npm locally and save it in your package's package.json file:

npm install --save-dev jsdoc

jsdoc -c path/to/config/file