# Developer Notes

## How to build the source files

### Install Node.js

- Install with the setup package from [Node.js](https://nodejs.org/en/download/)


### Install dependency packages

- From terminal or command line console, run the following commands.

```
npm install esbuild
npm install sass
npm install postcss autoprefixer postcss-cli
```


### Build for all source files

- From terminal or command line console, run the following command.

```
npm run build-all-locally
```


### Bundle and minify the js code

- From terminal or command line console, run the following command.

```
npm run build
```


### Compile from scss to css

- From terminal or command line console, run the following command.

```
npm run build-css
```