# Constants

### FONT_FAMILY

**How to use**

```js
import { FONT_FAMILY } from "@excalidraw/excalidraw";
```

`FONT_FAMILY` contains all the font families used in `Excalidraw` as explained below

| Font Family | Description            |
| ----------- | ---------------------- |
| `Virgil`    | The `handwritten` font |
| `Helvetica` | The `Normal` Font      |
| `Cascadia`  | The `Code` Font        |

Defaults to `FONT_FAMILY.Virgil` unless passed in `initialData.appState.currentItemFontFamily`.

### THEME

**How to use**

```js
import { THEME } from "@excalidraw/excalidraw";
```

`THEME` contains all the themes supported by `Excalidraw` as explained below

| Theme   | Description       |
| ------- | ----------------- |
| `LIGHT` | The `light` theme |
| `DARK`  | The `Dark` theme  |

Defaults to `THEME.LIGHT` unless passed in `initialData.appState.theme`

### MIME_TYPES

[`MIME_TYPES`](https://github.com/excalidraw/excalidraw/blob/master/packages/excalidraw/constants.ts#L101) contains all the mime types supported by `Excalidraw`.

**How to use **

```js
import { MIME_TYPES } from "@excalidraw/excalidraw";
```
