#### With image
```jsx
const mediaItem = {
thumbnailObjectUrl: 'https://placekitten.com/76/67',
contentType: 'image/jpeg',
attachment: {
fileName: 'foo.jpg',
contentType: 'image/jpeg',
},
};
;
```
#### With video
```jsx
const mediaItem = {
thumbnailObjectUrl: 'https://placekitten.com/76/67',
contentType: 'video/mp4',
attachment: {
fileName: 'foo.jpg',
contentType: 'video/mp4',
},
};
;
```
#### Missing image
```jsx
const mediaItem = {
contentType: 'image/jpeg',
attachment: {
fileName: 'foo.jpg',
contentType: 'image/jpeg',
},
};
;
```
#### Missing video
```jsx
const mediaItem = {
contentType: 'video/mp4',
attachment: {
fileName: 'foo.jpg',
contentType: 'video/mp4',
},
};
;
```
#### Image thumbnail failed to load
```jsx
const mediaItem = {
thumbnailObjectUrl: 'nonexistent',
contentType: 'image/jpeg',
attachment: {
fileName: 'foo.jpg',
contentType: 'image/jpeg',
},
};
;
```
#### Video thumbnail failed to load
```jsx
const mediaItem = {
thumbnailObjectUrl: 'nonexistent',
contentType: 'video/mp4',
attachment: {
fileName: 'foo.jpg',
contentType: 'video/mp4',
},
};
;
```
#### Other contentType
```jsx
const mediaItem = {
contentType: 'application/json',
attachment: {
fileName: 'foo.jpg',
contentType: 'application/json',
},
};
;
```