| // @flow | |
| const SIZE = Object.freeze({ | |
| LARGE: "large", | |
| MEDIUM: "medium", | |
| SMALL: "small" | |
| }) | |
| type ISize = $Values<typeof SIZE> | |
| // props type for Avatar component | |
| type IProps = {| | |
| size: ISize, | |
| |} | |
| const Avatar = (props: IProps) => ( | |
| // ...component details are omitted | |
| ) | |
| // this works | |
| <Avatar size={SIZE.LARGE} /> | |
| // this works as well, althouh it's discouraged | |
| <Avatar size="large" /> | |
| // this gives an error | |
| <Avatar size="larg" /> |
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