| 1 | import * as React from 'react';
|
| 2 | import type { LayoutChangeEvent } from 'react-native';
|
| 3 |
|
| 4 | export default function useLayout() {
|
| 5 | const [layout, setLayout] = React.useState<{
|
| 6 | height: number;
|
| 7 | width: number;
|
| 8 | measured: boolean;
|
| 9 | }>({ height: 0, width: 0, measured: false });
|
| 10 |
|
| 11 | const onLayout = React.useCallback(
|
| 12 | (e: LayoutChangeEvent) => {
|
| 13 | const { height, width } = e.nativeEvent.layout;
|
| 14 |
|
| 15 | if (height === layout.height && width === layout.width) {
|
| 16 | return;
|
| 17 | }
|
| 18 |
|
| 19 | setLayout({
|
| 20 | height,
|
| 21 | width,
|
| 22 | measured: true,
|
| 23 | });
|
| 24 | },
|
| 25 | [layout.height, layout.width]
|
| 26 | );
|
| 27 |
|
| 28 | return [layout, onLayout] as const;
|
| 29 | }
|