1 | ;
|
2 |
|
3 | exports.__esModule = true;
|
4 | exports.default = useForceUpdate;
|
5 |
|
6 | var _react = require("react");
|
7 |
|
8 | /**
|
9 | * Returns a function that triggers a component update. the hook equivalent to
|
10 | * `this.forceUpdate()` in a class component. In most cases using a state value directly
|
11 | * is preferable but may be required in some advanced usages of refs for interop or
|
12 | * when direct DOM manipulation is required.
|
13 | *
|
14 | * ```ts
|
15 | * const forceUpdate = useForceUpdate();
|
16 | *
|
17 | * const updateOnClick = useCallback(() => {
|
18 | * forceUpdate()
|
19 | * }, [forceUpdate])
|
20 | *
|
21 | * return <button type="button" onClick={updateOnClick}>Hi there</button>
|
22 | * ```
|
23 | */
|
24 | function useForceUpdate() {
|
25 | // The toggling state value is designed to defeat React optimizations for skipping
|
26 | // updates when they are stricting equal to the last state value
|
27 | var _useReducer = (0, _react.useReducer)(function (state) {
|
28 | return !state;
|
29 | }, false),
|
30 | dispatch = _useReducer[1];
|
31 |
|
32 | return dispatch;
|
33 | } |
\ | No newline at end of file |