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