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[REF] hooks: better implementation of onMounted/onWillUnmount

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Géry Debongnie
2019-09-28 21:11:32 +02:00
parent 090880f478
commit f6820bb8ac
4 changed files with 23 additions and 14 deletions
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src/hooks.ts
+12 -10
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@@ -33,13 +33,11 @@ export function useState<T>(state: T): T {
* Mounted hook. The callback will be called when the current component is
* mounted. Note that the component mounted method is called first.
*/
let nextID = 1;
export function onMounted(cb) {
const component: Component<any, any> = Component._current;
const current = component.mounted;
component.mounted = function() {
current.call(component);
cb();
};
component.__owl__.mountedHandlers[`h${nextID++}`] = cb;
}
/**
@@ -48,11 +46,15 @@ export function onMounted(cb) {
*/
export function onWillUnmount(cb) {
const component: Component<any, any> = Component._current;
const current = component.willUnmount;
component.willUnmount = function() {
cb();
current.call(component);
};
if (component.__owl__.willUnmountCB) {
const current = component.__owl__.willUnmountCB;
component.__owl__.willUnmountCB = function() {
cb.call(component);
current.call(component);
};
} else {
component.__owl__.willUnmountCB = cb;
}
}
/**