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fix(react): adding multiple subscriptions to lifecycle events, fixes #19792 (#19858)

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This commit is contained in:
Ely Lucas
2019-11-07 11:55:47 -07:00
committed by Ely Lucas
parent 9864c17c1c
commit 3e14a57f84
2 changed files with 35 additions and 33 deletions
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42
packages/react/src/contexts/IonLifeCycleContext.tsx
View File

@ -22,52 +22,46 @@ export const IonLifeCycleContext = /*@__PURE__*/React.createContext<IonLifeCycle
ionViewDidLeave: () => { return; },
});
type LifeCycleCallback = () => void;
export const DefaultIonLifeCycleContext = class implements IonLifeCycleContextInterface {
ionViewWillEnterCallback?: () => void;
ionViewDidEnterCallback?: () => void;
ionViewWillLeaveCallback?: () => void;
ionViewDidLeaveCallback?: () => void;
ionViewWillEnterCallbacks: LifeCycleCallback[] = [];
ionViewDidEnterCallbacks: LifeCycleCallback[] = [];
ionViewWillLeaveCallbacks: LifeCycleCallback[] = [];
ionViewDidLeaveCallbacks: LifeCycleCallback[] = [];
componentCanBeDestroyedCallback?: () => void;
onIonViewWillEnter(callback: () => void) {
this.ionViewWillEnterCallback = callback;
onIonViewWillEnter(callback: LifeCycleCallback) {
this.ionViewWillEnterCallbacks.push(callback);
}
ionViewWillEnter() {
if (this.ionViewWillEnterCallback) {
this.ionViewWillEnterCallback();
}
this.ionViewWillEnterCallbacks.forEach(cb => cb());
}
onIonViewDidEnter(callback: () => void) {
this.ionViewDidEnterCallback = callback;
onIonViewDidEnter(callback: LifeCycleCallback) {
this.ionViewDidEnterCallbacks.push(callback);
}
ionViewDidEnter() {
if (this.ionViewDidEnterCallback) {
this.ionViewDidEnterCallback();
}
this.ionViewDidEnterCallbacks.forEach(cb => cb());
}
onIonViewWillLeave(callback: () => void) {
this.ionViewWillLeaveCallback = callback;
onIonViewWillLeave(callback: LifeCycleCallback) {
this.ionViewWillLeaveCallbacks.push(callback);
}
ionViewWillLeave() {
if (this.ionViewWillLeaveCallback) {
this.ionViewWillLeaveCallback();
}
this.ionViewWillLeaveCallbacks.forEach(cb => cb());
}
onIonViewDidLeave(callback: () => void) {
this.ionViewDidLeaveCallback = callback;
onIonViewDidLeave(callback: LifeCycleCallback) {
this.ionViewDidLeaveCallbacks.push(callback);
}
ionViewDidLeave() {
if (this.ionViewDidLeaveCallback) {
this.ionViewDidLeaveCallback();
}
this.ionViewDidLeaveCallbacks.forEach(cb => cb());
this.componentCanBeDestroyed();
}

26
packages/react/src/lifecycle/hooks.ts
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@ -1,23 +1,31 @@
import { useContext } from 'react';
import { useContext, useEffect } from 'react';
import { IonLifeCycleContext } from '../contexts/IonLifeCycleContext';
export const useIonViewWillEnter = (callback: () => void) => {
const value = useContext(IonLifeCycleContext);
value.onIonViewWillEnter(callback);
const context = useContext(IonLifeCycleContext);
useEffect(() => {
context.onIonViewWillEnter(callback);
}, []);
};
export const useIonViewDidEnter = (callback: () => void) => {
const value = useContext(IonLifeCycleContext);
value.onIonViewDidEnter(callback);
const context = useContext(IonLifeCycleContext);
useEffect(() => {
context.onIonViewDidEnter(callback);
}, []);
};
export const useIonViewWillLeave = (callback: () => void) => {
const value = useContext(IonLifeCycleContext);
value.onIonViewWillLeave(callback);
const context = useContext(IonLifeCycleContext);
useEffect(() => {
context.onIonViewWillLeave(callback);
}, []);
};
export const useIonViewDidLeave = (callback: () => void) => {
const value = useContext(IonLifeCycleContext);
value.onIonViewDidLeave(callback);
const context = useContext(IonLifeCycleContext);
useEffect(() => {
context.onIonViewDidLeave(callback);
}, []);
};