10 examples of 'react hook before render' in JavaScript

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78function unmountHook() {
79 act(() => {
80 removeCleanup(unmountHook)
81 unmount()
82 })
83}
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18render() {
19 const prevContext = context
20 try {
21 context = this
22 this.cursor = 0
23 return this.fn(this.props)
24 } finally {
25 context = prevContext
26 }
27}
32export function useUnmount(component: Component, hook: (token: UnmountToken) => void): void {
33 /* istanbul ignore else */
34 if (process.env.IVI_TARGET !== "ssr") {
35 const hooks = component.s;
36 hooks.u = addHook(hooks.u, hook);
37 }
38}
34render() {
35 if (this.isConnected) {
36 this.currentElement = render(h(preactComponent, this.getProps()), this, this.currentElement)
37 }
38}
36renderReact() {
37 ReactDOM.render(
38 React.createElement(this.reactClass, this._props),
39 this.ref.nativeElement);
40}
34hook = function hook(context) {
35 context = context ||
36 this.$vnode && this.$vnode.ssrContext ||
37 this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext;
38 if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {
39 context = __VUE_SSR_CONTEXT__;
40 }
41 if (style) {
42 style.call(this, createInjectorSSR(context));
43 }
44 if (context && context._registeredComponents) {
45 context._registeredComponents.add(moduleIdentifier);
46 }
47};
31afterComponentDidUpdate(cb: () => void): void {
32 this._afterComponentDidUpdateQueue.push(cb);
33}
20componentWillMount() {
21 const { routes } = this.props;
22 const { store, router } = this.context;
23 this.unListenBefore = router.listenBefore(
24 createTransitionHook(store, routes),
25 );
26}
42render() {
43 const { generateTestHook, foo } = this.props;
44 return (
45 <View ref={generateTestHook('View')}>
46 <WrappedFunctionComponent
47 ref={generateTestHook('WrappedFunctionComponent')}
48 text='text'
49 />
50
51 <WrappedText ref={generateTestHook('WrappedText')}>
52 Wrapped text
53 </WrappedText>
54
55 <Text>{foo}</Text>
56
57 <TextInput ref={generateTestHook('Input', this.setTextInputRef)} />
58 </View>
59 );
60}
70export function devModeOnElementBeforeCreate(vnode: VNode<any>): void {
71 if (__IVI_DEV__) {
72 if (DEV_HOOKS.onElementBeforeCreate) {
73 for (const hook of DEV_HOOKS.onElementBeforeCreate) {
74 hook(vnode);
75 }
76 }
77 }
78}

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