10 examples of 'componentdidmount async' in JavaScript

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68componentDidMount() {
69 this._mounted = true;
70
71 if (!!this.props.autoFetch) {
72 this.fetch();
73 }
74}
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11async componentDidMount() {
12 const response = await this.getBoard()
13 this.setState({boardData: response})
14}
15async componentWillMount() {
16 if (!AsyncComponent.Component) {
17 const Component = await AsyncComponent.loadComponent();
18 if (this.mounted) {
19 this.setState({ Component });
20 }
21 } else if (!this.state.Component) {
22 this.setState({ Component: AsyncComponent.Component });
23 }
24}
97value: function componentDidMount() {
98 var _this2 = this;
99
100 var _props = this.props;
101 var location = _props.location;
102 var store = _props.store;
103 var routes = this.state.routes;
104
105 this.unsubscribe = store.subscribe(function () {
106 var storeState = store.getState();
107 _this2.setState({ storeState: storeState });
108 });
109
110 this.loadAsyncState(routes, location.query, _constants.ROOT_DEPTH);
111}
21function getComponentAsync(loader) {
22 return loadable({
23 loader: () => loader,
24 loading: Loading,
25 timeout: 10000
26 });
27}
25async load({ dataPath, loader, ...props }) {
26 let { component } = await loader({ dataPath });
27 if (!component) return;
28
29 this.setState({
30 component: component.default,
31 });
32}
62componentDidMount() {
63 Fire.shared.init();
64 dispatch.locale.getAsync();
65}
10export function asyncComponent<Props = {}>(options: {
11 loader: () => Promise<React.ComponentType<Props> | { default: React.ComponentType<Props> }>;
12}): React.ComponentType<Props> {
13 let LoadedComponent: React.ComponentType<Props>;
14
15 class AsyncComponent extends React.Component<Props, State> {
16 state: State = {
17 loading: !LoadedComponent,
18 };
19
20 private unmounted = false;
21
22 componentDidMount() {
23 if (!this.state.loading) {
24 return;
25 }
26 this.load();
27 }
28
29 componentWillUnmount() {
30 this.unmounted = true;
31 }
32
33 async load() {
34 const Comp = await options.loader();
35 LoadedComponent = (Comp as any).default ? (Comp as any).default : Comp;
36 if (!this.unmounted) {
37 this.setState({ loading: false });
38 }
39 }
40
41 render() {
42 const { loading } = this.state;
43 return loading ? null : <LoadedComponent {...this.props} />;
44 }
45 }
46
47 return AsyncComponent;
48}
32function asyncComp<P>(
33 asyncCallback: (props: P) => Promise<React.ComponentType<P>>,
34 Loader: React.ComponentType = SimpleLoader,
35 Err: React.ComponentType = () => <div />
36) {
37 return class AsyncComponent extends React.Component<
38 P,
39 { Comp: React.ComponentType<any> }
40 > {
41 unmount: boolean = false;
42 constructor(props: P) {
43 super(props);
44 this.state = { Comp: Loader };
45 }
46 componentWillMount() {
47 asyncCallback(this.props)
48 .then(Comp => {
49 if (!this.unmount) {
50 this.setState({ Comp });
51 }
52 })
53 .catch(() => {
54 if (!this.unmount) {
55 this.setState({ Comp: Err });
56 }
57 });
58 }
59 componentWillUnmount() {
60 this.unmount = true;
61 }
62 render() {
63 return <this.state.Comp {...this.props} />;
64 }
65 };
66}
6constructor(props) {
7 super(props);
8
9 this.state = {
10 component: null
11 };
12}

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