Patch: "Reloading the registration page should warn about data loss" (#8377)
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@ -139,8 +139,21 @@ export default class Registration extends React.Component<IProps, IState> {
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componentDidMount() {
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this.replaceClient(this.props.serverConfig);
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//triggers a confirmation dialog for data loss before page unloads/refreshes
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window.addEventListener("beforeunload", this.unloadCallback);
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}
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componentWillUnmount() {
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window.removeEventListener("beforeunload", this.unloadCallback);
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}
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private unloadCallback = (event: BeforeUnloadEvent) => {
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if (this.state.doingUIAuth) {
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event.preventDefault();
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event.returnValue = "";
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return "";
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}
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};
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// TODO: [REACT-WARNING] Replace with appropriate lifecycle event
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// eslint-disable-next-line
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UNSAFE_componentWillReceiveProps(newProps) {
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