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Patch: "Reloading the registration page should warn about data loss" #8377

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merged 15 commits into from
Apr 29, 2022
Merged

Patch: "Reloading the registration page should warn about data loss" #8377

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ac39d61
warn of data loss on reloading registration page
yaya-usman Apr 20, 2022
3c47141
update: warn on loss of data on refresh
yaya-usman Apr 20, 2022
e37af06
Merge branch 'develop' of https://github.com/yaya-usman/matrix-react-…
yaya-usman Apr 20, 2022
2c9712b
update: unloadCallback made private
yaya-usman Apr 20, 2022
b29c417
proper event annotation
yaya-usman Apr 21, 2022
872d0e0
resolve conflict
yaya-usman Apr 21, 2022
9fe77a8
update: popup the dialog warning at a later stage of registration
yaya-usman Apr 21, 2022
8b0dca2
updated branch
yaya-usman Apr 24, 2022
9b92c90
show warn dialog only at a later stage of registration
yaya-usman Apr 24, 2022
48636c6
Merge branch 'develop' of https://github.com/yaya-usman/matrix-react-…
yaya-usman Apr 25, 2022
584d54e
updated fix
yaya-usman Apr 25, 2022
8ed065f
resolve conflict
yaya-usman Apr 27, 2022
75c3627
updated warn dialog logic
yaya-usman Apr 27, 2022
71e9932
Merge branch 'develop' of https://github.com/yaya-usman/matrix-react-…
yaya-usman Apr 29, 2022
736eae1
updated fix
yaya-usman Apr 29, 2022
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12 changes: 12 additions & 0 deletions src/components/structures/auth/Registration.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -139,8 +139,20 @@ export default class Registration extends React.Component<IProps, IState> {

componentDidMount() {
this.replaceClient(this.props.serverConfig);
//triggers a confirmation dialog for data loss before page unloads/refreshes
window.addEventListener("beforeunload", this.unloadCallback);
}

componentWillUnmount() {
window.removeEventListener("beforeunload", this.unloadCallback);
}

private unloadCallback = (event: BeforeUnloadEvent) => {
event.preventDefault();
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This will always show the confirmation dialog

According to the specification, to show the confirmation dialog an event handler should call preventDefault() on the event.

(Empirically only in Firefox & Safari)

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it's now working as it should. I have tested it in the three browsers.

event.returnValue = "";
return "";
};

// TODO: [REACT-WARNING] Replace with appropriate lifecycle event
// eslint-disable-next-line
UNSAFE_componentWillReceiveProps(newProps) {
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