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Code Issues Packages Projects Releases Activity

chore(react/note_title): add before unload listener

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This commit is contained in:
Elian Doran
2025-08-21 12:55:33 +03:00
parent b93fa332d3
commit 945e180a6f
4 changed files with 32 additions and 30 deletions
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36
apps/client/src/components/app_context.ts
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@@ -40,7 +40,7 @@ interface RootWidget extends Component {
render: () => JQuery<HTMLElement>;
}
interface BeforeUploadListener extends Component {
export interface BeforeUploadListener extends Component {
beforeUnloadEvent(): boolean;
}
@@ -526,7 +526,7 @@ export type FilteredCommandNames<T extends CommandData> = keyof Pick<CommandMapp
export class AppContext extends Component {
isMainWindow: boolean;
components: Component[];
beforeUnloadListeners: WeakRef<BeforeUploadListener>[];
beforeUnloadListeners: (WeakRef<BeforeUploadListener> | (() => boolean))[];
tabManager!: TabManager;
layout?: Layout;
noteTreeWidget?: NoteTreeWidget;
@@ -649,13 +649,17 @@ export class AppContext extends Component {
return $(el).closest(".component").prop("component");
}
addBeforeUnloadListener(obj: BeforeUploadListener) {
addBeforeUnloadListener(obj: BeforeUploadListener | (() => boolean)) {
if (typeof WeakRef !== "function") {
// older browsers don't support WeakRef
return;
}
this.beforeUnloadListeners.push(new WeakRef<BeforeUploadListener>(obj));
if (typeof obj === "object") {
this.beforeUnloadListeners.push(new WeakRef<BeforeUploadListener>(obj));
} else {
this.beforeUnloadListeners.push(obj);
}
}
}
@@ -665,18 +669,24 @@ const appContext = new AppContext(window.glob.isMainWindow);
$(window).on("beforeunload", () => {
let allSaved = true;
appContext.beforeUnloadListeners = appContext.beforeUnloadListeners.filter((wr) => !!wr.deref());
appContext.beforeUnloadListeners = appContext.beforeUnloadListeners.filter((wr) => typeof wr === "function" || !!wr.deref());
for (const weakRef of appContext.beforeUnloadListeners) {
const component = weakRef.deref();
for (const listener of appContext.beforeUnloadListeners) {
if (typeof listener === "object") {
const component = listener.deref();
if (!component) {
continue;
}
if (!component) {
continue;
}
if (!component.beforeUnloadEvent()) {
console.log(`Component ${component.componentId} is not finished saving its state.`);
allSaved = false;
if (!component.beforeUnloadEvent()) {
console.log(`Component ${component.componentId} is not finished saving its state.`);
allSaved = false;
}
} else {
if (!listener()) {
allSaved = false;
}
}
}