1 files changed, 30 insertions, 0 deletions

diff --git a/client/src/app/core/routing/can-deactivate-guard.service.ts b/client/src/app/core/routing/can-deactivate-guard.service.ts
new file mode 100644
index 000000000..e0405293a
--- /dev/null
+++ b/client/src/app/core/routing/can-deactivate-guard.service.ts
@@ -0,0 +1,30 @@
+import { Observable } from 'rxjs'
+import { Injectable } from '@angular/core'
+import { CanDeactivate } from '@angular/router'
+import { ConfirmService } from '@app/core/confirm'
+import { I18n } from '@ngx-translate/i18n-polyfill'
+
+export type CanComponentDeactivateResult = { text?: string, canDeactivate: Observable<boolean> | boolean }
+
+export interface CanComponentDeactivate {
+  canDeactivate: () => CanComponentDeactivateResult
+}
+
+@Injectable()
+export class CanDeactivateGuard implements CanDeactivate<CanComponentDeactivate> {
+  constructor (
+    private confirmService: ConfirmService,
+    private i18n: I18n
+  ) { }
+
+  canDeactivate (component: CanComponentDeactivate) {
+    const result = component.canDeactivate()
+    const text = result.text || this.i18n('All unsaved data will be lost, are you sure you want to leave this page?')
+
+    return result.canDeactivate || this.confirmService.confirm(
+      text,
+      this.i18n('Warning')
+    )
+  }
+
+}