Migrate to "...super.properties"

src/dbp-official-signature-pdf-upload.js

@@ -64,7 +64,8 @@ class OfficialSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElem
     }
 
     static get properties() {
-        return this.getProperties({
+        return {
+            ...super.properties,
             lang: { type: String },
             entryPointUrl: { type: String, attribute: 'entry-point-url' },
             nextcloudWebAppPasswordURL: { type: String, attribute: 'nextcloud-web-app-password-url' },
@@ -88,7 +89,7 @@ class OfficialSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitElem
             signaturePlacementInProgress: { type: Boolean, attribute: false },
             withSigBlock: { type: Boolean, attribute: false },
             isSignaturePlacement: { type: Boolean, attribute: false },
-        });
+        };
     }
 
     connectedCallback() {

src/dbp-pdf-preview.js

@@ -51,7 +51,8 @@ export class PdfPreview extends ScopedElementsMixin(DBPLitElement) {
      * See: https://lit-element.polymer-project.org/guide/properties#initialize
      */
     static get properties() {
-        return this.getProperties({
+        return {
+            ...super.properties,
             lang: { type: String },
             currentPage: { type: Number, attribute: false },
             totalPages: { type: Number, attribute: false },
@@ -63,7 +64,7 @@ export class PdfPreview extends ScopedElementsMixin(DBPLitElement) {
             signature_width: { type: Number, attribute: 'signature-width' },
             signature_height: { type: Number, attribute: 'signature-height' },
             allowSignatureRotation: { type: Boolean, attribute: 'allow-signature-rotation' },
-        });
+        };
     }
 
     update(changedProperties) {

src/dbp-qualified-signature-pdf-upload.js

@@ -66,7 +66,8 @@ class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitEle
     }
 
     static get properties() {
-        return this.getProperties({
+        return {
+            ...super.properties,
             lang: { type: String },
             entryPointUrl: { type: String, attribute: 'entry-point-url' },
             nextcloudWebAppPasswordURL: { type: String, attribute: 'nextcloud-web-app-password-url' },
@@ -91,7 +92,7 @@ class QualifiedSignaturePdfUpload extends ScopedElementsMixin(DBPSignatureLitEle
             signaturePlacementInProgress: { type: Boolean, attribute: false },
             withSigBlock: { type: Boolean, attribute: false },
             isSignaturePlacement: { type: Boolean, attribute: false },
-        });
+        };
     }
 
     connectedCallback() {

src/dbp-signature-lit-element.js

@@ -70,9 +70,10 @@ export default class DBPSignatureLitElement extends DBPSignatureBaseLitElement {
     }
 
     static get properties() {
-        return this.getProperties({
+        return {
+            ...super.properties,
             showNextcloudFilePicker: { type: Boolean, attribute: 'show-nextcloud-file-picker' },
-        });
+        };
     }
 
     /**

src/dbp-signature-verification-full.js

@@ -53,7 +53,8 @@ class SignatureVerificationFull extends ScopedElementsMixin(DBPSignatureLitEleme
     }
 
     static get properties() {
-        return this.getProperties({
+        return {
+            ...super.properties,
             lang: { type: String },
             entryPointUrl: { type: String, attribute: 'entry-point-url' },
             nextcloudWebAppPasswordURL: { type: String, attribute: 'nextcloud-web-app-password-url' },
@@ -75,7 +76,7 @@ class SignatureVerificationFull extends ScopedElementsMixin(DBPSignatureLitEleme
             currentFileName: { type: String, attribute: false },
             previewInProgress: { type: Boolean, attribute: false },
             isSignaturePlacement: { type: Boolean, attribute: false },
-        });
+        };
     }
 
     connectedCallback() {

src/dbp-signature-verification.js

@@ -18,9 +18,10 @@ class SignatureVerification extends ScopedElementsMixin(DBPSignatureLitElement)
     }
 
     static get properties() {
-        return this.getProperties({
+        return {
+            ...super.properties,
             lang: { type: String },
-        });
+        };
     }
 
     update(changedProperties) {