fixed typescript errors

src/components/dialogs/MapListDialog.tsx

@@ -64,9 +64,8 @@ export interface State {
 
 class MapListDialogUnconnected extends PureComponent<Props, State> {
   state = {
-    menu_target: null,
-    editor_target: null,
-
+    menu_target: '',
+    editor_target: '',
     is_editing: false,
     is_dropping: false,
   };
@@ -74,7 +73,7 @@ class MapListDialogUnconnected extends PureComponent<Props, State> {
   startEditing = (editor_target: IRouteListItem['address']): void =>
     this.setState({
       editor_target,
-      menu_target: null,
+      menu_target: '',
       is_editing: true,
       is_dropping: false,
     });
@@ -86,19 +85,19 @@ class MapListDialogUnconnected extends PureComponent<Props, State> {
 
   hideMenu = (): void =>
     this.setState({
-      menu_target: null,
+      menu_target: '',
     });
 
   showDropCard = (editor_target: IRouteListItem['address']): void =>
     this.setState({
       editor_target,
-      menu_target: null,
+      menu_target: '',
       is_editing: false,
       is_dropping: true,
     });
 
   stopEditing = (): void => {
-    this.setState({ editor_target: null });
+    this.setState({ editor_target: '' });
   };
 
   setTitle = ({ target: { value } }: { target: { value: string } }): void => {

src/components/dialogs/ProviderDialog.tsx

@@ -27,7 +27,7 @@ const ProviderDialogUnconnected = ({ provider, mapSetProvider }: Props) => (
               backgroundImage: `url(${replaceProviderUrl(item, { x: 5980, y: 2589, zoom: 13 })})`,
             }}
             onMouseDown={() => mapSetProvider(item)}
-            key={PROVIDERS[item].name}
+            key={PROVIDERS[item]?.name}
           >
             {
               provider === item &&
@@ -44,4 +44,4 @@ const ProviderDialogUnconnected = ({ provider, mapSetProvider }: Props) => (
 
 const ProviderDialog = connect(mapStateToProps, mapDispatchToProps)(ProviderDialogUnconnected)
 
-export { ProviderDialog }
+export { ProviderDialog }

src/components/dialogs/TitleDialog.tsx

@@ -42,7 +42,7 @@ export class TitleDialogUnconnected extends React.PureComponent<Props, State> {
     this.setMaxHeight();
   }
 
-  setMaxHeight = (): number => {
+  setMaxHeight = () => {
     if (!this.ref_sizer || !this.ref_title || !this.ref_text) return 0;
 
     const { height: sizer_height } = this.ref_sizer.getBoundingClientRect();