Use PropertyKey instead of string where appropriate

src/events/sl-after-collapse.ts

@@ -1,4 +1,4 @@
-type SlAfterCollapseEvent = CustomEvent<Record<string, never>>;
+type SlAfterCollapseEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-after-expand.ts

@@ -1,4 +1,4 @@
-type SlAfterExpandEvent = CustomEvent<Record<string, never>>;
+type SlAfterExpandEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-after-hide.ts

@@ -1,4 +1,4 @@
-type SlAfterHideEvent = CustomEvent<Record<string, never>>;
+type SlAfterHideEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-after-show.ts

@@ -1,4 +1,4 @@
-type SlAfterShowEvent = CustomEvent<Record<string, never>>;
+type SlAfterShowEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-blur.ts

@@ -1,4 +1,4 @@
-type SlBlurEvent = CustomEvent<Record<string, never>>;
+type SlBlurEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-cancel.ts

@@ -1,4 +1,4 @@
-type SlCancelEvent = CustomEvent<Record<string, never>>;
+type SlCancelEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-change.ts

@@ -1,4 +1,4 @@
-type SlChangeEvent = CustomEvent<Record<string, never>>;
+type SlChangeEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-clear.ts

@@ -1,4 +1,4 @@
-type SlClearEvent = CustomEvent<Record<string, never>>;
+type SlClearEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-close.ts

@@ -1,4 +1,4 @@
-type SlCloseEvent = CustomEvent<Record<string, never>>;
+type SlCloseEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-collapse.ts

@@ -1,4 +1,4 @@
-type SlCollapseEvent = CustomEvent<Record<string, never>>;
+type SlCollapseEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-expand.ts

@@ -1,4 +1,4 @@
-type SlExpandEvent = CustomEvent<Record<string, never>>;
+type SlExpandEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-finish.ts

@@ -1,4 +1,4 @@
-type SlFinishEvent = CustomEvent<Record<string, never>>;
+type SlFinishEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-focus.ts

@@ -1,4 +1,4 @@
-type SlFocusEvent = CustomEvent<Record<string, never>>;
+type SlFocusEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-hide.ts

@@ -1,4 +1,4 @@
-type SlHideEvent = CustomEvent<Record<string, never>>;
+type SlHideEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-initial-focus.ts

@@ -1,4 +1,4 @@
-type SlInitialFocusEvent = CustomEvent<Record<string, never>>;
+type SlInitialFocusEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-input.ts

@@ -1,4 +1,4 @@
-type SlInputEvent = CustomEvent<Record<string, never>>;
+type SlInputEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-lazy-change.ts

@@ -1,4 +1,4 @@
-type SlLazyChangeEvent = CustomEvent<Record<string, never>>;
+type SlLazyChangeEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-lazy-load.ts

@@ -1,4 +1,4 @@
-type SlLazyLoadEvent = CustomEvent<Record<string, never>>;
+type SlLazyLoadEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-load.ts

@@ -1,4 +1,4 @@
-type SlLoadEvent = CustomEvent<Record<string, never>>;
+type SlLoadEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-remove.ts

@@ -1,4 +1,4 @@
-type SlRemoveEvent = CustomEvent<Record<string, never>>;
+type SlRemoveEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-reposition.ts

@@ -1,4 +1,4 @@
-type SlRepositionEvent = CustomEvent<Record<string, never>>;
+type SlRepositionEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-show.ts

@@ -1,4 +1,4 @@
-type SlShowEvent = CustomEvent<Record<string, never>>;
+type SlShowEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/events/sl-start.ts

@@ -1,4 +1,4 @@
-type SlStartEvent = CustomEvent<Record<string, never>>;
+type SlStartEvent = CustomEvent<Record<PropertyKey, never>>;
 
 declare global {
   interface GlobalEventHandlersEventMap {

src/internal/shoelace-element.ts

@@ -2,8 +2,8 @@ import { LitElement } from 'lit';
 import { property } from 'lit/decorators.js';
 
 type EventTypeRequiresDetail<T> = T extends keyof GlobalEventHandlersEventMap
-  ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<string, unknown>>
-    ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<string, never>>
+  ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>>
+    ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>>
       ? never
       : Partial<GlobalEventHandlersEventMap[T]['detail']> extends GlobalEventHandlersEventMap[T]['detail']
       ? never
@@ -12,8 +12,8 @@ type EventTypeRequiresDetail<T> = T extends keyof GlobalEventHandlersEventMap
   : never;
 
 type EventTypeDoesNotRequireDetail<T> = T extends keyof GlobalEventHandlersEventMap
-  ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<string, unknown>>
-    ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<string, never>>
+  ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>>
+    ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>>
       ? T
       : Partial<GlobalEventHandlersEventMap[T]['detail']> extends GlobalEventHandlersEventMap[T]['detail']
       ? T
@@ -31,8 +31,8 @@ type EventTypesWithoutRequiredDetail = {
 
 type WithRequired<T, K extends keyof T> = T & { [P in K]-?: T[P] };
 type SlEventInit<T> = T extends keyof GlobalEventHandlersEventMap
-  ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<string, unknown>>
-    ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<string, never>>
+  ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, unknown>>
+    ? GlobalEventHandlersEventMap[T] extends CustomEvent<Record<PropertyKey, never>>
       ? CustomEventInit<GlobalEventHandlersEventMap[T]['detail']>
       : Partial<GlobalEventHandlersEventMap[T]['detail']> extends GlobalEventHandlersEventMap[T]['detail']
       ? CustomEventInit<GlobalEventHandlersEventMap[T]['detail']>