Consolidate Soma dropdown menu runtime

src/uix/soma/components/dropdown-menu/dropdown-menu-provider.svelte.ts

@@ -36,7 +36,7 @@ import {
 import { SafePolygon } from '../../layers/floating/safe-polygon';
 
 import { dropdownMenuMorfo } from '../../../morfo/components/dropdown-menu';
-import type { SomaRuntimePart } from '../../runtime.svelte';
+import type { SomaRuntime, SomaRuntimePart } from '../../runtime.svelte';
 
 const attrs = createAttrs(dropdownMenuMorfo);
 
@@ -93,6 +93,8 @@ interface MenuOpts
 export class MenuProvider {
 	readonly opts: MenuOpts;
 	readonly runtimePart: SomaRuntimePart;
+	readonly soma: Soma;
+	readonly runtime: SomaRuntime;
 	static readonly ctx = context<MenuProvider>('DropdownMenu');
 	static get(): MenuProvider | undefined {
 		return this.ctx.getOr(undefined) as MenuProvider | undefined;
@@ -105,7 +107,6 @@ export class MenuProvider {
 		return new MenuProvider(opts);
 	}
 
-	readonly config = Soma.get();
 	readonly floatingProvider: FloatingProvider;
 	readonly contentPresence: Presence;
 	readonly typeahead = new Typeahead();
@@ -116,9 +117,14 @@ export class MenuProvider {
 
 	private constructor(opts: MenuOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('provider', { id: opts.id, ref: opts.ref, owner: this, context: MenuProvider.ctx });
+		this.soma = Soma.require();
+		this.runtime = this.soma.runtime(dropdownMenuMorfo, {});
+		this.runtimePart = this.runtime.part('provider', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: MenuProvider.ctx
+		});
 
 		this.floatingProvider = FloatingProvider.create();
 
@@ -178,10 +184,12 @@ export class MenuTriggerProvider {
 
 	private constructor(opts: MenuTriggerOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('trigger', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = MenuProvider.require();
+		this.runtimePart = this.provider.runtime.part('trigger', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 		this.provider.triggerId.current = opts.id.current;
 
 		FloatingAnchor.create({
@@ -264,17 +272,15 @@ export class MenuContentProvider {
 
 	private constructor(opts: MenuContentOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('content', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				onRefChange: (el) => {
-					this.provider.setContentRef(el);
-				}
-			});
 		this.provider = MenuProvider.require();
+		this.runtimePart = this.provider.runtime.part('content', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			onRefChange: (el) => {
+				this.provider.setContentRef(el);
+			}
+		});
 		this.provider.contentId.current = opts.id.current;
 
 		// Floating
@@ -342,7 +348,7 @@ export class MenuContentProvider {
 		// Text selection
 		this.textSelection = TextSelection.use({
 			ref: readableActive(() => opts.ref.current),
-			dom: Soma.require().dom,
+			dom: this.provider.soma.dom,
 			enabled: readableActive(() => this.provider.opts.open.current),
 			onPointerDown: readableActive(() => () => {}),
 			onPointerUp: readableActive(() => () => {})
@@ -432,9 +438,12 @@ export class MenuArrowProvider {
 
 	private constructor(opts: MenuArrowOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('arrow', { id: opts.id, ref: opts.ref, owner: this });
+		const provider = MenuProvider.require();
+		this.runtimePart = provider.runtime.part('arrow', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 		this.floatingArrow = FloatingArrow.create(opts);
 	}
 
@@ -466,10 +475,12 @@ export class MenuItemProvider {
 
 	private constructor(opts: MenuItemOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('item', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = MenuProvider.require();
+		this.runtimePart = this.provider.runtime.part('item', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 	}
 
 	readonly onclick = (_e: SomaMouseEvent<HTMLElement>) => {
@@ -527,9 +538,13 @@ export class MenuGroupProvider {
 
 	private constructor(opts: MenuGroupOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('group', { id: opts.id, ref: opts.ref, owner: this, context: MenuGroupProvider.ctx });
+		const provider = MenuProvider.require();
+		this.runtimePart = provider.runtime.part('group', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			context: MenuGroupProvider.ctx
+		});
 	}
 
 	readonly props = $derived.by(() =>
@@ -554,9 +569,12 @@ export class MenuGroupHeadingProvider {
 
 	private constructor(opts: MenuGroupHeadingOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('group-heading', { id: opts.id, ref: opts.ref, owner: this });
+		const provider = MenuProvider.require();
+		this.runtimePart = provider.runtime.part('group-heading', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 		// Register with parent group if available
 		const group = MenuGroupProvider.get() as MenuGroupProvider | undefined;
 		if (group) {
@@ -582,9 +600,12 @@ export class MenuSeparatorProvider {
 
 	private constructor(opts: MenuSeparatorOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('separator', { id: opts.id, ref: opts.ref, owner: this });
+		const provider = MenuProvider.require();
+		this.runtimePart = provider.runtime.part('separator', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 	}
 
 	readonly props = $derived.by(() =>
@@ -657,10 +678,12 @@ export class MenuCheckboxItemProvider {
 
 	private constructor(opts: MenuCheckboxItemOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('checkbox-item', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = MenuProvider.require();
+		this.runtimePart = this.provider.runtime.part('checkbox-item', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 		this.group = MenuCheckboxGroupProvider.get();
 	}
 
@@ -735,7 +758,8 @@ export class MenuRadioGroupProvider {
 
 	private constructor(opts: MenuRadioGroupOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require().runtime(dropdownMenuMorfo, {}).part('radio-group', {
+		const provider = MenuProvider.require();
+		this.runtimePart = provider.runtime.part('radio-group', {
 			id: opts.id,
 			ref: opts.ref,
 			owner: this,
@@ -776,10 +800,12 @@ export class MenuRadioItemProvider {
 
 	private constructor(opts: MenuRadioItemOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('radio-item', { id: opts.id, ref: opts.ref, owner: this });
 		this.provider = MenuProvider.require();
+		this.runtimePart = this.provider.runtime.part('radio-item', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this
+		});
 		this.radioGroup = MenuRadioGroupProvider.require();
 	}
 
@@ -905,17 +931,15 @@ export class MenuSubTriggerProvider {
 		// A30: register subTriggerRef via `onRefChange` (attachRef fires at
 		// mount/unmount inside `untrack`), avoiding the `$effect` feedback.
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('sub-trigger', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				onRefChange: (el) => {
-					this.sub.subTriggerRef.current = el;
-				}
-			});
 		this.sub = MenuSubProvider.require();
+		this.runtimePart = this.sub.provider.runtime.part('sub-trigger', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			onRefChange: (el) => {
+				this.sub.subTriggerRef.current = el;
+			}
+		});
 		this.sub.subTriggerId.current = opts.id.current;
 
 		FloatingAnchor.create({
@@ -1032,17 +1056,15 @@ export class MenuSubContentProvider {
 
 	private constructor(opts: MenuSubContentOpts) {
 		this.opts = opts;
-		this.runtimePart = Soma.require()
-			.runtime(dropdownMenuMorfo, {})
-			.part('sub-content', {
-				id: opts.id,
-				ref: opts.ref,
-				owner: this,
-				onRefChange: (el) => {
-					this.sub.setContentRef(el);
-				}
-			});
 		this.sub = MenuSubProvider.require();
+		this.runtimePart = this.sub.provider.runtime.part('sub-content', {
+			id: opts.id,
+			ref: opts.ref,
+			owner: this,
+			onRefChange: (el) => {
+				this.sub.setContentRef(el);
+			}
+		});
 		this.sub.contentId.current = opts.id.current;
 
 		this.floating = FloatingContent.create({