Update and add frontend framework adapters

package.json

@@ -12,12 +12,28 @@
       "types": "./dist/index.d.ts"
     },
     "./react": {
-      "import": "./dist/react.js",
-      "types": "./dist/react.d.ts"
+      "import": "./dist/adapters/react.js",
+      "types": "./dist/adapters/react.d.ts"
     },
     "./vue": {
-      "import": "./dist/vue.js",
-      "types": "./dist/vue.d.ts"
+      "import": "./dist/adapters/vue.js",
+      "types": "./dist/adapters/vue.d.ts"
+    },
+    "./angular": {
+      "import": "./dist/adapters/angular.js",
+      "types": "./dist/adapters/angular.d.ts"
+    },
+    "./solid": {
+      "import": "./dist/adapters/solid.js",
+      "types": "./dist/adapters/solid.d.ts"
+    },
+    "./svelte": {
+      "import": "./dist/adapters/svelte.js",
+      "types": "./dist/adapters/svelte.d.ts"
+    },
+    "./webcomponent": {
+      "import": "./dist/adapters/webcomponent.js",
+      "types": "./dist/adapters/webcomponent.d.ts"
     },
     "./style.css": "./dist/style.css"
   },
@@ -50,6 +66,11 @@
     "sports",
     "react",
     "vue",
+    "angular",
+    "solid",
+    "solidjs",
+    "svelte",
+    "web-components",
     "typescript"
   ],
   "author": "Erik Zettersten",
@@ -83,13 +104,25 @@
     "vue": "^3.5.12"
   },
   "peerDependencies": {
-    "react": ">=16.8.0",
+    "@angular/core": ">=18.0.0",
+    "react": ">=18.0.0",
+    "solid-js": ">=1.8.0",
+    "svelte": ">=4.0.0 || >=5.0.0",
     "vue": ">=3.0.0"
   },
   "peerDependenciesMeta": {
+    "@angular/core": {
+      "optional": true
+    },
     "react": {
       "optional": true
     },
+    "solid-js": {
+      "optional": true
+    },
+    "svelte": {
+      "optional": true
+    },
     "vue": {
       "optional": true
     }

src/adapters/angular.ts

@@ -0,0 +1,228 @@
+import {
+  Component,
+  Input,
+  Output,
+  EventEmitter,
+  OnInit,
+  OnDestroy,
+  OnChanges,
+  SimpleChanges,
+  ElementRef,
+  ViewChild,
+  ChangeDetectionStrategy,
+  inject,
+  effect,
+  signal,
+} from '@angular/core';
+import { Gracket } from '../core/Gracket';
+import type { GracketOptions, TournamentData } from '../types';
+
+/**
+ * Angular 18+ Component wrapper for Gracket
+ * Uses modern Angular features: signals, inject, standalone components
+ */
+@Component({
+  selector: 'gracket',
+  standalone: true,
+  template: `
+    @if (error()) {
+      <div class="gracket-error" [style]="{ color: 'red', padding: '1rem' }">
+        Error initializing Gracket: {{ error()?.message }}
+      </div>
+    } @else {
+      <div #container [class]="className" [ngStyle]="style"></div>
+    }
+  `,
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class GracketComponent implements OnInit, OnDestroy, OnChanges {
+  @ViewChild('container', { static: false }) containerRef?: ElementRef<HTMLDivElement>;
+
+  @Input({ required: true }) data!: TournamentData;
+  @Input() options?: Omit<GracketOptions, 'src'>;
+  @Input() className?: string;
+  @Input() style?: Record<string, string>;
+
+  @Output() init = new EventEmitter<Gracket>();
+  @Output() errorOccurred = new EventEmitter<Error>();
+  @Output() dataUpdated = new EventEmitter<TournamentData>();
+
+  // Using signals for reactive state - Angular 18+ best practice
+  protected error = signal<Error | null>(null);
+  private gracketInstance = signal<Gracket | null>(null);
+  private elementRef = inject(ElementRef);
+
+  ngOnInit(): void {
+    // Initialize will happen after view init when container is available
+  }
+
+  ngAfterViewInit(): void {
+    this.initializeGracket();
+  }
+
+  ngOnChanges(changes: SimpleChanges): void {
+    if (changes['data'] && !changes['data'].firstChange) {
+      this.updateData();
+    }
+
+    if (changes['options'] && !changes['options'].firstChange) {
+      this.reinitializeGracket();
+    }
+  }
+
+  ngOnDestroy(): void {
+    this.destroy();
+  }
+
+  private initializeGracket(): void {
+    const container = this.containerRef?.nativeElement;
+    if (!container || !this.data?.length) return;
+
+    try {
+      const instance = new Gracket(container, {
+        ...this.options,
+        src: this.data,
+      });
+
+      this.gracketInstance.set(instance);
+      this.error.set(null);
+      this.init.emit(instance);
+    } catch (err) {
+      const error = err as Error;
+      this.error.set(error);
+      this.errorOccurred.emit(error);
+      console.error('Gracket initialization error:', err);
+    }
+  }
+
+  private reinitializeGracket(): void {
+    this.destroy();
+    this.initializeGracket();
+  }
+
+  private updateData(): void {
+    const instance = this.gracketInstance();
+    if (instance && this.data?.length) {
+      try {
+        instance.update(this.data);
+        this.error.set(null);
+        this.dataUpdated.emit(this.data);
+      } catch (err) {
+        const error = err as Error;
+        this.error.set(error);
+        this.errorOccurred.emit(error);
+      }
+    }
+  }
+
+  /** Update a team's score */
+  public updateScore(
+    roundIndex: number,
+    gameIndex: number,
+    teamIndex: number,
+    score: number
+  ): void {
+    try {
+      this.gracketInstance()?.updateScore(roundIndex, gameIndex, teamIndex, score);
+      this.error.set(null);
+    } catch (err) {
+      this.error.set(err as Error);
+    }
+  }
+
+  /** Advance to next round */
+  public advanceRound(fromRound?: number): TournamentData | undefined {
+    try {
+      const result = this.gracketInstance()?.advanceRound(fromRound);
+      this.error.set(null);
+      return result;
+    } catch (err) {
+      this.error.set(err as Error);
+      return undefined;
+    }
+  }
+
+  /** Get the Gracket instance */
+  public getInstance(): Gracket | null {
+    return this.gracketInstance();
+  }
+
+  /** Destroy the instance */
+  public destroy(): void {
+    const instance = this.gracketInstance();
+    if (instance) {
+      instance.destroy();
+      this.gracketInstance.set(null);
+    }
+  }
+}
+
+/**
+ * Angular Service for programmatic Gracket control
+ * Can be injected into components
+ */
+export class GracketService {
+  private instances = new Map<string, Gracket>();
+
+  /** Create a new Gracket instance */
+  create(
+    id: string,
+    container: HTMLElement,
+    data: TournamentData,
+    options?: GracketOptions
+  ): Gracket {
+    // Destroy existing instance if any
+    this.destroy(id);
+
+    const instance = new Gracket(container, {
+      ...options,
+      src: data,
+    });
+
+    this.instances.set(id, instance);
+    return instance;
+  }
+
+  /** Get an existing instance */
+  get(id: string): Gracket | undefined {
+    return this.instances.get(id);
+  }
+
+  /** Update data for an instance */
+  update(id: string, data: TournamentData): void {
+    this.instances.get(id)?.update(data);
+  }
+
+  /** Update score */
+  updateScore(
+    id: string,
+    roundIndex: number,
+    gameIndex: number,
+    teamIndex: number,
+    score: number
+  ): void {
+    this.instances.get(id)?.updateScore(roundIndex, gameIndex, teamIndex, score);
+  }
+
+  /** Advance round */
+  advanceRound(id: string, fromRound?: number): TournamentData | undefined {
+    return this.instances.get(id)?.advanceRound(fromRound);
+  }
+
+  /** Destroy an instance */
+  destroy(id: string): void {
+    const instance = this.instances.get(id);
+    if (instance) {
+      instance.destroy();
+      this.instances.delete(id);
+    }
+  }
+
+  /** Destroy all instances */
+  destroyAll(): void {
+    this.instances.forEach((instance) => instance.destroy());
+    this.instances.clear();
+  }
+}
+
+export default GracketComponent;

src/adapters/index.ts

@@ -0,0 +1,20 @@
+/**
+ * Framework adapters for Gracket
+ * 
+ * Modern, framework-specific wrappers for the Gracket tournament bracket library.
+ * Each adapter follows the latest best practices for its respective framework.
+ * 
+ * @packageDocumentation
+ */
+
+// Re-export core library
+export { Gracket } from '../core/Gracket';
+export * from '../types';
+
+// Note: Framework adapters should be imported directly from their submodules:
+// - import { GracketReact } from 'gracket/react'
+// - import { GracketVue } from 'gracket/vue'
+// - import { GracketComponent } from 'gracket/angular'
+// - import { GracketSolid } from 'gracket/solid'
+// - import { gracket, createGracket } from 'gracket/svelte'
+// - import { GracketElement } from 'gracket/webcomponent'