⚗️ [Dummy] Experiment with offering a dummy Earwurm

src/dummy/DummyEarwurm.ts

@@ -0,0 +1,69 @@
+import {tokens} from '../tokens';
+import type {LibraryEntry, LibraryKeys} from '../types';
+
+// TODO: Ideally we can do something like `implements Earwurm`,
+// but changing all internal logic to be "dumb".
+export class DummyEarwurm {
+  static readonly maxStackSize = tokens.maxStackSize;
+  static readonly suspendAfterMs = tokens.suspendAfterMs;
+
+  private _volume = 1;
+  private _mute = false;
+
+  readonly unlocked = false;
+  readonly state = 'closed';
+  readonly playing = false;
+
+  constructor() {
+    this._volume = 1;
+    this._mute = false;
+  }
+
+  get volume() {
+    return this._volume;
+  }
+
+  set volume(value: number) {
+    this._volume = value;
+  }
+
+  get mute() {
+    return this._mute;
+  }
+
+  set mute(value: boolean) {
+    this._mute = value;
+  }
+
+  get keys() {
+    return [];
+  }
+
+  get(_id: LibraryEntry['id']) {
+    return undefined;
+  }
+
+  has(_id: LibraryEntry['id']) {
+    return false;
+  }
+
+  unlock() {
+    return this;
+  }
+
+  add(..._entries: LibraryEntry[]): LibraryKeys {
+    return [];
+  }
+
+  remove(..._ids: LibraryKeys): LibraryKeys {
+    return [];
+  }
+
+  stop() {
+    return this;
+  }
+
+  teardown() {
+    return this;
+  }
+}

src/dummy/index.ts

@@ -0,0 +1 @@
+export {DummyEarwurm} from './DummyEarwurm';

src/index.ts

@@ -2,6 +2,8 @@ export {Earwurm} from './Earwurm';
 export {Stack} from './Stack';
 export {Sound} from './Sound';
 
+// export * from './dummy';
+
 export type {
   ManagerState,
   ManagerEventMap,