force handler functions

interactor.js

@@ -1,44 +1,44 @@
-import { Stream } from 'stream';
+import { Stream } from "stream";
 
 export class Interactor {
-  _actions = new Stream();
-  _reactions = new Stream();
-  _latestReaction;
+  #actions = new Stream();
+  #reactions = new Stream();
+  #latestReaction;
+  #latestReactions = {};
 
   constructor(initialReaction = new Reaction()) {
-    this._latestReactions = {};
-    this._actions.listen((action) => this._interaction(action));
+    this.#actions.listen((action) =>
+      this[`handle${action.constructor.name}`](action)
+    );
     this._react(initialReaction);
   }
 
   act(action) {
-    if (!(action instanceof Action)) throw 'invalid action';
-    this._actions.add(action);
+    if (!(action instanceof Action)) throw "invalid action";
+    this.#actions.add(action);
   }
 
   observe(reactionHandler, provideLatestReaction = true) {
-    if (provideLatestReaction) reactionHandler(this._latestReaction);
+    if (provideLatestReaction) reactionHandler(this.#latestReaction);
     let listener = (reaction) => {
-      if (!(reaction instanceof Reaction)) throw 'invalid reaction';
+      if (!(reaction instanceof Reaction)) throw "invalid reaction";
       reactionHandler(reaction);
     };
-    this._reactions.listen(listener);
+    this.#reactions.listen(listener);
     return listener;
   }
 
   ignore(listener) {
-    this._reactions.ignore(listener);
+    this.#reactions.ignore(listener);
   }
 
-  _interaction(action) {}
-
   _react(reaction) {
-    if (!(reaction instanceof Reaction)) throw 'invalid reaction';
-    let latest = this._latestReactions[reaction.constructor.name];
+    if (!(reaction instanceof Reaction)) throw "invalid reaction";
+    let latest = this.#latestReactions[reaction.constructor.name];
     if (!reaction.equals(latest)) {
-      this._latestReaction = reaction;
-      this._latestReactions[reaction.constructor.name] = reaction;
-      this._reactions.add(reaction);
+      this.#latestReaction = reaction;
+      this.#latestReactions[reaction.constructor.name] = reaction;
+      this.#reactions.add(reaction);
     }
   }
 }