Merge pull request 'force handler functions' (#8) from 1.1.0 into main

Reviewed-on: #8

index.js

@@ -1,2 +0,0 @@
-import { Interactor, Action, Reaction } from "./src/interactor.js";
-export { Interactor, Action, Reaction };

interactor.js

@@ -0,0 +1,52 @@
+import { Stream } from "stream";
+
+export class Interactor {
+  #actions = new Stream();
+  #reactions = new Stream();
+  #latestReaction;
+  #latestReactions = {};
+
+  constructor(initialReaction = new Reaction()) {
+    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);
+  }
+
+  observe(reactionHandler, provideLatestReaction = true) {
+    if (provideLatestReaction) reactionHandler(this.#latestReaction);
+    let listener = (reaction) => {
+      if (!(reaction instanceof Reaction)) throw "invalid reaction";
+      reactionHandler(reaction);
+    };
+    this.#reactions.listen(listener);
+    return listener;
+  }
+
+  ignore(listener) {
+    this.#reactions.ignore(listener);
+  }
+
+  _react(reaction) {
+    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);
+    }
+  }
+}
+
+export class Action {}
+
+export class Reaction {
+  equals(reaction) {
+    return false;
+  }
+}

package-lock.json

@@ -0,0 +1,20 @@
+{
+  "name": "interactor",
+  "version": "1.0.4",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "interactor",
+      "version": "1.0.4",
+      "dependencies": {
+        "stream": "^1.0.0"
+      }
+    },
+    "node_modules/stream": {
+      "version": "1.0.0",
+      "resolved": "https://git.thorup.us/api/packages/bryce/npm/stream/-/1.0.0/stream-1.0.0.tgz",
+      "integrity": "sha512-JGDjmgbnZcPCiQUxsboU7UufAryyivajDR3sCD790N/xfGpzlfl7OpPXf7EodDc43ojE+8dU8c3MOGbsH/Er4g=="
+    }
+  }
+}

package.json

@@ -1,8 +1,11 @@
 {
   "name": "interactor",
-  "version": "1.0.3",
+  "version": "1.0.6",
   "description": "Cross-element communications and state management utility.",
   "author": "Bryce Thorup",
   "type": "module",
-  "main": "index.js"
+  "main": "interactor.js",
+  "dependencies": {
+    "stream": "^1.0.1"
+  }
 }