Код гадалки Шеннона перенесен в проект

source/_assets/predictor/Predictor.js

@@ -0,0 +1,90 @@
+import Daemon from './Daemon';
+import Journal from './Journal';
+import Supervisor from './Supervisor';
+
+const DEFAULT_CONFIG = {
+    base: 2,
+    supervisor_epsilon: 0.01,
+    daemons: [
+        { human: 2, robot: 2, epsilon: 0.01 },
+        { human: 3, robot: 3, epsilon: 0.01 },
+        { human: 4, robot: 4, epsilon: 0.01 },
+        { human: 5, robot: 5, epsilon: 0.01 },
+        { human: 6, robot: 6, epsilon: 0.01 },
+    ],
+};
+
+export default class Predictor {
+    /**
+     * @type {Number}
+     */
+    base;
+
+    /**
+     * @type {Number}
+     */
+    score;
+
+    /**
+     * @type {Journal}
+     */
+    journal;
+
+    /**
+     * @type {Supervisor}
+     */
+    supervisor;
+
+    /**
+     * @param {Object} config
+     */
+    constructor(config = DEFAULT_CONFIG) {
+        this.base = config.base;
+        this.score = 0;
+        this.journal = new Journal();
+        const daemons = this._createDaemons(config.daemons);
+        this.supervisor = new Supervisor(daemons, config.supervisor_epsilon);
+    }
+
+    /**
+     * @param {Number|String} humanValue
+     *
+     * @returns {Number}
+     */
+    pass(humanValue) {
+        const value = parseInt(humanValue, 10);
+        if (value < 0 || value >= this.base) {
+            throw new Error(`Passed value must be in [0, ${this.base})`);
+        }
+        const prediction = this.supervisor.predict(this.journal);
+        this.score += prediction === value ? -1 : 1;
+        this.supervisor.adjust(this.journal, value);
+        this.journal.makeMove(value, prediction);
+        return prediction;
+    }
+
+    /**
+     * @param {Object} daemonConfigs
+     *
+     * @returns {Daemon[]}
+     *
+     * @private
+     */
+    _createDaemons(daemonConfigs) {
+        return daemonConfigs.map(config => {
+            return new Daemon(
+                this.base,
+                config.human,
+                config.robot,
+                config.epsilon || 0.01
+            );
+        });
+    }
+
+    /**
+     * @returns {Number}
+     */
+    stepCount() {
+        return this.journal.length;
+    }
+}