add talent life

src/life.js

@@ -0,0 +1,47 @@
+import { readFile } from 'fs/promises';
+import Property from './property.js';
+import Event from './event.js';
+import Talent from './talent.js';
+
+class Life {
+    constructor() {
+        this.#property = new Property();
+        this.#event = new Event();
+        this.#talent = new Talent();
+    }
+
+    async initial() {
+        const age = JSON.parse(await readFile('data/age.json'));
+        const talents = JSON.parse(await readFile('data/talents.json'));
+        const events = JSON.parse(await readFile('data/events.json'));
+
+        this.#property.initial({age});
+        this.#talent.initial({talents});
+        this.#event.initial({events});
+    }
+
+    restart(allocation) {
+        this.#prop.restart(allocation);
+    }
+
+    next() {
+        const {age, event, talent} = this.#prop.ageNext();
+
+        const eventId = this.random(event);
+    }
+
+    random(events) {
+        events.filter(([eventId])=>this.#event.check(eventId));
+
+        let totalWeights = 0;
+        for(const [, weight] of events)
+            totalWeights += weight;
+
+        let random = Math.random() * totalWeights;
+        for(const [eventId, weight] of events)
+            if((random-=weight)<0)
+                return eventId;
+    }
+}
+
+export default Life;