add cpuRepository class

js/cpuRepository.js

@@ -0,0 +1,35 @@
+class cpuRepository {
+    #cpuList;
+
+    #currentCPU;
+    #nextCPU;
+
+    async init() {
+        const fetchResult = await fetch("./js/data.json");
+        this.#cpuList = await fetchResult.json();
+
+        this.#currentCPU = this.getRandomCpu();
+        this.#nextCPU = this.getRandomCpu();
+    }
+
+    get currentCpu() {
+        return this.#currentCpu;
+    }
+
+    get nextCpu() {
+        return this.#nextCpu;
+    }
+
+    getRandomCpu() {
+        let randomIndex = this.getRandomInt(0, this.#cpuList.length);
+        this.#cpuList[randomIndex]["name"] = this.#cpuList[randomIndex]["name"].split('@')[0];
+        return this.#cpuList[randomIndex];
+    }
+
+    getRandomInt(min, max) {
+        min = Math.ceil(min);
+        max = Math.floor(max);
+        return Math.floor(Math.random() * (max - min) + min); // The maximum is exclusive and the minimum is inclusive
+    }
+    
+}