Create javascript function for even fibonacci numbers

Solutions/Even_fibonacci_numbers.js

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+const readline = require('readline');
+
+const EvenFibonacciNumbers = {
+
+    /**
+     * Calculates the fibonacci sequence, including only terms less than the
+     * given value.
+     *
+     * @param {Number} n Value which all terms should be less than.
+     */
+    fibonacci(n) {
+        const data = {
+            temp1: 1,
+            temp2: 2,
+        };
+
+        const numbers = [1, 2];
+
+        while(data.temp2 < n) {
+            const next = data.temp1 + data.temp2;
+
+            if (next < n) numbers.push(next);
+
+            data.temp1 = data.temp2;
+            data.temp2 = next;
+        }
+
+        return numbers;
+    },
+
+    /**
+     * Filters the given fibonacci sequence to only include even terms.
+     *
+     * @param {Number} n Value which all terms should be less than.
+     */
+    evenFibonacci(n) {
+        return this.fibonacci(n).filter(i => i % 2 === 0);
+    },
+
+    /**
+     * Sums the terms of the given fibonacci sequence.
+     *
+     * @param {Number} n Value which all terms should be less than.
+     */
+    sumEvenFibonacci(n) {
+        return this.evenFibonacci(n).reduce((total, next) => total + next);
+    },
+};
+
+const App = {
+
+    readline: readline.createInterface({
+        input: process.stdin,
+        output: process.stdout
+    }),
+
+    async start() {
+        const T = Number(await this.input(''));
+
+        const Ns = [];
+
+        for (let i = 0; i < T; ++i) {
+            const N = Number(await this.input(''));
+
+            Ns.push(N);
+        }
+
+        const sumEvenFibonaccis =
+                Ns.map(n => EvenFibonacciNumbers.sumEvenFibonacci(n));
+
+        sumEvenFibonaccis.forEach(n => console.log(n));
+
+        this.readline.close();
+    },
+
+    async input(message) {
+        return await new Promise((resolve, reject) => {
+            this.readline.question(message, input => {
+                resolve(input);
+            });
+        });
+    },
+};
+
+App.start();