Adventure of code Day 2 Problem 2 in Typescript

1202-alarm

export default class RocketComputer {
    constructor() {
        let opCode = [1, 12, 2, 3, 1, 1, 2, 3, 1, 3, 4, 3, 1, 5, 0, 3, 2, 1, 10, 19, 1, 6, 19, 23, 1, 13, 23, 27, 1, 6, 27, 31, 1, 31, 10, 35, 1, 35, 6, 39, 1, 39, 13, 43, 2, 10, 43, 47, 1, 47, 6, 51, 2, 6, 51, 55, 1, 5, 55, 59, 2, 13, 59, 63, 2, 63, 9, 67, 1, 5, 67, 71, 2, 13, 71, 75, 1, 75, 5, 79, 1, 10, 79, 83, 2, 6, 83, 87, 2, 13, 87, 91, 1, 9, 91, 95, 1, 9, 95, 99, 2, 99, 9, 103, 1, 5, 103, 107, 2, 9, 107, 111, 1, 5, 111, 115, 1, 115, 2, 119, 1, 9, 119, 0, 99, 2, 0, 14, 0];
        let problem1Result = this.calculateIntCodeList(opCode);
        console.log('position 0 number: ', problem1Result[0]);
        let problem2Result = this.calculateIntCodeNounAndVerb(opCode, 19690720);
        console.log('100 * noun + verb is: ', problem2Result);
    }

    public calculateIntCodeList(memory: number[]): number[] {
        let result = [...memory];
        for (let instructionPointer = 0; instructionPointer < memory.length; instructionPointer += 4) {
            if (result[instructionPointer] === 99) {
                return result;
            } else if (result[instructionPointer] === 1) {
                const address1 = result[instructionPointer + 1];
                const address2 = result[instructionPointer + 2];
                const address3 = result[instructionPointer + 3];
                result[address3] = result[address1] + result[address2];
            } else if (result[instructionPointer] === 2) {
                const address1 = result[instructionPointer + 1];
                const address2 = result[instructionPointer + 2];
                const address3 = result[instructionPointer + 3];
                result[address3] = result[address1] * result[address2];
            }
        }
        return result;
    }

    public calculateIntCodeNounAndVerb(memory: number[], result: number): number {
        let noun = 1;
        let verb = 1;
        let currentResultAttempt = 0;

        while (true) {
            while (currentResultAttempt < result) {
                noun += 1;
                let newInstruction = [...memory];
                newInstruction[1] = noun;
                newInstruction[2] = verb;
                currentResultAttempt = this.calculateIntCodeList(newInstruction)[0];
                if (currentResultAttempt === result) {
                    return 100 * noun + verb;
                }
            }
            verb += 1;
            noun = 1;
            currentResultAttempt = 0;
        }

        return 0;
    }
}

new RocketComputer();