dev-investor-profile.js

// ©2020 Ilona Codes. All rights reserved.
// Playing with weight values changes results

const weights = {
    'A': -2,
    'B': -1,
    'C': 1,
    'D': 2,
};

const determineInvestorType = questions => {
    // we initialize answer option counts
    const counts = {
        'A': 0,
        'B': 0,
        'C': 0,
        'D': 0,
    };

    // we count how many answers are of each option
    questions.forEach(question => {
        counts[question.chosen]++;
    });

    // we calculate the weighted score
    let score = 0;
    Object.keys(counts).forEach(letter => {
        score += weights[letter] * counts[letter];
    });

    // we determine in which range does the score lie
    let investorType;
    if (score < -5) {
        investorType = 'conservative';
    } else if (score < 5) {
        investorType = 'balanced';
    } else if (score < 10) {
        investorType = 'growth';
    } else {
        investorType = 'aggressive_growth';
    }

    return {
        investorType: investorType,
    };
};