hckrnews / logic-gates

import InvalidInputError from './InvalidInputError';

export default class Helper {

    static dec2bin(number, propositions) {

        if (!Number.isInteger(number)) {

            throw new InvalidInputError(number, 'number isnt a number');

        }

        if (!Number.isInteger(propositions)) {

            throw new InvalidInputError(

                propositions,

                'propositions isnt a number'

            );

        }

        const binary = parseInt(number, 10).toString(2);

        return binary.padStart(propositions, '0');

    }

    static totalTrueInputs(row) {

        if (!Array.isArray(row)) {

            throw new InvalidInputError(row, 'row isnt an array');

        }

        if (row.length < 1) {

            return 0;

        }

        return row.reduce(

            (accumulator, currentValue) => accumulator + (currentValue ? 1 : 0)

        );

    }

}