schemas.js

'use strict';

const jwtSchema = {
        scopes: 'array'
        , app: 'string'
        , jti: 'string'
    }

    , app = {
        key: 'string'
        , createdDate: 'date'
        , contact: 'object'
        , payment: 'object'
        , url: 'string'
        , name: 'string'
        , description: 'string'
    }

    , contact = {
        name: 'string'
        , email: 'string'
        , phone: 'string'
    }

    , payment = {
        token: 'string'
        , expires: 'date'
    }

    , schemaCheck = function (objectIn, schemaIn) {
        const schemaKeys = Object.keys(schemaIn)
            , objectKeys = Object.keys(objectIn);

        // must have the same number of keys
        let check = schemaKeys.length === objectKeys.length;

        // and all the keys must match in name and type
        schemaKeys.forEach((key) => {
            const isObject = typeof objectIn[key] === 'object';

            if (schemaIn[key] === 'array') {
                check = check && isObject && Array.isArray(objectIn[key]);
            } else if (schemaIn[key] === 'date') {
                check = check && isObject && !isNaN(new Date(objectIn[key]).getTime());
            } else {
                check = check && typeof objectIn[key] === schemaIn[key];
            }
        });

        return check;
    };

module.exports = {
    jwt: jwtSchema
    , account: app
    , contact: contact
    , payment: payment
    , check: schemaCheck
};