oenstrom / jov

"use strict";

/**

 * Validate the data against the schema.

 *

 * @param {Object} data The data to validate.

 * @param {Object} schema The schema built of jov classes.

 * @param {String} format The format to return error as, "obj" or "json".

 */

const validate = (data, schema, format = "obj") => {

    let returnError = null;

    for (let key in schema) {

        if (!schema[key].isRequired && !data.hasOwnProperty(key)) {

            continue;

        } else if (schema[key].isRequired && !data.hasOwnProperty(key)) {

            returnError = schema[key].error("Any:required", key, schema[key]);

            break;

        }

        returnError = schema[key].validate(data, key);

        if (returnError) {

            break;

        }

    }

    return format === "json" ? JSON.stringify(returnError, null, 4) : returnError;

};

module.exports = validate;