alexa-ssml/lib/validateProps.js

JSX for Alexa Skills Kit SSML

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = validateProps;

var _tv = require('tv4');

var _tv2 = _interopRequireDefault(_tv);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

/**
 * Validates properties against a schema
 * @param {Object} props
 * @param {Object} schema
 * @return {Object} validated props
 */
function validateProps(props, schema) {
    var _ref = props || {};

    var children = _ref.children;

    var itemProps = _objectWithoutProperties(_ref, ['children']); // TODO add child count validation too?

    var _tv4$validateResult = _tv2.default.validateResult(itemProps, schema, false, true);

    var error = _tv4$validateResult.error;

    if (error) {
        var dataPath = error.dataPath;
        var srcPath = error.srcPath;
        var message = error.message;

        if (dataPath) {
            throw new Error('Unknown property: ' + dataPath.slice(1));
        }

        if (srcPath) {
            throw new Error('Invalid value for property ' + srcPath.slice(1) + ': ' + message);
        }

        throw new Error(message);
    }

    return itemProps;
}