define(["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    function emailAddress() {
        var splitEmailAddresses = function (emailAddresses, separator) {
            var quotedFragments = emailAddresses.split(/"/);
            var quotedFragmentCount = quotedFragments.length;
            var emailAddressArray = [];
            var nextEmailAddress = '';
            for (var i = 0; i < quotedFragmentCount; i++) {
                if (i % 2 === 0) {
                    var splitEmailAddressFragments = quotedFragments[i].split(separator);
                    var splitEmailAddressFragmentCount = splitEmailAddressFragments.length;
                    if (splitEmailAddressFragmentCount === 1) {
                        nextEmailAddress += splitEmailAddressFragments[0];
                    }
                    else {
                        emailAddressArray.push(nextEmailAddress + splitEmailAddressFragments[0]);
                        for (var j = 1; j < splitEmailAddressFragmentCount - 1; j++) {
                            emailAddressArray.push(splitEmailAddressFragments[j]);
                        }
                        nextEmailAddress = splitEmailAddressFragments[splitEmailAddressFragmentCount - 1];
                    }
                }
                else {
                    nextEmailAddress += '"' + quotedFragments[i];
                    if (i < quotedFragmentCount - 1) {
                        nextEmailAddress += '"';
                    }
                }
            }
            emailAddressArray.push(nextEmailAddress);
            return emailAddressArray;
        };
        return {
            validate: function (input) {
                if (input.value === '') {
                    return { valid: true };
                }
                var opts = Object.assign({}, {
                    multiple: false,
                    separator: /[,;]/,
                }, input.options);
                var emailRegExp = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
                var allowMultiple = opts.multiple === true || "" + opts.multiple === 'true';
                if (allowMultiple) {
                    var separator = opts.separator || /[,;]/;
                    var addresses = splitEmailAddresses(input.value, separator);
                    var length_1 = addresses.length;
                    for (var i = 0; i < length_1; i++) {
                        if (!emailRegExp.test(addresses[i])) {
                            return { valid: false };
                        }
                    }
                    return { valid: true };
                }
                else {
                    return { valid: emailRegExp.test(input.value) };
                }
            },
        };
    }
    exports.default = emailAddress;
});