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/* globals define, module, jQuery */
/*
* Mailcheck https://github.com/mailcheck/mailcheck
* Author
* Derrick Ko (@derrickko)
*
* Released under the MIT License.
*
* v 1.1.2
*/
var Mailcheck = {
domainThreshold: 2,
secondLevelThreshold: 2,
topLevelThreshold: 2,
defaultDomains: ['msn.com', 'bellsouth.net',
'telus.net', 'comcast.net', 'optusnet.com.au',
'earthlink.net', 'qq.com', 'sky.com', 'icloud.com',
'mac.com', 'sympatico.ca', 'googlemail.com',
'att.net', 'xtra.co.nz', 'web.de',
'cox.net', 'gmail.com', 'ymail.com',
'aim.com', 'rogers.com', 'verizon.net',
'rocketmail.com', 'google.com', 'optonline.net',
'sbcglobal.net', 'aol.com', 'me.com', 'btinternet.com',
'charter.net', 'shaw.ca', 'protonmail.com'],
defaultSecondLevelDomains: ["yahoo", "hotmail", "mail", "live", "outlook", "gmx", "ymail", "gmail", "protonmail"],
defaultTopLevelDomains: ["com", "com.au", "com.tw", "ca", "co.nz", "co.uk", "de",
"fr", "it", "ru", "net", "org", "edu", "gov", "jp", "nl", "kr", "se", "eu",
"ie", "co.il", "us", "at", "be", "dk", "hk", "es", "gr", "ch", "no", "cz",
"in", "net", "net.au", "info", "biz", "mil", "co.jp", "sg", "hu", "uk", "io", "ai", "co.in"],
run: function(opts) {
opts.domains = opts.domains || Mailcheck.defaultDomains;
opts.secondLevelDomains = opts.secondLevelDomains || Mailcheck.defaultSecondLevelDomains;
opts.topLevelDomains = opts.topLevelDomains || Mailcheck.defaultTopLevelDomains;
opts.distanceFunction = opts.distanceFunction || Mailcheck.sift4Distance;
var defaultCallback = function(result){ return result; };
var suggestedCallback = opts.suggested || defaultCallback;
var emptyCallback = opts.empty || defaultCallback;
var result = Mailcheck.suggest(Mailcheck.encodeEmail(opts.email), opts.domains, opts.secondLevelDomains, opts.topLevelDomains, opts.distanceFunction);
return result ? suggestedCallback(result) : emptyCallback();
},
suggest: function(email, domains, secondLevelDomains, topLevelDomains, distanceFunction) {
email = email.toLowerCase();
var emailParts = this.splitEmail(email);
if (secondLevelDomains && topLevelDomains) {
// If the email is a valid 2nd-level + top-level, do not suggest anything.
if (secondLevelDomains.indexOf(emailParts.secondLevelDomain) !== -1 && topLevelDomains.indexOf(emailParts.topLevelDomain) !== -1) {
return false;
}
}
var closestDomain = this.findClosestDomain(emailParts.domain, domains, distanceFunction, this.domainThreshold);
if (closestDomain) {
if (closestDomain == emailParts.domain) {
// The email address exactly matches one of the supplied domains; do not return a suggestion.
return false;
} else {
// The email address closely matches one of the supplied domains; return a suggestion
return { address: emailParts.address, domain: closestDomain, full: emailParts.address + "@" + closestDomain };
}
}
// The email address does not closely match one of the supplied domains
var closestSecondLevelDomain = this.findClosestDomain(emailParts.secondLevelDomain, secondLevelDomains, distanceFunction, this.secondLevelThreshold);
var closestTopLevelDomain = this.findClosestDomain(emailParts.topLevelDomain, topLevelDomains, distanceFunction, this.topLevelThreshold);
if (emailParts.domain) {
closestDomain = emailParts.domain;
var rtrn = false;
if(closestSecondLevelDomain && closestSecondLevelDomain != emailParts.secondLevelDomain) {
// The email address may have a mispelled second-level domain; return a suggestion
closestDomain = closestDomain.replace(emailParts.secondLevelDomain, closestSecondLevelDomain);
rtrn = true;
}
if(closestTopLevelDomain && closestTopLevelDomain != emailParts.topLevelDomain && emailParts.secondLevelDomain !== '') {
// The email address may have a mispelled top-level domain; return a suggestion
closestDomain = closestDomain.replace(new RegExp(emailParts.topLevelDomain + "$"), closestTopLevelDomain);
rtrn = true;
}
if (rtrn) {
return { address: emailParts.address, domain: closestDomain, full: emailParts.address + "@" + closestDomain };
}
}
/* The email address exactly matches one of the supplied domains, does not closely
* match any domain and does not appear to simply have a mispelled top-level domain,
* or is an invalid email address; do not return a suggestion.
*/
return false;
},
findClosestDomain: function(domain, domains, distanceFunction, threshold) {
threshold = threshold || this.topLevelThreshold;
var dist;
var minDist = Infinity;
var closestDomain = null;
if (!domain || !domains) {
return false;
}
if(!distanceFunction) {
distanceFunction = this.sift4Distance;
}
for (var i = 0; i < domains.length; i++) {
if (domain === domains[i]) {
return domain;
}
dist = distanceFunction(domain, domains[i]);
if (dist < minDist) {
minDist = dist;
closestDomain = domains[i];
}
}
if (minDist <= threshold && closestDomain !== null) {
return closestDomain;
} else {
return false;
}
},
sift4Distance: function(s1, s2, maxOffset) {
// sift4: https://siderite.blogspot.com/2014/11/super-fast-and-accurate-string-distance.html
if (maxOffset === undefined) {
maxOffset = 5; //default
}
if (!s1||!s1.length) {
if (!s2) {
return 0;
}
return s2.length;
}
if (!s2||!s2.length) {
return s1.length;
}
var l1=s1.length;
var l2=s2.length;
var c1 = 0; //cursor for string 1
var c2 = 0; //cursor for string 2
var lcss = 0; //largest common subsequence
var local_cs = 0; //local common substring
var trans = 0; //number of transpositions ('ab' vs 'ba')
var offset_arr=[]; //offset pair array, for computing the transpositions
while ((c1 < l1) && (c2 < l2)) {
if (s1.charAt(c1) == s2.charAt(c2)) {
local_cs++;
var isTrans=false;
//see if current match is a transposition
var i=0;
while (i<offset_arr.length) {
var ofs=offset_arr[i];
if (c1<=ofs.c1 || c2 <= ofs.c2) {
// when two matches cross, the one considered a transposition is the one with the largest difference in offsets
isTrans=Math.abs(c2-c1)>=Math.abs(ofs.c2-ofs.c1);
if (isTrans)
{
trans++;
} else
{
if (!ofs.trans) {
ofs.trans=true;
trans++;
}
}
break;
} else {
if (c1>ofs.c2 && c2>ofs.c1) {
offset_arr.splice(i,1);
} else {
i++;
}
}
}
offset_arr.push({
c1:c1,
c2:c2,
trans:isTrans
});
} else {
lcss+=local_cs;
local_cs=0;
if (c1!=c2) {
c1=c2=Math.min(c1,c2); //using min allows the computation of transpositions
}
//if matching characters are found, remove 1 from both cursors (they get incremented at the end of the loop)
//so that we can have only one code block handling matches
for (var j = 0; j < maxOffset && (c1+j<l1 || c2+j<l2); j++) {
if ((c1 + j < l1) && (s1.charAt(c1 + j) == s2.charAt(c2))) {
c1+= j-1;
c2--;
break;
}
if ((c2 + j < l2) && (s1.charAt(c1) == s2.charAt(c2 + j))) {
c1--;
c2+= j-1;
break;
}
}
}
c1++;
c2++;
// this covers the case where the last match is on the last token in list, so that it can compute transpositions correctly
if ((c1 >= l1) || (c2 >= l2)) {
lcss+=local_cs;
local_cs=0;
c1=c2=Math.min(c1,c2);
}
}
lcss+=local_cs;
return Math.round(Math.max(l1,l2)- lcss +trans); //add the cost of transpositions to the final result
},
splitEmail: function(email) {
email = email !== null ? (email.replace(/^\s*/, '').replace(/\s*$/, '')) : null; // trim() not exist in old IE!
var parts = email.split('@');
if (parts.length < 2) {
return false;
}
for (var i = 0; i < parts.length; i++) {
if (parts[i] === '') {
return false;
}
}
var domain = parts.pop();
var domainParts = domain.split('.');
var sld = '';
var tld = '';
if (domainParts.length === 0) {
// The address does not have a top-level domain
return false;
} else if (domainParts.length == 1) {
// The address has only a top-level domain (valid under RFC)
tld = domainParts[0];
} else {
// The address has a domain and a top-level domain
sld = domainParts[0];
for (var j = 1; j < domainParts.length; j++) {
tld += domainParts[j] + '.';
}
tld = tld.substring(0, tld.length - 1);
}
return {
topLevelDomain: tld,
secondLevelDomain: sld,
domain: domain,
address: parts.join('@')
};
},
// Encode the email address to prevent XSS but leave in valid
// characters, following this official spec:
// http://en.wikipedia.org/wiki/Email_address#Syntax
encodeEmail: function(email) {
var result = encodeURI(email);
result = result.replace('%20', ' ').replace('%25', '%').replace('%5E', '^')
.replace('%60', '`').replace('%7B', '{').replace('%7C', '|')
.replace('%7D', '}');
return result;
}
};
// Export the mailcheck object if we're in a CommonJS env (e.g. Node).
// Modeled off of Underscore.js.
if (typeof module !== 'undefined' && module.exports) {
module.exports = Mailcheck;
}
// Support AMD style definitions
// Based on jQuery (see http://stackoverflow.com/a/17954882/1322410)
if (typeof define === "function" && define.amd) {
define("mailcheck", [], function() {
return Mailcheck;
});
}
if (typeof window !== 'undefined' && window.jQuery) {
(function($){
$.fn.mailcheck = function(opts) {
var self = this;
if (opts.suggested) {
var oldSuggested = opts.suggested;
opts.suggested = function(result) {
oldSuggested(self, result);
};
}
if (opts.empty) {
var oldEmpty = opts.empty;
opts.empty = function() {
oldEmpty.call(null, self);
};
}
opts.email = this.val();
Mailcheck.run(opts);
};
})(jQuery);
}
/*
* email-autocomplete - 0.1.3
* jQuery plugin that displays in-place autocomplete suggestions for email input fields.
*
*
* Made by Low Yong Zhen <yz@stargate.io>
*/
"use strict";
(function ($, window, document, undefined) {
var pluginName = "emailautocomplete";
var defaults = {
suggClass: "eac-sugg",
domains: ["yahoo.com" ,"hotmail.com" ,"gmail.com" ,"me.com" ,"aol.com" ,"mac.com" ,"live.com" ,"comcast.net" ,"googlemail.com" ,"msn.com" ,"hotmail.co.uk" ,"yahoo.com" ,"facebook.com" ,"verizon.net" ,"sbcglobal.net" ,"att.net" ,"gmx.com" ,"outlook.com" ,"icloud.com", "premio.io", "protonmail.com"]
};
function EmailAutocomplete(elem, options) {
this.$field = $(elem);
this.options = $.extend(true, {}, defaults, options); //we want deep extend
this._defaults = defaults;
this._domains = this.options.domains;
this.init();
}
EmailAutocomplete.prototype = {
init: function () {
//shim indexOf
if (!Array.prototype.indexOf) {
this.doIndexOf();
}
//this will be calculated upon keyup
this.fieldLeftOffset = null;
//wrap our field
var $wrap = $("<div class='eac-input-wrap' />").css({
display: this.$field.css("display"),
position: this.$field.css("position") === 'static' ? 'relative' : this.$field.css("position"),
fontSize: this.$field.css("fontSize")
});
this.$field.wrap($wrap);
//create container to test width of current val
this.$cval = $("<span class='eac-cval' />").css({
visibility: "hidden",
position: "absolute",
display: "inline-block",
fontFamily: this.$field.css("fontFamily"),
fontWeight: this.$field.css("fontWeight"),
letterSpacing: this.$field.css("letterSpacing")
}).insertAfter(this.$field);
//create the suggestion overlay
/* touchstart jquery 1.7+ */
var heightPad = (this.$field.outerHeight(true) - this.$field.height()) / 2; //padding+border
this.$suggOverlay = $("<span class='"+this.options.suggClass+"' />").css({
display: "block",
"box-sizing": "content-box", //standardize
lineHeight: this.$field.css('lineHeight'),
paddingTop: heightPad + "px",
paddingBottom: heightPad + "px",
fontFamily: this.$field.css("fontFamily"),
fontWeight: this.$field.css("fontWeight"),
letterSpacing: this.$field.css("letterSpacing"),
position: "absolute",
top: 0,
left: 0
}).insertAfter(this.$field);
//bind events and handlers
this.$field.on("keyup.eac", $.proxy(this.displaySuggestion, this));
this.$field.on("blur.eac", $.proxy(this.autocomplete, this));
this.$field.on("keydown.eac", $.proxy(function(e){
if(e.which === 39 || e.which === 9 || e.which === 32 || e.which === 13){
this.autocomplete();
}
if ( e.which === 9 && !this.$field.hasClass('email-focus')) {
this.$field.addClass('email-focus');
e.preventDefault();
}else {
if ( e.which === 32 ){
e.preventDefault();
}
this.$field.removeClass('email-focus');
}
}, this));
this.$field.on("click", $.proxy(function(e){
this.autocomplete();
}, this));
this.$suggOverlay.on("mousedown.eac touchstart.eac", $.proxy(this.autocomplete, this));
},
suggest: function (str) {
str = $.trim(str.toLowerCase());
var str_arr = str.split("@");
if (str_arr.length > 1) {
str = str_arr.pop();
if (!str.length) {
return "";
}
} else {
return "";
}
var match = this._domains.filter(function (domain) {
return domain.indexOf(str) === 0;
}).shift() || "";
return match.replace(str, "");
},
autocomplete: function () {
if(typeof this.suggestion === "undefined" || this.suggestion.length < 1){
return false;
}
this.$field.val(this.val + this.suggestion);
this.$suggOverlay.text("");
this.$cval.text("");
},
/**
* Displays the suggestion, handler for field keyup event
*/
displaySuggestion: function (e) {
this.val = this.$field.val();
this.suggestion = this.suggest(this.val);
if (!this.suggestion.length) {
this.$suggOverlay.text("");
} else {
e.preventDefault();
}
//update with new suggestion
this.$suggOverlay.text(this.suggestion);
this.$cval.text(this.val);
// get input padding, border and margin to offset text
if(this.fieldLeftOffset === null){
this.fieldLeftOffset = (this.$field.outerWidth(true) - this.$field.width()) / 2;
}
//find width of current input val so we can offset the suggestion text
var cvalWidth = this.$cval.width();
if(this.$field.outerWidth() > cvalWidth){
//offset our suggestion container
this.$suggOverlay.css('left', this.fieldLeftOffset + cvalWidth + "px");
}
},
/**
* indexof polyfill
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf#Polyfill
*/
doIndexOf: function(){
Array.prototype.indexOf = function (searchElement, fromIndex) {
if ( this === undefined || this === null ) {
throw new TypeError( '"this" is null or not defined' );
}
var length = this.length >>> 0; // Hack to convert object.length to a UInt32
fromIndex = +fromIndex || 0;
if (Math.abs(fromIndex) === Infinity) {
fromIndex = 0;
}
if (fromIndex < 0) {
fromIndex += length;
if (fromIndex < 0) {
fromIndex = 0;
}
}
for (;fromIndex < length; fromIndex++) {
if (this[fromIndex] === searchElement) {
return fromIndex;
}
}
return -1;
};
}
};
$.fn[pluginName] = function (options) {
return this.each(function () {
if (!$.data(this, "yz_" + pluginName)) {
$.data(this, "yz_" + pluginName, new EmailAutocomplete(this, options));
}
});
};
})(jQuery, window, document);