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const intlTelInputGlobals = {
getInstance: (input) => {
const id = input.getAttribute('data-intl-tel-input-id');
return window.intlTelInputGlobals.instances[id];
},
instances: {},
// using a global like this allows us to mock it in the tests
documentReady: () => document.readyState === 'complete',
};
if (typeof window === 'object') window.intlTelInputGlobals = intlTelInputGlobals;
// these vars persist through all instances of the plugin
let id = 0;
const defaults = {
// whether or not to allow the dropdown
allowDropdown: true,
// if there is just a dial code in the input: remove it on blur
autoHideDialCode: true,
// add a placeholder in the input with an example number for the selected country
autoPlaceholder: 'polite',
// modify the parentClass
customContainer: '',
// modify the auto placeholder
customPlaceholder: null,
// append menu to specified element
dropdownContainer: null,
// don't display these countries
excludeCountries: [],
// format the input value during initialisation and on setNumber
formatOnDisplay: true,
// geoIp lookup function
geoIpLookup: null,
// inject a hidden input with this name, and on submit, populate it with the result of getNumber
hiddenInput: '',
// initial country
initialCountry: '',
// localized country names e.g. { 'de': 'Deutschland' }
localizedCountries: null,
// don't insert international dial codes
nationalMode: true,
// display only these countries
onlyCountries: [],
// number type to use for placeholders
placeholderNumberType: 'MOBILE',
// the countries at the top of the list. defaults to united states and united kingdom
preferredCountries: ['us', 'gb'],
// display the country dial code next to the selected flag so it's not part of the typed number
separateDialCode: false,
// specify the path to the libphonenumber script to enable validation/formatting
utilsScript: '',
};
// https://en.wikipedia.org/wiki/List_of_North_American_Numbering_Plan_area_codes#Non-geographic_area_codes
const regionlessNanpNumbers = ['800', '822', '833', '844', '855', '866', '877', '880', '881', '882', '883', '884', '885', '886', '887', '888', '889'];
// utility function to iterate over an object. can't use Object.entries or native forEach because
// of IE11
const forEachProp = (obj, callback) => {
const keys = Object.keys(obj);
for (let i = 0; i < keys.length; i++) {
callback(keys[i], obj[keys[i]]);
}
};
// run a method on each instance of the plugin
const forEachInstance = (method) => {
forEachProp(window.intlTelInputGlobals.instances, (key) => {
window.intlTelInputGlobals.instances[key][method]();
});
};
// this is our plugin class that we will create an instance of
// eslint-disable-next-line no-unused-vars
class Iti {
constructor(input, options) {
this.id = id++;
this.telInput = input;
this.activeItem = null;
this.highlightedItem = null;
// process specified options / defaults
// alternative to Object.assign, which isn't supported by IE11
const customOptions = options || {};
this.options = {};
forEachProp(defaults, (key, value) => {
this.options[key] = (customOptions.hasOwnProperty(key)) ? customOptions[key] : value;
});
this.hadInitialPlaceholder = Boolean(input.getAttribute('placeholder'));
}
_init() {
// if in nationalMode, disable options relating to dial codes
if (this.options.nationalMode) this.options.autoHideDialCode = false;
// if separateDialCode then doesn't make sense to A) insert dial code into input
// (autoHideDialCode), and B) display national numbers (because we're displaying the country
// dial code next to them)
if (this.options.separateDialCode) {
this.options.autoHideDialCode = this.options.nationalMode = false;
}
// we cannot just test screen size as some smartphones/website meta tags will report desktop
// resolutions
// Note: for some reason jasmine breaks if you put this in the main Plugin function with the
// rest of these declarations
// Note: to target Android Mobiles (and not Tablets), we must find 'Android' and 'Mobile'
this.isMobile = /Android.+Mobile|webOS|iPhone|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent);
if (this.isMobile) {
// trigger the mobile dropdown css
document.body.classList.add('iti-mobile');
// on mobile, we want a full screen dropdown, so we must append it to the body
if (!this.options.dropdownContainer) this.options.dropdownContainer = document.body;
}
// these promises get resolved when their individual requests complete
// this way the dev can do something like iti.promise.then(...) to know when all requests are
// complete
if (typeof Promise !== 'undefined') {
const autoCountryPromise = new Promise((resolve, reject) => {
this.resolveAutoCountryPromise = resolve;
this.rejectAutoCountryPromise = reject;
});
const utilsScriptPromise = new Promise((resolve, reject) => {
this.resolveUtilsScriptPromise = resolve;
this.rejectUtilsScriptPromise = reject;
});
this.promise = Promise.all([autoCountryPromise, utilsScriptPromise]);
} else {
// prevent errors when Promise doesn't exist
this.resolveAutoCountryPromise = this.rejectAutoCountryPromise = () => {};
this.resolveUtilsScriptPromise = this.rejectUtilsScriptPromise = () => {};
}
// in various situations there could be no country selected initially, but we need to be able
// to assume this variable exists
this.selectedCountryData = {};
// process all the data: onlyCountries, excludeCountries, preferredCountries etc
this._processCountryData();
// generate the markup
this._generateMarkup();
// set the initial state of the input value and the selected flag
this._setInitialState();
// start all of the event listeners: autoHideDialCode, input keydown, selectedFlag click
this._initListeners();
// utils script, and auto country
this._initRequests();
}
/********************
* PRIVATE METHODS
********************/
// prepare all of the country data, including onlyCountries, excludeCountries and
// preferredCountries options
_processCountryData() {
// process onlyCountries or excludeCountries array if present
this._processAllCountries();
// process the countryCodes map
this._processCountryCodes();
// process the preferredCountries
this._processPreferredCountries();
// translate countries according to localizedCountries option
if (this.options.localizedCountries) this._translateCountriesByLocale();
// sort countries by name
if (this.options.onlyCountries.length || this.options.localizedCountries) {
this.countries.sort(this._countryNameSort);
}
}
// add a country code to this.countryCodes
_addCountryCode(iso2, countryCode, priority) {
if (countryCode.length > this.countryCodeMaxLen) {
this.countryCodeMaxLen = countryCode.length;
}
if (!this.countryCodes.hasOwnProperty(countryCode)) {
this.countryCodes[countryCode] = [];
}
// bail if we already have this country for this countryCode
for (let i = 0; i < this.countryCodes[countryCode].length; i++) {
if (this.countryCodes[countryCode][i] === iso2) return;
}
// check for undefined as 0 is falsy
const index = (priority !== undefined) ? priority : this.countryCodes[countryCode].length;
this.countryCodes[countryCode][index] = iso2;
}
// process onlyCountries or excludeCountries array if present
_processAllCountries() {
if (this.options.onlyCountries.length) {
const lowerCaseOnlyCountries = this.options.onlyCountries.map(
country => country.toLowerCase()
);
this.countries = allCountries.filter(
country => lowerCaseOnlyCountries.indexOf(country.iso2) > -1
);
} else if (this.options.excludeCountries.length) {
const lowerCaseExcludeCountries = this.options.excludeCountries.map(
country => country.toLowerCase()
);
this.countries = allCountries.filter(
country => lowerCaseExcludeCountries.indexOf(country.iso2) === -1
);
} else {
this.countries = allCountries;
}
}
// Translate Countries by object literal provided on config
_translateCountriesByLocale() {
for (let i = 0; i < this.countries.length; i++) {
const iso = this.countries[i].iso2.toLowerCase();
if (this.options.localizedCountries.hasOwnProperty(iso)) {
this.countries[i].name = this.options.localizedCountries[iso];
}
}
}
// sort by country name
_countryNameSort(a, b) {
return a.name.localeCompare(b.name);
}
// process the countryCodes map
_processCountryCodes() {
this.countryCodeMaxLen = 0;
// here we store just dial codes
this.dialCodes = {};
// here we store "country codes" (both dial codes and their area codes)
this.countryCodes = {};
// first: add dial codes
for (let i = 0; i < this.countries.length; i++) {
const c = this.countries[i];
if (!this.dialCodes[c.dialCode]) this.dialCodes[c.dialCode] = true;
this._addCountryCode(c.iso2, c.dialCode, c.priority);
}
// next: add area codes
// this is a second loop over countries, to make sure we have all of the "root" countries
// already in the map, so that we can access them, as each time we add an area code substring
// to the map, we also need to include the "root" country's code, as that also matches
for (let i = 0; i < this.countries.length; i++) {
const c = this.countries[i];
// area codes
if (c.areaCodes) {
const rootCountryCode = this.countryCodes[c.dialCode][0];
// for each area code
for (let j = 0; j < c.areaCodes.length; j++) {
const areaCode = c.areaCodes[j];
// for each digit in the area code to add all partial matches as well
for (let k = 1; k < areaCode.length; k++) {
const partialDialCode = c.dialCode + areaCode.substr(0, k);
// start with the root country, as that also matches this dial code
this._addCountryCode(rootCountryCode, partialDialCode);
this._addCountryCode(c.iso2, partialDialCode);
}
// add the full area code
this._addCountryCode(c.iso2, c.dialCode + areaCode);
}
}
}
}
// process preferred countries - iterate through the preferences, fetching the country data for
// each one
_processPreferredCountries() {
this.preferredCountries = [];
for (let i = 0; i < this.options.preferredCountries.length; i++) {
const countryCode = this.options.preferredCountries[i].toLowerCase();
const countryData = this._getCountryData(countryCode, false, true);
if (countryData) this.preferredCountries.push(countryData);
}
}
// create a DOM element
_createEl(name, attrs, container) {
const el = document.createElement(name);
if (attrs) forEachProp(attrs, (key, value) => el.setAttribute(key, value));
if (container) container.appendChild(el);
return el;
}
// generate all of the markup for the plugin: the selected flag overlay, and the dropdown
_generateMarkup() {
// if autocomplete does not exist on the element and its form, then
// prevent autocomplete as there's no safe, cross-browser event we can react to, so it can
// easily put the plugin in an inconsistent state e.g. the wrong flag selected for the
// autocompleted number, which on submit could mean wrong number is saved (esp in nationalMode)
if (!this.telInput.hasAttribute('autocomplete') && !(this.telInput.form && this.telInput.form.hasAttribute('autocomplete'))) {
this.telInput.setAttribute('autocomplete', 'off');
}
// containers (mostly for positioning)
let parentClass = 'iti';
if (this.options.allowDropdown) parentClass += ' iti--allow-dropdown';
if (this.options.separateDialCode) parentClass += ' iti--separate-dial-code';
if (this.options.customContainer) {
parentClass += ' ';
parentClass += this.options.customContainer;
}
const wrapper = this._createEl('div', { class: parentClass });
this.telInput.parentNode.insertBefore(wrapper, this.telInput);
this.flagsContainer = this._createEl('div', { class: 'iti__flag-container' }, wrapper);
wrapper.appendChild(this.telInput);
// selected flag (displayed to left of input)
this.selectedFlag = this._createEl('div', {
class: 'iti__selected-flag',
role: 'combobox',
'aria-controls': `iti-${this.id}__country-listbox`,
'aria-owns': `iti-${this.id}__country-listbox`,
'aria-expanded': 'false',
}, this.flagsContainer);
this.selectedFlagInner = this._createEl('div', { class: 'iti__flag' }, this.selectedFlag);
if (this.options.separateDialCode) {
this.selectedDialCode = this._createEl('div', { class: 'iti__selected-dial-code' }, this.selectedFlag);
}
if (this.options.allowDropdown) {
// make element focusable and tab navigable
this.selectedFlag.setAttribute('tabindex', '0');
this.dropdownArrow = this._createEl('div', { class: 'iti__arrow' }, this.selectedFlag);
// country dropdown: preferred countries, then divider, then all countries
this.countryList = this._createEl('ul', {
class: 'iti__country-list iti__hide',
id: `iti-${this.id}__country-listbox`,
role: 'listbox',
'aria-label': 'List of countries',
});
if (this.preferredCountries.length) {
this._appendListItems(this.preferredCountries, 'iti__preferred', true);
this._createEl('li', {
class: 'iti__divider',
role: 'separator',
'aria-disabled': 'true',
}, this.countryList);
}
this._appendListItems(this.countries, 'iti__standard');
// create dropdownContainer markup
if (this.options.dropdownContainer) {
this.dropdown = this._createEl('div', { class: 'iti iti--container' });
this.dropdown.appendChild(this.countryList);
} else {
this.flagsContainer.appendChild(this.countryList);
}
}
if (this.options.hiddenInput) {
let hiddenInputName = this.options.hiddenInput;
const name = this.telInput.getAttribute('name');
if (name) {
const i = name.lastIndexOf('[');
// if input name contains square brackets, then give the hidden input the same name,
// replacing the contents of the last set of brackets with the given hiddenInput name
if (i !== -1) hiddenInputName = `${name.substr(0, i)}[${hiddenInputName}]`;
}
this.hiddenInput = this._createEl('input', {
type: 'hidden',
name: hiddenInputName,
});
wrapper.appendChild(this.hiddenInput);
}
}
// add a country <li> to the countryList <ul> container
_appendListItems(countries, className, preferred) {
// we create so many DOM elements, it is faster to build a temp string
// and then add everything to the DOM in one go at the end
let tmp = '';
// for each country
for (let i = 0; i < countries.length; i++) {
const c = countries[i];
const idSuffix = preferred ? '-preferred' : '';
// open the list item
tmp += `<li class='iti__country ${className}' tabIndex='-1' id='iti-${this.id}__item-${c.iso2}${idSuffix}' role='option' data-dial-code='${c.dialCode}' data-country-code='${c.iso2}' aria-selected='false'>`;
// add the flag
tmp += `<div class='iti__flag-box'><div class='iti__flag iti__${c.iso2}'></div></div>`;
// and the country name and dial code
tmp += `<span class='iti__country-name'>${c.name}</span>`;
tmp += `<span class='iti__dial-code'>+${c.dialCode}</span>`;
// close the list item
tmp += '</li>';
}
this.countryList.insertAdjacentHTML('beforeend', tmp);
}
// set the initial state of the input value and the selected flag by:
// 1. extracting a dial code from the given number
// 2. using explicit initialCountry
// 3. picking the first preferred country
// 4. picking the first country
_setInitialState() {
// fix firefox bug: when first load page (with input with value set to number with intl dial
// code) and initialising plugin removes the dial code from the input, then refresh page,
// and we try to init plugin again but this time on number without dial code so get grey flag
const attributeValue = this.telInput.getAttribute('value');
const inputValue = this.telInput.value;
const useAttribute = (attributeValue && attributeValue.charAt(0) === '+' && (!inputValue || inputValue.charAt(0) !== '+'));
const val = useAttribute ? attributeValue : inputValue;
const dialCode = this._getDialCode(val);
const isRegionlessNanp = this._isRegionlessNanp(val);
const {
initialCountry,
nationalMode,
autoHideDialCode,
separateDialCode,
} = this.options;
// if we already have a dial code, and it's not a regionlessNanp, we can go ahead and set the
// flag, else fall back to the default country
if (dialCode && !isRegionlessNanp) {
this._updateFlagFromNumber(val);
} else if (initialCountry !== 'auto') {
// see if we should select a flag
if (initialCountry) {
this._setFlag(initialCountry.toLowerCase());
} else {
if (dialCode && isRegionlessNanp) {
// has intl dial code, is regionless nanp, and no initialCountry, so default to US
this._setFlag('us');
} else {
// no dial code and no initialCountry, so default to first in list
this.defaultCountry = (this.preferredCountries.length) ? this.preferredCountries[0].iso2
: this.countries[0].iso2;
if (!val) {
this._setFlag(this.defaultCountry);
}
}
}
// if empty and no nationalMode and no autoHideDialCode then insert the default dial code
if (!val && !nationalMode && !autoHideDialCode && !separateDialCode) {
this.telInput.value = `+${this.selectedCountryData.dialCode}`;
}
}
// NOTE: if initialCountry is set to auto, that will be handled separately
// format - note this wont be run after _updateDialCode as that's only called if no val
if (val) this._updateValFromNumber(val);
}
// initialise the main event listeners: input keyup, and click selected flag
_initListeners() {
this._initKeyListeners();
if (this.options.autoHideDialCode) this._initBlurListeners();
if (this.options.allowDropdown) this._initDropdownListeners();
if (this.hiddenInput) this._initHiddenInputListener();
}
// update hidden input on form submit
_initHiddenInputListener() {
this._handleHiddenInputSubmit = () => {
this.hiddenInput.value = this.getNumber();
};
if (this.telInput.form) this.telInput.form.addEventListener('submit', this._handleHiddenInputSubmit);
}
// iterate through parent nodes to find the closest label ancestor, if it exists
_getClosestLabel() {
let el = this.telInput;
while (el && el.tagName !== 'LABEL') el = el.parentNode;
return el;
}
// initialise the dropdown listeners
_initDropdownListeners() {
// hack for input nested inside label (which is valid markup): clicking the selected-flag to
// open the dropdown would then automatically trigger a 2nd click on the input which would
// close it again
this._handleLabelClick = (e) => {
// if the dropdown is closed, then focus the input, else ignore the click
if (this.countryList.classList.contains('iti__hide')) this.telInput.focus();
else e.preventDefault();
};
const label = this._getClosestLabel();
if (label) label.addEventListener('click', this._handleLabelClick);
// toggle country dropdown on click
this._handleClickSelectedFlag = () => {
// only intercept this event if we're opening the dropdown
// else let it bubble up to the top ("click-off-to-close" listener)
// we cannot just stopPropagation as it may be needed to close another instance
if (this.countryList.classList.contains('iti__hide') && !this.telInput.disabled && !this.telInput.readOnly) {
this._showDropdown();
}
};
this.selectedFlag.addEventListener('click', this._handleClickSelectedFlag);
// open dropdown list if currently focused
this._handleFlagsContainerKeydown = (e) => {
const isDropdownHidden = this.countryList.classList.contains('iti__hide');
if (isDropdownHidden && ['ArrowUp', 'Up', 'ArrowDown', 'Down', ' ', 'Enter'].indexOf(e.key) !== -1) {
// prevent form from being submitted if "ENTER" was pressed
e.preventDefault();
// prevent event from being handled again by document
e.stopPropagation();
this._showDropdown();
}
// allow navigation from dropdown to input on TAB
if (e.key === 'Tab') this._closeDropdown();
};
this.flagsContainer.addEventListener('keydown', this._handleFlagsContainerKeydown);
}
// init many requests: utils script / geo ip lookup
_initRequests() {
// if the user has specified the path to the utils script, fetch it on window.load, else resolve
if (this.options.utilsScript && !window.intlTelInputUtils) {
// if the plugin is being initialised after the window.load event has already been fired
if (window.intlTelInputGlobals.documentReady()) {
window.intlTelInputGlobals.loadUtils(this.options.utilsScript);
} else {
// wait until the load event so we don't block any other requests e.g. the flags image
window.addEventListener('load', () => {
window.intlTelInputGlobals.loadUtils(this.options.utilsScript);
});
}
} else this.resolveUtilsScriptPromise();
if (this.options.initialCountry === 'auto') this._loadAutoCountry();
else this.resolveAutoCountryPromise();
}
// perform the geo ip lookup
_loadAutoCountry() {
// 3 options:
// 1) already loaded (we're done)
// 2) not already started loading (start)
// 3) already started loading (do nothing - just wait for loading callback to fire)
if (window.intlTelInputGlobals.autoCountry) {
this.handleAutoCountry();
} else if (!window.intlTelInputGlobals.startedLoadingAutoCountry) {
// don't do this twice!
window.intlTelInputGlobals.startedLoadingAutoCountry = true;
if (typeof this.options.geoIpLookup === 'function') {
this.options.geoIpLookup((countryCode) => {
window.intlTelInputGlobals.autoCountry = countryCode.toLowerCase();
// tell all instances the auto country is ready
// TODO: this should just be the current instances
// UPDATE: use setTimeout in case their geoIpLookup function calls this callback straight
// away (e.g. if they have already done the geo ip lookup somewhere else). Using
// setTimeout means that the current thread of execution will finish before executing
// this, which allows the plugin to finish initialising.
setTimeout(() => forEachInstance('handleAutoCountry'));
}, () => forEachInstance('rejectAutoCountryPromise'));
}
}
}
// initialize any key listeners
_initKeyListeners() {
// update flag on keyup
this._handleKeyupEvent = () => {
if (this._updateFlagFromNumber(this.telInput.value)) {
this._triggerCountryChange();
}
};
this.telInput.addEventListener('keyup', this._handleKeyupEvent);
// update flag on cut/paste events (now supported in all major browsers)
this._handleClipboardEvent = () => {
// hack because "paste" event is fired before input is updated
setTimeout(this._handleKeyupEvent);
};
this.telInput.addEventListener('cut', this._handleClipboardEvent);
this.telInput.addEventListener('paste', this._handleClipboardEvent);
}
// adhere to the input's maxlength attr
_cap(number) {
const max = this.telInput.getAttribute('maxlength');
return (max && number.length > max) ? number.substr(0, max) : number;
}
// listen for blur/submit (for autoHideDialCode feature)
_initBlurListeners() {
// on blur or form submit: if just a dial code then remove it
this._handleSubmitOrBlurEvent = () => {
this._removeEmptyDialCode();
};
if (this.telInput.form) this.telInput.form.addEventListener('submit', this._handleSubmitOrBlurEvent);
this.telInput.addEventListener('blur', this._handleSubmitOrBlurEvent);
// made the decision not to trigger blur() now, because would only do anything in the case
// where they manually set the initial value to just a dial code, in which case they probably
// want it to be displayed.
}
// clear the input if it just contains a dial code
_removeEmptyDialCode() {
if (this.telInput.value.charAt(0) === '+') {
const numeric = this._getNumeric(this.telInput.value);
// if just a plus, or if just a dial code
if (!numeric || this.selectedCountryData.dialCode === numeric) {
this.telInput.value = '';
}
}
}
// extract the numeric digits from the given string
_getNumeric(s) {
return s.replace(/\D/g, '');
}
// trigger a custom event on the input
_trigger(name) {
// have to use old school document.createEvent as IE11 doesn't support `new Event()` syntax
const e = document.createEvent('Event');
e.initEvent(name, true, true); // can bubble, and is cancellable
this.telInput.dispatchEvent(e);
}
// show the dropdown
_showDropdown() {
this.countryList.classList.remove('iti__hide');
this.selectedFlag.setAttribute('aria-expanded', 'true');
this._setDropdownPosition();
// update highlighting and scroll to active list item
if (this.activeItem) {
this._highlightListItem(this.activeItem, false);
this._scrollTo(this.activeItem, true);
}
// bind all the dropdown-related listeners: mouseover, click, click-off, keydown
this._bindDropdownListeners();
// update the arrow
this.dropdownArrow.classList.add('iti__arrow--up');
this._trigger('open:countrydropdown');
}
// make sure the el has the className or not, depending on the value of shouldHaveClass
_toggleClass(el, className, shouldHaveClass) {
if (shouldHaveClass && !el.classList.contains(className)) el.classList.add(className);
else if (!shouldHaveClass && el.classList.contains(className)) el.classList.remove(className);
}
// decide where to position dropdown (depends on position within viewport, and scroll)
_setDropdownPosition() {
if (this.options.dropdownContainer) {
this.options.dropdownContainer.appendChild(this.dropdown);
}
if (!this.isMobile) {
const pos = this.telInput.getBoundingClientRect();
// windowTop from https://stackoverflow.com/a/14384091/217866
const windowTop = window.pageYOffset || document.documentElement.scrollTop;
const inputTop = pos.top + windowTop;
const dropdownHeight = this.countryList.offsetHeight;
// dropdownFitsBelow = (dropdownBottom < windowBottom)
const dropdownFitsBelow = (inputTop + this.telInput.offsetHeight + dropdownHeight
< (windowTop + window.innerHeight));
const dropdownFitsAbove = (inputTop - dropdownHeight > windowTop);
// by default, the dropdown will be below the input. If we want to position it above the
// input, we add the dropup class.
this._toggleClass(this.countryList, 'iti__country-list--dropup', (!dropdownFitsBelow && dropdownFitsAbove));
// if dropdownContainer is enabled, calculate postion
if (this.options.dropdownContainer) {
// by default the dropdown will be directly over the input because it's not in the flow.
// If we want to position it below, we need to add some extra top value.
const extraTop = (!dropdownFitsBelow && dropdownFitsAbove) ? 0 : this.telInput.offsetHeight;
// calculate placement
this.dropdown.style.top = `${inputTop + extraTop}px`;
this.dropdown.style.left = `${pos.left + document.body.scrollLeft}px`;
// close menu on window scroll
this._handleWindowScroll = () => this._closeDropdown();
window.addEventListener('scroll', this._handleWindowScroll);
}
}
}
// iterate through parent nodes to find the closest list item
_getClosestListItem(target) {
let el = target;
while (el && el !== this.countryList && !el.classList.contains('iti__country')) el = el.parentNode;
// if we reached the countryList element, then return null
return (el === this.countryList) ? null : el;
}
// we only bind dropdown listeners when the dropdown is open
_bindDropdownListeners() {
// when mouse over a list item, just highlight that one
// we add the class "highlight", so if they hit "enter" we know which one to select
this._handleMouseoverCountryList = (e) => {
// handle event delegation, as we're listening for this event on the countryList
const listItem = this._getClosestListItem(e.target);
if (listItem) this._highlightListItem(listItem, false);
};
this.countryList.addEventListener('mouseover', this._handleMouseoverCountryList);
// listen for country selection
this._handleClickCountryList = (e) => {
const listItem = this._getClosestListItem(e.target);
if (listItem) this._selectListItem(listItem);
};
this.countryList.addEventListener('click', this._handleClickCountryList);
// click off to close
// (except when this initial opening click is bubbling up)
// we cannot just stopPropagation as it may be needed to close another instance
let isOpening = true;
this._handleClickOffToClose = () => {
if (!isOpening) this._closeDropdown();
isOpening = false;
};
document.documentElement.addEventListener('click', this._handleClickOffToClose);
// listen for up/down scrolling, enter to select, or letters to jump to country name.
// use keydown as keypress doesn't fire for non-char keys and we want to catch if they
// just hit down and hold it to scroll down (no keyup event).
// listen on the document because that's where key events are triggered if no input has focus
let query = '';
let queryTimer = null;
this._handleKeydownOnDropdown = (e) => {
// prevent down key from scrolling the whole page,
// and enter key from submitting a form etc
e.preventDefault();
// up and down to navigate
if (e.key === 'ArrowUp' || e.key === 'Up' || e.key === 'ArrowDown' || e.key === 'Down') this._handleUpDownKey(e.key);
// enter to select
else if (e.key === 'Enter') this._handleEnterKey();
// esc to close
else if (e.key === 'Escape') this._closeDropdown();
// alpha chars to perform search
// regex allows one latin alpha char or space, based on https://stackoverflow.com/a/26900132/217866)
else if (/^[a-zA-ZÀ-ÿа-яА-Я ]$/.test(e.key)) {
// jump to countries that start with the query string
if (queryTimer) clearTimeout(queryTimer);
query += e.key.toLowerCase();
this._searchForCountry(query);
// if the timer hits 1 second, reset the query
queryTimer = setTimeout(() => {
query = '';
}, 1000);
}
};
document.addEventListener('keydown', this._handleKeydownOnDropdown);
}
// highlight the next/prev item in the list (and ensure it is visible)
_handleUpDownKey(key) {
let next = (key === 'ArrowUp' || key === 'Up') ? this.highlightedItem.previousElementSibling : this.highlightedItem.nextElementSibling;
if (next) {
// skip the divider
if (next.classList.contains('iti__divider')) {
next = (key === 'ArrowUp' || key === 'Up') ? next.previousElementSibling : next.nextElementSibling;
}
this._highlightListItem(next, true);
}
}
// select the currently highlighted item
_handleEnterKey() {
if (this.highlightedItem) this._selectListItem(this.highlightedItem);
}
// find the first list item whose name starts with the query string
_searchForCountry(query) {
for (let i = 0; i < this.countries.length; i++) {
if (this._startsWith(this.countries[i].name, query)) {
const listItem = this.countryList.querySelector(`#iti-${this.id}__item-${this.countries[i].iso2}`);
// update highlighting and scroll
this._highlightListItem(listItem, false);
this._scrollTo(listItem, true);
break;
}
}
}
// check if string a starts with string b
_startsWith(a, b) {
return (a.substr(0, b.length).toLowerCase() === b);
}
// update the input's value to the given val (format first if possible)
// NOTE: this is called from _setInitialState, handleUtils and setNumber
_updateValFromNumber(originalNumber) {
let number = originalNumber;
if (this.options.formatOnDisplay && window.intlTelInputUtils && this.selectedCountryData) {
const useNational = (!this.options.separateDialCode
&& (this.options.nationalMode || number.charAt(0) !== '+'));
const { NATIONAL, INTERNATIONAL } = intlTelInputUtils.numberFormat;
const format = useNational ? NATIONAL : INTERNATIONAL;
number = intlTelInputUtils.formatNumber(number, this.selectedCountryData.iso2, format);
}
number = this._beforeSetNumber(number);
this.telInput.value = number;
}
// check if need to select a new flag based on the given number
// Note: called from _setInitialState, keyup handler, setNumber
_updateFlagFromNumber(originalNumber) {
// if we're in nationalMode and we already have US/Canada selected, make sure the number starts
// with a +1 so _getDialCode will be able to extract the area code
// update: if we dont yet have selectedCountryData, but we're here (trying to update the flag
// from the number), that means we're initialising the plugin with a number that already has a
// dial code, so fine to ignore this bit
let number = originalNumber;
const selectedDialCode = this.selectedCountryData.dialCode;
const isNanp = selectedDialCode === '1';
if (number && this.options.nationalMode && isNanp && number.charAt(0) !== '+') {
if (number.charAt(0) !== '1') number = `1${number}`;
number = `+${number}`;
}
// update flag if user types area code for another country
if (this.options.separateDialCode && selectedDialCode && number.charAt(0) !== '+') {
number = `+${selectedDialCode}${number}`;
}
// try and extract valid dial code from input
const dialCode = this._getDialCode(number, true);
const numeric = this._getNumeric(number);
let countryCode = null;
if (dialCode) {
const countryCodes = this.countryCodes[this._getNumeric(dialCode)];
// check if the right country is already selected. this should be false if the number is
// longer than the matched dial code because in this case we need to make sure that if
// there are multiple country matches, that the first one is selected (note: we could
// just check that here, but it requires the same loop that we already have later)
const alreadySelected = (countryCodes.indexOf(this.selectedCountryData.iso2) !== -1)
&& (numeric.length <= dialCode.length - 1);
const isRegionlessNanpNumber = (selectedDialCode === '1' && this._isRegionlessNanp(numeric));
// only update the flag if:
// A) NOT (we currently have a NANP flag selected, and the number is a regionlessNanp)
// AND
// B) the right country is not already selected
if (!isRegionlessNanpNumber && !alreadySelected) {
// if using onlyCountries option, countryCodes[0] may be empty, so we must find the first
// non-empty index
for (let j = 0; j < countryCodes.length; j++) {
if (countryCodes[j]) {
countryCode = countryCodes[j];
break;
}
}
}
} else if (number.charAt(0) === '+' && numeric.length) {
// invalid dial code, so empty
// Note: use getNumeric here because the number has not been formatted yet, so could contain
// bad chars
countryCode = '';
} else if (!number || number === '+') {
// empty, or just a plus, so default
countryCode = this.defaultCountry;
}
if (countryCode !== null) {
return this._setFlag(countryCode);
}
return false;
}
// check if the given number is a regionless NANP number (expects the number to contain an
// international dial code)
_isRegionlessNanp(number) {
const numeric = this._getNumeric(number);
if (numeric.charAt(0) === '1') {
const areaCode = numeric.substr(1, 3);
return (regionlessNanpNumbers.indexOf(areaCode) !== -1);
}
return false;
}
// remove highlighting from other list items and highlight the given item
_highlightListItem(listItem, shouldFocus) {
const prevItem = this.highlightedItem;
if (prevItem) prevItem.classList.remove('iti__highlight');
this.highlightedItem = listItem;
this.highlightedItem.classList.add('iti__highlight');
if (shouldFocus) this.highlightedItem.focus();
}
// find the country data for the given country code
// the ignoreOnlyCountriesOption is only used during init() while parsing the onlyCountries array
_getCountryData(countryCode, ignoreOnlyCountriesOption, allowFail) {
const countryList = (ignoreOnlyCountriesOption) ? allCountries : this.countries;
for (let i = 0; i < countryList.length; i++) {
if (countryList[i].iso2 === countryCode) {
return countryList[i];
}
}
if (allowFail) {
return null;
}
throw new Error(`No country data for '${countryCode}'`);
}
// select the given flag, update the placeholder and the active list item
// Note: called from _setInitialState, _updateFlagFromNumber, _selectListItem, setCountry
_setFlag(countryCode) {
const prevCountry = (this.selectedCountryData.iso2) ? this.selectedCountryData : {};
// do this first as it will throw an error and stop if countryCode is invalid
this.selectedCountryData = (countryCode) ? this._getCountryData(countryCode, false, false) : {};
// update the defaultCountry - we only need the iso2 from now on, so just store that
if (this.selectedCountryData.iso2) {
this.defaultCountry = this.selectedCountryData.iso2;
}
this.selectedFlagInner.setAttribute('class', `iti__flag iti__${countryCode}`);
// update the selected country's title attribute
const title = (countryCode) ? `${this.selectedCountryData.name}: +${this.selectedCountryData.dialCode}` : 'Unknown';
this.selectedFlag.setAttribute('title', title);
if (this.options.separateDialCode) {
const dialCode = (this.selectedCountryData.dialCode) ? `+${this.selectedCountryData.dialCode}` : '';
this.selectedDialCode.innerHTML = dialCode;
// offsetWidth is zero if input is in a hidden container during initialisation
const selectedFlagWidth = this.selectedFlag.offsetWidth || this._getHiddenSelectedFlagWidth();
// add 6px of padding after the grey selected-dial-code box, as this is what we use in the css
this.telInput.style.paddingLeft = `${selectedFlagWidth + 6}px`;
}
// and the input's placeholder
this._updatePlaceholder();
// update the active list item
if (this.options.allowDropdown) {
const prevItem = this.activeItem;
if (prevItem) {
prevItem.classList.remove('iti__active');
prevItem.setAttribute('aria-selected', 'false');
}
if (countryCode) {
// check if there is a preferred item first, else fall back to standard
const nextItem = this.countryList.querySelector(`#iti-${this.id}__item-${countryCode}-preferred`) || this.countryList.querySelector(`#iti-${this.id}__item-${countryCode}`);
nextItem.setAttribute('aria-selected', 'true');
nextItem.classList.add('iti__active');
this.activeItem = nextItem;
this.selectedFlag.setAttribute('aria-activedescendant', nextItem.getAttribute('id'));
}
}
// return if the flag has changed or not
return (prevCountry.iso2 !== countryCode);
}
// when the input is in a hidden container during initialisation, we must inject some markup
// into the end of the DOM to calculate the correct offsetWidth
_getHiddenSelectedFlagWidth() {
// to get the right styling to apply, all we need is a shallow clone of the container,
// and then to inject a deep clone of the selectedFlag element
const containerClone = this.telInput.parentNode.cloneNode();
containerClone.style.visibility = 'hidden';
document.body.appendChild(containerClone);
const flagsContainerClone = this.flagsContainer.cloneNode();
containerClone.appendChild(flagsContainerClone);
const selectedFlagClone = this.selectedFlag.cloneNode(true);
flagsContainerClone.appendChild(selectedFlagClone);
const width = selectedFlagClone.offsetWidth;
containerClone.parentNode.removeChild(containerClone);
return width;
}
// update the input placeholder to an example number from the currently selected country
_updatePlaceholder() {
const shouldSetPlaceholder = (this.options.autoPlaceholder === 'aggressive') || (!this.hadInitialPlaceholder && this.options.autoPlaceholder === 'polite');
if (window.intlTelInputUtils && shouldSetPlaceholder) {
const numberType = intlTelInputUtils.numberType[this.options.placeholderNumberType];
let placeholder = (this.selectedCountryData.iso2) ? intlTelInputUtils.getExampleNumber(this.selectedCountryData.iso2, this.options.nationalMode, numberType) : '';
placeholder = this._beforeSetNumber(placeholder);
if (typeof this.options.customPlaceholder === 'function') {
placeholder = this.options.customPlaceholder(placeholder, this.selectedCountryData);
}
this.telInput.setAttribute('placeholder', placeholder);
}
}
// called when the user selects a list item from the dropdown
_selectListItem(listItem) {
// update selected flag and active list item
const flagChanged = this._setFlag(listItem.getAttribute('data-country-code'));
this._closeDropdown();
this._updateDialCode(listItem.getAttribute('data-dial-code'), true);
// focus the input
this.telInput.focus();
// put cursor at end - this fix is required for FF and IE11 (with nationalMode=false i.e. auto
// inserting dial code), who try to put the cursor at the beginning the first time
const len = this.telInput.value.length;
this.telInput.setSelectionRange(len, len);
if (flagChanged) {
this._triggerCountryChange();
}
}
// close the dropdown and unbind any listeners
_closeDropdown() {
this.countryList.classList.add('iti__hide');
this.selectedFlag.setAttribute('aria-expanded', 'false');
// update the arrow
this.dropdownArrow.classList.remove('iti__arrow--up');
// unbind key events
document.removeEventListener('keydown', this._handleKeydownOnDropdown);
document.documentElement.removeEventListener('click', this._handleClickOffToClose);
this.countryList.removeEventListener('mouseover', this._handleMouseoverCountryList);
this.countryList.removeEventListener('click', this._handleClickCountryList);
// remove menu from container
if (this.options.dropdownContainer) {
if (!this.isMobile) window.removeEventListener('scroll', this._handleWindowScroll);
if (this.dropdown.parentNode) this.dropdown.parentNode.removeChild(this.dropdown);
}
this._trigger('close:countrydropdown');
}
// check if an element is visible within it's container, else scroll until it is
_scrollTo(element, middle) {
const container = this.countryList;
// windowTop from https://stackoverflow.com/a/14384091/217866
const windowTop = window.pageYOffset || document.documentElement.scrollTop;
const containerHeight = container.offsetHeight;
const containerTop = container.getBoundingClientRect().top + windowTop;
const containerBottom = containerTop + containerHeight;
const elementHeight = element.offsetHeight;
const elementTop = element.getBoundingClientRect().top + windowTop;
const elementBottom = elementTop + elementHeight;
let newScrollTop = elementTop - containerTop + container.scrollTop;
const middleOffset = (containerHeight / 2) - (elementHeight / 2);
if (elementTop < containerTop) {
// scroll up
if (middle) newScrollTop -= middleOffset;
container.scrollTop = newScrollTop;
} else if (elementBottom > containerBottom) {
// scroll down
if (middle) newScrollTop += middleOffset;
const heightDifference = containerHeight - elementHeight;
container.scrollTop = newScrollTop - heightDifference;
}
}
// replace any existing dial code with the new one
// Note: called from _selectListItem and setCountry
_updateDialCode(newDialCodeBare, hasSelectedListItem) {
const inputVal = this.telInput.value;
// save having to pass this every time
const newDialCode = `+${newDialCodeBare}`;
let newNumber;
if (inputVal.charAt(0) === '+') {
// there's a plus so we're dealing with a replacement (doesn't matter if nationalMode or not)
const prevDialCode = this._getDialCode(inputVal);
if (prevDialCode) {
// current number contains a valid dial code, so replace it
newNumber = inputVal.replace(prevDialCode, newDialCode);
} else {
// current number contains an invalid dial code, so ditch it
// (no way to determine where the invalid dial code ends and the rest of the number begins)
newNumber = newDialCode;
}
} else if (this.options.nationalMode || this.options.separateDialCode) {
// don't do anything
return;
} else {
// nationalMode is disabled
if (inputVal) {
// there is an existing value with no dial code: prefix the new dial code
newNumber = newDialCode + inputVal;
} else if (hasSelectedListItem || !this.options.autoHideDialCode) {
// no existing value and either they've just selected a list item, or autoHideDialCode is
// disabled: insert new dial code
newNumber = newDialCode;
} else {
return;
}
}
this.telInput.value = newNumber;
}
// try and extract a valid international dial code from a full telephone number
// Note: returns the raw string inc plus character and any whitespace/dots etc
_getDialCode(number, includeAreaCode) {
let dialCode = '';
// only interested in international numbers (starting with a plus)
if (number.charAt(0) === '+') {
let numericChars = '';
// iterate over chars
for (let i = 0; i < number.length; i++) {
const c = number.charAt(i);
// if char is number (https://stackoverflow.com/a/8935649/217866)
if (!isNaN(parseInt(c, 10))) {
numericChars += c;
// if current numericChars make a valid dial code
if (includeAreaCode) {
if (this.countryCodes[numericChars]) {
// store the actual raw string (useful for matching later)
dialCode = number.substr(0, i + 1);
}
} else {
if (this.dialCodes[numericChars]) {
dialCode = number.substr(0, i + 1);
// if we're just looking for a dial code, we can break as soon as we find one
break;
}
}
// stop searching as soon as we can - in this case when we hit max len
if (numericChars.length === this.countryCodeMaxLen) {
break;
}
}
}
}
return dialCode;
}
// get the input val, adding the dial code if separateDialCode is enabled
_getFullNumber() {
const val = this.telInput.value.trim();
const { dialCode } = this.selectedCountryData;
let prefix;
const numericVal = this._getNumeric(val);
if (this.options.separateDialCode && val.charAt(0) !== '+' && dialCode && numericVal) {
// when using separateDialCode, it is visible so is effectively part of the typed number
prefix = `+${dialCode}`;
} else {
prefix = '';
}
return prefix + val;
}
// remove the dial code if separateDialCode is enabled
// also cap the length if the input has a maxlength attribute
_beforeSetNumber(originalNumber) {
let number = originalNumber;
if (this.options.separateDialCode) {
let dialCode = this._getDialCode(number);
// if there is a valid dial code
if (dialCode) {
// in case _getDialCode returned an area code as well
dialCode = `+${this.selectedCountryData.dialCode}`;
// a lot of numbers will have a space separating the dial code and the main number, and
// some NANP numbers will have a hyphen e.g. +1 684-733-1234 - in both cases we want to get
// rid of it
// NOTE: don't just trim all non-numerics as may want to preserve an open parenthesis etc
const start = (number[dialCode.length] === ' ' || number[dialCode.length] === '-') ? dialCode.length + 1 : dialCode.length;
number = number.substr(start);
}
}
return this._cap(number);
}
// trigger the 'countrychange' event
_triggerCountryChange() {
this._trigger('countrychange');
}
/**************************
* SECRET PUBLIC METHODS
**************************/
// this is called when the geoip call returns
handleAutoCountry() {
if (this.options.initialCountry === 'auto') {
// we must set this even if there is an initial val in the input: in case the initial val is
// invalid and they delete it - they should see their auto country
this.defaultCountry = window.intlTelInputGlobals.autoCountry;
// if there's no initial value in the input, then update the flag
if (!this.telInput.value) {
this.setCountry(this.defaultCountry);
}
this.resolveAutoCountryPromise();
}
}
// this is called when the utils request completes
handleUtils() {
// if the request was successful
if (window.intlTelInputUtils) {
// if there's an initial value in the input, then format it
if (this.telInput.value) {
this._updateValFromNumber(this.telInput.value);
}
this._updatePlaceholder();
}
this.resolveUtilsScriptPromise();
}
/********************
* PUBLIC METHODS
********************/
// remove plugin
destroy() {
const { form } = this.telInput;
if (this.options.allowDropdown) {
// make sure the dropdown is closed (and unbind listeners)
this._closeDropdown();
this.selectedFlag.removeEventListener('click', this._handleClickSelectedFlag);
this.flagsContainer.removeEventListener('keydown', this._handleFlagsContainerKeydown);
// label click hack
const label = this._getClosestLabel();
if (label) label.removeEventListener('click', this._handleLabelClick);
}
// unbind hiddenInput listeners
if (this.hiddenInput && form) form.removeEventListener('submit', this._handleHiddenInputSubmit);
// unbind autoHideDialCode listeners
if (this.options.autoHideDialCode) {
if (form) form.removeEventListener('submit', this._handleSubmitOrBlurEvent);
this.telInput.removeEventListener('blur', this._handleSubmitOrBlurEvent);
}
// unbind key events, and cut/paste events
this.telInput.removeEventListener('keyup', this._handleKeyupEvent);
this.telInput.removeEventListener('cut', this._handleClipboardEvent);
this.telInput.removeEventListener('paste', this._handleClipboardEvent);
// remove attribute of id instance: data-intl-tel-input-id
this.telInput.removeAttribute('data-intl-tel-input-id');
// remove markup (but leave the original input)
const wrapper = this.telInput.parentNode;
wrapper.parentNode.insertBefore(this.telInput, wrapper);
wrapper.parentNode.removeChild(wrapper);
delete window.intlTelInputGlobals.instances[this.id];
}
// get the extension from the current number
getExtension() {
if (window.intlTelInputUtils) {
return intlTelInputUtils.getExtension(this._getFullNumber(), this.selectedCountryData.iso2);
}
return '';
}
// format the number to the given format
getNumber(format) {
if (window.intlTelInputUtils) {
const { iso2 } = this.selectedCountryData;
return intlTelInputUtils.formatNumber(this._getFullNumber(), iso2, format);
}
return '';
}
// get the type of the entered number e.g. landline/mobile
getNumberType() {
if (window.intlTelInputUtils) {
return intlTelInputUtils.getNumberType(this._getFullNumber(), this.selectedCountryData.iso2);
}
return -99;
}
// get the country data for the currently selected flag
getSelectedCountryData() {
return this.selectedCountryData;
}
// get the validation error
getValidationError() {
if (window.intlTelInputUtils) {
const { iso2 } = this.selectedCountryData;
return intlTelInputUtils.getValidationError(this._getFullNumber(), iso2);
}
return -99;
}
// validate the input val - assumes the global function isValidNumber (from utilsScript)
isValidNumber() {
const val = this._getFullNumber().trim();
const countryCode = (this.options.nationalMode) ? this.selectedCountryData.iso2 : '';
return (window.intlTelInputUtils ? intlTelInputUtils.isValidNumber(val, countryCode) : null);
}
// update the selected flag, and update the input val accordingly
setCountry(originalCountryCode) {
const countryCode = originalCountryCode.toLowerCase();
// check if already selected
if (!this.selectedFlagInner.classList.contains(`iti__${countryCode}`)) {
this._setFlag(countryCode);
this._updateDialCode(this.selectedCountryData.dialCode, false);
this._triggerCountryChange();
}
}
// set the input value and update the flag
setNumber(number) {
// we must update the flag first, which updates this.selectedCountryData, which is used for
// formatting the number before displaying it
const flagChanged = this._updateFlagFromNumber(number);
this._updateValFromNumber(number);
if (flagChanged) {
this._triggerCountryChange();
}
}
// set the placeholder number typ
setPlaceholderNumberType(type) {
this.options.placeholderNumberType = type;
this._updatePlaceholder();
}
}
/********************
* STATIC METHODS
********************/
// get the country data object
intlTelInputGlobals.getCountryData = () => allCountries;
// inject a <script> element to load utils.js
const injectScript = (path, handleSuccess, handleFailure) => {
// inject a new script element into the page
const script = document.createElement('script');
script.onload = () => {
forEachInstance('handleUtils');
if (handleSuccess) handleSuccess();
};
script.onerror = () => {
forEachInstance('rejectUtilsScriptPromise');
if (handleFailure) handleFailure();
};
script.className = 'iti-load-utils';
script.async = true;
script.src = path;
document.body.appendChild(script);
};
// load the utils script
intlTelInputGlobals.loadUtils = (path) => {
// 2 options:
// 1) not already started loading (start)
// 2) already started loading (do nothing - just wait for the onload callback to fire, which will
// trigger handleUtils on all instances, invoking their resolveUtilsScriptPromise functions)
if (!window.intlTelInputUtils && !window.intlTelInputGlobals.startedLoadingUtilsScript) {
// only do this once
window.intlTelInputGlobals.startedLoadingUtilsScript = true;
// if we have promises, then return a promise
if (typeof Promise !== 'undefined') {
return new Promise((resolve, reject) => injectScript(path, resolve, reject));
}
injectScript(path);
}
return null;
};
// default options
intlTelInputGlobals.defaults = defaults;
// version
intlTelInputGlobals.version = '<%= version %>';