biofriction-wp-theme/node_modules/foundation-sites/js/foundation.abide.js

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2021-10-26 14:18:09 +02:00
'use strict';
import $ from 'jquery';
import { Plugin } from './foundation.core.plugin';
import { GetYoDigits } from './foundation.core.utils';
/**
* Abide module.
* @module foundation.abide
*/
class Abide extends Plugin {
/**
* Creates a new instance of Abide.
* @class
* @name Abide
* @fires Abide#init
* @param {Object} element - jQuery object to add the trigger to.
* @param {Object} options - Overrides to the default plugin settings.
*/
_setup(element, options = {}) {
this.$element = element;
this.options = $.extend(true, {}, Abide.defaults, this.$element.data(), options);
this.className = 'Abide'; // ie9 back compat
this._init();
}
/**
* Initializes the Abide plugin and calls functions to get Abide functioning on load.
* @private
*/
_init() {
this.$inputs = $.merge( // Consider as input to validate:
this.$element.find('input').not('[type=submit]'), // * all input fields expect submit
this.$element.find('textarea, select') // * all textareas and select fields
);
const $globalErrors = this.$element.find('[data-abide-error]');
// Add a11y attributes to all fields
if (this.options.a11yAttributes) {
this.$inputs.each((i, input) => this.addA11yAttributes($(input)));
$globalErrors.each((i, error) => this.addGlobalErrorA11yAttributes($(error)));
}
this._events();
}
/**
* Initializes events for Abide.
* @private
*/
_events() {
this.$element.off('.abide')
.on('reset.zf.abide', () => {
this.resetForm();
})
.on('submit.zf.abide', () => {
return this.validateForm();
});
if (this.options.validateOn === 'fieldChange') {
this.$inputs
.off('change.zf.abide')
.on('change.zf.abide', (e) => {
this.validateInput($(e.target));
});
}
if (this.options.liveValidate) {
this.$inputs
.off('input.zf.abide')
.on('input.zf.abide', (e) => {
this.validateInput($(e.target));
});
}
if (this.options.validateOnBlur) {
this.$inputs
.off('blur.zf.abide')
.on('blur.zf.abide', (e) => {
this.validateInput($(e.target));
});
}
}
/**
* Calls necessary functions to update Abide upon DOM change
* @private
*/
_reflow() {
this._init();
}
/**
* Checks whether or not a form element has the required attribute and if it's checked or not
* @param {Object} element - jQuery object to check for required attribute
* @returns {Boolean} Boolean value depends on whether or not attribute is checked or empty
*/
requiredCheck($el) {
if (!$el.attr('required')) return true;
var isGood = true;
switch ($el[0].type) {
case 'checkbox':
isGood = $el[0].checked;
break;
case 'select':
case 'select-one':
case 'select-multiple':
var opt = $el.find('option:selected');
if (!opt.length || !opt.val()) isGood = false;
break;
default:
if(!$el.val() || !$el.val().length) isGood = false;
}
return isGood;
}
/**
* Get:
* - Based on $el, the first element(s) corresponding to `formErrorSelector` in this order:
* 1. The element's direct sibling('s).
* 2. The element's parent's children.
* - Element(s) with the attribute `[data-form-error-for]` set with the element's id.
*
* This allows for multiple form errors per input, though if none are found, no form errors will be shown.
*
* @param {Object} $el - jQuery object to use as reference to find the form error selector.
* @returns {Object} jQuery object with the selector.
*/
findFormError($el) {
var id = $el[0].id;
var $error = $el.siblings(this.options.formErrorSelector);
if (!$error.length) {
$error = $el.parent().find(this.options.formErrorSelector);
}
if (id) {
$error = $error.add(this.$element.find(`[data-form-error-for="${id}"]`));
}
return $error;
}
/**
* Get the first element in this order:
* 2. The <label> with the attribute `[for="someInputId"]`
* 3. The `.closest()` <label>
*
* @param {Object} $el - jQuery object to check for required attribute
* @returns {Boolean} Boolean value depends on whether or not attribute is checked or empty
*/
findLabel($el) {
var id = $el[0].id;
var $label = this.$element.find(`label[for="${id}"]`);
if (!$label.length) {
return $el.closest('label');
}
return $label;
}
/**
* Get the set of labels associated with a set of radio els in this order
* 2. The <label> with the attribute `[for="someInputId"]`
* 3. The `.closest()` <label>
*
* @param {Object} $el - jQuery object to check for required attribute
* @returns {Boolean} Boolean value depends on whether or not attribute is checked or empty
*/
findRadioLabels($els) {
var labels = $els.map((i, el) => {
var id = el.id;
var $label = this.$element.find(`label[for="${id}"]`);
if (!$label.length) {
$label = $(el).closest('label');
}
return $label[0];
});
return $(labels);
}
/**
* Adds the CSS error class as specified by the Abide settings to the label, input, and the form
* @param {Object} $el - jQuery object to add the class to
*/
addErrorClasses($el) {
var $label = this.findLabel($el);
var $formError = this.findFormError($el);
if ($label.length) {
$label.addClass(this.options.labelErrorClass);
}
if ($formError.length) {
$formError.addClass(this.options.formErrorClass);
}
$el.addClass(this.options.inputErrorClass).attr({
'data-invalid': '',
'aria-invalid': true
});
}
/**
* Adds [for] and [role=alert] attributes to all form error targetting $el,
* and [aria-describedby] attribute to $el toward the first form error.
* @param {Object} $el - jQuery object
*/
addA11yAttributes($el) {
let $errors = this.findFormError($el);
let $labels = $errors.filter('label');
let $error = $errors.first();
if (!$errors.length) return;
// Set [aria-describedby] on the input toward the first form error if it is not set
if (typeof $el.attr('aria-describedby') === 'undefined') {
// Get the first error ID or create one
let errorId = $error.attr('id');
if (typeof errorId === 'undefined') {
errorId = GetYoDigits(6, 'abide-error');
$error.attr('id', errorId);
};
$el.attr('aria-describedby', errorId);
}
if ($labels.filter('[for]').length < $labels.length) {
// Get the input ID or create one
let elemId = $el.attr('id');
if (typeof elemId === 'undefined') {
elemId = GetYoDigits(6, 'abide-input');
$el.attr('id', elemId);
};
// For each label targeting $el, set [for] if it is not set.
$labels.each((i, label) => {
const $label = $(label);
if (typeof $label.attr('for') === 'undefined')
$label.attr('for', elemId);
});
}
// For each error targeting $el, set [role=alert] if it is not set.
$errors.each((i, label) => {
const $label = $(label);
if (typeof $label.attr('role') === 'undefined')
$label.attr('role', 'alert');
}).end();
}
/**
* Adds [aria-live] attribute to the given global form error $el.
* @param {Object} $el - jQuery object to add the attribute to
*/
addGlobalErrorA11yAttributes($el) {
if (typeof $el.attr('aria-live') === 'undefined')
$el.attr('aria-live', this.options.a11yErrorLevel);
}
/**
* Remove CSS error classes etc from an entire radio button group
* @param {String} groupName - A string that specifies the name of a radio button group
*
*/
removeRadioErrorClasses(groupName) {
var $els = this.$element.find(`:radio[name="${groupName}"]`);
var $labels = this.findRadioLabels($els);
var $formErrors = this.findFormError($els);
if ($labels.length) {
$labels.removeClass(this.options.labelErrorClass);
}
if ($formErrors.length) {
$formErrors.removeClass(this.options.formErrorClass);
}
$els.removeClass(this.options.inputErrorClass).attr({
'data-invalid': null,
'aria-invalid': null
});
}
/**
* Removes CSS error class as specified by the Abide settings from the label, input, and the form
* @param {Object} $el - jQuery object to remove the class from
*/
removeErrorClasses($el) {
// radios need to clear all of the els
if($el[0].type == 'radio') {
return this.removeRadioErrorClasses($el.attr('name'));
}
var $label = this.findLabel($el);
var $formError = this.findFormError($el);
if ($label.length) {
$label.removeClass(this.options.labelErrorClass);
}
if ($formError.length) {
$formError.removeClass(this.options.formErrorClass);
}
$el.removeClass(this.options.inputErrorClass).attr({
'data-invalid': null,
'aria-invalid': null
});
}
/**
* Goes through a form to find inputs and proceeds to validate them in ways specific to their type.
* Ignores inputs with data-abide-ignore, type="hidden" or disabled attributes set
* @fires Abide#invalid
* @fires Abide#valid
* @param {Object} element - jQuery object to validate, should be an HTML input
* @returns {Boolean} goodToGo - If the input is valid or not.
*/
validateInput($el) {
var clearRequire = this.requiredCheck($el),
validated = false,
customValidator = true,
validator = $el.attr('data-validator'),
equalTo = true;
// don't validate ignored inputs or hidden inputs or disabled inputs
if ($el.is('[data-abide-ignore]') || $el.is('[type="hidden"]') || $el.is('[disabled]')) {
return true;
}
switch ($el[0].type) {
case 'radio':
validated = this.validateRadio($el.attr('name'));
break;
case 'checkbox':
validated = clearRequire;
break;
case 'select':
case 'select-one':
case 'select-multiple':
validated = clearRequire;
break;
default:
validated = this.validateText($el);
}
if (validator) {
customValidator = this.matchValidation($el, validator, $el.attr('required'));
}
if ($el.attr('data-equalto')) {
equalTo = this.options.validators.equalTo($el);
}
var goodToGo = [clearRequire, validated, customValidator, equalTo].indexOf(false) === -1;
var message = (goodToGo ? 'valid' : 'invalid') + '.zf.abide';
if (goodToGo) {
// Re-validate inputs that depend on this one with equalto
const dependentElements = this.$element.find(`[data-equalto="${$el.attr('id')}"]`);
if (dependentElements.length) {
let _this = this;
dependentElements.each(function() {
if ($(this).val()) {
_this.validateInput($(this));
}
});
}
}
this[goodToGo ? 'removeErrorClasses' : 'addErrorClasses']($el);
/**
* Fires when the input is done checking for validation. Event trigger is either `valid.zf.abide` or `invalid.zf.abide`
* Trigger includes the DOM element of the input.
* @event Abide#valid
* @event Abide#invalid
*/
$el.trigger(message, [$el]);
return goodToGo;
}
/**
* Goes through a form and if there are any invalid inputs, it will display the form error element
* @returns {Boolean} noError - true if no errors were detected...
* @fires Abide#formvalid
* @fires Abide#forminvalid
*/
validateForm() {
var acc = [];
var _this = this;
this.$inputs.each(function() {
acc.push(_this.validateInput($(this)));
});
var noError = acc.indexOf(false) === -1;
this.$element.find('[data-abide-error]').each((i, elem) => {
const $elem = $(elem);
// Ensure a11y attributes are set
if (this.options.a11yAttributes) this.addGlobalErrorA11yAttributes($elem);
// Show or hide the error
$elem.css('display', (noError ? 'none' : 'block'));
});
/**
* Fires when the form is finished validating. Event trigger is either `formvalid.zf.abide` or `forminvalid.zf.abide`.
* Trigger includes the element of the form.
* @event Abide#formvalid
* @event Abide#forminvalid
*/
this.$element.trigger((noError ? 'formvalid' : 'forminvalid') + '.zf.abide', [this.$element]);
return noError;
}
/**
* Determines whether or a not a text input is valid based on the pattern specified in the attribute. If no matching pattern is found, returns true.
* @param {Object} $el - jQuery object to validate, should be a text input HTML element
* @param {String} pattern - string value of one of the RegEx patterns in Abide.options.patterns
* @returns {Boolean} Boolean value depends on whether or not the input value matches the pattern specified
*/
validateText($el, pattern) {
// A pattern can be passed to this function, or it will be infered from the input's "pattern" attribute, or it's "type" attribute
pattern = (pattern || $el.attr('pattern') || $el.attr('type'));
var inputText = $el.val();
var valid = false;
if (inputText.length) {
// If the pattern attribute on the element is in Abide's list of patterns, then test that regexp
if (this.options.patterns.hasOwnProperty(pattern)) {
valid = this.options.patterns[pattern].test(inputText);
}
// If the pattern name isn't also the type attribute of the field, then test it as a regexp
else if (pattern !== $el.attr('type')) {
valid = new RegExp(pattern).test(inputText);
}
else {
valid = true;
}
}
// An empty field is valid if it's not required
else if (!$el.prop('required')) {
valid = true;
}
return valid;
}
/**
* Determines whether or a not a radio input is valid based on whether or not it is required and selected. Although the function targets a single `<input>`, it validates by checking the `required` and `checked` properties of all radio buttons in its group.
* @param {String} groupName - A string that specifies the name of a radio button group
* @returns {Boolean} Boolean value depends on whether or not at least one radio input has been selected (if it's required)
*/
validateRadio(groupName) {
// If at least one radio in the group has the `required` attribute, the group is considered required
// Per W3C spec, all radio buttons in a group should have `required`, but we're being nice
var $group = this.$element.find(`:radio[name="${groupName}"]`);
var valid = false, required = false;
// For the group to be required, at least one radio needs to be required
$group.each((i, e) => {
if ($(e).attr('required')) {
required = true;
}
});
if(!required) valid=true;
if (!valid) {
// For the group to be valid, at least one radio needs to be checked
$group.each((i, e) => {
if ($(e).prop('checked')) {
valid = true;
}
});
};
return valid;
}
/**
* Determines if a selected input passes a custom validation function. Multiple validations can be used, if passed to the element with `data-validator="foo bar baz"` in a space separated listed.
* @param {Object} $el - jQuery input element.
* @param {String} validators - a string of function names matching functions in the Abide.options.validators object.
* @param {Boolean} required - self explanatory?
* @returns {Boolean} - true if validations passed.
*/
matchValidation($el, validators, required) {
required = required ? true : false;
var clear = validators.split(' ').map((v) => {
return this.options.validators[v]($el, required, $el.parent());
});
return clear.indexOf(false) === -1;
}
/**
* Resets form inputs and styles
* @fires Abide#formreset
*/
resetForm() {
var $form = this.$element,
opts = this.options;
$(`.${opts.labelErrorClass}`, $form).not('small').removeClass(opts.labelErrorClass);
$(`.${opts.inputErrorClass}`, $form).not('small').removeClass(opts.inputErrorClass);
$(`${opts.formErrorSelector}.${opts.formErrorClass}`).removeClass(opts.formErrorClass);
$form.find('[data-abide-error]').css('display', 'none');
$(':input', $form).not(':button, :submit, :reset, :hidden, :radio, :checkbox, [data-abide-ignore]').val('').attr({
'data-invalid': null,
'aria-invalid': null
});
$(':input:radio', $form).not('[data-abide-ignore]').prop('checked',false).attr({
'data-invalid': null,
'aria-invalid': null
});
$(':input:checkbox', $form).not('[data-abide-ignore]').prop('checked',false).attr({
'data-invalid': null,
'aria-invalid': null
});
/**
* Fires when the form has been reset.
* @event Abide#formreset
*/
$form.trigger('formreset.zf.abide', [$form]);
}
/**
* Destroys an instance of Abide.
* Removes error styles and classes from elements, without resetting their values.
*/
_destroy() {
var _this = this;
this.$element
.off('.abide')
.find('[data-abide-error]')
.css('display', 'none');
this.$inputs
.off('.abide')
.each(function() {
_this.removeErrorClasses($(this));
});
}
}
/**
* Default settings for plugin
*/
Abide.defaults = {
/**
* The default event to validate inputs. Checkboxes and radios validate immediately.
* Remove or change this value for manual validation.
* @option
* @type {?string}
* @default 'fieldChange'
*/
validateOn: 'fieldChange',
/**
* Class to be applied to input labels on failed validation.
* @option
* @type {string}
* @default 'is-invalid-label'
*/
labelErrorClass: 'is-invalid-label',
/**
* Class to be applied to inputs on failed validation.
* @option
* @type {string}
* @default 'is-invalid-input'
*/
inputErrorClass: 'is-invalid-input',
/**
* Class selector to use to target Form Errors for show/hide.
* @option
* @type {string}
* @default '.form-error'
*/
formErrorSelector: '.form-error',
/**
* Class added to Form Errors on failed validation.
* @option
* @type {string}
* @default 'is-visible'
*/
formErrorClass: 'is-visible',
/**
* If true, automatically insert when possible:
* - `[aria-describedby]` on fields
* - `[role=alert]` on form errors and `[for]` on form error labels
* - `[aria-live]` on global errors `[data-abide-error]` (see option `a11yErrorLevel`).
* @option
* @type {boolean}
* @default true
*/
a11yAttributes: true,
/**
* [aria-live] attribute value to be applied on global errors `[data-abide-error]`.
* Options are: 'assertive', 'polite' and 'off'/null
* @option
* @see https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/ARIA_Live_Regions
* @type {string}
* @default 'assertive'
*/
a11yErrorLevel: 'assertive',
/**
* Set to true to validate text inputs on any value change.
* @option
* @type {boolean}
* @default false
*/
liveValidate: false,
/**
* Set to true to validate inputs on blur.
* @option
* @type {boolean}
* @default false
*/
validateOnBlur: false,
patterns: {
alpha : /^[a-zA-Z]+$/,
alpha_numeric : /^[a-zA-Z0-9]+$/,
integer : /^[-+]?\d+$/,
number : /^[-+]?\d*(?:[\.\,]\d+)?$/,
// amex, visa, diners
card : /^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|(?:222[1-9]|2[3-6][0-9]{2}|27[0-1][0-9]|2720)[0-9]{12}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\d{3})\d{11})$/,
cvv : /^([0-9]){3,4}$/,
// http://www.whatwg.org/specs/web-apps/current-work/multipage/states-of-the-type-attribute.html#valid-e-mail-address
email : /^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[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])?)+$/,
// From CommonRegexJS (@talyssonoc)
// https://github.com/talyssonoc/CommonRegexJS/blob/e2901b9f57222bc14069dc8f0598d5f412555411/lib/commonregex.js#L76
// For more restrictive URL Regexs, see https://mathiasbynens.be/demo/url-regex.
url: /^((?:(https?|ftps?|file|ssh|sftp):\/\/|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]+|\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\))+(?:\((?:[^\s()<>]+|(?:\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:\'".,<>?\xab\xbb\u201c\u201d\u2018\u2019]))$/,
// abc.de
domain : /^([a-zA-Z0-9]([a-zA-Z0-9\-]{0,61}[a-zA-Z0-9])?\.)+[a-zA-Z]{2,8}$/,
datetime : /^([0-2][0-9]{3})\-([0-1][0-9])\-([0-3][0-9])T([0-5][0-9])\:([0-5][0-9])\:([0-5][0-9])(Z|([\-\+]([0-1][0-9])\:00))$/,
// YYYY-MM-DD
date : /(?:19|20)[0-9]{2}-(?:(?:0[1-9]|1[0-2])-(?:0[1-9]|1[0-9]|2[0-9])|(?:(?!02)(?:0[1-9]|1[0-2])-(?:30))|(?:(?:0[13578]|1[02])-31))$/,
// HH:MM:SS
time : /^(0[0-9]|1[0-9]|2[0-3])(:[0-5][0-9]){2}$/,
dateISO : /^\d{4}[\/\-]\d{1,2}[\/\-]\d{1,2}$/,
// MM/DD/YYYY
month_day_year : /^(0[1-9]|1[012])[- \/.](0[1-9]|[12][0-9]|3[01])[- \/.]\d{4}$/,
// DD/MM/YYYY
day_month_year : /^(0[1-9]|[12][0-9]|3[01])[- \/.](0[1-9]|1[012])[- \/.]\d{4}$/,
// #FFF or #FFFFFF
color : /^#?([a-fA-F0-9]{6}|[a-fA-F0-9]{3})$/,
// Domain || URL
website: {
test: (text) => {
return Abide.defaults.patterns['domain'].test(text) || Abide.defaults.patterns['url'].test(text);
}
}
},
/**
* Optional validation functions to be used. `equalTo` being the only default included function.
* Functions should return only a boolean if the input is valid or not. Functions are given the following arguments:
* el : The jQuery element to validate.
* required : Boolean value of the required attribute be present or not.
* parent : The direct parent of the input.
* @option
*/
validators: {
equalTo: function (el, required, parent) {
return $(`#${el.attr('data-equalto')}`).val() === el.val();
}
}
}
export {Abide};