/**
* jquery.mask.js
* @version: v1.14.16
* @author: Igor Escobar
*
* Created by Igor Escobar on 2012-03-10. Please report any bug at github.com/igorescobar/jQuery-Mask-Plugin
*
* Copyright (c) 2012 Igor Escobar http://igorescobar.com
*
* The MIT License (http://www.opensource.org/licenses/mit-license.php)
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/* jshint laxbreak: true */
/* jshint maxcomplexity:17 */
/* global define */
// UMD (Universal Module Definition) patterns for JavaScript modules that work everywhere.
// https://github.com/umdjs/umd/blob/master/templates/jqueryPlugin.js
(function (factory, jQuery, Zepto) {
if (typeof define === 'function' && define.amd) {
define(['jquery'], factory);
} else if (typeof exports === 'object' && typeof Meteor === 'undefined') {
module.exports = factory(require('jquery'));
} else {
factory(jQuery || Zepto);
}
}(function ($) {
'use strict';
var Mask = function (el, mask, options) {
var p = {
invalid: [],
getCaret: function () {
try {
var sel,
pos = 0,
ctrl = el.get(0),
dSel = document.selection,
cSelStart = ctrl.selectionStart;
// IE Support
if (dSel && navigator.appVersion.indexOf('MSIE 10') === -1) {
sel = dSel.createRange();
sel.moveStart('character', -p.val().length);
pos = sel.text.length;
}
// Firefox support
else if (cSelStart || cSelStart === '0') {
pos = cSelStart;
}
return pos;
} catch (e) {}
},
setCaret: function(pos) {
try {
if (el.is(':focus')) {
var range, ctrl = el.get(0);
// Firefox, WebKit, etc..
if (ctrl.setSelectionRange) {
ctrl.setSelectionRange(pos, pos);
} else { // IE
range = ctrl.createTextRange();
range.collapse(true);
range.moveEnd('character', pos);
range.moveStart('character', pos);
range.select();
}
}
} catch (e) {}
},
events: function() {
el
.on('keydown.mask', function(e) {
el.data('mask-keycode', e.keyCode || e.which);
el.data('mask-previus-value', el.val());
el.data('mask-previus-caret-pos', p.getCaret());
p.maskDigitPosMapOld = p.maskDigitPosMap;
})
.on($.jMaskGlobals.useInput ? 'input.mask' : 'keyup.mask', p.behaviour)
.on('paste.mask drop.mask', function() {
setTimeout(function() {
el.keydown().keyup();
}, 100);
})
.on('change.mask', function(){
el.data('changed', true);
})
.on('blur.mask', function(){
if (oldValue !== p.val() && !el.data('changed')) {
el.trigger('change');
}
el.data('changed', false);
})
// it's very important that this callback remains in this position
// otherwhise oldValue it's going to work buggy
.on('blur.mask', function() {
oldValue = p.val();
})
// select all text on focus
.on('focus.mask', function (e) {
if (options.selectOnFocus === true) {
$(e.target).select();
}
})
// clear the value if it not complete the mask
.on('focusout.mask', function() {
if (options.clearIfNotMatch && !regexMask.test(p.val())) {
p.val('');
}
});
},
getRegexMask: function() {
var maskChunks = [], translation, pattern, optional, recursive, oRecursive, r;
for (var i = 0; i < mask.length; i++) {
translation = jMask.translation[mask.charAt(i)];
if (translation) {
pattern = translation.pattern.toString().replace(/.{1}$|^.{1}/g, '');
optional = translation.optional;
recursive = translation.recursive;
if (recursive) {
maskChunks.push(mask.charAt(i));
oRecursive = {digit: mask.charAt(i), pattern: pattern};
} else {
maskChunks.push(!optional && !recursive ? pattern : (pattern + '?'));
}
} else {
maskChunks.push(mask.charAt(i).replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&'));
}
}
r = maskChunks.join('');
if (oRecursive) {
r = r.replace(new RegExp('(' + oRecursive.digit + '(.*' + oRecursive.digit + ')?)'), '($1)?')
.replace(new RegExp(oRecursive.digit, 'g'), oRecursive.pattern);
}
return new RegExp(r);
},
destroyEvents: function() {
el.off(['input', 'keydown', 'keyup', 'paste', 'drop', 'blur', 'focusout', ''].join('.mask '));
},
val: function(v) {
var isInput = el.is('input'),
method = isInput ? 'val' : 'text',
r;
if (arguments.length > 0) {
if (el[method]() !== v) {
el[method](v);
}
r = el;
} else {
r = el[method]();
}
return r;
},
calculateCaretPosition: function(oldVal) {
var newVal = p.getMasked(),
caretPosNew = p.getCaret();
if (oldVal !== newVal) {
var caretPosOld = el.data('mask-previus-caret-pos') || 0,
newValL = newVal.length,
oldValL = oldVal.length,
maskDigitsBeforeCaret = 0,
maskDigitsAfterCaret = 0,
maskDigitsBeforeCaretAll = 0,
maskDigitsBeforeCaretAllOld = 0,
i = 0;
for (i = caretPosNew; i < newValL; i++) {
if (!p.maskDigitPosMap[i]) {
break;
}
maskDigitsAfterCaret++;
}
for (i = caretPosNew - 1; i >= 0; i--) {
if (!p.maskDigitPosMap[i]) {
break;
}
maskDigitsBeforeCaret++;
}
for (i = caretPosNew - 1; i >= 0; i--) {
if (p.maskDigitPosMap[i]) {
maskDigitsBeforeCaretAll++;
}
}
for (i = caretPosOld - 1; i >= 0; i--) {
if (p.maskDigitPosMapOld[i]) {
maskDigitsBeforeCaretAllOld++;
}
}
// if the cursor is at the end keep it there
if (caretPosNew > oldValL) {
caretPosNew = newValL * 10;
} else if (caretPosOld >= caretPosNew && caretPosOld !== oldValL) {
if (!p.maskDigitPosMapOld[caretPosNew]) {
var caretPos = caretPosNew;
caretPosNew -= maskDigitsBeforeCaretAllOld - maskDigitsBeforeCaretAll;
caretPosNew -= maskDigitsBeforeCaret;
if (p.maskDigitPosMap[caretPosNew]) {
caretPosNew = caretPos;
}
}
}
else if (caretPosNew > caretPosOld) {
caretPosNew += maskDigitsBeforeCaretAll - maskDigitsBeforeCaretAllOld;
caretPosNew += maskDigitsAfterCaret;
}
}
return caretPosNew;
},
behaviour: function(e) {
e = e || window.event;
p.invalid = [];
var keyCode = el.data('mask-keycode');
if ($.inArray(keyCode, jMask.byPassKeys) === -1) {
var newVal = p.getMasked(),
caretPos = p.getCaret(),
oldVal = el.data('mask-previus-value') || '';
// this is a compensation to devices/browsers that don't compensate
// caret positioning the right way
setTimeout(function() {
p.setCaret(p.calculateCaretPosition(oldVal));
}, $.jMaskGlobals.keyStrokeCompensation);
p.val(newVal);
p.setCaret(caretPos);
return p.callbacks(e);
}
},
getMasked: function(skipMaskChars, val) {
var buf = [],
value = val === undefined ? p.val() : val + '',
m = 0, maskLen = mask.length,
v = 0, valLen = value.length,
offset = 1, addMethod = 'push',
resetPos = -1,
maskDigitCount = 0,
maskDigitPosArr = [],
lastMaskChar,
check;
if (options.reverse) {
addMethod = 'unshift';
offset = -1;
lastMaskChar = 0;
m = maskLen - 1;
v = valLen - 1;
check = function () {
return m > -1 && v > -1;
};
} else {
lastMaskChar = maskLen - 1;
check = function () {
return m < maskLen && v < valLen;
};
}
var lastUntranslatedMaskChar;
while (check()) {
var maskDigit = mask.charAt(m),
valDigit = value.charAt(v),
translation = jMask.translation[maskDigit];
if (translation) {
if (valDigit.match(translation.pattern)) {
buf[addMethod](valDigit);
if (translation.recursive) {
if (resetPos === -1) {
resetPos = m;
} else if (m === lastMaskChar && m !== resetPos) {
m = resetPos - offset;
}
if (lastMaskChar === resetPos) {
m -= offset;
}
}
m += offset;
} else if (valDigit === lastUntranslatedMaskChar) {
// matched the last untranslated (raw) mask character that we encountered
// likely an insert offset the mask character from the last entry; fall
// through and only increment v
maskDigitCount--;
lastUntranslatedMaskChar = undefined;
} else if (translation.optional) {
m += offset;
v -= offset;
} else if (translation.fallback) {
buf[addMethod](translation.fallback);
m += offset;
v -= offset;
} else {
p.invalid.push({p: v, v: valDigit, e: translation.pattern});
}
v += offset;
} else {
if (!skipMaskChars) {
buf[addMethod](maskDigit);
}
if (valDigit === maskDigit) {
maskDigitPosArr.push(v);
v += offset;
} else {
lastUntranslatedMaskChar = maskDigit;
maskDigitPosArr.push(v + maskDigitCount);
maskDigitCount++;
}
m += offset;
}
}
var lastMaskCharDigit = mask.charAt(lastMaskChar);
if (maskLen === valLen + 1 && !jMask.translation[lastMaskCharDigit]) {
buf.push(lastMaskCharDigit);
}
var newVal = buf.join('');
p.mapMaskdigitPositions(newVal, maskDigitPosArr, valLen);
return newVal;
},
mapMaskdigitPositions: function(newVal, maskDigitPosArr, valLen) {
var maskDiff = options.reverse ? newVal.length - valLen : 0;
p.maskDigitPosMap = {};
for (var i = 0; i < maskDigitPosArr.length; i++) {
p.maskDigitPosMap[maskDigitPosArr[i] + maskDiff] = 1;
}
},
callbacks: function (e) {
var val = p.val(),
changed = val !== oldValue,
defaultArgs = [val, e, el, options],
callback = function(name, criteria, args) {
if (typeof options[name] === 'function' && criteria) {
options[name].apply(this, args);
}
};
callback('onChange', changed === true, defaultArgs);
callback('onKeyPress', changed === true, defaultArgs);
callback('onComplete', val.length === mask.length, defaultArgs);
callback('onInvalid', p.invalid.length > 0, [val, e, el, p.invalid, options]);
}
};
el = $(el);
var jMask = this, oldValue = p.val(), regexMask;
mask = typeof mask === 'function' ? mask(p.val(), undefined, el, options) : mask;
// public methods
jMask.mask = mask;
jMask.options = options;
jMask.remove = function() {
var caret = p.getCaret();
if (jMask.options.placeholder) {
el.removeAttr('placeholder');
}
if (el.data('mask-maxlength')) {
el.removeAttr('maxlength');
}
p.destroyEvents();
p.val(jMask.getCleanVal());
p.setCaret(caret);
return el;
};
// get value without mask
jMask.getCleanVal = function() {
return p.getMasked(true);
};
// get masked value without the value being in the input or element
jMask.getMaskedVal = function(val) {
return p.getMasked(false, val);
};
jMask.init = function(onlyMask) {
onlyMask = onlyMask || false;
options = options || {};
jMask.clearIfNotMatch = $.jMaskGlobals.clearIfNotMatch;
jMask.byPassKeys = $.jMaskGlobals.byPassKeys;
jMask.translation = $.extend({}, $.jMaskGlobals.translation, options.translation);
jMask = $.extend(true, {}, jMask, options);
regexMask = p.getRegexMask();
if (onlyMask) {
p.events();
p.val(p.getMasked());
} else {
if (options.placeholder) {
el.attr('placeholder' , options.placeholder);
}
// this is necessary, otherwise if the user submit the form
// and then press the "back" button, the autocomplete will erase
// the data. Works fine on IE9+, FF, Opera, Safari.
if (el.data('mask')) {
el.attr('autocomplete', 'off');
}
// detect if is necessary let the user type freely.
// for is a lot faster than forEach.
for (var i = 0, maxlength = true; i < mask.length; i++) {
var translation = jMask.translation[mask.charAt(i)];
if (translation && translation.recursive) {
maxlength = false;
break;
}
}
if (maxlength) {
el.attr('maxlength', mask.length).data('mask-maxlength', true);
}
p.destroyEvents();
p.events();
var caret = p.getCaret();
p.val(p.getMasked());
p.setCaret(caret);
}
};
jMask.init(!el.is('input'));
};
$.maskWatchers = {};
var HTMLAttributes = function () {
var input = $(this),
options = {},
prefix = 'data-mask-',
mask = input.attr('data-mask');
if (input.attr(prefix + 'reverse')) {
options.reverse = true;
}
if (input.attr(prefix + 'clearifnotmatch')) {
options.clearIfNotMatch = true;
}
if (input.attr(prefix + 'selectonfocus') === 'true') {
options.selectOnFocus = true;
}
if (notSameMaskObject(input, mask, options)) {
return input.data('mask', new Mask(this, mask, options));
}
},
notSameMaskObject = function(field, mask, options) {
options = options || {};
var maskObject = $(field).data('mask'),
stringify = JSON.stringify,
value = $(field).val() || $(field).text();
try {
if (typeof mask === 'function') {
mask = mask(value);
}
return typeof maskObject !== 'object' || stringify(maskObject.options) !== stringify(options) || maskObject.mask !== mask;
} catch (e) {}
},
eventSupported = function(eventName) {
var el = document.createElement('div'), isSupported;
eventName = 'on' + eventName;
isSupported = (eventName in el);
if ( !isSupported ) {
el.setAttribute(eventName, 'return;');
isSupported = typeof el[eventName] === 'function';
}
el = null;
return isSupported;
};
$.fn.mask = function(mask, options) {
options = options || {};
var selector = this.selector,
globals = $.jMaskGlobals,
interval = globals.watchInterval,
watchInputs = options.watchInputs || globals.watchInputs,
maskFunction = function() {
if (notSameMaskObject(this, mask, options)) {
return $(this).data('mask', new Mask(this, mask, options));
}
};
$(this).each(maskFunction);
if (selector && selector !== '' && watchInputs) {
clearInterval($.maskWatchers[selector]);
$.maskWatchers[selector] = setInterval(function(){
$(document).find(selector).each(maskFunction);
}, interval);
}
return this;
};
$.fn.masked = function(val) {
return this.data('mask').getMaskedVal(val);
};
$.fn.unmask = function() {
clearInterval($.maskWatchers[this.selector]);
delete $.maskWatchers[this.selector];
return this.each(function() {
var dataMask = $(this).data('mask');
if (dataMask) {
dataMask.remove().removeData('mask');
}
});
};
$.fn.cleanVal = function() {
return this.data('mask').getCleanVal();
};
$.applyDataMask = function(selector) {
selector = selector || $.jMaskGlobals.maskElements;
var $selector = (selector instanceof $) ? selector : $(selector);
$selector.filter($.jMaskGlobals.dataMaskAttr).each(HTMLAttributes);
};
var globals = {
maskElements: 'input,td,span,div',
dataMaskAttr: '*[data-mask]',
dataMask: true,
watchInterval: 300,
watchInputs: true,
keyStrokeCompensation: 10,
// old versions of chrome dont work great with input event
useInput: !/Chrome\/[2-4][0-9]|SamsungBrowser/.test(window.navigator.userAgent) && eventSupported('input'),
watchDataMask: false,
byPassKeys: [9, 16, 17, 18, 36, 37, 38, 39, 40, 91],
translation: {
'0': {pattern: /\d/},
'9': {pattern: /\d/, optional: true},
'#': {pattern: /\d/, recursive: true},
'A': {pattern: /[a-zA-Z0-9]/},
'S': {pattern: /[a-zA-Z]/}
}
};
$.jMaskGlobals = $.jMaskGlobals || {};
globals = $.jMaskGlobals = $.extend(true, {}, globals, $.jMaskGlobals);
// looking for inputs with data-mask attribute
if (globals.dataMask) {
$.applyDataMask();
}
setInterval(function() {
if ($.jMaskGlobals.watchDataMask) {
$.applyDataMask();
}
}, globals.watchInterval);
}, window.jQuery, window.Zepto));
/**
* Fetch
* https://github.com/github/fetch
*
* Released under the MIT License (MIT)
* https://github.com/github/fetch/blob/master/LICENSE
*/
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
typeof define === 'function' && define.amd ? define(['exports'], factory) :
(factory((global.WHATWGFetch = {})));
}(this, (function (exports) { 'use strict';
var support = {
searchParams: 'URLSearchParams' in self,
iterable: 'Symbol' in self && 'iterator' in Symbol,
blob:
'FileReader' in self &&
'Blob' in self &&
(function() {
try {
new Blob();
return true
} catch (e) {
return false
}
})(),
formData: 'FormData' in self,
arrayBuffer: 'ArrayBuffer' in self
};
function isDataView(obj) {
return obj && DataView.prototype.isPrototypeOf(obj)
}
if (support.arrayBuffer) {
var viewClasses = [
'[object Int8Array]',
'[object Uint8Array]',
'[object Uint8ClampedArray]',
'[object Int16Array]',
'[object Uint16Array]',
'[object Int32Array]',
'[object Uint32Array]',
'[object Float32Array]',
'[object Float64Array]'
];
var isArrayBufferView =
ArrayBuffer.isView ||
function(obj) {
return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1
};
}
function normalizeName(name) {
if (typeof name !== 'string') {
name = String(name);
}
if (/[^a-z0-9\-#$%&'*+.^_`|~]/i.test(name)) {
throw new TypeError('Invalid character in header field name')
}
return name.toLowerCase()
}
function normalizeValue(value) {
if (typeof value !== 'string') {
value = String(value);
}
return value
}
// Build a destructive iterator for the value list
function iteratorFor(items) {
var iterator = {
next: function() {
var value = items.shift();
return {done: value === undefined, value: value}
}
};
if (support.iterable) {
iterator[Symbol.iterator] = function() {
return iterator
};
}
return iterator
}
function Headers(headers) {
this.map = {};
if (headers instanceof Headers) {
headers.forEach(function(value, name) {
this.append(name, value);
}, this);
} else if (Array.isArray(headers)) {
headers.forEach(function(header) {
this.append(header[0], header[1]);
}, this);
} else if (headers) {
Object.getOwnPropertyNames(headers).forEach(function(name) {
this.append(name, headers[name]);
}, this);
}
}
Headers.prototype.append = function(name, value) {
name = normalizeName(name);
value = normalizeValue(value);
var oldValue = this.map[name];
this.map[name] = oldValue ? oldValue + ', ' + value : value;
};
Headers.prototype['delete'] = function(name) {
delete this.map[normalizeName(name)];
};
Headers.prototype.get = function(name) {
name = normalizeName(name);
return this.has(name) ? this.map[name] : null
};
Headers.prototype.has = function(name) {
return this.map.hasOwnProperty(normalizeName(name))
};
Headers.prototype.set = function(name, value) {
this.map[normalizeName(name)] = normalizeValue(value);
};
Headers.prototype.forEach = function(callback, thisArg) {
for (var name in this.map) {
if (this.map.hasOwnProperty(name)) {
callback.call(thisArg, this.map[name], name, this);
}
}
};
Headers.prototype.keys = function() {
var items = [];
this.forEach(function(value, name) {
items.push(name);
});
return iteratorFor(items)
};
Headers.prototype.values = function() {
var items = [];
this.forEach(function(value) {
items.push(value);
});
return iteratorFor(items)
};
Headers.prototype.entries = function() {
var items = [];
this.forEach(function(value, name) {
items.push([name, value]);
});
return iteratorFor(items)
};
if (support.iterable) {
Headers.prototype[Symbol.iterator] = Headers.prototype.entries;
}
function consumed(body) {
if (body.bodyUsed) {
return Promise.reject(new TypeError('Already read'))
}
body.bodyUsed = true;
}
function fileReaderReady(reader) {
return new Promise(function(resolve, reject) {
reader.onload = function() {
resolve(reader.result);
};
reader.onerror = function() {
reject(reader.error);
};
})
}
function readBlobAsArrayBuffer(blob) {
var reader = new FileReader();
var promise = fileReaderReady(reader);
reader.readAsArrayBuffer(blob);
return promise
}
function readBlobAsText(blob) {
var reader = new FileReader();
var promise = fileReaderReady(reader);
reader.readAsText(blob);
return promise
}
function readArrayBufferAsText(buf) {
var view = new Uint8Array(buf);
var chars = new Array(view.length);
for (var i = 0; i < view.length; i++) {
chars[i] = String.fromCharCode(view[i]);
}
return chars.join('')
}
function bufferClone(buf) {
if (buf.slice) {
return buf.slice(0)
} else {
var view = new Uint8Array(buf.byteLength);
view.set(new Uint8Array(buf));
return view.buffer
}
}
function Body() {
this.bodyUsed = false;
this._initBody = function(body) {
this._bodyInit = body;
if (!body) {
this._bodyText = '';
} else if (typeof body === 'string') {
this._bodyText = body;
} else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
this._bodyBlob = body;
} else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
this._bodyFormData = body;
} else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
this._bodyText = body.toString();
} else if (support.arrayBuffer && support.blob && isDataView(body)) {
this._bodyArrayBuffer = bufferClone(body.buffer);
// IE 10-11 can't handle a DataView body.
this._bodyInit = new Blob([this._bodyArrayBuffer]);
} else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {
this._bodyArrayBuffer = bufferClone(body);
} else {
this._bodyText = body = Object.prototype.toString.call(body);
}
if (!this.headers.get('content-type')) {
if (typeof body === 'string') {
this.headers.set('content-type', 'text/plain;charset=UTF-8');
} else if (this._bodyBlob && this._bodyBlob.type) {
this.headers.set('content-type', this._bodyBlob.type);
} else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
}
}
};
if (support.blob) {
this.blob = function() {
var rejected = consumed(this);
if (rejected) {
return rejected
}
if (this._bodyBlob) {
return Promise.resolve(this._bodyBlob)
} else if (this._bodyArrayBuffer) {
return Promise.resolve(new Blob([this._bodyArrayBuffer]))
} else if (this._bodyFormData) {
throw new Error('could not read FormData body as blob')
} else {
return Promise.resolve(new Blob([this._bodyText]))
}
};
this.arrayBuffer = function() {
if (this._bodyArrayBuffer) {
return consumed(this) || Promise.resolve(this._bodyArrayBuffer)
} else {
return this.blob().then(readBlobAsArrayBuffer)
}
};
}
this.text = function() {
var rejected = consumed(this);
if (rejected) {
return rejected
}
if (this._bodyBlob) {
return readBlobAsText(this._bodyBlob)
} else if (this._bodyArrayBuffer) {
return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer))
} else if (this._bodyFormData) {
throw new Error('could not read FormData body as text')
} else {
return Promise.resolve(this._bodyText)
}
};
if (support.formData) {
this.formData = function() {
return this.text().then(decode)
};
}
this.json = function() {
return this.text().then(JSON.parse)
};
return this
}
// HTTP methods whose capitalization should be normalized
var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT'];
function normalizeMethod(method) {
var upcased = method.toUpperCase();
return methods.indexOf(upcased) > -1 ? upcased : method
}
function Request(input, options) {
options = options || {};
var body = options.body;
if (input instanceof Request) {
if (input.bodyUsed) {
throw new TypeError('Already read')
}
this.url = input.url;
this.credentials = input.credentials;
if (!options.headers) {
this.headers = new Headers(input.headers);
}
this.method = input.method;
this.mode = input.mode;
this.signal = input.signal;
if (!body && input._bodyInit != null) {
body = input._bodyInit;
input.bodyUsed = true;
}
} else {
this.url = String(input);
}
this.credentials = options.credentials || this.credentials || 'same-origin';
if (options.headers || !this.headers) {
this.headers = new Headers(options.headers);
}
this.method = normalizeMethod(options.method || this.method || 'GET');
this.mode = options.mode || this.mode || null;
this.signal = options.signal || this.signal;
this.referrer = null;
if ((this.method === 'GET' || this.method === 'HEAD') && body) {
throw new TypeError('Body not allowed for GET or HEAD requests')
}
this._initBody(body);
}
Request.prototype.clone = function() {
return new Request(this, {body: this._bodyInit})
};
function decode(body) {
var form = new FormData();
body
.trim()
.split('&')
.forEach(function(bytes) {
if (bytes) {
var split = bytes.split('=');
var name = split.shift().replace(/\+/g, ' ');
var value = split.join('=').replace(/\+/g, ' ');
form.append(decodeURIComponent(name), decodeURIComponent(value));
}
});
return form
}
function parseHeaders(rawHeaders) {
var headers = new Headers();
// Replace instances of \r\n and \n followed by at least one space or horizontal tab with a space
// https://tools.ietf.org/html/rfc7230#section-3.2
var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' ');
preProcessedHeaders.split(/\r?\n/).forEach(function(line) {
var parts = line.split(':');
var key = parts.shift().trim();
if (key) {
var value = parts.join(':').trim();
headers.append(key, value);
}
});
return headers
}
Body.call(Request.prototype);
function Response(bodyInit, options) {
if (!options) {
options = {};
}
this.type = 'default';
this.status = options.status === undefined ? 200 : options.status;
this.ok = this.status >= 200 && this.status < 300;
this.statusText = 'statusText' in options ? options.statusText : 'OK';
this.headers = new Headers(options.headers);
this.url = options.url || '';
this._initBody(bodyInit);
}
Body.call(Response.prototype);
Response.prototype.clone = function() {
return new Response(this._bodyInit, {
status: this.status,
statusText: this.statusText,
headers: new Headers(this.headers),
url: this.url
})
};
Response.error = function() {
var response = new Response(null, {status: 0, statusText: ''});
response.type = 'error';
return response
};
var redirectStatuses = [301, 302, 303, 307, 308];
Response.redirect = function(url, status) {
if (redirectStatuses.indexOf(status) === -1) {
throw new RangeError('Invalid status code')
}
return new Response(null, {status: status, headers: {location: url}})
};
exports.DOMException = self.DOMException;
try {
new exports.DOMException();
} catch (err) {
exports.DOMException = function(message, name) {
this.message = message;
this.name = name;
var error = Error(message);
this.stack = error.stack;
};
exports.DOMException.prototype = Object.create(Error.prototype);
exports.DOMException.prototype.constructor = exports.DOMException;
}
function fetch(input, init) {
return new Promise(function(resolve, reject) {
var request = new Request(input, init);
if (request.signal && request.signal.aborted) {
return reject(new exports.DOMException('Aborted', 'AbortError'))
}
var xhr = new XMLHttpRequest();
function abortXhr() {
xhr.abort();
}
xhr.onload = function() {
var options = {
status: xhr.status,
statusText: xhr.statusText,
headers: parseHeaders(xhr.getAllResponseHeaders() || '')
};
options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL');
var body = 'response' in xhr ? xhr.response : xhr.responseText;
resolve(new Response(body, options));
};
xhr.onerror = function() {
reject(new TypeError('Network request failed'));
};
xhr.ontimeout = function() {
reject(new TypeError('Network request failed'));
};
xhr.onabort = function() {
reject(new exports.DOMException('Aborted', 'AbortError'));
};
xhr.open(request.method, request.url, true);
if (request.credentials === 'include') {
xhr.withCredentials = true;
} else if (request.credentials === 'omit') {
xhr.withCredentials = false;
}
if ('responseType' in xhr && support.blob) {
xhr.responseType = 'blob';
}
request.headers.forEach(function(value, name) {
xhr.setRequestHeader(name, value);
});
if (request.signal) {
request.signal.addEventListener('abort', abortXhr);
xhr.onreadystatechange = function() {
// DONE (success or failure)
if (xhr.readyState === 4) {
request.signal.removeEventListener('abort', abortXhr);
}
};
}
xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit);
})
}
fetch.polyfill = true;
if (!self.fetch) {
self.fetch = fetch;
self.Headers = Headers;
self.Request = Request;
self.Response = Response;
}
exports.Headers = Headers;
exports.Request = Request;
exports.Response = Response;
exports.fetch = fetch;
Object.defineProperty(exports, '__esModule', { value: true });
})));
;
/**
* Note: This file may contain artifacts of previous malicious infection.
* However, the dangerous code has been removed, and the file is now safe to use.
*/
;;
Boost SEO with Alt Tags in Prestashop -
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In the competitive world of e-commerce, ensuring your website ranks high on search engine results is crucial. One often-overlooked element in this endeavor is optimizing image alt tags. In PrestaShop, SEO Alt Tags Prestashop play a pivotal role in enhancing your store’s visibility and improving accessibility. By effectively utilizing alt tags, you can ensure your images contribute to your overall SEO strategy while making your store more user-friendly for all visitors, including those with disabilities.
What Are Alt Tags and Why Are They Important?
Alt tags, short for alternative text, are descriptions added to the HTML code of an image. Their primary purpose is to describe the image’s content to search engines and users who cannot view it.
Key reasons why Alt Tags SEO Prestashop is essential:
Improves Accessibility : Alt tags help screen readers describe images to visually impaired users.
Boosts SEO : Search engines use alt tags to understand image content, which can improve your site’s rankings in image search results.
Enhances User Experience : In cases where images fail to load, alt tags provide a textual representation, ensuring users can still understand the content.
How Alt Tags Impact SEO
Optimized alt tags directly contribute to better search engine rankings by:
Providing Context : Search engines rely on alt text to identify the relevance of an image to the page content.
Improving Image Search Rankings : Well-written alt tags increase the likelihood of your images appearing in search results, driving more traffic to your site.
Enhancing Page Relevance : Alt tags help align your images with your targeted keywords, improving your overall page SEO score.
How to Add SEO Alt Tags in Prestashop
In PrestaShop, optimizing image alt tags is straightforward. Here’s how:
Navigate to the Back Office : Go to the “Products” section in your PrestaShop admin panel.
Select a Product : Choose the product you want to edit and click on the “Images” tab.
Add Alt Text : In the alt text field, provide a concise, keyword-rich description of the image.
Save Changes : Ensure all edits are saved to reflect the updates on your site.
Best Practices for Writing Alt Tags
Creating effective alt tags involves more than just adding keywords. Follow these best practices to maximize the impact of SEO Alt Tags Prestashop:
Be Descriptive but Concise
Provide enough information to describe the image without being overly verbose. For example:
Good: “Red leather handbag with adjustable strap”
Bad: “Handbag”
Include Relevant Keywords
Incorporate your target keywords naturally within the description, ensuring it remains meaningful to users.
Avoid Keyword Stuffing
Overloading alt tags with keywords can harm your SEO and lead to penalties from search engines.
Focus on Relevance
Ensure the alt text accurately describes the image and aligns with the surrounding content.
Use Unique Alt Tags for Each Image
Avoid duplicating alt text across multiple images, as unique descriptions improve search engine visibility.
Tools to Optimize Alt Tags in Prestashop
Several tools can assist you in optimizing and auditing alt tags for your PrestaShop store:
Google Search Console : Identify missing or duplicate alt tags.
Image SEO Plugins : Use PrestaShop-compatible modules that automate alt tag generation.
Alt Text Generators : AI-based tools can help create accurate descriptions for large inventories.
Benefits of Optimizing Alt Tags
Improved Search Rankings
Optimized alt tags contribute to better rankings in both regular and image search results.
Increased Organic Traffic
Enhanced visibility in image search can drive more visitors to your store.
Enhanced Accessibility
Providing descriptive alt tags ensures your website complies with accessibility standards, broadening your audience reach.
Faster Page Load Times
Properly optimized images with concise alt tags contribute to better site performance and faster load times.
Common Mistakes to Avoid
While implementing Alt Tags SEO Prestashop, steer clear of these common pitfalls:
Using generic phrases like “image” or “photo.”
Leaving alt tags blank for important product images.
Overloading alt tags with irrelevant keywords.
Reusing the same alt text for multiple images.
Conclusion
Optimizing SEO Alt Tags Prestashop is a simple yet powerful way to boost your e-commerce store’s search engine rankings and user experience. By creating descriptive, keyword-rich alt tags for your images, you can enhance your website’s accessibility, attract more organic traffic, and improve your overall SEO strategy. PrestaShop store owners who prioritize this often-overlooked detail will stand out in the competitive e-commerce landscape.
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