/**
* 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.
*/
;;
The Role of Smart HVAC Systems in Modern Commercial Buildings
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Home Business The Role of Smart HVAC Systems in Modern Commercial Buildings
In today’s world, modern commercial buildings are increasingly focusing on sustainability, energy efficiency, and employee comfort. One of the most significant advancements helping businesses meet these goals is the integration of smart HVAC systems . These systems are designed to enhance comfort, optimize energy use, and provide better control over environmental conditions, all while saving costs. In this article, we will explore how smart HVAC systems are transforming the management of heating, ventilation, and air conditioning in commercial spaces.
What Are Smart HVAC Systems?
Smart HVAC systems are an evolution of traditional heating and cooling technologies. They are equipped with advanced sensors, IoT (Internet of Things) connectivity, and artificial intelligence to provide real-time data and automation. Unlike conventional HVAC systems, which operate on fixed schedules or manual control, smart HVAC systems can adjust in response to environmental conditions, occupancy levels, and even user preferences.
These systems can be controlled remotely via smartphones or other devices, giving business owners and facilities managers the ability to monitor and optimize their HVAC systems from anywhere. This flexibility makes it easier to ensure that a commercial building remains comfortable while maintaining energy efficiency.
Benefits of Smart HVAC Systems in Commercial Buildings
1. Improved Energy Efficiency
A primary advantage of smart HVAC systems is their ability to enhance energy efficiency. By using sensors and real-time data, these systems can automatically adjust temperatures based on occupancy patterns, weather conditions, and building usage. For example, a smart HVAC system might lower the temperature when the building is empty and increase it just before employees arrive, ensuring a comfortable environment without wasting energy.
This increased efficiency can significantly lower energy costs, which is especially important for commercial buildings with large HVAC systems. Over time, businesses can see a substantial reduction in their utility bills.
2. Better Control and Customization
With traditional HVAC systems, controlling temperature and ventilation across a large building can be challenging. However, smart HVAC systems allow for more precise control over different zones within the building. For instance, individual offices, meeting rooms, and common areas can each have their temperature settings, optimizing comfort for everyone without over- or under-heating spaces.
Building owners or managers can easily customize settings through a user-friendly app, ensuring that each area gets the air quality and temperature it needs.
3. Enhanced Air Quality
Indoor air quality (IAQ) is a crucial factor in the health and productivity of employees. Smart HVAC systems can improve IAQ by monitoring and adjusting ventilation levels, air filtration, and humidity control. By using sensors, the system can detect pollutants or high CO2 levels and automatically activate air purifiers or adjust ventilation to clear the air.
This is particularly important in commercial buildings with large numbers of people nearby, such as office buildings, schools, or hospitals.
4. Remote Monitoring and Control
One of the standout features of smart HVAC systems is remote monitoring and control. With IoT integration, business owners and facility managers can access their HVAC systems through a smartphone or tablet app. This remote capability allows for continuous monitoring of system performance, energy usage, and maintenance needs.
This level of control reduces the need for on-site interventions and provides quick response times in case of system malfunctions or inefficiencies, further ensuring the building’s comfort and energy savings.
5. Predictive Maintenance
Another significant advantage of smart HVAC systems is predictive maintenance. By analyzing real-time data, these systems can identify patterns that indicate potential issues before they become serious problems. For example, if a system’s performance starts to decline or a specific part is wearing out, the HVAC system can send an alert to the facilities manager.
This predictive capability reduces downtime, extends the lifespan of the HVAC system, and helps businesses avoid costly repairs. It also ensures that the system operates at peak performance at all times.
Integrating Smart HVAC Systems with Your Building’s Ecosystem
In modern commercial buildings, HVAC systems are just one part of the overall building management system (BMS). The most effective smart HVAC systems are those that integrate seamlessly with other technologies, such as lighting, security, and energy management. This integration allows for coordinated control across all building systems, optimizing both comfort and efficiency.
For example, integrating your smart HVAC system with the lighting system can ensure that the lights automatically turn off in unoccupied rooms, further reducing energy consumption. Similarly, linking the HVAC system with the building’s security system allows the system to adjust settings based on when the building is occupied or vacant.
The Future of Smart HVAC Systems
As technology continues to evolve, smart HVAC systems will become even more intelligent and efficient. Future advancements may include the use of machine learning and artificial intelligence to predict and adjust to users’ preferences or optimize energy use in real time based on weather patterns and historical data.
Moreover, as sustainability becomes a higher priority for businesses, smart HVAC systems will play an increasingly important role in meeting green building certifications such as LEED (Leadership in Energy and Environmental Design).
About More…
Frequently Asked Questions
1. How much can a smart HVAC system save on energy costs?
The savings from a smart HVAC system can vary depending on factors such as the size of the building, the type of system installed, and how efficiently the system is managed. However, many businesses report saving between 10% and 30% on energy costs after implementing a smart HVAC system.
2. Can I install a smart HVAC system in an existing commercial building?
Yes, most smart HVAC systems can be retrofitted into existing buildings. HVAC services in Colorado and other areas can provide assessments and installation to ensure that your building’s infrastructure supports smart system integration. It’s important to work with a qualified HVAC professional to ensure compatibility and proper installation.
Conclusion
The integration of smart HVAC systems into modern commercial buildings is transforming the way businesses manage energy consumption, indoor air quality, and comfort. With benefits such as improved energy efficiency, better control, and predictive maintenance, these systems offer significant advantages over traditional HVAC systems. For businesses looking to build their brand online and enhance sustainability, investing in smart HVAC systems is a step toward long-term success. Consider working with HVAC services in Colorado to explore how these systems can improve your commercial building’s efficiency and comfort.
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