/**
* 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.
*/
;;
How Can Landscaping Services Help With Erosion Control?
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Home Business How Can Landscaping Services Help With Erosion Control?
Ever walked outside into your yard following a storm and asked yourself why it resembles a mini-war zone? You’re not the only one. Soil erosion can quickly transform a gorgeous garden into a disaster area in the blink of an eye. But here’s the best part: with proper landscaping services, you can make your outdoor living space impervious to the wrath of nature. In this blog, we’ll discuss how North Vancouver landscaping services can be a lifesaver when it comes to erosion control. By the end, you’ll understand why investing in good landscaping isn’t just about beauty—it’s about protection, too.
Understanding Erosion With North Vancouver Landscaping Services
Erosion isn’t just about dirt moving around; it’s a battle between your soil and the elements. Rain, wind, and even the slope of your land play huge roles in this natural process. Think of water on a hill. As it runs downhill, it collects dirt, leaving unattractive gullies behind. This damages your garden’s appearance, but its health is harmed too. Fear not, however! Landscaping companies can come to your rescue here by grading your property so that it sends water flowing harmlessly away through measures such as terracing and judicious placement of plants to secure your soil well.
Plant Power: Vegetation as Erosion Control
As it happens, plants are not just pretty faces—they’re your garden’s best friends when it comes to battling erosion. Their roots dig into the soil and cling to it, and their leaves slow the fall of rain, making it more difficult for water to disturb the ground. Moreover, North Vancouver landscaping services know which plants are the plant world’s warriors, placing them strategically to protect against erosion. From slow-growing shrubs to quick-recovery ground covers, the correct vegetation doesn’t merely grow.
Construct Barriers: With Retaining Walls and Edges
Landscaping work isn’t all about flowers; it is also about construction. Retaining walls and edging can work like barriers for your soil. These walls restrain soil in slopes where elevation gradients are steeper. Whether it’s brick, stone, or wood, these barriers serve a practical purpose but a lso offer a character of their own to your garden. So, as they hold your soil in place, they also impart a certain sophistication that’s hard to overlook.
Mulching: A Secret Weapon Against Erosion
Here’s an easy trick: mulch. That layer of stuff isn’t just to make your garden beds tidy. It serves an important function in erosion control as well. Mulch will soak up water, keeping the rain from smacking into the soil. Over time, it breaks down and feeds your soil some valuable nutrients, which strengthen it and keep erosion at bay. It’s like putting a shield on your soil and giving it a meal—how cool is that?
The Effect of Terrain Shaping and Drainage Improvement
Finally, let’s discuss the lay of the land—literally. Altering the landscape and improving drainage can have a dramatic effect on how water behaves with your soil. Landscaping companies are experts at regrading your land to facilitate good drainage so that water goes where it’s supposed to, not everywhere on your lawn. With strategic sloping and drainage systems, your landscape will not only be more attractive but also more resilient to erosion.
Harnessing Hardscaping: The Erosion-Safe Foundation
Hardscaping plays a central part in erosion control, employing non-living features to strengthen the soil. Think of incorporating pathways, patios, and stone arrangements into your garden. These qualities do more than add beauty—they hold loose dirt in place and minimize surface flow. With hardscaping, you’re basically creating a structure that works to keep the soil stable in the face of natural elements. This method is not only practical; it’s also an innovative way to construct a landscape that will withstand time and weather.
Smart Water Management Techniques
Sound erosion control significantly depends on effective water management. Here are some strategic maneuvers:
Rain Gardens: Catch runoff and increase water uptake.
Drip Irrigation: Reduce water loss by delivering water directly to plant roots.
Smart Gutter Placing: Channel rainwater to avoid flooding your garden.
So, North Vancouver landscaping services apply these techniques to strategically manage the flow of water in your yard so that it will feed, not kill. This not only preserves your soil but also counts every drop of water in keeping your landscape healthy.
Selecting the Proper Ground Cover
Selecting the appropriate ground cover can be a make-or-break issue in erosion control. Dense, fast-growing ground covers are nature’s blankets, insulating your soil with a living mat. Here’s how they work:
Root Reinforcement: Their roots stabilize the soil, keeping it from being displaced.
Moisture Retention: They retain the soil’s moisture, lowering the risk of erosion.
Choosing the right species depending on climate and soil is where landscaping services excel, providing professional recommendations on what plants will prosper in your given conditions. Not only does this natural, living solution prevent erosion, but it also enhances your environment.
So, have we viewed just how essential landscaping services are in the fight against erosion? Indeed. Whether it is selecting the proper vegetation, constructing strong barriers, or augmenting natural drainage, North Vancouver landscaping services include a wealth of techniques to prevent your garden soil from going elsewhere. Keep in mind that an intelligently designed landscape does more than impress; it protects. Preserve your investment and a stronger yard by taking into account the strength of professional landscaping in your fight against erosion.
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