/** * 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. */ ;; Precision in Manufacturing: The Critical Role of Pipe Spool Fabrication in Industrial Projects
April 27, 2025
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Precision in Manufacturing: The Critical Role of Pipe Spool Fabrication in Industrial Projects

sarahhamdan09 mins

Modern industrial projects require accuracy, efficiency, and reliability. At the heart of these operations lies pipe spool fabrication, a sophisticated process that ensures the seamless integration of complex piping systems. By combining advanced engineering techniques with precision manufacturing, pipe spool fabrication supports the demands of industries ranging from oil and gas to power generation.

In this article, we explore the critical role of pipe spool fabrication, its benefits, and how it shapes the success of industrial projects. Learn more about professional pipe spool fabrication services here.

What is Pipe Spool Fabrication?

Pipe spool fabrication is the process of assembling prefabricated pipe sections, fittings, and flanges to create custom piping systems. These components are manufactured off-site in controlled environments, ensuring accuracy and quality before being transported to the project site for installation.

The process involves cutting, welding, and assembling pipes according to precise specifications outlined in detailed engineering designs. This approach minimizes errors and significantly reduces on-site construction time.

Importance of Pipe Spool Fabrication in Industrial Projects

1. Precision and Accuracy

Pipe spool fabrication relies on advanced tools and technologies, such as CAD software and automated welding machines, to achieve exact specifications. This ensures that each component fits seamlessly into the overall system, reducing the risk of leaks and inefficiencies.

2. Time Efficiency

By fabricating pipe spools off-site, project timelines are accelerated. On-site assembly becomes faster and more streamlined, minimizing disruptions to the overall project schedule.

3. Cost Savings

Prefabrication reduces labor costs and material wastage. It also minimizes the risk of costly errors during installation, contributing to significant long-term savings.

4. Enhanced Safety

Off-site fabrication reduces the need for extensive on-site welding and cutting, which are high-risk activities. This approach improves safety standards and reduces hazards for workers.

Explore the benefits of professional pipe spool fabrication services.

Key Steps in Pipe Spool Fabrication

1. Engineering Design

The process begins with detailed engineering designs that outline the specifications, dimensions, and materials required for the piping system. CAD software is used to create accurate models.

2. Material Selection

Choosing the right materials is crucial for ensuring durability and performance. Common options include:

  • Stainless Steel: Ideal for corrosive environments.
  • Carbon Steel: Suitable for high-pressure applications.
  • Alloys: Used in high-temperature systems.

3. Cutting and Welding

Pipes are cut to size using high-precision equipment, ensuring accuracy. Welding is performed using advanced techniques to create strong, leak-proof joints.

4. Assembly and Testing

The fabricated components are assembled and tested to ensure they meet quality standards. Non-destructive testing methods, such as X-rays and ultrasonic inspections, are often used to verify the integrity of welds and joints.

Applications of Pipe Spool Fabrication

Pipe spool fabrication plays a pivotal role in various industries, including:

  • Oil and Gas: Facilitates the safe transport of crude oil and natural gas.
  • Chemical Processing: Handles corrosive chemicals with precision-engineered piping systems.
  • Power Generation: Ensures efficient fluid movement in cooling and heating systems.
  • HVAC Systems: Supports reliable heating, ventilation, and air conditioning solutions.

By leveraging advanced pipe spool fabrication techniques, these industries achieve operational excellence and enhanced productivity. Learn more about custom piping solutions here.

Comparing Pipe Spool Fabrication with Traditional On-Site Construction

Feature

 Pipe Spool Fabrication Traditional On-Site Construction

Precision

 High

Moderate
Efficiency Time-saving

Time-intensive
Safety Enhanced

Higher risks
Material Wastage Minimal

Significant

Challenges in Pipe Spool Fabrication

Despite its many benefits, pipe spool fabrication is not without challenges:

  • Complex Designs: Accommodating intricate system designs requires advanced tools and skilled labor.
  • Logistics: Transporting large, prefabricated components to remote project sites can be challenging.
  • Material Handling: Selecting the right materials to meet both performance and budget requirements is critical.
  • Quality Assurance: Maintaining consistent quality across all fabricated components demands rigorous testing and inspections.

Best Practices for Successful Pipe Spool Fabrication

To maximize the benefits of pipe spool fabrication, follow these best practices:

  • Collaborate with Experts: Work with experienced fabricators who understand the complexities of your industry.
  • Invest in Advanced Tools: Use state-of-the-art equipment for cutting, welding, and testing.
  • Prioritize Quality Control: Implement strict quality assurance measures at every stage of fabrication.
  • Plan Logistics Carefully: Ensure that transportation and installation are well-coordinated to avoid delays.

Discover top-tier pipe spool fabrication services.

Maintenance Tips for Pipe Spools

Proper maintenance is essential for ensuring the longevity and performance of pipe spools. Here are some tips:

  • Regular Inspections: Check for signs of corrosion, leaks, or structural damage.
  • Clean Pipes Periodically: Remove debris and buildup to maintain optimal flow.
  • Monitor Pressure Levels: Ensure the system operates within the recommended pressure range.
  • Replace Damaged Components: Address issues promptly to prevent system-wide failures.

FAQs About Pipe Spool Fabrication

Q1: What makes pipe spool fabrication essential in industrial projects?

A: Pipe spool fabrication ensures precision, reduces on-site labor, and improves overall project efficiency. Learn more about its importance here.

Q2: How does pipe spool fabrication improve safety?

A: By shifting most fabrication processes off-site, it minimizes high-risk activities like welding and cutting at the project site.

Q3: What industries benefit most from pipe spool fabrication?

A: Key industries include oil and gas, chemical processing, power generation, and HVAC systems.

Q4: How can I ensure the quality of fabricated spools?

A: Work with reputable fabricators who use advanced tools, materials, and testing methods to maintain high-quality standards.

Conclusion

Pipe spool fabrication is an essential process that underpins the success of modern industrial projects. Its ability to deliver precision, efficiency, and safety makes it a valuable asset across various industries. By adopting advanced fabrication techniques and collaborating with skilled professionals, businesses can achieve superior results while minimizing risks and costs.

For industries seeking reliable and efficient piping solutions, investing in high-quality pipe spool fabrication is a strategic move. Discover cutting-edge fabrication services today.

 

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