// is.js 0.7.1 // Author: Aras Atasaygin // AMD with global, Node, or global ;(function(root, factory) { if(typeof define === 'function' && define.amd) { // AMD. Register as an anonymous module. define(['is'], function(is) { // Also create a global in case some scripts // that are loaded still are looking for // a global even when an AMD loader is in use. return (root.is = factory(is)); }); } else if(typeof exports === 'object') { // Node. Does not work with strict CommonJS, but // only CommonJS-like enviroments that support module.exports, // like Node. module.exports = factory(require('is_js')); } else { // Browser globals (root is window) root.is = factory(root.is); } }(this, function(is) { // Baseline /* -------------------------------------------------------------------------- */ var root = this; var previousIs = root.is; // define 'is' object and current version is = {}; is.VERSION = '0.7.1'; // define interfaces is.not = {}; is.all = {}; is.any = {}; // cache some methods to call later on var toString = Object.prototype.toString; var arraySlice = Array.prototype.slice; var hasOwnProperty = Object.prototype.hasOwnProperty; // helper function which reverses the sense of predicate result function not(func) { return function() { return !func.apply(null, arraySlice.call(arguments)); }; } // helper function which call predicate function per parameter and return true if all pass function all(func) { return function() { var parameters = arraySlice.call(arguments); var length = parameters.length; if(length === 1 && is.array(parameters[0])) { // support array parameters = parameters[0]; length = parameters.length; } for (var i = 0; i < length; i++) { if (!func.call(null, parameters[i])) { return false; } } return true; }; } // helper function which call predicate function per parameter and return true if any pass function any(func) { return function() { var parameters = arraySlice.call(arguments); var length = parameters.length; if(length === 1 && is.array(parameters[0])) { // support array parameters = parameters[0]; length = parameters.length; } for (var i = 0; i < length; i++) { if (func.call(null, parameters[i])) { return true; } } return false; }; } // Type checks /* -------------------------------------------------------------------------- */ // is a given value Arguments? is.arguments = function(value) { // fallback check is for IE return is.not.null(value) && (toString.call(value) === '[object Arguments]' || (typeof value === 'object' && 'callee' in value)); }; // is a given value Array? is.array = Array.isArray || function(value) { // check native isArray first return toString.call(value) === '[object Array]'; }; // is a given value Boolean? is.boolean = function(value) { return value === true || value === false || toString.call(value) === '[object Boolean]'; }; // is a given value Date Object? is.date = function(value) { return toString.call(value) === '[object Date]'; }; // is a given value Error object? is.error = function(value) { return toString.call(value) === '[object Error]'; }; // is a given value function? is.function = function(value) { // fallback check is for IE return toString.call(value) === '[object Function]' || typeof value === 'function'; }; // is a given value NaN? is.nan = function(value) { // NaN is number :) Also it is the only value which does not equal itself return value !== value; }; // is a given value null? is.null = function(value) { return value === null || toString.call(value) === '[object Null]'; }; // is a given value number? is.number = function(value) { return is.not.nan(value) && toString.call(value) === '[object Number]'; }; // is a given value object? is.object = function(value) { var type = typeof value; return type === 'function' || type === 'object' && !!value; }; // is given value a pure JSON object? is.json = function(value) { return toString.call(value) === '[object Object]'; }; // is a given value RegExp? is.regexp = function(value) { return toString.call(value) === '[object RegExp]'; }; // are given values same type? // prevent NaN, Number same type check is.sameType = function(value1, value2) { if(is.nan(value1) || is.nan(value2)) { return is.nan(value1) === is.nan(value2); } return toString.call(value1) === toString.call(value2); }; // sameType method does not support 'all' and 'any' interfaces is.sameType.api = ['not']; // is a given value String? is.string = function(value) { return toString.call(value) === '[object String]'; }; // is a given value Char? is.char = function(value) { return is.string(value) && value.length === 1; }; // is a given value undefined? is.undefined = function(value) { return value === void 0; }; // Presence checks /* -------------------------------------------------------------------------- */ //is a given value empty? Objects, arrays, strings is.empty = function(value) { if(is.object(value)){ var num = Object.getOwnPropertyNames(value).length; if(num === 0 || (num === 1 && is.array(value)) || (num === 2 && is.arguments(value))){ return true; } return false; } else { return value === ''; } }; // is a given value existy? is.existy = function(value) { return value !== null && value !== undefined; }; // is a given value truthy? is.truthy = function(value) { return is.existy(value) && value !== false && is.not.nan(value) && value !== "" && value !== 0; }; // is a given value falsy? is.falsy = not(is.truthy); // is a given value space? // horizantal tab: 9, line feed: 10, vertical tab: 11, form feed: 12, carriage return: 13, space: 32 is.space = function(value) { if(is.char(value)) { var characterCode = value.charCodeAt(0); return (characterCode > 8 && characterCode < 14) || characterCode === 32; } else { return false; } }; // Arithmetic checks /* -------------------------------------------------------------------------- */ // are given values equal? supports numbers, strings, regexps, booleans // TODO: Add object and array support is.equal = function(value1, value2) { // check 0 and -0 equity with Infinity and -Infinity if(is.all.number(value1, value2)) { return value1 === value2 && 1 / value1 === 1 / value2; } // check regexps as strings too if(is.all.string(value1, value2) || is.all.regexp(value1, value2)) { return '' + value1 === '' + value2; } if(is.all.boolean(value1, value2)) { return value1 === value2; } return false; }; // equal method does not support 'all' and 'any' interfaces is.equal.api = ['not']; // is a given number even? is.even = function(numb) { return is.number(numb) && numb % 2 === 0; }; // is a given number odd? is.odd = function(numb) { return is.number(numb) && numb % 2 !== 0; }; // is a given number positive? is.positive = function(numb) { return is.number(numb) && numb > 0; }; // is a given number negative? is.negative = function(numb) { return is.number(numb) && numb < 0; }; // is a given number above minimum parameter? is.above = function(numb, min) { return is.all.number(numb, min) && numb > min; }; // above method does not support 'all' and 'any' interfaces is.above.api = ['not']; // is a given number above maximum parameter? is.under = function(numb, max) { return is.all.number(numb, max) && numb < max; }; // least method does not support 'all' and 'any' interfaces is.under.api = ['not']; // is a given number within minimum and maximum parameters? is.within = function(numb, min, max) { return is.all.number(numb, min, max) && numb > min && numb < max; }; // within method does not support 'all' and 'any' interfaces is.within.api = ['not']; // is a given number decimal? is.decimal = function(numb) { return is.number(numb) && numb % 1 !== 0; }; // is a given number integer? is.integer = function(numb) { return is.number(numb) && numb % 1 === 0; }; // is a given number finite? is.finite = isFinite || function(numb) { return numb !== Infinity && numb !== -Infinity && is.not.nan(numb); }; // is a given number infinite? is.infinite = not(is.finite); // Regexp checks /* -------------------------------------------------------------------------- */ // Steven Levithan, Jan Goyvaerts: Regular Expressions Cookbook // Scott Gonzalez: Email address validation // eppPhone match extensible provisioning protocol format // nanpPhone match north american number plan format // dateString match m/d/yy and mm/dd/yyyy, allowing any combination of one or two digits for the day and month, and two or four digits for the year // time match hours, minutes, and seconds, 24-hour clock var regexps = { url: /^(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?$/, email: /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/i, creditCard: /^(?:(4[0-9]{12}(?:[0-9]{3})?)|(5[1-5][0-9]{14})|(6(?:011|5[0-9]{2})[0-9]{12})|(3[47][0-9]{13})|(3(?:0[0-5]|[68][0-9])[0-9]{11})|((?:2131|1800|35[0-9]{3})[0-9]{11}))$/, alphaNumeric: /^[A-Za-z0-9]+$/, timeString: /^(2[0-3]|[01]?[0-9]):([0-5]?[0-9]):([0-5]?[0-9])$/, dateString: /^(1[0-2]|0?[1-9])\/(3[01]|[12][0-9]|0?[1-9])\/(?:[0-9]{2})?[0-9]{2}$/, usZipCode: /^[0-9]{5}(?:-[0-9]{4})?$/, caPostalCode: /^(?!.*[DFIOQU])[A-VXY][0-9][A-Z]\s?[0-9][A-Z][0-9]$/, ukPostCode: /^[A-Z]{1,2}[0-9RCHNQ][0-9A-Z]?\s?[0-9][ABD-HJLNP-UW-Z]{2}$|^[A-Z]{2}-?[0-9]{4}$/, nanpPhone: /^\(?([0-9]{3})\)?[-. ]?([0-9]{3})[-. ]?([0-9]{4})$/, eppPhone: /^\+[0-9]{1,3}\.[0-9]{4,14}(?:x.+)?$/, socialSecurityNumber: /^(?!000|666)[0-8][0-9]{2}-(?!00)[0-9]{2}-(?!0000)[0-9]{4}$/, affirmative: /^(?:1|t(?:rue)?|y(?:es)?|ok(?:ay)?)$/, hexadecimal: /^[0-9a-fA-F]+$/, hexColor: /^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$/, ipv4: /^(?:(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])\.){3}(?:\d|[1-9]\d|1\d{2}|2[0-4]\d|25[0-5])$/, ipv6: /^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])$|^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/, ip: /^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^(([a-zA-Z]|[a-zA-Z][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z]|[A-Za-z][A-Za-z0-9\-]*[A-Za-z0-9])$|^\s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(\.(25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}))|:)))(%.+)?\s*$/ }; // create regexp checks methods from 'regexp' object for(var regexp in regexps) { if(regexps.hasOwnProperty(regexp)) { regexpCheck(regexp, regexps); } } function regexpCheck(regexp, regexps) { is[regexp] = function(value) { return regexps[regexp].test(value); }; } // String checks /* -------------------------------------------------------------------------- */ // is a given string include parameter substring? is.include = String.prototype.includes || function(str, substr) { return str.indexOf(substr) > -1; }; // include method does not support 'all' and 'any' interfaces is.include.api = ['not']; // is a given string all uppercase? is.upperCase = function(str) { return is.string(str) && str === str.toUpperCase(); }; // is a given string all lowercase? is.lowerCase = function(str) { return is.string(str) && str === str.toLowerCase(); }; // is string start with a given startWith parameter? is.startWith = function(str, startWith) { return is.string(str) && str.indexOf(startWith) === 0; }; // startWith method does not support 'all' and 'any' interfaces is.startWith.api = ['not']; // is string end with a given endWith parameter? is.endWith = function(str, endWith) { return is.string(str) && str.indexOf(endWith) > -1 && str.indexOf(endWith) === str.length - endWith.length; }; // endWith method does not support 'all' and 'any' interfaces is.endWith.api = ['not']; // is a given string or sentence capitalized? is.capitalized = function(str) { if(is.not.string(str)) { return false; } var words = str.split(' '); var capitalized = []; for(var i = 0; i < words.length; i++) { capitalized.push(words[i][0] === words[i][0].toUpperCase()); } return is.all.truthy.apply(null, capitalized); }; // is a given string palindrome? is.palindrome = function(str) { return is.string(str) && str == str.split('').reverse().join(''); }; // Time checks /* -------------------------------------------------------------------------- */ var days = ['sunday', 'monday', 'tuesday', 'wednesday', 'thursday', 'friday', 'saturday']; var months = ['january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december']; // is a given date indicate today? is.today = function(obj) { var now = new Date(); var todayString = now.toDateString(); return is.date(obj) && obj.toDateString() === todayString; }; // is a given date indicate yesterday? is.yesterday = function(obj) { var now = new Date(); var yesterdayString = new Date(now.setDate(now.getDate() - 1)).toDateString(); return is.date(obj) && obj.toDateString() === yesterdayString; }; // is a given date indicate tomorrow? is.tomorrow = function(obj) { var now = new Date(); var tomorrowString = new Date(now.setDate(now.getDate() + 1)).toDateString(); return is.date(obj) && obj.toDateString() === tomorrowString; }; // is a given date past? is.past = function(obj) { var now = new Date(); return is.date(obj) && obj.getTime() < now.getTime(); }; // is a given date future? is.future = not(is.past); // is a given dates day equal given dayString parameter? is.day = function(obj, dayString) { return is.date(obj) && dayString.toLowerCase() === days[obj.getDay()]; }; // day method does not support 'all' and 'any' interfaces is.day.api = ['not']; // is a given dates month equal given monthString parameter? is.month = function(obj, monthString) { return is.date(obj) && monthString.toLowerCase() === months[obj.getMonth()]; }; // month method does not support 'all' and 'any' interfaces is.month.api = ['not']; // is a given dates year equal given year parameter? is.year = function(obj, year) { return is.date(obj) && is.number(year) && year === obj.getFullYear(); }; // year method does not support 'all' and 'any' interfaces is.year.api = ['not']; // is the given year a leap year? is.leapYear = function(year) { return is.number(year) && ((year % 4 === 0 && year % 100 !== 0) || year % 400 === 0); }; // is a given date weekend? // 6: Saturday, 0: Sunday is.weekend = function(obj) { return is.date(obj) && (obj.getDay() === 6 || obj.getDay() === 0); }; // is a given date weekday? is.weekday = not(is.weekend); // is date within given range? is.inDateRange = function(obj, startObj, endObj) { if(is.not.date(obj) || is.not.date(startObj) || is.not.date(endObj)) { return false; } var givenDate = obj.getTime(); var start = startObj.getTime(); var end = endObj.getTime(); return givenDate > start && givenDate < end; }; // inDateRange method does not support 'all' and 'any' interfaces is.inDateRange.api = ['not']; // is a given date in last week range? is.inLastWeek = function(obj) { return is.inDateRange(obj, new Date(new Date().setDate(new Date().getDate() - 7)), new Date()); }; // is a given date in last month range? is.inLastMonth = function(obj) { return is.inDateRange(obj, new Date(new Date().setMonth(new Date().getMonth() - 1)), new Date()); }; // is a given date in last year range? is.inLastYear = function(obj) { return is.inDateRange(obj, new Date(new Date().setFullYear(new Date().getFullYear() - 1)), new Date()); }; // is a given date in next week range? is.inNextWeek = function(obj) { return is.inDateRange(obj, new Date(), new Date(new Date().setDate(new Date().getDate() + 7))); }; // is a given date in next month range? is.inNextMonth = function(obj) { return is.inDateRange(obj, new Date(), new Date(new Date().setMonth(new Date().getMonth() + 1))); }; // is a given date in next year range? is.inNextYear = function(obj) { return is.inDateRange(obj, new Date(), new Date(new Date().setFullYear(new Date().getFullYear() + 1))); }; // is a given date in the parameter quarter? is.quarterOfYear = function(obj, quarterNumber) { return is.date(obj) && is.number(quarterNumber) && quarterNumber === Math.floor((obj.getMonth() + 3) / 3); }; // quarterOfYear method does not support 'all' and 'any' interfaces is.quarterOfYear.api = ['not']; // is a given date in daylight saving time? is.dayLightSavingTime = function(obj) { var january = new Date(obj.getFullYear(), 0, 1); var july = new Date(obj.getFullYear(), 6, 1); var stdTimezoneOffset = Math.max(january.getTimezoneOffset(), july.getTimezoneOffset()); return obj.getTimezoneOffset() < stdTimezoneOffset; }; // Environment checks /* -------------------------------------------------------------------------- */ // check if library is used as a Node.js module if(typeof window !== 'undefined') { // store navigator properties to use later var userAgent = 'navigator' in window && 'userAgent' in navigator && navigator.userAgent.toLowerCase() || ''; var vendor = 'navigator' in window && 'vendor' in navigator && navigator.vendor.toLowerCase() || ''; var appVersion = 'navigator' in window && 'appVersion' in navigator && navigator.appVersion.toLowerCase() || ''; // is current browser chrome? is.chrome = function() { return /chrome|chromium/i.test(userAgent) && /google inc/.test(vendor); }; // chrome method does not support 'all' and 'any' interfaces is.chrome.api = ['not']; // is current browser firefox? is.firefox = function() { return /firefox/i.test(userAgent); }; // firefox method does not support 'all' and 'any' interfaces is.firefox.api = ['not']; // is current browser internet explorer? // parameter is optional is.ie = function(version) { if(!version) { return /msie/i.test(userAgent) || "ActiveXObject" in window; } if(version >= 11) { return "ActiveXObject" in window; } return new RegExp('msie ' + version).test(userAgent); }; // ie method does not support 'all' and 'any' interfaces is.ie.api = ['not']; // is current browser opera? is.opera = function() { return /^Opera\//.test(userAgent) || // Opera 12 and older versions /\x20OPR\//.test(userAgent); // Opera 15+ }; // opera method does not support 'all' and 'any' interfaces is.opera.api = ['not']; // is current browser safari? is.safari = function() { return /safari/i.test(userAgent) && /apple computer/i.test(vendor); }; // safari method does not support 'all' and 'any' interfaces is.safari.api = ['not']; // is current device ios? is.ios = function() { return is.iphone() || is.ipad() || is.ipod(); }; // ios method does not support 'all' and 'any' interfaces is.ios.api = ['not']; // is current device iphone? is.iphone = function() { return /iphone/i.test(userAgent); }; // iphone method does not support 'all' and 'any' interfaces is.iphone.api = ['not']; // is current device ipad? is.ipad = function() { return /ipad/i.test(userAgent); }; // ipad method does not support 'all' and 'any' interfaces is.ipad.api = ['not']; // is current device ipod? is.ipod = function() { return /ipod/i.test(userAgent); }; // ipod method does not support 'all' and 'any' interfaces is.ipod.api = ['not']; // is current device android? is.android = function() { return /android/i.test(userAgent); }; // android method does not support 'all' and 'any' interfaces is.android.api = ['not']; // is current device android phone? is.androidPhone = function() { return /android/i.test(userAgent) && /mobile/i.test(userAgent); }; // androidPhone method does not support 'all' and 'any' interfaces is.androidPhone.api = ['not']; // is current device android tablet? is.androidTablet = function() { return /android/i.test(userAgent) && !/mobile/i.test(userAgent); }; // androidTablet method does not support 'all' and 'any' interfaces is.androidTablet.api = ['not']; // is current device blackberry? is.blackberry = function() { return /blackberry/i.test(userAgent); }; // blackberry method does not support 'all' and 'any' interfaces is.blackberry.api = ['not']; // is current device desktop? is.desktop = function() { return is.not.mobile() && is.not.tablet(); }; // desktop method does not support 'all' and 'any' interfaces is.desktop.api = ['not']; // is current operating system linux? is.linux = function() { return /linux/i.test(appVersion); }; // linux method does not support 'all' and 'any' interfaces is.linux.api = ['not']; // is current operating system mac? is.mac = function() { return /mac/i.test(appVersion); }; // mac method does not support 'all' and 'any' interfaces is.mac.api = ['not']; // is current operating system windows? is.windows = function() { return /win/i.test(appVersion); }; // windows method does not support 'all' and 'any' interfaces is.windows.api = ['not']; // is current device windows phone? is.windowsPhone = function() { return is.windows() && /phone/i.test(userAgent); }; // windowsPhone method does not support 'all' and 'any' interfaces is.windowsPhone.api = ['not']; // is current device windows tablet? is.windowsTablet = function() { return is.windows() && is.not.windowsPhone() && /touch/i.test(userAgent); }; // windowsTablet method does not support 'all' and 'any' interfaces is.windowsTablet.api = ['not']; // is current device mobile? is.mobile = function() { return is.iphone() || is.ipod() || is.androidPhone() || is.blackberry() || is.windowsPhone(); }; // mobile method does not support 'all' and 'any' interfaces is.mobile.api = ['not']; // is current device tablet? is.tablet = function() { return is.ipad() || is.androidTablet() || is.windowsTablet(); }; // tablet method does not support 'all' and 'any' interfaces is.tablet.api = ['not']; // is current state online? is.online = function() { return navigator.onLine; }; // online method does not support 'all' and 'any' interfaces is.online.api = ['not']; // is current state offline? is.offline = not(is.online); // offline method does not support 'all' and 'any' interfaces is.offline.api = ['not']; // is current device supports touch? is.touchDevice = function() { return 'ontouchstart' in window ||'DocumentTouch' in window && document instanceof DocumentTouch; }; // touchDevice method does not support 'all' and 'any' interfaces is.touchDevice.api = ['not']; } // Object checks /* -------------------------------------------------------------------------- */ // has a given object got parameterized count property? is.propertyCount = function(obj, count) { if(!is.object(obj) || !is.number(count)) { return false; } if(Object.keys) { return Object.keys(obj).length === count; } var properties = [], property; for(property in obj) { if (hasOwnProperty.call(obj, property)) { properties.push(property); } } return properties.length === count; }; // propertyCount method does not support 'all' and 'any' interfaces is.propertyCount.api = ['not']; // is given object has parameterized property? is.propertyDefined = function(obj, property) { return is.object(obj) && is.string(property) && property in obj; }; // propertyDefined method does not support 'all' and 'any' interfaces is.propertyDefined.api = ['not']; // is a given object window? // setInterval method is only available for window object is.windowObject = function(obj) { return typeof obj === 'object' && 'setInterval' in obj; }; // is a given object a DOM node? is.domNode = function(obj) { return is.object(obj) && obj.nodeType > 0; }; // Array checks /* -------------------------------------------------------------------------- */ // is a given item in an array? is.inArray = function(val, arr){ if(is.not.array(arr)) { return false; } for(var i = 0; i < arr.length; i++) { if (arr[i] === val) return true; } return false; }; // inArray method does not support 'all' and 'any' interfaces is.inArray.api = ['not']; // is a given array sorted? is.sorted = function(arr) { if(is.not.array(arr)) { return false; } for(var i = 0; i < arr.length; i++) { if(arr[i] > arr[i + 1]) return false; } return true; }; // API // Set 'not', 'all' and 'any' interfaces to methods based on their api property /* -------------------------------------------------------------------------- */ function setInterfaces() { var options = is; for(var option in options) { if(hasOwnProperty.call(options, option) && is.function(options[option])) { var interfaces = options[option].api || ['not', 'all', 'any']; for (var i = 0; i < interfaces.length; i++) { if(interfaces[i] === 'not') { is.not[option] = not(is[option]); } if(interfaces[i] === 'all') { is.all[option] = all(is[option]); } if(interfaces[i] === 'any') { is.any[option] = any(is[option]); } } } } } setInterfaces(); // Configuration methods // Intentionally added after setInterfaces function /* -------------------------------------------------------------------------- */ // set optional regexps to methods if you think they suck is.setRegexp = function(regexp, regexpName) { for(var r in regexps) { if(hasOwnProperty.call(regexps, r) && (regexpName === r)) { regexps[r] = regexp; } } }; // change namespace of library to prevent name collisions // var preferredName = is.setNamespace(); // preferredName.odd(3); // => true is.setNamespace = function() { root.is = previousIs; return this; }; return is; }));