mirror of
https://github.com/documize/community.git
synced 2025-07-21 22:29:41 +02:00
825 lines
32 KiB
JavaScript
825 lines
32 KiB
JavaScript
// is.js 0.7.4
|
|
// 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 || global;
|
|
var previousIs = root.is;
|
|
|
|
// define 'is' object and current version
|
|
is = {};
|
|
is.VERSION = '0.7.4';
|
|
|
|
// 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;
|
|
};
|
|
|
|
// 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?|ftp):\/\/)?(?:(?!(?:10|127)(?:\.\d{1,3}){3})(?!(?:169\.254|192\.168)(?:\.\d{1,3}){2})(?!172\.(?:1[6-9]|2\d|3[0-1])(?:\.\d{1,3}){2})(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,})))(?::\d{2,5})?(?:\/\S*)?$/i,
|
|
email: /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))$/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 = 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) || /BB10/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;
|
|
}));
|