mirror of
https://github.com/titanscouting/tra-analysis.git
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819 lines
17 KiB
JavaScript
819 lines
17 KiB
JavaScript
/* globals window, HTMLElement */
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'use strict';
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/**!
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* is
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* the definitive JavaScript type testing library
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*
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* @copyright 2013-2014 Enrico Marino / Jordan Harband
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* @license MIT
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*/
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var objProto = Object.prototype;
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var owns = objProto.hasOwnProperty;
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var toStr = objProto.toString;
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var symbolValueOf;
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if (typeof Symbol === 'function') {
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symbolValueOf = Symbol.prototype.valueOf;
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}
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var bigIntValueOf;
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if (typeof BigInt === 'function') {
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bigIntValueOf = BigInt.prototype.valueOf;
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}
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var isActualNaN = function (value) {
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return value !== value;
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};
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var NON_HOST_TYPES = {
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'boolean': 1,
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number: 1,
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string: 1,
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undefined: 1
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};
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var base64Regex = /^([A-Za-z0-9+/]{4})*([A-Za-z0-9+/]{4}|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{2}==)$/;
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var hexRegex = /^[A-Fa-f0-9]+$/;
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/**
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* Expose `is`
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*/
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var is = {};
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/**
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* Test general.
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*/
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/**
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* is.type
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* Test if `value` is a type of `type`.
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*
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* @param {*} value value to test
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* @param {String} type type
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* @return {Boolean} true if `value` is a type of `type`, false otherwise
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* @api public
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*/
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is.a = is.type = function (value, type) {
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return typeof value === type;
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};
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/**
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* is.defined
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* Test if `value` is defined.
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*
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* @param {*} value value to test
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* @return {Boolean} true if 'value' is defined, false otherwise
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* @api public
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*/
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is.defined = function (value) {
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return typeof value !== 'undefined';
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};
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/**
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* is.empty
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* Test if `value` is empty.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is empty, false otherwise
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* @api public
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*/
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is.empty = function (value) {
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var type = toStr.call(value);
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var key;
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if (type === '[object Array]' || type === '[object Arguments]' || type === '[object String]') {
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return value.length === 0;
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}
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if (type === '[object Object]') {
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for (key in value) {
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if (owns.call(value, key)) {
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return false;
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}
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}
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return true;
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}
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return !value;
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};
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/**
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* is.equal
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* Test if `value` is equal to `other`.
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*
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* @param {*} value value to test
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* @param {*} other value to compare with
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* @return {Boolean} true if `value` is equal to `other`, false otherwise
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*/
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is.equal = function equal(value, other) {
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if (value === other) {
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return true;
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}
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var type = toStr.call(value);
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var key;
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if (type !== toStr.call(other)) {
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return false;
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}
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if (type === '[object Object]') {
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for (key in value) {
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if (!is.equal(value[key], other[key]) || !(key in other)) {
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return false;
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}
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}
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for (key in other) {
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if (!is.equal(value[key], other[key]) || !(key in value)) {
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return false;
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}
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}
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return true;
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}
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if (type === '[object Array]') {
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key = value.length;
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if (key !== other.length) {
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return false;
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}
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while (key--) {
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if (!is.equal(value[key], other[key])) {
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return false;
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}
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}
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return true;
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}
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if (type === '[object Function]') {
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return value.prototype === other.prototype;
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}
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if (type === '[object Date]') {
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return value.getTime() === other.getTime();
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}
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return false;
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};
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/**
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* is.hosted
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* Test if `value` is hosted by `host`.
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*
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* @param {*} value to test
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* @param {*} host host to test with
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* @return {Boolean} true if `value` is hosted by `host`, false otherwise
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* @api public
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*/
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is.hosted = function (value, host) {
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var type = typeof host[value];
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return type === 'object' ? !!host[value] : !NON_HOST_TYPES[type];
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};
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/**
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* is.instance
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* Test if `value` is an instance of `constructor`.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an instance of `constructor`
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* @api public
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*/
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is.instance = is['instanceof'] = function (value, constructor) {
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return value instanceof constructor;
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};
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/**
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* is.nil / is.null
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* Test if `value` is null.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is null, false otherwise
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* @api public
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*/
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is.nil = is['null'] = function (value) {
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return value === null;
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};
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/**
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* is.undef / is.undefined
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* Test if `value` is undefined.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is undefined, false otherwise
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* @api public
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*/
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is.undef = is.undefined = function (value) {
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return typeof value === 'undefined';
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};
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/**
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* Test arguments.
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*/
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/**
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* is.args
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* Test if `value` is an arguments object.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an arguments object, false otherwise
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* @api public
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*/
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is.args = is.arguments = function (value) {
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var isStandardArguments = toStr.call(value) === '[object Arguments]';
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var isOldArguments = !is.array(value) && is.arraylike(value) && is.object(value) && is.fn(value.callee);
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return isStandardArguments || isOldArguments;
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};
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/**
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* Test array.
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*/
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/**
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* is.array
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* Test if 'value' is an array.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an array, false otherwise
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* @api public
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*/
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is.array = Array.isArray || function (value) {
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return toStr.call(value) === '[object Array]';
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};
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/**
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* is.arguments.empty
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* Test if `value` is an empty arguments object.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an empty arguments object, false otherwise
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* @api public
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*/
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is.args.empty = function (value) {
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return is.args(value) && value.length === 0;
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};
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/**
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* is.array.empty
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* Test if `value` is an empty array.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an empty array, false otherwise
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* @api public
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*/
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is.array.empty = function (value) {
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return is.array(value) && value.length === 0;
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};
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/**
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* is.arraylike
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* Test if `value` is an arraylike object.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an arguments object, false otherwise
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* @api public
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*/
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is.arraylike = function (value) {
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return !!value && !is.bool(value)
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&& owns.call(value, 'length')
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&& isFinite(value.length)
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&& is.number(value.length)
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&& value.length >= 0;
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};
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/**
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* Test boolean.
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*/
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/**
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* is.bool
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* Test if `value` is a boolean.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is a boolean, false otherwise
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* @api public
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*/
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is.bool = is['boolean'] = function (value) {
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return toStr.call(value) === '[object Boolean]';
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};
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/**
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* is.false
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* Test if `value` is false.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is false, false otherwise
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* @api public
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*/
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is['false'] = function (value) {
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return is.bool(value) && Boolean(Number(value)) === false;
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};
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/**
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* is.true
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* Test if `value` is true.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is true, false otherwise
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* @api public
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*/
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is['true'] = function (value) {
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return is.bool(value) && Boolean(Number(value)) === true;
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};
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/**
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* Test date.
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*/
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/**
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* is.date
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* Test if `value` is a date.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is a date, false otherwise
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* @api public
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*/
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is.date = function (value) {
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return toStr.call(value) === '[object Date]';
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};
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/**
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* is.date.valid
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* Test if `value` is a valid date.
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*
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* @param {*} value value to test
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* @returns {Boolean} true if `value` is a valid date, false otherwise
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*/
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is.date.valid = function (value) {
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return is.date(value) && !isNaN(Number(value));
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};
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/**
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* Test element.
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*/
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/**
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* is.element
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* Test if `value` is an html element.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an HTML Element, false otherwise
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* @api public
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*/
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is.element = function (value) {
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return value !== undefined
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&& typeof HTMLElement !== 'undefined'
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&& value instanceof HTMLElement
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&& value.nodeType === 1;
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};
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/**
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* Test error.
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*/
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/**
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* is.error
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* Test if `value` is an error object.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is an error object, false otherwise
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* @api public
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*/
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is.error = function (value) {
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return toStr.call(value) === '[object Error]';
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};
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/**
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* Test function.
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*/
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/**
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* is.fn / is.function (deprecated)
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* Test if `value` is a function.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is a function, false otherwise
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* @api public
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*/
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is.fn = is['function'] = function (value) {
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var isAlert = typeof window !== 'undefined' && value === window.alert;
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if (isAlert) {
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return true;
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}
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var str = toStr.call(value);
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return str === '[object Function]' || str === '[object GeneratorFunction]' || str === '[object AsyncFunction]';
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};
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/**
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* Test number.
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*/
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/**
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* is.number
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* Test if `value` is a number.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is a number, false otherwise
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* @api public
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*/
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is.number = function (value) {
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return toStr.call(value) === '[object Number]';
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};
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/**
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* is.infinite
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* Test if `value` is positive or negative infinity.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is positive or negative Infinity, false otherwise
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* @api public
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*/
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is.infinite = function (value) {
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return value === Infinity || value === -Infinity;
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};
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/**
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* is.decimal
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* Test if `value` is a decimal number.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is a decimal number, false otherwise
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* @api public
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*/
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is.decimal = function (value) {
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return is.number(value) && !isActualNaN(value) && !is.infinite(value) && value % 1 !== 0;
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};
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/**
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* is.divisibleBy
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* Test if `value` is divisible by `n`.
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*
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* @param {Number} value value to test
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* @param {Number} n dividend
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* @return {Boolean} true if `value` is divisible by `n`, false otherwise
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* @api public
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*/
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is.divisibleBy = function (value, n) {
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var isDividendInfinite = is.infinite(value);
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var isDivisorInfinite = is.infinite(n);
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var isNonZeroNumber = is.number(value) && !isActualNaN(value) && is.number(n) && !isActualNaN(n) && n !== 0;
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return isDividendInfinite || isDivisorInfinite || (isNonZeroNumber && value % n === 0);
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};
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/**
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* is.integer
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* Test if `value` is an integer.
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*
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* @param value to test
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* @return {Boolean} true if `value` is an integer, false otherwise
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* @api public
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*/
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is.integer = is['int'] = function (value) {
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return is.number(value) && !isActualNaN(value) && value % 1 === 0;
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};
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/**
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* is.maximum
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* Test if `value` is greater than 'others' values.
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*
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* @param {Number} value value to test
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* @param {Array} others values to compare with
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* @return {Boolean} true if `value` is greater than `others` values
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* @api public
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*/
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is.maximum = function (value, others) {
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if (isActualNaN(value)) {
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throw new TypeError('NaN is not a valid value');
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} else if (!is.arraylike(others)) {
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throw new TypeError('second argument must be array-like');
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}
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var len = others.length;
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while (--len >= 0) {
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if (value < others[len]) {
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return false;
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}
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}
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return true;
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};
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/**
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* is.minimum
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* Test if `value` is less than `others` values.
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*
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* @param {Number} value value to test
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* @param {Array} others values to compare with
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* @return {Boolean} true if `value` is less than `others` values
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* @api public
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*/
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is.minimum = function (value, others) {
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if (isActualNaN(value)) {
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throw new TypeError('NaN is not a valid value');
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} else if (!is.arraylike(others)) {
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throw new TypeError('second argument must be array-like');
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}
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var len = others.length;
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while (--len >= 0) {
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if (value > others[len]) {
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return false;
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}
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}
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return true;
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};
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/**
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* is.nan
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* Test if `value` is not a number.
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*
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* @param {*} value value to test
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* @return {Boolean} true if `value` is not a number, false otherwise
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* @api public
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*/
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is.nan = function (value) {
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return !is.number(value) || value !== value;
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};
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/**
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* is.even
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* Test if `value` is an even number.
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*
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* @param {Number} value value to test
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* @return {Boolean} true if `value` is an even number, false otherwise
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* @api public
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*/
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is.even = function (value) {
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return is.infinite(value) || (is.number(value) && value === value && value % 2 === 0);
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};
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/**
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* is.odd
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* Test if `value` is an odd number.
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*
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* @param {Number} value value to test
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* @return {Boolean} true if `value` is an odd number, false otherwise
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* @api public
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*/
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is.odd = function (value) {
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return is.infinite(value) || (is.number(value) && value === value && value % 2 !== 0);
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};
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/**
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* is.ge
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* Test if `value` is greater than or equal to `other`.
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*
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* @param {Number} value value to test
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* @param {Number} other value to compare with
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* @return {Boolean}
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* @api public
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*/
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is.ge = function (value, other) {
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if (isActualNaN(value) || isActualNaN(other)) {
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throw new TypeError('NaN is not a valid value');
|
|
}
|
|
return !is.infinite(value) && !is.infinite(other) && value >= other;
|
|
};
|
|
|
|
/**
|
|
* is.gt
|
|
* Test if `value` is greater than `other`.
|
|
*
|
|
* @param {Number} value value to test
|
|
* @param {Number} other value to compare with
|
|
* @return {Boolean}
|
|
* @api public
|
|
*/
|
|
|
|
is.gt = function (value, other) {
|
|
if (isActualNaN(value) || isActualNaN(other)) {
|
|
throw new TypeError('NaN is not a valid value');
|
|
}
|
|
return !is.infinite(value) && !is.infinite(other) && value > other;
|
|
};
|
|
|
|
/**
|
|
* is.le
|
|
* Test if `value` is less than or equal to `other`.
|
|
*
|
|
* @param {Number} value value to test
|
|
* @param {Number} other value to compare with
|
|
* @return {Boolean} if 'value' is less than or equal to 'other'
|
|
* @api public
|
|
*/
|
|
|
|
is.le = function (value, other) {
|
|
if (isActualNaN(value) || isActualNaN(other)) {
|
|
throw new TypeError('NaN is not a valid value');
|
|
}
|
|
return !is.infinite(value) && !is.infinite(other) && value <= other;
|
|
};
|
|
|
|
/**
|
|
* is.lt
|
|
* Test if `value` is less than `other`.
|
|
*
|
|
* @param {Number} value value to test
|
|
* @param {Number} other value to compare with
|
|
* @return {Boolean} if `value` is less than `other`
|
|
* @api public
|
|
*/
|
|
|
|
is.lt = function (value, other) {
|
|
if (isActualNaN(value) || isActualNaN(other)) {
|
|
throw new TypeError('NaN is not a valid value');
|
|
}
|
|
return !is.infinite(value) && !is.infinite(other) && value < other;
|
|
};
|
|
|
|
/**
|
|
* is.within
|
|
* Test if `value` is within `start` and `finish`.
|
|
*
|
|
* @param {Number} value value to test
|
|
* @param {Number} start lower bound
|
|
* @param {Number} finish upper bound
|
|
* @return {Boolean} true if 'value' is is within 'start' and 'finish'
|
|
* @api public
|
|
*/
|
|
is.within = function (value, start, finish) {
|
|
if (isActualNaN(value) || isActualNaN(start) || isActualNaN(finish)) {
|
|
throw new TypeError('NaN is not a valid value');
|
|
} else if (!is.number(value) || !is.number(start) || !is.number(finish)) {
|
|
throw new TypeError('all arguments must be numbers');
|
|
}
|
|
var isAnyInfinite = is.infinite(value) || is.infinite(start) || is.infinite(finish);
|
|
return isAnyInfinite || (value >= start && value <= finish);
|
|
};
|
|
|
|
/**
|
|
* Test object.
|
|
*/
|
|
|
|
/**
|
|
* is.object
|
|
* Test if `value` is an object.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if `value` is an object, false otherwise
|
|
* @api public
|
|
*/
|
|
is.object = function (value) {
|
|
return toStr.call(value) === '[object Object]';
|
|
};
|
|
|
|
/**
|
|
* is.primitive
|
|
* Test if `value` is a primitive.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if `value` is a primitive, false otherwise
|
|
* @api public
|
|
*/
|
|
is.primitive = function isPrimitive(value) {
|
|
if (!value) {
|
|
return true;
|
|
}
|
|
if (typeof value === 'object' || is.object(value) || is.fn(value) || is.array(value)) {
|
|
return false;
|
|
}
|
|
return true;
|
|
};
|
|
|
|
/**
|
|
* is.hash
|
|
* Test if `value` is a hash - a plain object literal.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if `value` is a hash, false otherwise
|
|
* @api public
|
|
*/
|
|
|
|
is.hash = function (value) {
|
|
return is.object(value) && value.constructor === Object && !value.nodeType && !value.setInterval;
|
|
};
|
|
|
|
/**
|
|
* Test regexp.
|
|
*/
|
|
|
|
/**
|
|
* is.regexp
|
|
* Test if `value` is a regular expression.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if `value` is a regexp, false otherwise
|
|
* @api public
|
|
*/
|
|
|
|
is.regexp = function (value) {
|
|
return toStr.call(value) === '[object RegExp]';
|
|
};
|
|
|
|
/**
|
|
* Test string.
|
|
*/
|
|
|
|
/**
|
|
* is.string
|
|
* Test if `value` is a string.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if 'value' is a string, false otherwise
|
|
* @api public
|
|
*/
|
|
|
|
is.string = function (value) {
|
|
return toStr.call(value) === '[object String]';
|
|
};
|
|
|
|
/**
|
|
* Test base64 string.
|
|
*/
|
|
|
|
/**
|
|
* is.base64
|
|
* Test if `value` is a valid base64 encoded string.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if 'value' is a base64 encoded string, false otherwise
|
|
* @api public
|
|
*/
|
|
|
|
is.base64 = function (value) {
|
|
return is.string(value) && (!value.length || base64Regex.test(value));
|
|
};
|
|
|
|
/**
|
|
* Test base64 string.
|
|
*/
|
|
|
|
/**
|
|
* is.hex
|
|
* Test if `value` is a valid hex encoded string.
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if 'value' is a hex encoded string, false otherwise
|
|
* @api public
|
|
*/
|
|
|
|
is.hex = function (value) {
|
|
return is.string(value) && (!value.length || hexRegex.test(value));
|
|
};
|
|
|
|
/**
|
|
* is.symbol
|
|
* Test if `value` is an ES6 Symbol
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if `value` is a Symbol, false otherise
|
|
* @api public
|
|
*/
|
|
|
|
is.symbol = function (value) {
|
|
return typeof Symbol === 'function' && toStr.call(value) === '[object Symbol]' && typeof symbolValueOf.call(value) === 'symbol';
|
|
};
|
|
|
|
/**
|
|
* is.bigint
|
|
* Test if `value` is an ES-proposed BigInt
|
|
*
|
|
* @param {*} value value to test
|
|
* @return {Boolean} true if `value` is a BigInt, false otherise
|
|
* @api public
|
|
*/
|
|
|
|
is.bigint = function (value) {
|
|
// eslint-disable-next-line valid-typeof
|
|
return typeof BigInt === 'function' && toStr.call(value) === '[object BigInt]' && typeof bigIntValueOf.call(value) === 'bigint';
|
|
};
|
|
|
|
module.exports = is;
|