1- 'use strict' ;
2-
31/* !
42 * type-detect
53 * Copyright(c) 2013 jake luer <[email protected] > 64 * MIT Licensed
75 */
8- var promiseExists = typeof Promise === 'function' ;
6+ const promiseExists = typeof Promise === 'function' ;
97
108/* eslint-disable no-undef */
11- var globalObject = typeof self === 'object' ? self : global ; // eslint-disable-line id-blacklist
9+ const globalObject = typeof self === 'object' ? self : global ; // eslint-disable-line id-blacklist
1210
1311/*
1412 * All of these attributes must be available on the global object for the current environment
1513 * to be considered a DOM environment (browser)
1614 */
17- var isDom = typeof window === 'object' &&
15+ const isDom = typeof window === 'object' &&
1816 'document' in window &&
1917 'navigator' in window &&
2018 'HTMLElement' in window ;
2119/* eslint-enable */
2220
23- var symbolExists = typeof Symbol !== 'undefined' ;
24- var mapExists = typeof Map !== 'undefined' ;
25- var setExists = typeof Set !== 'undefined' ;
26- var weakMapExists = typeof WeakMap !== 'undefined' ;
27- var weakSetExists = typeof WeakSet !== 'undefined' ;
28- var dataViewExists = typeof DataView !== 'undefined' ;
29- var symbolIteratorExists = symbolExists && typeof Symbol . iterator !== 'undefined' ;
30- var symbolToStringTagExists = symbolExists && typeof Symbol . toStringTag !== 'undefined' ;
31- var setEntriesExists = setExists && typeof Set . prototype . entries === 'function' ;
32- var mapEntriesExists = mapExists && typeof Map . prototype . entries === 'function' ;
33- var setIteratorPrototype = setEntriesExists && Object . getPrototypeOf ( new Set ( ) . entries ( ) ) ;
34- var mapIteratorPrototype = mapEntriesExists && Object . getPrototypeOf ( new Map ( ) . entries ( ) ) ;
35- var arrayIteratorExists = symbolIteratorExists && typeof Array . prototype [ Symbol . iterator ] === 'function' ;
36- var arrayIteratorPrototype = arrayIteratorExists && Object . getPrototypeOf ( [ ] [ Symbol . iterator ] ( ) ) ;
37- var stringIteratorExists = symbolIteratorExists && typeof String . prototype [ Symbol . iterator ] === 'function' ;
38- var stringIteratorPrototype = stringIteratorExists && Object . getPrototypeOf ( '' [ Symbol . iterator ] ( ) ) ;
39- var toStringLeftSliceLength = 8 ;
40- var toStringRightSliceLength = - 1 ;
21+ const symbolExists = typeof Symbol !== 'undefined' ;
22+ const mapExists = typeof Map !== 'undefined' ;
23+ const setExists = typeof Set !== 'undefined' ;
24+ const weakMapExists = typeof WeakMap !== 'undefined' ;
25+ const weakSetExists = typeof WeakSet !== 'undefined' ;
26+ const dataViewExists = typeof DataView !== 'undefined' ;
27+ const symbolIteratorExists = symbolExists && typeof Symbol . iterator !== 'undefined' ;
28+ const symbolToStringTagExists = symbolExists && typeof Symbol . toStringTag !== 'undefined' ;
29+ const setEntriesExists = setExists && typeof Set . prototype . entries === 'function' ;
30+ const mapEntriesExists = mapExists && typeof Map . prototype . entries === 'function' ;
31+ const setIteratorPrototype = setEntriesExists && Object . getPrototypeOf ( new Set ( ) . entries ( ) ) ;
32+ const mapIteratorPrototype = mapEntriesExists && Object . getPrototypeOf ( new Map ( ) . entries ( ) ) ;
33+ const arrayIteratorExists = symbolIteratorExists && typeof Array . prototype [ Symbol . iterator ] === 'function' ;
34+ const arrayIteratorPrototype = arrayIteratorExists && Object . getPrototypeOf ( [ ] [ Symbol . iterator ] ( ) ) ;
35+ const stringIteratorExists = symbolIteratorExists && typeof String . prototype [ Symbol . iterator ] === 'function' ;
36+ const stringIteratorPrototype = stringIteratorExists && Object . getPrototypeOf ( '' [ Symbol . iterator ] ( ) ) ;
37+ const toStringLeftSliceLength = 8 ;
38+ const toStringRightSliceLength = - 1 ;
4139/**
4240 * ### typeOf (obj)
4341 *
@@ -48,7 +46,7 @@ var toStringRightSliceLength = -1;
4846 * @return {String } object type
4947 * @api public
5048 */
51- module . exports = function typeDetect ( obj ) {
49+ export default function typeDetect ( obj ) {
5250 /* ! Speed optimisation
5351 * Pre:
5452 * string literal x 3,039,035 ops/sec ±1.62% (78 runs sampled)
@@ -63,7 +61,7 @@ module.exports = function typeDetect(obj) {
6361 * undefined x 32,363,368 ops/sec ±1.07% (82 runs sampled)
6462 * function x 31,296,870 ops/sec ±0.96% (83 runs sampled)
6563 */
66- var typeofObj = typeof obj ;
64+ const typeofObj = typeof obj ;
6765 if ( typeofObj !== 'object' ) {
6866 return typeofObj ;
6967 }
@@ -231,12 +229,12 @@ module.exports = function typeDetect(obj) {
231229 * Int8Array x 6,606,078 ops/sec ±1.74% (81 runs sampled)
232230 * Uint8ClampedArray x 6,602,224 ops/sec ±1.77% (83 runs sampled)
233231 */
234- var stringTag = ( symbolToStringTagExists && obj [ Symbol . toStringTag ] ) ;
232+ const stringTag = ( symbolToStringTagExists && obj [ Symbol . toStringTag ] ) ;
235233 if ( typeof stringTag === 'string' ) {
236234 return stringTag ;
237235 }
238236
239- var objPrototype = Object . getPrototypeOf ( obj ) ;
237+ const objPrototype = Object . getPrototypeOf ( obj ) ;
240238 /* ! Speed optimisation
241239 * Pre:
242240 * regex literal x 1,772,385 ops/sec ±1.85% (77 runs sampled)
@@ -377,6 +375,4 @@ module.exports = function typeDetect(obj) {
377375 . toString
378376 . call ( obj )
379377 . slice ( toStringLeftSliceLength , toStringRightSliceLength ) ;
380- } ;
381-
382- module . exports . typeDetect = module . exports ;
378+ }
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