/* !

* type-detect
* Copyright(c) 2013 jake luer <jake@alogicalparadox.com>
* MIT Licensed
*/

const promiseExists = typeof Promise === 'function';

/* eslint-disable no-undef */ const globalObject = typeof self === 'object' ? self : global; // eslint-disable-line id-blacklist

const symbolExists = typeof Symbol !== 'undefined'; const mapExists = typeof Map !== 'undefined'; const setExists = typeof Set !== 'undefined'; const weakMapExists = typeof WeakMap !== 'undefined'; const weakSetExists = typeof WeakSet !== 'undefined'; const dataViewExists = typeof DataView !== 'undefined'; const symbolIteratorExists = symbolExists && typeof Symbol.iterator !== 'undefined'; const symbolToStringTagExists = symbolExists && typeof Symbol.toStringTag !== 'undefined'; const setEntriesExists = setExists && typeof Set.prototype.entries === 'function'; const mapEntriesExists = mapExists && typeof Map.prototype.entries === 'function'; const setIteratorPrototype = setEntriesExists && Object.getPrototypeOf(new Set().entries()); const mapIteratorPrototype = mapEntriesExists && Object.getPrototypeOf(new Map().entries()); const arrayIteratorExists = symbolIteratorExists && typeof Array.prototype === 'function'; const arrayIteratorPrototype = arrayIteratorExists && Object.getPrototypeOf([]()); const stringIteratorExists = symbolIteratorExists && typeof String.prototype === 'function'; const stringIteratorPrototype = stringIteratorExists && Object.getPrototypeOf(”()); const toStringLeftSliceLength = 8; const toStringRightSliceLength = -1; /**

* ### typeOf (obj)
*
* Uses `Object.prototype.toString` to determine the type of an object,
* normalising behaviour across engine versions & well optimised.
*
* @param {Mixed} object
* @return {String} object type
* @api public
*/

export default function typeDetect(obj) {

/* ! Speed optimisation
 * Pre:
 *   string literal     x 3,039,035 ops/sec ±1.62% (78 runs sampled)
 *   boolean literal    x 1,424,138 ops/sec ±4.54% (75 runs sampled)
 *   number literal     x 1,653,153 ops/sec ±1.91% (82 runs sampled)
 *   undefined          x 9,978,660 ops/sec ±1.92% (75 runs sampled)
 *   function           x 2,556,769 ops/sec ±1.73% (77 runs sampled)
 * Post:
 *   string literal     x 38,564,796 ops/sec ±1.15% (79 runs sampled)
 *   boolean literal    x 31,148,940 ops/sec ±1.10% (79 runs sampled)
 *   number literal     x 32,679,330 ops/sec ±1.90% (78 runs sampled)
 *   undefined          x 32,363,368 ops/sec ±1.07% (82 runs sampled)
 *   function           x 31,296,870 ops/sec ±0.96% (83 runs sampled)
 */
const typeofObj = typeof obj;
if (typeofObj !== 'object') {
  return typeofObj;
}

/* ! Speed optimisation
 * Pre:
 *   null               x 28,645,765 ops/sec ±1.17% (82 runs sampled)
 * Post:
 *   null               x 36,428,962 ops/sec ±1.37% (84 runs sampled)
 */
if (obj === null) {
  return 'null';
}

/* ! Spec Conformance
 * Test: `Object.prototype.toString.call(window)``
 *  - Node === "[object global]"
 *  - Chrome === "[object global]"
 *  - Firefox === "[object Window]"
 *  - PhantomJS === "[object Window]"
 *  - Safari === "[object Window]"
 *  - IE 11 === "[object Window]"
 *  - IE Edge === "[object Window]"
 * Test: `Object.prototype.toString.call(this)``
 *  - Chrome Worker === "[object global]"
 *  - Firefox Worker === "[object DedicatedWorkerGlobalScope]"
 *  - Safari Worker === "[object DedicatedWorkerGlobalScope]"
 *  - IE 11 Worker === "[object WorkerGlobalScope]"
 *  - IE Edge Worker === "[object WorkerGlobalScope]"
 */
if (obj === globalObject) {
  return 'global';
}

/* ! Speed optimisation
 * Pre:
 *   array literal      x 2,888,352 ops/sec ±0.67% (82 runs sampled)
 * Post:
 *   array literal      x 22,479,650 ops/sec ±0.96% (81 runs sampled)
 */
if (
  Array.isArray(obj) &&
  (symbolToStringTagExists === false || !(Symbol.toStringTag in obj))
) {
  return 'Array';
}

// Not caching existence of `window` and related properties due to potential
// for `window` to be unset before tests in quasi-browser environments.
if (typeof window === 'object' && window !== null) {
  /* ! Spec Conformance
   * (https://html.spec.whatwg.org/multipage/browsers.html#location)
   * WhatWG HTML$7.7.3 - The `Location` interface
   * Test: `Object.prototype.toString.call(window.location)``
   *  - IE <=11 === "[object Object]"
   *  - IE Edge <=13 === "[object Object]"
   */
  if (typeof window.location === 'object' && obj === window.location) {
    return 'Location';
  }

  /* ! Spec Conformance
   * (https://html.spec.whatwg.org/#document)
   * WhatWG HTML$3.1.1 - The `Document` object
   * Note: Most browsers currently adher to the W3C DOM Level 2 spec
   *       (https://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-26809268)
   *       which suggests that browsers should use HTMLTableCellElement for
   *       both TD and TH elements. WhatWG separates these.
   *       WhatWG HTML states:
   *         > For historical reasons, Window objects must also have a
   *         > writable, configurable, non-enumerable property named
   *         > HTMLDocument whose value is the Document interface object.
   * Test: `Object.prototype.toString.call(document)``
   *  - Chrome === "[object HTMLDocument]"
   *  - Firefox === "[object HTMLDocument]"
   *  - Safari === "[object HTMLDocument]"
   *  - IE <=10 === "[object Document]"
   *  - IE 11 === "[object HTMLDocument]"
   *  - IE Edge <=13 === "[object HTMLDocument]"
   */
  if (typeof window.document === 'object' && obj === window.document) {
    return 'Document';
  }

  if (typeof window.navigator === 'object') {
    /* ! Spec Conformance
     * (https://html.spec.whatwg.org/multipage/webappapis.html#mimetypearray)
     * WhatWG HTML$8.6.1.5 - Plugins - Interface MimeTypeArray
     * Test: `Object.prototype.toString.call(navigator.mimeTypes)``
     *  - IE <=10 === "[object MSMimeTypesCollection]"
     */
    if (typeof window.navigator.mimeTypes === 'object' &&
        obj === window.navigator.mimeTypes) {
      return 'MimeTypeArray';
    }

    /* ! Spec Conformance
     * (https://html.spec.whatwg.org/multipage/webappapis.html#pluginarray)
     * WhatWG HTML$8.6.1.5 - Plugins - Interface PluginArray
     * Test: `Object.prototype.toString.call(navigator.plugins)``
     *  - IE <=10 === "[object MSPluginsCollection]"
     */
    if (typeof window.navigator.plugins === 'object' &&
        obj === window.navigator.plugins) {
      return 'PluginArray';
    }
  }

  if ((typeof window.HTMLElement === 'function' ||
      typeof window.HTMLElement === 'object') &&
      obj instanceof window.HTMLElement) {
    /* ! Spec Conformance
    * (https://html.spec.whatwg.org/multipage/webappapis.html#pluginarray)
    * WhatWG HTML$4.4.4 - The `blockquote` element - Interface `HTMLQuoteElement`
    * Test: `Object.prototype.toString.call(document.createElement('blockquote'))``
    *  - IE <=10 === "[object HTMLBlockElement]"
    */
    if (obj.tagName === 'BLOCKQUOTE') {
      return 'HTMLQuoteElement';
    }

    /* ! Spec Conformance
     * (https://html.spec.whatwg.org/#htmltabledatacellelement)
     * WhatWG HTML$4.9.9 - The `td` element - Interface `HTMLTableDataCellElement`
     * Note: Most browsers currently adher to the W3C DOM Level 2 spec
     *       (https://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-82915075)
     *       which suggests that browsers should use HTMLTableCellElement for
     *       both TD and TH elements. WhatWG separates these.
     * Test: Object.prototype.toString.call(document.createElement('td'))
     *  - Chrome === "[object HTMLTableCellElement]"
     *  - Firefox === "[object HTMLTableCellElement]"
     *  - Safari === "[object HTMLTableCellElement]"
     */
    if (obj.tagName === 'TD') {
      return 'HTMLTableDataCellElement';
    }

    /* ! Spec Conformance
     * (https://html.spec.whatwg.org/#htmltableheadercellelement)
     * WhatWG HTML$4.9.9 - The `td` element - Interface `HTMLTableHeaderCellElement`
     * Note: Most browsers currently adher to the W3C DOM Level 2 spec
     *       (https://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-82915075)
     *       which suggests that browsers should use HTMLTableCellElement for
     *       both TD and TH elements. WhatWG separates these.
     * Test: Object.prototype.toString.call(document.createElement('th'))
     *  - Chrome === "[object HTMLTableCellElement]"
     *  - Firefox === "[object HTMLTableCellElement]"
     *  - Safari === "[object HTMLTableCellElement]"
     */
    if (obj.tagName === 'TH') {
      return 'HTMLTableHeaderCellElement';
    }
  }
}

/* ! Speed optimisation
* Pre:
*   Float64Array       x 625,644 ops/sec ±1.58% (80 runs sampled)
*   Float32Array       x 1,279,852 ops/sec ±2.91% (77 runs sampled)
*   Uint32Array        x 1,178,185 ops/sec ±1.95% (83 runs sampled)
*   Uint16Array        x 1,008,380 ops/sec ±2.25% (80 runs sampled)
*   Uint8Array         x 1,128,040 ops/sec ±2.11% (81 runs sampled)
*   Int32Array         x 1,170,119 ops/sec ±2.88% (80 runs sampled)
*   Int16Array         x 1,176,348 ops/sec ±5.79% (86 runs sampled)
*   Int8Array          x 1,058,707 ops/sec ±4.94% (77 runs sampled)
*   Uint8ClampedArray  x 1,110,633 ops/sec ±4.20% (80 runs sampled)
* Post:
*   Float64Array       x 7,105,671 ops/sec ±13.47% (64 runs sampled)
*   Float32Array       x 5,887,912 ops/sec ±1.46% (82 runs sampled)
*   Uint32Array        x 6,491,661 ops/sec ±1.76% (79 runs sampled)
*   Uint16Array        x 6,559,795 ops/sec ±1.67% (82 runs sampled)
*   Uint8Array         x 6,463,966 ops/sec ±1.43% (85 runs sampled)
*   Int32Array         x 5,641,841 ops/sec ±3.49% (81 runs sampled)
*   Int16Array         x 6,583,511 ops/sec ±1.98% (80 runs sampled)
*   Int8Array          x 6,606,078 ops/sec ±1.74% (81 runs sampled)
*   Uint8ClampedArray  x 6,602,224 ops/sec ±1.77% (83 runs sampled)
*/
const stringTag = (symbolToStringTagExists && obj[Symbol.toStringTag]);
if (typeof stringTag === 'string') {
  return stringTag;
}

const objPrototype = Object.getPrototypeOf(obj);
/* ! Speed optimisation
* Pre:
*   regex literal      x 1,772,385 ops/sec ±1.85% (77 runs sampled)
*   regex constructor  x 2,143,634 ops/sec ±2.46% (78 runs sampled)
* Post:
*   regex literal      x 3,928,009 ops/sec ±0.65% (78 runs sampled)
*   regex constructor  x 3,931,108 ops/sec ±0.58% (84 runs sampled)
*/
if (objPrototype === RegExp.prototype) {
  return 'RegExp';
}

/* ! Speed optimisation
* Pre:
*   date               x 2,130,074 ops/sec ±4.42% (68 runs sampled)
* Post:
*   date               x 3,953,779 ops/sec ±1.35% (77 runs sampled)
*/
if (objPrototype === Date.prototype) {
  return 'Date';
}

/* ! Spec Conformance
 * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-promise.prototype-@@tostringtag)
 * ES6$25.4.5.4 - Promise.prototype[@@toStringTag] should be "Promise":
 * Test: `Object.prototype.toString.call(Promise.resolve())``
 *  - Chrome <=47 === "[object Object]"
 *  - Edge <=20 === "[object Object]"
 *  - Firefox 29-Latest === "[object Promise]"
 *  - Safari 7.1-Latest === "[object Promise]"
 */
if (promiseExists && objPrototype === Promise.prototype) {
  return 'Promise';
}

/* ! Speed optimisation
* Pre:
*   set                x 2,222,186 ops/sec ±1.31% (82 runs sampled)
* Post:
*   set                x 4,545,879 ops/sec ±1.13% (83 runs sampled)
*/
if (setExists && objPrototype === Set.prototype) {
  return 'Set';
}

/* ! Speed optimisation
* Pre:
*   map                x 2,396,842 ops/sec ±1.59% (81 runs sampled)
* Post:
*   map                x 4,183,945 ops/sec ±6.59% (82 runs sampled)
*/
if (mapExists && objPrototype === Map.prototype) {
  return 'Map';
}

/* ! Speed optimisation
* Pre:
*   weakset            x 1,323,220 ops/sec ±2.17% (76 runs sampled)
* Post:
*   weakset            x 4,237,510 ops/sec ±2.01% (77 runs sampled)
*/
if (weakSetExists && objPrototype === WeakSet.prototype) {
  return 'WeakSet';
}

/* ! Speed optimisation
* Pre:
*   weakmap            x 1,500,260 ops/sec ±2.02% (78 runs sampled)
* Post:
*   weakmap            x 3,881,384 ops/sec ±1.45% (82 runs sampled)
*/
if (weakMapExists && objPrototype === WeakMap.prototype) {
  return 'WeakMap';
}

/* ! Spec Conformance
 * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-dataview.prototype-@@tostringtag)
 * ES6$24.2.4.21 - DataView.prototype[@@toStringTag] should be "DataView":
 * Test: `Object.prototype.toString.call(new DataView(new ArrayBuffer(1)))``
 *  - Edge <=13 === "[object Object]"
 */
if (dataViewExists && objPrototype === DataView.prototype) {
  return 'DataView';
}

/* ! Spec Conformance
 * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%mapiteratorprototype%-@@tostringtag)
 * ES6$23.1.5.2.2 - %MapIteratorPrototype%[@@toStringTag] should be "Map Iterator":
 * Test: `Object.prototype.toString.call(new Map().entries())``
 *  - Edge <=13 === "[object Object]"
 */
if (mapExists && objPrototype === mapIteratorPrototype) {
  return 'Map Iterator';
}

/* ! Spec Conformance
 * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%setiteratorprototype%-@@tostringtag)
 * ES6$23.2.5.2.2 - %SetIteratorPrototype%[@@toStringTag] should be "Set Iterator":
 * Test: `Object.prototype.toString.call(new Set().entries())``
 *  - Edge <=13 === "[object Object]"
 */
if (setExists && objPrototype === setIteratorPrototype) {
  return 'Set Iterator';
}

/* ! Spec Conformance
 * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%arrayiteratorprototype%-@@tostringtag)
 * ES6$22.1.5.2.2 - %ArrayIteratorPrototype%[@@toStringTag] should be "Array Iterator":
 * Test: `Object.prototype.toString.call([][Symbol.iterator]())``
 *  - Edge <=13 === "[object Object]"
 */
if (arrayIteratorExists && objPrototype === arrayIteratorPrototype) {
  return 'Array Iterator';
}

/* ! Spec Conformance
 * (http://www.ecma-international.org/ecma-262/6.0/index.html#sec-%stringiteratorprototype%-@@tostringtag)
 * ES6$21.1.5.2.2 - %StringIteratorPrototype%[@@toStringTag] should be "String Iterator":
 * Test: `Object.prototype.toString.call(''[Symbol.iterator]())``
 *  - Edge <=13 === "[object Object]"
 */
if (stringIteratorExists && objPrototype === stringIteratorPrototype) {
  return 'String Iterator';
}

/* ! Speed optimisation
* Pre:
*   object from null   x 2,424,320 ops/sec ±1.67% (76 runs sampled)
* Post:
*   object from null   x 5,838,000 ops/sec ±0.99% (84 runs sampled)
*/
if (objPrototype === null) {
  return 'Object';
}

return Object
  .prototype
  .toString
  .call(obj)
  .slice(toStringLeftSliceLength, toStringRightSliceLength);

}