fast-copy - npm Package Compare versions

Comparing version 1.2.2 to 1.2.3

CHANGELOG.md

 # fast-copy CHANGELOG
 
+## 1.2.3
+
+- Support custom prototype applied to plain object via `Object.create()`
+
 ## 1.2.2
@@ -4,0 +8,0 @@

dist/fast-copy.js

@@ -11,20 +11,19 @@ (function (global, factory) {
   var HAS_FLAGS_SUPPORT = typeof /foo/g.flags === 'string';
-
   /**
    * @constant {boolean} HAS_PROPERTY_SYMBOL_SUPPORT
    */
+
   var HAS_PROPERTY_SYMBOL_SUPPORT = typeof global.Object.getOwnPropertySymbols === 'function';
-
   /**
    * @constant {boolean} HAS_WEAKSET_SUPPORT
    */
+
   var HAS_WEAKSET_SUPPORT = typeof global.WeakSet === 'function';
 
   // constants
-
   var create = Object.create,
       getKeys = Object.keys,
-      getSymbols = Object.getOwnPropertySymbols;
+      getSymbols = Object.getOwnPropertySymbols,
+      getPrototypeOf = Object.getPrototypeOf;
   var propertyIsEnumerable = Object.prototype.propertyIsEnumerable;
-
   /**
@@ -50,4 +49,42 @@ * @function getNewCache
   };
+  /**
+   * @function getPrototype
+   *
+   * @description
+   * get the prototype of the object passed, using __proto__ when supported and
+   * falling back to getPrototypeOf
+   *
+   * @param {any} object the object to get the prototype of
+   * @returns {Object} the object's prototype
+   */
 
+  var getPrototype = function () {
+    try {
+
+      throw new Error();
+    } catch (error) {
+      return getPrototypeOf;
+    }
+  }();
   /**
+   * @function getObjectToCopy
+   *
+   * @description
+   * get the object to copy, including appropriate prototype
+   *
+   * @param {Object} object the object to copy
+   * @param {any} realm the realm to base the object prototype on
+   * @param {boolean} isPlainObject is the object a plain object
+   * @returns {Object} an empty version of the object to copy
+   */
+
+  var getObjectToCopy = function getObjectToCopy(object, realm, isPlainObject) {
+    if (isPlainObject) {
+      var prototype = getPrototype(object);
+      return prototype === realm.Object.prototype ? {} : create(prototype);
+    }
+
+    return object.constructor ? new object.constructor() : create(null);
+  };
+  /**
    * @function getRegExpFlags
@@ -61,2 +98,3 @@ *
    */
+
   var getRegExpFlags = function getRegExpFlags(regExp) {
@@ -87,3 +125,2 @@ var flags = '';
   };
-
   /**
@@ -99,6 +136,6 @@ * @function isObjectCopyable
    */
+
   var isObjectCopyable = function isObjectCopyable(object, cache) {
     return typeof object === 'object' && object !== null && !cache.has(object);
   };
-
   /**
@@ -114,6 +151,6 @@ * @function shouldObjectBeCopied
    */
+
   var shouldObjectBeCopied = function shouldObjectBeCopied(object, realm) {
     return typeof object.then !== 'function' && !(object instanceof realm.Error) && !(realm.WeakMap && object instanceof realm.WeakMap) && !(realm.WeakSet && object instanceof realm.WeakSet);
   };
-
   /**
@@ -130,2 +167,3 @@ * @function copyArray
    */
+
   var copyArray = function copyArray(array, copy, realm) {
@@ -140,3 +178,2 @@ var newArray = new array.constructor();
   };
-
   /**
@@ -151,6 +188,6 @@ * @function copyArrayBuffer
    */
+
   var copyArrayBuffer = function copyArrayBuffer(arrayBuffer) {
     return arrayBuffer.slice(0);
   };
-
   /**
@@ -166,10 +203,8 @@ * @function copyBuffer
    */
+
   var copyBuffer = function copyBuffer(buffer, realm) {
     var newBuffer = realm.Buffer.allocUnsafe ? realm.Buffer.allocUnsafe(buffer.length) : new realm.Buffer(buffer.length);
-
     buffer.copy(newBuffer);
-
     return newBuffer;
   };
-
   /**
@@ -184,12 +219,10 @@ * @function copyIterable
    */
+
   var createCopyIterable = function createCopyIterable(assignmentHandler) {
     return function (iterable, copy, realm) {
       var newIterable = new iterable.constructor();
-
       iterable.forEach(assignmentHandler(newIterable, copy, realm));
-
       return newIterable;
     };
   };
-
   var copyMap = createCopyIterable(function (iterable, copy, realm) {
@@ -205,3 +238,2 @@ return function (value, key) {
   });
-
   /**
@@ -219,12 +251,12 @@ * @function copyObject
    */
+
   var copyObject = function copyObject(object, copy, realm, isPlainObject) {
-    var newObject = isPlainObject ? {} : object.constructor ? new object.constructor() : create(null);
+    var newObject = getObjectToCopy(object, realm, isPlainObject);
     var keys = getKeys(object);
 
     if (keys.length) {
-      var key = void 0;
+      var key;
 
       for (var index = 0; index < keys.length; index++) {
         key = keys[index];
-
         newObject[key] = copy(object[key], realm);
@@ -238,3 +270,3 @@ }
       if (symbols.length) {
-        var symbol = void 0;
+        var symbol;
 
@@ -253,3 +285,2 @@ for (var _index = 0; _index < symbols.length; _index++) {
   };
-
   /**
@@ -265,10 +296,8 @@ * @function copyRegExp
    */
+
   var copyRegExp = function copyRegExp(regExp, realm) {
     var newRegExp = new realm.RegExp(regExp.source, HAS_FLAGS_SUPPORT ? regExp.flags : getRegExpFlags(regExp));
-
     newRegExp.lastIndex = regExp.lastIndex;
-
     return newRegExp;
   };
-
   /**
@@ -283,2 +312,3 @@ * @function copyTypedArray
    */
+
   var copyTypedArray = function copyTypedArray(typedArray) {
@@ -289,3 +319,2 @@ return new typedArray.constructor(copyArrayBuffer(typedArray.buffer));
   // utils
-
   /**
@@ -301,5 +330,8 @@ * @function copy
    */
-  function copy(object) {
-    var realm = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : global;
 
+  function copy(object, realm) {
+    if (realm === void 0) {
+      realm = global;
+    }
+
     var cache = getNewCache();
@@ -314,3 +346,2 @@
         cache.add(object);
-
         return copyArray(object, handleCopy, realm);
@@ -321,3 +352,2 @@ }
         cache.add(object);
-
         return copyObject(object, handleCopy, realm, true);
@@ -336,3 +366,2 @@ }
         cache.add(object);
-
         return copyMap(object, handleCopy, realm);
@@ -343,3 +372,2 @@ }
         cache.add(object);
-
         return copySet(object, handleCopy, realm);
@@ -364,3 +392,2 @@ }
         cache.add(object);
-
         return copyObject(object, handleCopy, realm);
@@ -367,0 +394,0 @@ }

dist/fast-copy.min.js

@@ -1,1 +0,1 @@
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.fastCopy={})}(this,function(e){"use strict";var b="string"==typeof/foo/g.flags,l="function"==typeof global.Object.getOwnPropertySymbols,t="function"==typeof global.WeakSet,d=Object.create,p=Object.keys,y=Object.getOwnPropertySymbols,g=Object.prototype.propertyIsEnumerable,h=function(e){return e.slice(0)},n=function(f){return function(e,t,n){var r=new e.constructor;return e.forEach(f(r,t,n)),r}},v=n(function(n,r,f){return function(e,t){return n.set(t,r(e,f))}}),w=n(function(t,n,r){return function(e){return t.add(n(e,r))}}),O=function(e,t,n,r){var f=r?{}:e.constructor?new e.constructor:d(null),o=p(e);if(o.length)for(var u=void 0,a=0;a<o.length;a++)f[u=o[a]]=t(e[u],n);if(l){var i=y(e);if(i.length)for(var c=void 0,s=0;s<i.length;s++)c=i[s],g.call(e,c)&&(f[c]=t(e[c],n))}return f};e.default=function(e){var y=1<arguments.length&&void 0!==arguments[1]?arguments[1]:global,g=t?new WeakSet:d({_values:[],add:function(e){this._values.push(e)},has:function(e){return!!~this._values.indexOf(e)}});return function e(t){if(r=g,"object"!=typeof(n=t)||null===n||r.has(n))return t;var n,r,f,o,u,a,i,c,s,l,d,p;if(Array.isArray(t))return g.add(t),function(e,t,n){for(var r=new e.constructor,f=0;f<e.length;f++)r[f]=t(e[f],n);return r}(t,e,y);if(t.constructor===y.Object)return g.add(t),O(t,e,y,!0);if(t instanceof y.Date)return new Date(t.getTime());if(t instanceof y.RegExp)return f=t,(a=new y.RegExp(f.source,b?f.flags:(u="",(o=f).global&&(u+="g"),o.ignoreCase&&(u+="i"),o.multiline&&(u+="m"),o.unicode&&(u+="u"),o.sticky&&(u+="y"),u))).lastIndex=f.lastIndex,a;if(y.Map&&t instanceof y.Map)return g.add(t),v(t,e,y);if(y.Set&&t instanceof y.Set)return g.add(t),w(t,e,y);if(y.Buffer&&y.Buffer.isBuffer(t))return i=t,s=(c=y).Buffer.allocUnsafe?c.Buffer.allocUnsafe(i.length):new c.Buffer(i.length),i.copy(s),s;if(y.ArrayBuffer){if(y.ArrayBuffer.isView(t))return new(l=t).constructor(h(l.buffer));if(t instanceof y.ArrayBuffer)return h(t)}return p=y,"function"==typeof(d=t).then||d instanceof p.Error||p.WeakMap&&d instanceof p.WeakMap||p.WeakSet&&d instanceof p.WeakSet?t:(g.add(t),O(t,e,y))}(e)},Object.defineProperty(e,"__esModule",{value:!0})});
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(e.fastCopy={})}(this,function(e){"use strict";var b="string"==typeof/foo/g.flags,l="function"==typeof global.Object.getOwnPropertySymbols,t="function"==typeof global.WeakSet,p=Object.create,d=Object.keys,y=Object.getOwnPropertySymbols,n=Object.getPrototypeOf,g=Object.prototype.propertyIsEnumerable,h=function(){try{throw new Error}catch(e){return n}}(),v=function(e){return e.slice(0)},r=function(f){return function(e,t,n){var r=new e.constructor;return e.forEach(f(r,t,n)),r}},w=r(function(n,r,f){return function(e,t){return n.set(t,r(e,f))}}),O=r(function(t,n,r){return function(e){return t.add(n(e,r))}}),j=function(e,t,n,r){var f=function(e,t,n){if(n){var r=h(e);return r===t.Object.prototype?{}:p(r)}return e.constructor?new e.constructor:p(null)}(e,n,r),o=d(e);if(o.length)for(var u,a=0;a<o.length;a++)f[u=o[a]]=t(e[u],n);if(l){var i=y(e);if(i.length)for(var c,s=0;s<i.length;s++)c=i[s],g.call(e,c)&&(f[c]=t(e[c],n))}return f};e.default=function(e,y){void 0===y&&(y=global);var g=t?new WeakSet:p({_values:[],add:function(e){this._values.push(e)},has:function(e){return!!~this._values.indexOf(e)}});return function e(t){if(r=g,"object"!=typeof(n=t)||null===n||r.has(n))return t;var n,r,f,o,u,a,i,c,s,l,p,d;if(Array.isArray(t))return g.add(t),function(e,t,n){for(var r=new e.constructor,f=0;f<e.length;f++)r[f]=t(e[f],n);return r}(t,e,y);if(t.constructor===y.Object)return g.add(t),j(t,e,y,!0);if(t instanceof y.Date)return new Date(t.getTime());if(t instanceof y.RegExp)return f=t,(a=new y.RegExp(f.source,b?f.flags:(u="",(o=f).global&&(u+="g"),o.ignoreCase&&(u+="i"),o.multiline&&(u+="m"),o.unicode&&(u+="u"),o.sticky&&(u+="y"),u))).lastIndex=f.lastIndex,a;if(y.Map&&t instanceof y.Map)return g.add(t),w(t,e,y);if(y.Set&&t instanceof y.Set)return g.add(t),O(t,e,y);if(y.Buffer&&y.Buffer.isBuffer(t))return i=t,s=(c=y).Buffer.allocUnsafe?c.Buffer.allocUnsafe(i.length):new c.Buffer(i.length),i.copy(s),s;if(y.ArrayBuffer){if(y.ArrayBuffer.isView(t))return new(l=t).constructor(v(l.buffer));if(t instanceof y.ArrayBuffer)return v(t)}return d=y,"function"==typeof(p=t).then||p instanceof d.Error||d.WeakMap&&p instanceof d.WeakMap||d.WeakSet&&p instanceof d.WeakSet?t:(g.add(t),j(t,e,y))}(e)},Object.defineProperty(e,"__esModule",{value:!0})});

es/constants.js

@@ -5,11 +5,11 @@ /**
 export var HAS_FLAGS_SUPPORT = typeof /foo/g.flags === 'string';
-
 /**
  * @constant {boolean} HAS_PROPERTY_SYMBOL_SUPPORT
  */
+
 export var HAS_PROPERTY_SYMBOL_SUPPORT = typeof global.Object.getOwnPropertySymbols === 'function';
-
 /**
  * @constant {boolean} HAS_WEAKSET_SUPPORT
  */
+
 export var HAS_WEAKSET_SUPPORT = typeof global.WeakSet === 'function';

es/index.js

 // utils
 import { copyArray, copyArrayBuffer, copyBuffer, copyMap, copyObject, copyRegExp, copySet, copyTypedArray, getNewCache, isObjectCopyable, shouldObjectBeCopied } from './utils';
-
 /**
@@ -14,5 +13,8 @@ * @function copy
  */
-export default function copy(object) {
-  var realm = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : global;
 
+export default function copy(object, realm) {
+  if (realm === void 0) {
+    realm = global;
+  }
+
   var cache = getNewCache();
@@ -27,3 +29,2 @@
       cache.add(object);
-
       return copyArray(object, handleCopy, realm);
@@ -34,3 +35,2 @@ }
       cache.add(object);
-
       return copyObject(object, handleCopy, realm, true);
@@ -49,3 +49,2 @@ }
       cache.add(object);
-
       return copyMap(object, handleCopy, realm);
@@ -56,3 +55,2 @@ }
       cache.add(object);
-
       return copySet(object, handleCopy, realm);
@@ -77,3 +75,2 @@ }
       cache.add(object);
-
       return copyObject(object, handleCopy, realm);
@@ -80,0 +77,0 @@ }

es/utils.js

 // constants
 import { HAS_FLAGS_SUPPORT, HAS_PROPERTY_SYMBOL_SUPPORT, HAS_WEAKSET_SUPPORT } from './constants';
-
 var create = Object.create,
     getKeys = Object.keys,
-    getSymbols = Object.getOwnPropertySymbols;
+    getSymbols = Object.getOwnPropertySymbols,
+    getPrototypeOf = Object.getPrototypeOf;
 var propertyIsEnumerable = Object.prototype.propertyIsEnumerable;
-
 /**
@@ -29,4 +28,60 @@ * @function getNewCache
 };
+/**
+ * @function getProto
+ *
+ * @description
+ * get the __proto__ prototype property from the object
+ *
+ * @param {any} object the object to get the __proto__ from
+ * @returns {Object} tthe prototype of the object
+ */
 
+export var getProto = function getProto(object) {
+  return object ? object.__proto__ : null;
+};
 /**
+ * @function getPrototype
+ *
+ * @description
+ * get the prototype of the object passed, using __proto__ when supported and
+ * falling back to getPrototypeOf
+ *
+ * @param {any} object the object to get the prototype of
+ * @returns {Object} the object's prototype
+ */
+
+export var getPrototype = function () {
+  try {
+    var object = {};
+
+    if (object.__proto__ !== void 0) {
+      return getProto;
+    }
+
+    throw new Error();
+  } catch (error) {
+    return getPrototypeOf;
+  }
+}();
+/**
+ * @function getObjectToCopy
+ *
+ * @description
+ * get the object to copy, including appropriate prototype
+ *
+ * @param {Object} object the object to copy
+ * @param {any} realm the realm to base the object prototype on
+ * @param {boolean} isPlainObject is the object a plain object
+ * @returns {Object} an empty version of the object to copy
+ */
+
+export var getObjectToCopy = function getObjectToCopy(object, realm, isPlainObject) {
+  if (isPlainObject) {
+    var prototype = getPrototype(object);
+    return prototype === realm.Object.prototype ? {} : create(prototype);
+  }
+
+  return object.constructor ? new object.constructor() : create(null);
+};
+/**
  * @function getRegExpFlags
@@ -40,2 +95,3 @@ *
  */
+
 export var getRegExpFlags = function getRegExpFlags(regExp) {
@@ -66,3 +122,2 @@ var flags = '';
 };
-
 /**
@@ -78,6 +133,6 @@ * @function isObjectCopyable
  */
+
 export var isObjectCopyable = function isObjectCopyable(object, cache) {
   return typeof object === 'object' && object !== null && !cache.has(object);
 };
-
 /**
@@ -93,6 +148,6 @@ * @function shouldObjectBeCopied
  */
+
 export var shouldObjectBeCopied = function shouldObjectBeCopied(object, realm) {
   return typeof object.then !== 'function' && !(object instanceof realm.Error) && !(realm.WeakMap && object instanceof realm.WeakMap) && !(realm.WeakSet && object instanceof realm.WeakSet);
 };
-
 /**
@@ -109,2 +164,3 @@ * @function copyArray
  */
+
 export var copyArray = function copyArray(array, copy, realm) {
@@ -119,3 +175,2 @@ var newArray = new array.constructor();
 };
-
 /**
@@ -130,6 +185,6 @@ * @function copyArrayBuffer
  */
+
 export var copyArrayBuffer = function copyArrayBuffer(arrayBuffer) {
   return arrayBuffer.slice(0);
 };
-
 /**
@@ -145,10 +200,8 @@ * @function copyBuffer
  */
+
 export var copyBuffer = function copyBuffer(buffer, realm) {
   var newBuffer = realm.Buffer.allocUnsafe ? realm.Buffer.allocUnsafe(buffer.length) : new realm.Buffer(buffer.length);
-
   buffer.copy(newBuffer);
-
   return newBuffer;
 };
-
 /**
@@ -163,12 +216,10 @@ * @function copyIterable
  */
+
 export var createCopyIterable = function createCopyIterable(assignmentHandler) {
   return function (iterable, copy, realm) {
     var newIterable = new iterable.constructor();
-
     iterable.forEach(assignmentHandler(newIterable, copy, realm));
-
     return newIterable;
   };
 };
-
 export var copyMap = createCopyIterable(function (iterable, copy, realm) {
@@ -184,3 +235,2 @@ return function (value, key) {
 });
-
 /**
@@ -198,12 +248,12 @@ * @function copyObject
  */
+
 export var copyObject = function copyObject(object, copy, realm, isPlainObject) {
-  var newObject = isPlainObject ? {} : object.constructor ? new object.constructor() : create(null);
+  var newObject = getObjectToCopy(object, realm, isPlainObject);
   var keys = getKeys(object);
 
   if (keys.length) {
-    var key = void 0;
+    var key;
 
     for (var index = 0; index < keys.length; index++) {
       key = keys[index];
-
       newObject[key] = copy(object[key], realm);
@@ -217,3 +267,3 @@ }
     if (symbols.length) {
-      var symbol = void 0;
+      var symbol;
 
@@ -232,3 +282,2 @@ for (var _index = 0; _index < symbols.length; _index++) {
 };
-
 /**
@@ -244,10 +293,8 @@ * @function copyRegExp
  */
+
 export var copyRegExp = function copyRegExp(regExp, realm) {
   var newRegExp = new realm.RegExp(regExp.source, HAS_FLAGS_SUPPORT ? regExp.flags : getRegExpFlags(regExp));
-
   newRegExp.lastIndex = regExp.lastIndex;
-
   return newRegExp;
 };
-
 /**
@@ -262,4 +309,5 @@ * @function copyTypedArray
  */
+
 export var copyTypedArray = function copyTypedArray(typedArray) {
   return new typedArray.constructor(copyArrayBuffer(typedArray.buffer));
 };

lib/constants.js

@@ -1,17 +0,22 @@
-'use strict';
+"use strict";
 
 exports.__esModule = true;
+exports.HAS_WEAKSET_SUPPORT = exports.HAS_PROPERTY_SYMBOL_SUPPORT = exports.HAS_FLAGS_SUPPORT = void 0;
+
 /**
  * @constant {boolean} HAS_FLAGS_SUPPORT
  */
-var HAS_FLAGS_SUPPORT = exports.HAS_FLAGS_SUPPORT = typeof /foo/g.flags === 'string';
-
+var HAS_FLAGS_SUPPORT = typeof /foo/g.flags === 'string';
 /**
  * @constant {boolean} HAS_PROPERTY_SYMBOL_SUPPORT
  */
-var HAS_PROPERTY_SYMBOL_SUPPORT = exports.HAS_PROPERTY_SYMBOL_SUPPORT = typeof global.Object.getOwnPropertySymbols === 'function';
 
+exports.HAS_FLAGS_SUPPORT = HAS_FLAGS_SUPPORT;
+var HAS_PROPERTY_SYMBOL_SUPPORT = typeof global.Object.getOwnPropertySymbols === 'function';
 /**
  * @constant {boolean} HAS_WEAKSET_SUPPORT
  */
-var HAS_WEAKSET_SUPPORT = exports.HAS_WEAKSET_SUPPORT = typeof global.WeakSet === 'function';
+
+exports.HAS_PROPERTY_SYMBOL_SUPPORT = HAS_PROPERTY_SYMBOL_SUPPORT;
+var HAS_WEAKSET_SUPPORT = typeof global.WeakSet === 'function';
+exports.HAS_WEAKSET_SUPPORT = HAS_WEAKSET_SUPPORT;

lib/index.js

@@ -1,2 +0,2 @@
-'use strict';
+"use strict";
 
@@ -6,4 +6,6 @@ exports.__esModule = true;
 
-var _utils = require('./utils');
+var _utils = require("./utils");
 
+// utils
+
 /**
@@ -19,4 +21,6 @@ * @function copy
  */
-function copy(object) {
-  var realm = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : global;
+function copy(object, realm) {
+  if (realm === void 0) {
+    realm = global;
+  }
 
@@ -32,3 +36,2 @@ var cache = (0, _utils.getNewCache)();
       cache.add(object);
-
       return (0, _utils.copyArray)(object, handleCopy, realm);
@@ -39,3 +42,2 @@ }
       cache.add(object);
-
       return (0, _utils.copyObject)(object, handleCopy, realm, true);
@@ -54,3 +56,2 @@ }
       cache.add(object);
-
       return (0, _utils.copyMap)(object, handleCopy, realm);
@@ -61,3 +62,2 @@ }
       cache.add(object);
-
       return (0, _utils.copySet)(object, handleCopy, realm);
@@ -82,3 +82,2 @@ }
       cache.add(object);
-
       return (0, _utils.copyObject)(object, handleCopy, realm);
@@ -91,2 +90,2 @@ }
   return handleCopy(object);
-} // utils
+}

lib/utils.js

@@ -1,14 +0,14 @@
-'use strict';
+"use strict";
 
 exports.__esModule = true;
-exports.copyTypedArray = exports.copyRegExp = exports.copyObject = exports.copySet = exports.copyMap = exports.createCopyIterable = exports.copyBuffer = exports.copyArrayBuffer = exports.copyArray = exports.shouldObjectBeCopied = exports.isObjectCopyable = exports.getRegExpFlags = exports.getNewCache = undefined;
+exports.copyTypedArray = exports.copyRegExp = exports.copyObject = exports.copySet = exports.copyMap = exports.createCopyIterable = exports.copyBuffer = exports.copyArrayBuffer = exports.copyArray = exports.shouldObjectBeCopied = exports.isObjectCopyable = exports.getRegExpFlags = exports.getObjectToCopy = exports.getPrototype = exports.getProto = exports.getNewCache = void 0;
 
-var _constants = require('./constants');
+var _constants = require("./constants");
 
+// constants
 var create = Object.create,
     getKeys = Object.keys,
-    getSymbols = Object.getOwnPropertySymbols; // constants
-
+    getSymbols = Object.getOwnPropertySymbols,
+    getPrototypeOf = Object.getPrototypeOf;
 var propertyIsEnumerable = Object.prototype.propertyIsEnumerable;
-
 /**
@@ -23,3 +23,3 @@ * @function getNewCache
 
-var getNewCache = exports.getNewCache = function getNewCache() {
+var getNewCache = function getNewCache() {
   return _constants.HAS_WEAKSET_SUPPORT ? new WeakSet() : create({
@@ -35,4 +35,69 @@ _values: [],
 };
+/**
+ * @function getProto
+ *
+ * @description
+ * get the __proto__ prototype property from the object
+ *
+ * @param {any} object the object to get the __proto__ from
+ * @returns {Object} tthe prototype of the object
+ */
 
+
+exports.getNewCache = getNewCache;
+
+var getProto = function getProto(object) {
+  return object ? object.__proto__ : null;
+};
 /**
+ * @function getPrototype
+ *
+ * @description
+ * get the prototype of the object passed, using __proto__ when supported and
+ * falling back to getPrototypeOf
+ *
+ * @param {any} object the object to get the prototype of
+ * @returns {Object} the object's prototype
+ */
+
+
+exports.getProto = getProto;
+
+var getPrototype = function () {
+  try {
+    var object = {};
+
+    if (object.__proto__ !== void 0) {
+      return getProto;
+    }
+
+    throw new Error();
+  } catch (error) {
+    return getPrototypeOf;
+  }
+}();
+/**
+ * @function getObjectToCopy
+ *
+ * @description
+ * get the object to copy, including appropriate prototype
+ *
+ * @param {Object} object the object to copy
+ * @param {any} realm the realm to base the object prototype on
+ * @param {boolean} isPlainObject is the object a plain object
+ * @returns {Object} an empty version of the object to copy
+ */
+
+
+exports.getPrototype = getPrototype;
+
+var getObjectToCopy = function getObjectToCopy(object, realm, isPlainObject) {
+  if (isPlainObject) {
+    var prototype = getPrototype(object);
+    return prototype === realm.Object.prototype ? {} : create(prototype);
+  }
+
+  return object.constructor ? new object.constructor() : create(null);
+};
+/**
  * @function getRegExpFlags
@@ -46,3 +111,7 @@ *
  */
-var getRegExpFlags = exports.getRegExpFlags = function getRegExpFlags(regExp) {
+
+
+exports.getObjectToCopy = getObjectToCopy;
+
+var getRegExpFlags = function getRegExpFlags(regExp) {
   var flags = '';
@@ -72,3 +141,2 @@
 };
-
 /**
@@ -84,6 +152,9 @@ * @function isObjectCopyable
  */
-var isObjectCopyable = exports.isObjectCopyable = function isObjectCopyable(object, cache) {
+
+
+exports.getRegExpFlags = getRegExpFlags;
+
+var isObjectCopyable = function isObjectCopyable(object, cache) {
   return typeof object === 'object' && object !== null && !cache.has(object);
 };
-
 /**
@@ -99,6 +170,9 @@ * @function shouldObjectBeCopied
  */
-var shouldObjectBeCopied = exports.shouldObjectBeCopied = function shouldObjectBeCopied(object, realm) {
+
+
+exports.isObjectCopyable = isObjectCopyable;
+
+var shouldObjectBeCopied = function shouldObjectBeCopied(object, realm) {
   return typeof object.then !== 'function' && !(object instanceof realm.Error) && !(realm.WeakMap && object instanceof realm.WeakMap) && !(realm.WeakSet && object instanceof realm.WeakSet);
 };
-
 /**
@@ -115,3 +189,7 @@ * @function copyArray
  */
-var copyArray = exports.copyArray = function copyArray(array, copy, realm) {
+
+
+exports.shouldObjectBeCopied = shouldObjectBeCopied;
+
+var copyArray = function copyArray(array, copy, realm) {
   var newArray = new array.constructor();
@@ -125,3 +203,2 @@
 };
-
 /**
@@ -136,6 +213,9 @@ * @function copyArrayBuffer
  */
-var copyArrayBuffer = exports.copyArrayBuffer = function copyArrayBuffer(arrayBuffer) {
+
+
+exports.copyArray = copyArray;
+
+var copyArrayBuffer = function copyArrayBuffer(arrayBuffer) {
   return arrayBuffer.slice(0);
 };
-
 /**
@@ -151,10 +231,11 @@ * @function copyBuffer
  */
-var copyBuffer = exports.copyBuffer = function copyBuffer(buffer, realm) {
+
+
+exports.copyArrayBuffer = copyArrayBuffer;
+
+var copyBuffer = function copyBuffer(buffer, realm) {
   var newBuffer = realm.Buffer.allocUnsafe ? realm.Buffer.allocUnsafe(buffer.length) : new realm.Buffer(buffer.length);
-
   buffer.copy(newBuffer);
-
   return newBuffer;
 };
-
 /**
@@ -169,8 +250,10 @@ * @function copyIterable
  */
-var createCopyIterable = exports.createCopyIterable = function createCopyIterable(assignmentHandler) {
+
+
+exports.copyBuffer = copyBuffer;
+
+var createCopyIterable = function createCopyIterable(assignmentHandler) {
   return function (iterable, copy, realm) {
     var newIterable = new iterable.constructor();
-
     iterable.forEach(assignmentHandler(newIterable, copy, realm));
-
     return newIterable;
@@ -180,3 +263,4 @@ };
 
-var copyMap = exports.copyMap = createCopyIterable(function (iterable, copy, realm) {
+exports.createCopyIterable = createCopyIterable;
+var copyMap = createCopyIterable(function (iterable, copy, realm) {
   return function (value, key) {
@@ -186,3 +270,4 @@ return iterable.set(key, copy(value, realm));
 });
-var copySet = exports.copySet = createCopyIterable(function (iterable, copy, realm) {
+exports.copyMap = copyMap;
+var copySet = createCopyIterable(function (iterable, copy, realm) {
   return function (value) {
@@ -192,3 +277,2 @@ return iterable.add(copy(value, realm));
 });
-
 /**
@@ -206,12 +290,14 @@ * @function copyObject
  */
-var copyObject = exports.copyObject = function copyObject(object, copy, realm, isPlainObject) {
-  var newObject = isPlainObject ? {} : object.constructor ? new object.constructor() : create(null);
+
+exports.copySet = copySet;
+
+var copyObject = function copyObject(object, copy, realm, isPlainObject) {
+  var newObject = getObjectToCopy(object, realm, isPlainObject);
   var keys = getKeys(object);
 
   if (keys.length) {
-    var key = void 0;
+    var key;
 
     for (var index = 0; index < keys.length; index++) {
       key = keys[index];
-
       newObject[key] = copy(object[key], realm);
@@ -225,3 +311,3 @@ }
     if (symbols.length) {
-      var symbol = void 0;
+      var symbol;
 
@@ -240,3 +326,2 @@ for (var _index = 0; _index < symbols.length; _index++) {
 };
-
 /**
@@ -252,10 +337,11 @@ * @function copyRegExp
  */
-var copyRegExp = exports.copyRegExp = function copyRegExp(regExp, realm) {
+
+
+exports.copyObject = copyObject;
+
+var copyRegExp = function copyRegExp(regExp, realm) {
   var newRegExp = new realm.RegExp(regExp.source, _constants.HAS_FLAGS_SUPPORT ? regExp.flags : getRegExpFlags(regExp));
-
   newRegExp.lastIndex = regExp.lastIndex;
-
   return newRegExp;
 };
-
 /**
@@ -270,4 +356,10 @@ * @function copyTypedArray
  */
-var copyTypedArray = exports.copyTypedArray = function copyTypedArray(typedArray) {
+
+
+exports.copyRegExp = copyRegExp;
+
+var copyTypedArray = function copyTypedArray(typedArray) {
   return new typedArray.constructor(copyArrayBuffer(typedArray.buffer));
-};
+};
+
+exports.copyTypedArray = copyTypedArray;

package.json

 {
   "author": "[e-mail]",
   "ava": {
-    "babel": "inherit",
     "failFast": true,
@@ -10,5 +9,5 @@ "files": [
     "require": [
-      "babel-register"
+      "@babel/register"
     ],
-    "source": [
+    "sources": [
       "src/*.js"
@@ -23,12 +22,12 @@ ],
   "devDependencies": {
-    "ava": "^0.25.0",
-    "babel-cli": "^6.26.0",
-    "babel-eslint": "^8.2.5",
-    "babel-loader": "^7.1.5",
-    "babel-preset-env": "^1.6.1",
-    "babel-preset-react": "^6.24.1",
-    "babel-preset-stage-2": "^6.24.1",
-    "babel-register": "^6.26.0",
+    "@babel/cli": "^7.0.0",
+    "@babel/core": "^7.0.0",
+    "@babel/preset-env": "^7.0.0",
+    "@babel/preset-react": "^7.0.0",
+    "@babel/register": "^7.0.0",
+    "ava": "^1.0.0-beta.8",
+    "babel-eslint": "^10.0.1",
+    "babel-loader": "^8.0.0",
     "benchmark": "^2.1.4",
-    "clone": "^2.1.1",
+    "clone": "^2.1.2",
     "decircularize": "^1.0.0",
@@ -39,29 +38,29 @@ "deep-clone": "^3.0.3",
     "deepclone": "^1.0.2",
-    "eslint": "^5.1.0",
-    "eslint-config-rapid7": "^3.0.3",
+    "eslint": "^5.7.0",
+    "eslint-config-rapid7": "^3.1.0",
     "eslint-friendly-formatter": "^4.0.1",
-    "eslint-loader": "^2.0.0",
+    "eslint-loader": "^2.1.1",
     "fast-clone": "^1.5.3",
     "fast-deep-equal": "^2.0.1",
     "fast-deepclone": "^1.0.0",
-    "fast-equals": "^1.5.3",
+    "fast-equals": "^1.6.1",
     "html-webpack-plugin": "^3.2.0",
     "in-publish": "^2.0.0",
-    "lodash": "^4.17.10",
+    "lodash": "^4.17.11",
     "nano-equal": "^2.0.2",
-    "nyc": "^12.0.2",
+    "nyc": "^13.1.0",
     "optimize-js-plugin": "^0.0.4",
-    "react": "^16.4.1",
-    "react-dom": "^16.4.1",
-    "react-fast-compare": "^2.0.1",
-    "rollup": "^0.62.0",
-    "rollup-plugin-babel": "^3.0.7",
-    "rollup-plugin-node-resolve": "^3.3.0",
-    "rollup-plugin-uglify": "^4.0.0",
+    "react": "^16.5.2",
+    "react-dom": "^16.5.2",
+    "react-fast-compare": "^2.0.2",
+    "rollup": "^0.66.6",
+    "rollup-plugin-babel": "^4.0.1",
+    "rollup-plugin-node-resolve": "^3.4.0",
+    "rollup-plugin-uglify": "^6.0.0",
     "shallow-equal-fuzzy": "^0.0.2",
-    "sinon": "^6.1.3",
+    "sinon": "^7.0.0",
     "underscore": "^1.9.1",
-    "webpack": "^4.15.1",
-    "webpack-cli": "^3.0.8",
-    "webpack-dev-server": "^3.1.4"
+    "webpack": "^4.20.2",
+    "webpack-cli": "^3.1.2",
+    "webpack-dev-server": "^3.1.9"
   },
@@ -104,3 +103,3 @@ "homepage": "https://github.com/planttheidea/fast-copy#readme",
   "types": "index.d.ts",
-  "version": "1.2.2"
+  "version": "1.2.3"
 }

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64272

increased by13.16%

Lines of code

1045

increased by19.29%

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