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fast-copy

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fast-copy - npm Package Compare versions

Comparing version 2.1.1 to 2.1.2

6

CHANGELOG.md
# fast-copy CHANGELOG
## 2.1.2
- Support `constructor` property override on object [#60](https://github.com/planttheidea/fast-copy/pull/60)
- Provide better support for `constructor` override on non-plain object types [#61](https://github.com/planttheidea/fast-copy/pull/61)
- Remove `tslint` in favor of `@typescript-eslint` [#62](https://github.com/planttheidea/fast-copy/pull/62)
## 2.1.1

@@ -4,0 +10,0 @@

249

dist/fast-copy.cjs.js
'use strict';
var toStringFunction = Function.prototype.toString;
var create = Object.create, defineProperty = Object.defineProperty, getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor, getOwnPropertyNames = Object.getOwnPropertyNames, getOwnPropertySymbols = Object.getOwnPropertySymbols, getPrototypeOf = Object.getPrototypeOf;
var create = Object.create, defineProperty = Object.defineProperty, getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor, getOwnPropertyNames = Object.getOwnPropertyNames, getOwnPropertySymbols = Object.getOwnPropertySymbols, getPrototypeOf$1 = Object.getPrototypeOf;
var _a = Object.prototype, hasOwnProperty = _a.hasOwnProperty, propertyIsEnumerable = _a.propertyIsEnumerable;
var SYMBOL_PROPERTIES = typeof getOwnPropertySymbols === 'function';
var WEAK_MAP = typeof WeakMap === 'function';
/**
* @enum
*
* @const {Object} SUPPORTS
*
* @property {boolean} SYMBOL_PROPERTIES are symbol properties supported
* @property {boolean} WEAKMAP is WeakMap supported
*/
var SUPPORTS = {
SYMBOL_PROPERTIES: typeof getOwnPropertySymbols === 'function',
WEAKMAP: typeof WeakMap === 'function',
};
/**
* @function createCache

@@ -26,19 +16,25 @@ *

*/
var createCache = function () {
if (SUPPORTS.WEAKMAP) {
return new WeakMap();
var createCache = (function () {
if (WEAK_MAP) {
return function () { return new WeakMap(); };
}
// tiny implementation of WeakMap
var object = create({
has: function (key) { return !!~object._keys.indexOf(key); },
set: function (key, value) {
object._keys.push(key);
object._values.push(value);
},
get: function (key) { return object._values[object._keys.indexOf(key)]; },
});
object._keys = [];
object._values = [];
return object;
};
var Cache = /** @class */ (function () {
function Cache() {
this._keys = [];
this._values = [];
}
Cache.prototype.has = function (key) {
return !!~this._keys.indexOf(key);
};
Cache.prototype.get = function (key) {
return this._values[this._keys.indexOf(key)];
};
Cache.prototype.set = function (key, value) {
this._keys.push(key);
this._values.push(value);
};
return Cache;
}());
return function () { return new Cache(); };
})();
/**

@@ -55,7 +51,7 @@ * @function getCleanClone

var getCleanClone = function (object, realm) {
if (!object.constructor) {
var prototype = object.__proto__ || getPrototypeOf$1(object);
if (!prototype) {
return create(null);
}
var Constructor = object.constructor;
var prototype = object.__proto__ || getPrototypeOf(object);
var Constructor = prototype.constructor;
if (Constructor === realm.Object) {

@@ -93,11 +89,8 @@ return prototype === realm.Object.prototype ? {} : create(prototype);

}
if (SUPPORTS.SYMBOL_PROPERTIES) {
if (SYMBOL_PROPERTIES) {
var symbols = getOwnPropertySymbols(object);
var length_1 = symbols.length;
if (length_1) {
for (var index = 0, symbol = void 0; index < length_1; index++) {
symbol = symbols[index];
if (propertyIsEnumerable.call(object, symbol)) {
clone[symbol] = handleCopy(object[symbol], cache);
}
for (var index = 0, length_1 = symbols.length, symbol = void 0; index < length_1; ++index) {
symbol = symbols[index];
if (propertyIsEnumerable.call(object, symbol)) {
clone[symbol] = handleCopy(object[symbol], cache);
}

@@ -124,30 +117,27 @@ }

cache.set(object, clone);
var properties = SUPPORTS.SYMBOL_PROPERTIES
var properties = SYMBOL_PROPERTIES
? getOwnPropertyNames(object).concat(getOwnPropertySymbols(object))
: getOwnPropertyNames(object);
var length = properties.length;
if (length) {
for (var index = 0, property = void 0, descriptor = void 0; index < length; index++) {
property = properties[index];
if (property !== 'callee' && property !== 'caller') {
descriptor = getOwnPropertyDescriptor(object, property);
if (descriptor) {
// Only clone the value if actually a value, not a getter / setter.
if (!descriptor.get && !descriptor.set) {
descriptor.value = handleCopy(object[property], cache);
}
try {
defineProperty(clone, property, descriptor);
}
catch (error) {
// Tee above can fail on node in edge cases, so fall back to the loose assignment.
clone[property] = descriptor.value;
}
for (var index = 0, length_2 = properties.length, property = void 0, descriptor = void 0; index < length_2; ++index) {
property = properties[index];
if (property !== 'callee' && property !== 'caller') {
descriptor = getOwnPropertyDescriptor(object, property);
if (descriptor) {
// Only clone the value if actually a value, not a getter / setter.
if (!descriptor.get && !descriptor.set) {
descriptor.value = handleCopy(object[property], cache);
}
else {
// In extra edge cases where the property descriptor cannot be retrived, fall back to
// the loose assignment.
clone[property] = handleCopy(object[property], cache);
try {
defineProperty(clone, property, descriptor);
}
catch (error) {
// Tee above can fail on node in edge cases, so fall back to the loose assignment.
clone[property] = descriptor.value;
}
}
else {
// In extra edge cases where the property descriptor cannot be retrived, fall back to
// the loose assignment.
clone[property] = handleCopy(object[property], cache);
}
}

@@ -188,3 +178,7 @@ }

var isArray = Array.isArray;
var getPrototypeOf = Object.getPrototypeOf;
var GLOBAL_THIS = (function () {
if (typeof globalThis !== 'undefined') {
return globalThis;
}
if (typeof self !== 'undefined') {

@@ -202,2 +196,3 @@ return self;

}
return this;
})();

@@ -208,3 +203,3 @@ /**

* @description
* copy an object deeply as much as possible
* copy an value deeply as much as possible
*

@@ -214,19 +209,17 @@ * If `strict` is applied, then all properties (including non-enumerable ones)

*
* The object is compared to the global constructors in the `realm` provided,
* The value is compared to the global constructors in the `realm` provided,
* and the native constructor is always used to ensure that extensions of native
* objects (allows in ES2015+) are maintained.
*
* @param object the object to copy
* @param value the value to copy
* @param [options] the options for copying with
* @param [options.isStrict] should the copy be strict
* @param [options.realm] the realm (this) object the object is copied from
* @returns the copied object
* @param [options.realm] the realm (this) value the value is copied from
* @returns the copied value
*/
function copy(object, options) {
function copy(value, options) {
// manually coalesced instead of default parameters for performance
var isStrict = !!(options && options.isStrict);
var realm = (options && options.realm) || GLOBAL_THIS;
var getObjectClone = isStrict
? getObjectCloneStrict
: getObjectCloneLoose;
var getObjectClone = isStrict ? getObjectCloneStrict : getObjectCloneLoose;
/**

@@ -236,31 +229,31 @@ * @function handleCopy

* @description
* copy the object recursively based on its type
* copy the value recursively based on its type
*
* @param object the object to copy
* @returns the copied object
* @param value the value to copy
* @returns the copied value
*/
var handleCopy = function (object, cache) {
if (!object || typeof object !== 'object') {
return object;
var handleCopy = function (value, cache) {
if (!value || typeof value !== 'object') {
return value;
}
if (cache.has(object)) {
return cache.get(object);
if (cache.has(value)) {
return cache.get(value);
}
var Constructor = object.constructor;
var prototype = value.__proto__ || getPrototypeOf(value);
var Constructor = prototype && prototype.constructor;
// plain objects
if (Constructor === realm.Object) {
return getObjectClone(object, realm, handleCopy, cache);
if (!Constructor || Constructor === realm.Object) {
return getObjectClone(value, realm, handleCopy, cache);
}
var clone;
// arrays
if (isArray(object)) {
if (isArray(value)) {
// if strict, include non-standard properties
if (isStrict) {
return getObjectCloneStrict(object, realm, handleCopy, cache);
return getObjectCloneStrict(value, realm, handleCopy, cache);
}
var length_1 = object.length;
clone = new Constructor();
cache.set(object, clone);
for (var index = 0; index < length_1; index++) {
clone[index] = handleCopy(object[index], cache);
cache.set(value, clone);
for (var index = 0, length_1 = value.length; index < length_1; ++index) {
clone[index] = handleCopy(value[index], cache);
}

@@ -270,16 +263,16 @@ return clone;

// dates
if (object instanceof realm.Date) {
return new Constructor(object.getTime());
if (value instanceof realm.Date) {
return new Constructor(value.getTime());
}
// regexps
if (object instanceof realm.RegExp) {
clone = new Constructor(object.source, object.flags || getRegExpFlags(object));
clone.lastIndex = object.lastIndex;
if (value instanceof realm.RegExp) {
clone = new Constructor(value.source, value.flags || getRegExpFlags(value));
clone.lastIndex = value.lastIndex;
return clone;
}
// maps
if (realm.Map && object instanceof realm.Map) {
if (realm.Map && value instanceof realm.Map) {
clone = new Constructor();
cache.set(object, clone);
object.forEach(function (value, key) {
cache.set(value, clone);
value.forEach(function (value, key) {
clone.set(key, handleCopy(value, cache));

@@ -290,6 +283,6 @@ });

// sets
if (realm.Set && object instanceof realm.Set) {
if (realm.Set && value instanceof realm.Set) {
clone = new Constructor();
cache.set(object, clone);
object.forEach(function (value) {
cache.set(value, clone);
value.forEach(function (value) {
clone.add(handleCopy(value, cache));

@@ -300,12 +293,12 @@ });

// blobs
if (realm.Blob && object instanceof realm.Blob) {
return object.slice(0, object.size, object.type);
if (realm.Blob && value instanceof realm.Blob) {
return value.slice(0, value.size, value.type);
}
// buffers (node-only)
if (realm.Buffer && realm.Buffer.isBuffer(object)) {
if (realm.Buffer && realm.Buffer.isBuffer(value)) {
clone = realm.Buffer.allocUnsafe
? realm.Buffer.allocUnsafe(object.length)
: new Constructor(object.length);
cache.set(object, clone);
object.copy(clone);
? realm.Buffer.allocUnsafe(value.length)
: new Constructor(value.length);
cache.set(value, clone);
value.copy(clone);
return clone;

@@ -316,33 +309,33 @@ }

// dataviews
if (realm.ArrayBuffer.isView(object)) {
clone = new Constructor(object.buffer.slice(0));
cache.set(object, clone);
if (realm.ArrayBuffer.isView(value)) {
clone = new Constructor(value.buffer.slice(0));
cache.set(value, clone);
return clone;
}
// arraybuffers
if (object instanceof realm.ArrayBuffer) {
clone = object.slice(0);
cache.set(object, clone);
if (value instanceof realm.ArrayBuffer) {
clone = value.slice(0);
cache.set(value, clone);
return clone;
}
}
// if the object cannot / should not be cloned, don't
// if the value cannot / should not be cloned, don't
if (
// promise-like
typeof object.then === 'function' ||
typeof value.then === 'function' ||
// errors
object instanceof Error ||
value instanceof Error ||
// weakmaps
(realm.WeakMap && object instanceof realm.WeakMap) ||
(realm.WeakMap && value instanceof realm.WeakMap) ||
// weaksets
(realm.WeakSet && object instanceof realm.WeakSet)) {
return object;
(realm.WeakSet && value instanceof realm.WeakSet)) {
return value;
}
// assume anything left is a custom constructor
return getObjectClone(object, realm, handleCopy, cache);
return getObjectClone(value, realm, handleCopy, cache);
};
return handleCopy(object, createCache());
return handleCopy(value, createCache());
}
// Adding reference to allow usage in CommonJS libraries compiled using TSC, which
// expects there to be a default property on the exported object. See
// expects there to be a default property on the exported value. See
// [#37](https://github.com/planttheidea/fast-copy/issues/37) for details.

@@ -354,11 +347,11 @@ copy.default = copy;

* @description
* copy the object with `strict` option pre-applied
* copy the value with `strict` option pre-applied
*
* @param object the object to copy
* @param value the value to copy
* @param [options] the options for copying with
* @param [options.realm] the realm (this) object the object is copied from
* @returns the copied object
* @param [options.realm] the realm (this) value the value is copied from
* @returns the copied value
*/
copy.strict = function strictCopy(object, options) {
return copy(object, {
copy.strict = function strictCopy(value, options) {
return copy(value, {
isStrict: true,

@@ -365,0 +358,0 @@ realm: options ? options.realm : void 0,

251

dist/fast-copy.esm.js
var toStringFunction = Function.prototype.toString;
var create = Object.create, defineProperty = Object.defineProperty, getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor, getOwnPropertyNames = Object.getOwnPropertyNames, getOwnPropertySymbols = Object.getOwnPropertySymbols, getPrototypeOf = Object.getPrototypeOf;
var create = Object.create, defineProperty = Object.defineProperty, getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor, getOwnPropertyNames = Object.getOwnPropertyNames, getOwnPropertySymbols = Object.getOwnPropertySymbols, getPrototypeOf$1 = Object.getPrototypeOf;
var _a = Object.prototype, hasOwnProperty = _a.hasOwnProperty, propertyIsEnumerable = _a.propertyIsEnumerable;
var SYMBOL_PROPERTIES = typeof getOwnPropertySymbols === 'function';
var WEAK_MAP = typeof WeakMap === 'function';
/**
* @enum
*
* @const {Object} SUPPORTS
*
* @property {boolean} SYMBOL_PROPERTIES are symbol properties supported
* @property {boolean} WEAKMAP is WeakMap supported
*/
var SUPPORTS = {
SYMBOL_PROPERTIES: typeof getOwnPropertySymbols === 'function',
WEAKMAP: typeof WeakMap === 'function',
};
/**
* @function createCache

@@ -24,19 +14,25 @@ *

*/
var createCache = function () {
if (SUPPORTS.WEAKMAP) {
return new WeakMap();
var createCache = (function () {
if (WEAK_MAP) {
return function () { return new WeakMap(); };
}
// tiny implementation of WeakMap
var object = create({
has: function (key) { return !!~object._keys.indexOf(key); },
set: function (key, value) {
object._keys.push(key);
object._values.push(value);
},
get: function (key) { return object._values[object._keys.indexOf(key)]; },
});
object._keys = [];
object._values = [];
return object;
};
var Cache = /** @class */ (function () {
function Cache() {
this._keys = [];
this._values = [];
}
Cache.prototype.has = function (key) {
return !!~this._keys.indexOf(key);
};
Cache.prototype.get = function (key) {
return this._values[this._keys.indexOf(key)];
};
Cache.prototype.set = function (key, value) {
this._keys.push(key);
this._values.push(value);
};
return Cache;
}());
return function () { return new Cache(); };
})();
/**

@@ -53,7 +49,7 @@ * @function getCleanClone

var getCleanClone = function (object, realm) {
if (!object.constructor) {
var prototype = object.__proto__ || getPrototypeOf$1(object);
if (!prototype) {
return create(null);
}
var Constructor = object.constructor;
var prototype = object.__proto__ || getPrototypeOf(object);
var Constructor = prototype.constructor;
if (Constructor === realm.Object) {

@@ -91,11 +87,8 @@ return prototype === realm.Object.prototype ? {} : create(prototype);

}
if (SUPPORTS.SYMBOL_PROPERTIES) {
if (SYMBOL_PROPERTIES) {
var symbols = getOwnPropertySymbols(object);
var length_1 = symbols.length;
if (length_1) {
for (var index = 0, symbol = void 0; index < length_1; index++) {
symbol = symbols[index];
if (propertyIsEnumerable.call(object, symbol)) {
clone[symbol] = handleCopy(object[symbol], cache);
}
for (var index = 0, length_1 = symbols.length, symbol = void 0; index < length_1; ++index) {
symbol = symbols[index];
if (propertyIsEnumerable.call(object, symbol)) {
clone[symbol] = handleCopy(object[symbol], cache);
}

@@ -122,30 +115,27 @@ }

cache.set(object, clone);
var properties = SUPPORTS.SYMBOL_PROPERTIES
var properties = SYMBOL_PROPERTIES
? getOwnPropertyNames(object).concat(getOwnPropertySymbols(object))
: getOwnPropertyNames(object);
var length = properties.length;
if (length) {
for (var index = 0, property = void 0, descriptor = void 0; index < length; index++) {
property = properties[index];
if (property !== 'callee' && property !== 'caller') {
descriptor = getOwnPropertyDescriptor(object, property);
if (descriptor) {
// Only clone the value if actually a value, not a getter / setter.
if (!descriptor.get && !descriptor.set) {
descriptor.value = handleCopy(object[property], cache);
}
try {
defineProperty(clone, property, descriptor);
}
catch (error) {
// Tee above can fail on node in edge cases, so fall back to the loose assignment.
clone[property] = descriptor.value;
}
for (var index = 0, length_2 = properties.length, property = void 0, descriptor = void 0; index < length_2; ++index) {
property = properties[index];
if (property !== 'callee' && property !== 'caller') {
descriptor = getOwnPropertyDescriptor(object, property);
if (descriptor) {
// Only clone the value if actually a value, not a getter / setter.
if (!descriptor.get && !descriptor.set) {
descriptor.value = handleCopy(object[property], cache);
}
else {
// In extra edge cases where the property descriptor cannot be retrived, fall back to
// the loose assignment.
clone[property] = handleCopy(object[property], cache);
try {
defineProperty(clone, property, descriptor);
}
catch (error) {
// Tee above can fail on node in edge cases, so fall back to the loose assignment.
clone[property] = descriptor.value;
}
}
else {
// In extra edge cases where the property descriptor cannot be retrived, fall back to
// the loose assignment.
clone[property] = handleCopy(object[property], cache);
}
}

@@ -186,3 +176,7 @@ }

var isArray = Array.isArray;
var getPrototypeOf = Object.getPrototypeOf;
var GLOBAL_THIS = (function () {
if (typeof globalThis !== 'undefined') {
return globalThis;
}
if (typeof self !== 'undefined') {

@@ -200,2 +194,3 @@ return self;

}
return this;
})();

@@ -206,3 +201,3 @@ /**

* @description
* copy an object deeply as much as possible
* copy an value deeply as much as possible
*

@@ -212,19 +207,17 @@ * If `strict` is applied, then all properties (including non-enumerable ones)

*
* The object is compared to the global constructors in the `realm` provided,
* The value is compared to the global constructors in the `realm` provided,
* and the native constructor is always used to ensure that extensions of native
* objects (allows in ES2015+) are maintained.
*
* @param object the object to copy
* @param value the value to copy
* @param [options] the options for copying with
* @param [options.isStrict] should the copy be strict
* @param [options.realm] the realm (this) object the object is copied from
* @returns the copied object
* @param [options.realm] the realm (this) value the value is copied from
* @returns the copied value
*/
function copy(object, options) {
function copy(value, options) {
// manually coalesced instead of default parameters for performance
var isStrict = !!(options && options.isStrict);
var realm = (options && options.realm) || GLOBAL_THIS;
var getObjectClone = isStrict
? getObjectCloneStrict
: getObjectCloneLoose;
var getObjectClone = isStrict ? getObjectCloneStrict : getObjectCloneLoose;
/**

@@ -234,31 +227,31 @@ * @function handleCopy

* @description
* copy the object recursively based on its type
* copy the value recursively based on its type
*
* @param object the object to copy
* @returns the copied object
* @param value the value to copy
* @returns the copied value
*/
var handleCopy = function (object, cache) {
if (!object || typeof object !== 'object') {
return object;
var handleCopy = function (value, cache) {
if (!value || typeof value !== 'object') {
return value;
}
if (cache.has(object)) {
return cache.get(object);
if (cache.has(value)) {
return cache.get(value);
}
var Constructor = object.constructor;
var prototype = value.__proto__ || getPrototypeOf(value);
var Constructor = prototype && prototype.constructor;
// plain objects
if (Constructor === realm.Object) {
return getObjectClone(object, realm, handleCopy, cache);
if (!Constructor || Constructor === realm.Object) {
return getObjectClone(value, realm, handleCopy, cache);
}
var clone;
// arrays
if (isArray(object)) {
if (isArray(value)) {
// if strict, include non-standard properties
if (isStrict) {
return getObjectCloneStrict(object, realm, handleCopy, cache);
return getObjectCloneStrict(value, realm, handleCopy, cache);
}
var length_1 = object.length;
clone = new Constructor();
cache.set(object, clone);
for (var index = 0; index < length_1; index++) {
clone[index] = handleCopy(object[index], cache);
cache.set(value, clone);
for (var index = 0, length_1 = value.length; index < length_1; ++index) {
clone[index] = handleCopy(value[index], cache);
}

@@ -268,16 +261,16 @@ return clone;

// dates
if (object instanceof realm.Date) {
return new Constructor(object.getTime());
if (value instanceof realm.Date) {
return new Constructor(value.getTime());
}
// regexps
if (object instanceof realm.RegExp) {
clone = new Constructor(object.source, object.flags || getRegExpFlags(object));
clone.lastIndex = object.lastIndex;
if (value instanceof realm.RegExp) {
clone = new Constructor(value.source, value.flags || getRegExpFlags(value));
clone.lastIndex = value.lastIndex;
return clone;
}
// maps
if (realm.Map && object instanceof realm.Map) {
if (realm.Map && value instanceof realm.Map) {
clone = new Constructor();
cache.set(object, clone);
object.forEach(function (value, key) {
cache.set(value, clone);
value.forEach(function (value, key) {
clone.set(key, handleCopy(value, cache));

@@ -288,6 +281,6 @@ });

// sets
if (realm.Set && object instanceof realm.Set) {
if (realm.Set && value instanceof realm.Set) {
clone = new Constructor();
cache.set(object, clone);
object.forEach(function (value) {
cache.set(value, clone);
value.forEach(function (value) {
clone.add(handleCopy(value, cache));

@@ -298,12 +291,12 @@ });

// blobs
if (realm.Blob && object instanceof realm.Blob) {
return object.slice(0, object.size, object.type);
if (realm.Blob && value instanceof realm.Blob) {
return value.slice(0, value.size, value.type);
}
// buffers (node-only)
if (realm.Buffer && realm.Buffer.isBuffer(object)) {
if (realm.Buffer && realm.Buffer.isBuffer(value)) {
clone = realm.Buffer.allocUnsafe
? realm.Buffer.allocUnsafe(object.length)
: new Constructor(object.length);
cache.set(object, clone);
object.copy(clone);
? realm.Buffer.allocUnsafe(value.length)
: new Constructor(value.length);
cache.set(value, clone);
value.copy(clone);
return clone;

@@ -314,33 +307,33 @@ }

// dataviews
if (realm.ArrayBuffer.isView(object)) {
clone = new Constructor(object.buffer.slice(0));
cache.set(object, clone);
if (realm.ArrayBuffer.isView(value)) {
clone = new Constructor(value.buffer.slice(0));
cache.set(value, clone);
return clone;
}
// arraybuffers
if (object instanceof realm.ArrayBuffer) {
clone = object.slice(0);
cache.set(object, clone);
if (value instanceof realm.ArrayBuffer) {
clone = value.slice(0);
cache.set(value, clone);
return clone;
}
}
// if the object cannot / should not be cloned, don't
// if the value cannot / should not be cloned, don't
if (
// promise-like
typeof object.then === 'function' ||
typeof value.then === 'function' ||
// errors
object instanceof Error ||
value instanceof Error ||
// weakmaps
(realm.WeakMap && object instanceof realm.WeakMap) ||
(realm.WeakMap && value instanceof realm.WeakMap) ||
// weaksets
(realm.WeakSet && object instanceof realm.WeakSet)) {
return object;
(realm.WeakSet && value instanceof realm.WeakSet)) {
return value;
}
// assume anything left is a custom constructor
return getObjectClone(object, realm, handleCopy, cache);
return getObjectClone(value, realm, handleCopy, cache);
};
return handleCopy(object, createCache());
return handleCopy(value, createCache());
}
// Adding reference to allow usage in CommonJS libraries compiled using TSC, which
// expects there to be a default property on the exported object. See
// expects there to be a default property on the exported value. See
// [#37](https://github.com/planttheidea/fast-copy/issues/37) for details.

@@ -352,11 +345,11 @@ copy.default = copy;

* @description
* copy the object with `strict` option pre-applied
* copy the value with `strict` option pre-applied
*
* @param object the object to copy
* @param value the value to copy
* @param [options] the options for copying with
* @param [options.realm] the realm (this) object the object is copied from
* @returns the copied object
* @param [options.realm] the realm (this) value the value is copied from
* @returns the copied value
*/
copy.strict = function strictCopy(object, options) {
return copy(object, {
copy.strict = function strictCopy(value, options) {
return copy(value, {
isStrict: true,

@@ -367,3 +360,3 @@ realm: options ? options.realm : void 0,

export default copy;
export { copy as default };
//# sourceMappingURL=fast-copy.esm.js.map

705

dist/fast-copy.js
(function (global, factory) {
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global['fast-copy'] = factory());
}(this, (function () { 'use strict';
typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
typeof define === 'function' && define.amd ? define(factory) :
(global = typeof globalThis !== 'undefined' ? globalThis : global || self, global["fast-copy"] = factory());
})(this, (function () { 'use strict';
var toStringFunction = Function.prototype.toString;
var create = Object.create, defineProperty = Object.defineProperty, getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor, getOwnPropertyNames = Object.getOwnPropertyNames, getOwnPropertySymbols = Object.getOwnPropertySymbols, getPrototypeOf = Object.getPrototypeOf;
var _a = Object.prototype, hasOwnProperty = _a.hasOwnProperty, propertyIsEnumerable = _a.propertyIsEnumerable;
/**
* @enum
*
* @const {Object} SUPPORTS
*
* @property {boolean} SYMBOL_PROPERTIES are symbol properties supported
* @property {boolean} WEAKMAP is WeakMap supported
*/
var SUPPORTS = {
SYMBOL_PROPERTIES: typeof getOwnPropertySymbols === 'function',
WEAKMAP: typeof WeakMap === 'function',
};
/**
* @function createCache
*
* @description
* get a new cache object to prevent circular references
*
* @returns the new cache object
*/
var createCache = function () {
if (SUPPORTS.WEAKMAP) {
return new WeakMap();
}
// tiny implementation of WeakMap
var object = create({
has: function (key) { return !!~object._keys.indexOf(key); },
set: function (key, value) {
object._keys.push(key);
object._values.push(value);
},
get: function (key) { return object._values[object._keys.indexOf(key)]; },
});
object._keys = [];
object._values = [];
return object;
};
/**
* @function getCleanClone
*
* @description
* get an empty version of the object with the same prototype it has
*
* @param object the object to build a clean clone from
* @param realm the realm the object resides in
* @returns the empty cloned object
*/
var getCleanClone = function (object, realm) {
if (!object.constructor) {
return create(null);
}
var Constructor = object.constructor;
var prototype = object.__proto__ || getPrototypeOf(object);
if (Constructor === realm.Object) {
return prototype === realm.Object.prototype ? {} : create(prototype);
}
if (~toStringFunction.call(Constructor).indexOf('[native code]')) {
try {
return new Constructor();
}
catch (_a) { }
}
return create(prototype);
};
/**
* @function getObjectCloneLoose
*
* @description
* get a copy of the object based on loose rules, meaning all enumerable keys
* and symbols are copied, but property descriptors are not considered
*
* @param object the object to clone
* @param realm the realm the object resides in
* @param handleCopy the function that handles copying the object
* @returns the copied object
*/
var getObjectCloneLoose = function (object, realm, handleCopy, cache) {
var clone = getCleanClone(object, realm);
// set in the cache immediately to be able to reuse the object recursively
cache.set(object, clone);
for (var key in object) {
if (hasOwnProperty.call(object, key)) {
clone[key] = handleCopy(object[key], cache);
}
}
if (SUPPORTS.SYMBOL_PROPERTIES) {
var symbols = getOwnPropertySymbols(object);
var length_1 = symbols.length;
if (length_1) {
for (var index = 0, symbol = void 0; index < length_1; index++) {
symbol = symbols[index];
if (propertyIsEnumerable.call(object, symbol)) {
clone[symbol] = handleCopy(object[symbol], cache);
}
}
}
}
return clone;
};
/**
* @function getObjectCloneStrict
*
* @description
* get a copy of the object based on strict rules, meaning all keys and symbols
* are copied based on the original property descriptors
*
* @param object the object to clone
* @param realm the realm the object resides in
* @param handleCopy the function that handles copying the object
* @returns the copied object
*/
var getObjectCloneStrict = function (object, realm, handleCopy, cache) {
var clone = getCleanClone(object, realm);
// set in the cache immediately to be able to reuse the object recursively
cache.set(object, clone);
var properties = SUPPORTS.SYMBOL_PROPERTIES
? getOwnPropertyNames(object).concat(getOwnPropertySymbols(object))
: getOwnPropertyNames(object);
var length = properties.length;
if (length) {
for (var index = 0, property = void 0, descriptor = void 0; index < length; index++) {
property = properties[index];
if (property !== 'callee' && property !== 'caller') {
descriptor = getOwnPropertyDescriptor(object, property);
if (descriptor) {
// Only clone the value if actually a value, not a getter / setter.
if (!descriptor.get && !descriptor.set) {
descriptor.value = handleCopy(object[property], cache);
}
try {
defineProperty(clone, property, descriptor);
}
catch (error) {
// Tee above can fail on node in edge cases, so fall back to the loose assignment.
clone[property] = descriptor.value;
}
}
else {
// In extra edge cases where the property descriptor cannot be retrived, fall back to
// the loose assignment.
clone[property] = handleCopy(object[property], cache);
}
}
}
}
return clone;
};
/**
* @function getRegExpFlags
*
* @description
* get the flags to apply to the copied regexp
*
* @param regExp the regexp to get the flags of
* @returns the flags for the regexp
*/
var getRegExpFlags = function (regExp) {
var flags = '';
if (regExp.global) {
flags += 'g';
}
if (regExp.ignoreCase) {
flags += 'i';
}
if (regExp.multiline) {
flags += 'm';
}
if (regExp.unicode) {
flags += 'u';
}
if (regExp.sticky) {
flags += 'y';
}
return flags;
};
var toStringFunction = Function.prototype.toString;
var create = Object.create, defineProperty = Object.defineProperty, getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor, getOwnPropertyNames = Object.getOwnPropertyNames, getOwnPropertySymbols = Object.getOwnPropertySymbols, getPrototypeOf$1 = Object.getPrototypeOf;
var _a = Object.prototype, hasOwnProperty = _a.hasOwnProperty, propertyIsEnumerable = _a.propertyIsEnumerable;
var SYMBOL_PROPERTIES = typeof getOwnPropertySymbols === 'function';
var WEAK_MAP = typeof WeakMap === 'function';
/**
* @function createCache
*
* @description
* get a new cache object to prevent circular references
*
* @returns the new cache object
*/
var createCache = (function () {
if (WEAK_MAP) {
return function () { return new WeakMap(); };
}
var Cache = /** @class */ (function () {
function Cache() {
this._keys = [];
this._values = [];
}
Cache.prototype.has = function (key) {
return !!~this._keys.indexOf(key);
};
Cache.prototype.get = function (key) {
return this._values[this._keys.indexOf(key)];
};
Cache.prototype.set = function (key, value) {
this._keys.push(key);
this._values.push(value);
};
return Cache;
}());
return function () { return new Cache(); };
})();
/**
* @function getCleanClone
*
* @description
* get an empty version of the object with the same prototype it has
*
* @param object the object to build a clean clone from
* @param realm the realm the object resides in
* @returns the empty cloned object
*/
var getCleanClone = function (object, realm) {
var prototype = object.__proto__ || getPrototypeOf$1(object);
if (!prototype) {
return create(null);
}
var Constructor = prototype.constructor;
if (Constructor === realm.Object) {
return prototype === realm.Object.prototype ? {} : create(prototype);
}
if (~toStringFunction.call(Constructor).indexOf('[native code]')) {
try {
return new Constructor();
}
catch (_a) { }
}
return create(prototype);
};
/**
* @function getObjectCloneLoose
*
* @description
* get a copy of the object based on loose rules, meaning all enumerable keys
* and symbols are copied, but property descriptors are not considered
*
* @param object the object to clone
* @param realm the realm the object resides in
* @param handleCopy the function that handles copying the object
* @returns the copied object
*/
var getObjectCloneLoose = function (object, realm, handleCopy, cache) {
var clone = getCleanClone(object, realm);
// set in the cache immediately to be able to reuse the object recursively
cache.set(object, clone);
for (var key in object) {
if (hasOwnProperty.call(object, key)) {
clone[key] = handleCopy(object[key], cache);
}
}
if (SYMBOL_PROPERTIES) {
var symbols = getOwnPropertySymbols(object);
for (var index = 0, length_1 = symbols.length, symbol = void 0; index < length_1; ++index) {
symbol = symbols[index];
if (propertyIsEnumerable.call(object, symbol)) {
clone[symbol] = handleCopy(object[symbol], cache);
}
}
}
return clone;
};
/**
* @function getObjectCloneStrict
*
* @description
* get a copy of the object based on strict rules, meaning all keys and symbols
* are copied based on the original property descriptors
*
* @param object the object to clone
* @param realm the realm the object resides in
* @param handleCopy the function that handles copying the object
* @returns the copied object
*/
var getObjectCloneStrict = function (object, realm, handleCopy, cache) {
var clone = getCleanClone(object, realm);
// set in the cache immediately to be able to reuse the object recursively
cache.set(object, clone);
var properties = SYMBOL_PROPERTIES
? getOwnPropertyNames(object).concat(getOwnPropertySymbols(object))
: getOwnPropertyNames(object);
for (var index = 0, length_2 = properties.length, property = void 0, descriptor = void 0; index < length_2; ++index) {
property = properties[index];
if (property !== 'callee' && property !== 'caller') {
descriptor = getOwnPropertyDescriptor(object, property);
if (descriptor) {
// Only clone the value if actually a value, not a getter / setter.
if (!descriptor.get && !descriptor.set) {
descriptor.value = handleCopy(object[property], cache);
}
try {
defineProperty(clone, property, descriptor);
}
catch (error) {
// Tee above can fail on node in edge cases, so fall back to the loose assignment.
clone[property] = descriptor.value;
}
}
else {
// In extra edge cases where the property descriptor cannot be retrived, fall back to
// the loose assignment.
clone[property] = handleCopy(object[property], cache);
}
}
}
return clone;
};
/**
* @function getRegExpFlags
*
* @description
* get the flags to apply to the copied regexp
*
* @param regExp the regexp to get the flags of
* @returns the flags for the regexp
*/
var getRegExpFlags = function (regExp) {
var flags = '';
if (regExp.global) {
flags += 'g';
}
if (regExp.ignoreCase) {
flags += 'i';
}
if (regExp.multiline) {
flags += 'm';
}
if (regExp.unicode) {
flags += 'u';
}
if (regExp.sticky) {
flags += 'y';
}
return flags;
};
// utils
var isArray = Array.isArray;
var GLOBAL_THIS = (function () {
if (typeof self !== 'undefined') {
return self;
}
if (typeof window !== 'undefined') {
return window;
}
if (typeof global !== 'undefined') {
return global;
}
if (console && console.error) {
console.error('Unable to locate global object, returning "this".');
}
})();
/**
* @function copy
*
* @description
* copy an object deeply as much as possible
*
* If `strict` is applied, then all properties (including non-enumerable ones)
* are copied with their original property descriptors on both objects and arrays.
*
* The object is compared to the global constructors in the `realm` provided,
* and the native constructor is always used to ensure that extensions of native
* objects (allows in ES2015+) are maintained.
*
* @param object the object to copy
* @param [options] the options for copying with
* @param [options.isStrict] should the copy be strict
* @param [options.realm] the realm (this) object the object is copied from
* @returns the copied object
*/
function copy(object, options) {
// manually coalesced instead of default parameters for performance
var isStrict = !!(options && options.isStrict);
var realm = (options && options.realm) || GLOBAL_THIS;
var getObjectClone = isStrict
? getObjectCloneStrict
: getObjectCloneLoose;
/**
* @function handleCopy
*
* @description
* copy the object recursively based on its type
*
* @param object the object to copy
* @returns the copied object
*/
var handleCopy = function (object, cache) {
if (!object || typeof object !== 'object') {
return object;
}
if (cache.has(object)) {
return cache.get(object);
}
var Constructor = object.constructor;
// plain objects
if (Constructor === realm.Object) {
return getObjectClone(object, realm, handleCopy, cache);
}
var clone;
// arrays
if (isArray(object)) {
// if strict, include non-standard properties
if (isStrict) {
return getObjectCloneStrict(object, realm, handleCopy, cache);
}
var length_1 = object.length;
clone = new Constructor();
cache.set(object, clone);
for (var index = 0; index < length_1; index++) {
clone[index] = handleCopy(object[index], cache);
}
return clone;
}
// dates
if (object instanceof realm.Date) {
return new Constructor(object.getTime());
}
// regexps
if (object instanceof realm.RegExp) {
clone = new Constructor(object.source, object.flags || getRegExpFlags(object));
clone.lastIndex = object.lastIndex;
return clone;
}
// maps
if (realm.Map && object instanceof realm.Map) {
clone = new Constructor();
cache.set(object, clone);
object.forEach(function (value, key) {
clone.set(key, handleCopy(value, cache));
});
return clone;
}
// sets
if (realm.Set && object instanceof realm.Set) {
clone = new Constructor();
cache.set(object, clone);
object.forEach(function (value) {
clone.add(handleCopy(value, cache));
});
return clone;
}
// blobs
if (realm.Blob && object instanceof realm.Blob) {
return object.slice(0, object.size, object.type);
}
// buffers (node-only)
if (realm.Buffer && realm.Buffer.isBuffer(object)) {
clone = realm.Buffer.allocUnsafe
? realm.Buffer.allocUnsafe(object.length)
: new Constructor(object.length);
cache.set(object, clone);
object.copy(clone);
return clone;
}
// arraybuffers / dataviews
if (realm.ArrayBuffer) {
// dataviews
if (realm.ArrayBuffer.isView(object)) {
clone = new Constructor(object.buffer.slice(0));
cache.set(object, clone);
return clone;
}
// arraybuffers
if (object instanceof realm.ArrayBuffer) {
clone = object.slice(0);
cache.set(object, clone);
return clone;
}
}
// if the object cannot / should not be cloned, don't
if (
// promise-like
typeof object.then === 'function' ||
// errors
object instanceof Error ||
// weakmaps
(realm.WeakMap && object instanceof realm.WeakMap) ||
// weaksets
(realm.WeakSet && object instanceof realm.WeakSet)) {
return object;
}
// assume anything left is a custom constructor
return getObjectClone(object, realm, handleCopy, cache);
};
return handleCopy(object, createCache());
}
// Adding reference to allow usage in CommonJS libraries compiled using TSC, which
// expects there to be a default property on the exported object. See
// [#37](https://github.com/planttheidea/fast-copy/issues/37) for details.
copy.default = copy;
/**
* @function strictCopy
*
* @description
* copy the object with `strict` option pre-applied
*
* @param object the object to copy
* @param [options] the options for copying with
* @param [options.realm] the realm (this) object the object is copied from
* @returns the copied object
*/
copy.strict = function strictCopy(object, options) {
return copy(object, {
isStrict: true,
realm: options ? options.realm : void 0,
});
};
// utils
var isArray = Array.isArray;
var getPrototypeOf = Object.getPrototypeOf;
var GLOBAL_THIS = (function () {
if (typeof globalThis !== 'undefined') {
return globalThis;
}
if (typeof self !== 'undefined') {
return self;
}
if (typeof window !== 'undefined') {
return window;
}
if (typeof global !== 'undefined') {
return global;
}
if (console && console.error) {
console.error('Unable to locate global object, returning "this".');
}
return this;
})();
/**
* @function copy
*
* @description
* copy an value deeply as much as possible
*
* If `strict` is applied, then all properties (including non-enumerable ones)
* are copied with their original property descriptors on both objects and arrays.
*
* The value is compared to the global constructors in the `realm` provided,
* and the native constructor is always used to ensure that extensions of native
* objects (allows in ES2015+) are maintained.
*
* @param value the value to copy
* @param [options] the options for copying with
* @param [options.isStrict] should the copy be strict
* @param [options.realm] the realm (this) value the value is copied from
* @returns the copied value
*/
function copy(value, options) {
// manually coalesced instead of default parameters for performance
var isStrict = !!(options && options.isStrict);
var realm = (options && options.realm) || GLOBAL_THIS;
var getObjectClone = isStrict ? getObjectCloneStrict : getObjectCloneLoose;
/**
* @function handleCopy
*
* @description
* copy the value recursively based on its type
*
* @param value the value to copy
* @returns the copied value
*/
var handleCopy = function (value, cache) {
if (!value || typeof value !== 'object') {
return value;
}
if (cache.has(value)) {
return cache.get(value);
}
var prototype = value.__proto__ || getPrototypeOf(value);
var Constructor = prototype && prototype.constructor;
// plain objects
if (!Constructor || Constructor === realm.Object) {
return getObjectClone(value, realm, handleCopy, cache);
}
var clone;
// arrays
if (isArray(value)) {
// if strict, include non-standard properties
if (isStrict) {
return getObjectCloneStrict(value, realm, handleCopy, cache);
}
clone = new Constructor();
cache.set(value, clone);
for (var index = 0, length_1 = value.length; index < length_1; ++index) {
clone[index] = handleCopy(value[index], cache);
}
return clone;
}
// dates
if (value instanceof realm.Date) {
return new Constructor(value.getTime());
}
// regexps
if (value instanceof realm.RegExp) {
clone = new Constructor(value.source, value.flags || getRegExpFlags(value));
clone.lastIndex = value.lastIndex;
return clone;
}
// maps
if (realm.Map && value instanceof realm.Map) {
clone = new Constructor();
cache.set(value, clone);
value.forEach(function (value, key) {
clone.set(key, handleCopy(value, cache));
});
return clone;
}
// sets
if (realm.Set && value instanceof realm.Set) {
clone = new Constructor();
cache.set(value, clone);
value.forEach(function (value) {
clone.add(handleCopy(value, cache));
});
return clone;
}
// blobs
if (realm.Blob && value instanceof realm.Blob) {
return value.slice(0, value.size, value.type);
}
// buffers (node-only)
if (realm.Buffer && realm.Buffer.isBuffer(value)) {
clone = realm.Buffer.allocUnsafe
? realm.Buffer.allocUnsafe(value.length)
: new Constructor(value.length);
cache.set(value, clone);
value.copy(clone);
return clone;
}
// arraybuffers / dataviews
if (realm.ArrayBuffer) {
// dataviews
if (realm.ArrayBuffer.isView(value)) {
clone = new Constructor(value.buffer.slice(0));
cache.set(value, clone);
return clone;
}
// arraybuffers
if (value instanceof realm.ArrayBuffer) {
clone = value.slice(0);
cache.set(value, clone);
return clone;
}
}
// if the value cannot / should not be cloned, don't
if (
// promise-like
typeof value.then === 'function' ||
// errors
value instanceof Error ||
// weakmaps
(realm.WeakMap && value instanceof realm.WeakMap) ||
// weaksets
(realm.WeakSet && value instanceof realm.WeakSet)) {
return value;
}
// assume anything left is a custom constructor
return getObjectClone(value, realm, handleCopy, cache);
};
return handleCopy(value, createCache());
}
// Adding reference to allow usage in CommonJS libraries compiled using TSC, which
// expects there to be a default property on the exported value. See
// [#37](https://github.com/planttheidea/fast-copy/issues/37) for details.
copy.default = copy;
/**
* @function strictCopy
*
* @description
* copy the value with `strict` option pre-applied
*
* @param value the value to copy
* @param [options] the options for copying with
* @param [options.realm] the realm (this) value the value is copied from
* @returns the copied value
*/
copy.strict = function strictCopy(value, options) {
return copy(value, {
isStrict: true,
realm: options ? options.realm : void 0,
});
};
return copy;
return copy;
})));
}));
//# sourceMappingURL=fast-copy.js.map

2

dist/fast-copy.min.js

@@ -1,1 +0,1 @@

!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self)["fast-copy"]=t()}(this,(function(){"use strict";var e=Function.prototype.toString,t=Object.create,r=Object.defineProperty,n=Object.getOwnPropertyDescriptor,o=Object.getOwnPropertyNames,f=Object.getOwnPropertySymbols,i=Object.getPrototypeOf,a=Object.prototype,c=a.hasOwnProperty,u=a.propertyIsEnumerable,s="function"==typeof f,l="function"==typeof WeakMap,p=function(r,n){if(!r.constructor)return t(null);var o=r.constructor,f=r.__proto__||i(r);if(o===n.Object)return f===n.Object.prototype?{}:t(f);if(~e.call(o).indexOf("[native code]"))try{return new o}catch(e){}return t(f)},y=function(e,t,r,n){var o=p(e,t);for(var i in n.set(e,o),e)c.call(e,i)&&(o[i]=r(e[i],n));if(s){var a=f(e),l=a.length;if(l)for(var y=0,d=void 0;y<l;y++)d=a[y],u.call(e,d)&&(o[d]=r(e[d],n))}return o},d=function(e,t,i,a){var c=p(e,t);a.set(e,c);var u=s?o(e).concat(f(e)):o(e),l=u.length;if(l)for(var y=0,d=void 0,b=void 0;y<l;y++)if("callee"!==(d=u[y])&&"caller"!==d)if(b=n(e,d)){b.get||b.set||(b.value=i(e[d],a));try{r(c,d,b)}catch(e){c[d]=b.value}}else c[d]=i(e[d],a);return c},b=Array.isArray,g="undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:void(console&&console.error&&console.error('Unable to locate global object, returning "this".'));function v(e,r){var n=!(!r||!r.isStrict),o=r&&r.realm||g,f=n?d:y,i=function(e,t){if(!e||"object"!=typeof e)return e;if(t.has(e))return t.get(e);var r,a,c,u=e.constructor;if(u===o.Object)return f(e,o,i,t);if(b(e)){if(n)return d(e,o,i,t);var s=e.length;r=new u,t.set(e,r);for(var l=0;l<s;l++)r[l]=i(e[l],t);return r}if(e instanceof o.Date)return new u(e.getTime());if(e instanceof o.RegExp)return(r=new u(e.source,e.flags||(c="",(a=e).global&&(c+="g"),a.ignoreCase&&(c+="i"),a.multiline&&(c+="m"),a.unicode&&(c+="u"),a.sticky&&(c+="y"),c))).lastIndex=e.lastIndex,r;if(o.Map&&e instanceof o.Map)return r=new u,t.set(e,r),e.forEach((function(e,n){r.set(n,i(e,t))})),r;if(o.Set&&e instanceof o.Set)return r=new u,t.set(e,r),e.forEach((function(e){r.add(i(e,t))})),r;if(o.Blob&&e instanceof o.Blob)return e.slice(0,e.size,e.type);if(o.Buffer&&o.Buffer.isBuffer(e))return r=o.Buffer.allocUnsafe?o.Buffer.allocUnsafe(e.length):new u(e.length),t.set(e,r),e.copy(r),r;if(o.ArrayBuffer){if(o.ArrayBuffer.isView(e))return r=new u(e.buffer.slice(0)),t.set(e,r),r;if(e instanceof o.ArrayBuffer)return r=e.slice(0),t.set(e,r),r}return"function"==typeof e.then||e instanceof Error||o.WeakMap&&e instanceof o.WeakMap||o.WeakSet&&e instanceof o.WeakSet?e:f(e,o,i,t)};return i(e,function(){if(l)return new WeakMap;var e=t({has:function(t){return!!~e._keys.indexOf(t)},set:function(t,r){e._keys.push(t),e._values.push(r)},get:function(t){return e._values[e._keys.indexOf(t)]}});return e._keys=[],e._values=[],e}())}return v.default=v,v.strict=function(e,t){return v(e,{isStrict:!0,realm:t?t.realm:void 0})},v}));
!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e="undefined"!=typeof globalThis?globalThis:e||self)["fast-copy"]=t()}(this,(function(){"use strict";var e=Function.prototype.toString,t=Object.create,n=Object.defineProperty,r=Object.getOwnPropertyDescriptor,o=Object.getOwnPropertyNames,i=Object.getOwnPropertySymbols,f=Object.getPrototypeOf,u=Object.prototype,a=u.hasOwnProperty,c=u.propertyIsEnumerable,s="function"==typeof i,l="function"==typeof WeakMap,p=function(){if(l)return function(){return new WeakMap};var e=function(){function e(){this._keys=[],this._values=[]}return e.prototype.has=function(e){return!!~this._keys.indexOf(e)},e.prototype.get=function(e){return this._values[this._keys.indexOf(e)]},e.prototype.set=function(e,t){this._keys.push(e),this._values.push(t)},e}();return function(){return new e}}(),y=function(n,r){var o=n.__proto__||f(n);if(!o)return t(null);var i=o.constructor;if(i===r.Object)return o===r.Object.prototype?{}:t(o);if(~e.call(i).indexOf("[native code]"))try{return new i}catch(e){}return t(o)},d=function(e,t,n,r){var o=y(e,t);for(var f in r.set(e,o),e)a.call(e,f)&&(o[f]=n(e[f],r));if(s)for(var u=i(e),l=0,p=u.length,d=void 0;l<p;++l)d=u[l],c.call(e,d)&&(o[d]=n(e[d],r));return o},h=function(e,t,f,u){var a=y(e,t);u.set(e,a);for(var c=s?o(e).concat(i(e)):o(e),l=0,p=c.length,d=void 0,h=void 0;l<p;++l)if("callee"!==(d=c[l])&&"caller"!==d)if(h=r(e,d)){h.get||h.set||(h.value=f(e[d],u));try{n(a,d,h)}catch(e){a[d]=h.value}}else a[d]=f(e[d],u);return a},b=Array.isArray,g=Object.getPrototypeOf,v=function(){return"undefined"!=typeof globalThis?globalThis:"undefined"!=typeof self?self:"undefined"!=typeof window?window:"undefined"!=typeof global?global:(console&&console.error&&console.error('Unable to locate global object, returning "this".'),this)}();function O(e,t){var n=!(!t||!t.isStrict),r=t&&t.realm||v,o=n?h:d,i=function(e,t){if(!e||"object"!=typeof e)return e;if(t.has(e))return t.get(e);var f,u,a,c=e.__proto__||g(e),s=c&&c.constructor;if(!s||s===r.Object)return o(e,r,i,t);if(b(e)){if(n)return h(e,r,i,t);f=new s,t.set(e,f);for(var l=0,p=e.length;l<p;++l)f[l]=i(e[l],t);return f}if(e instanceof r.Date)return new s(e.getTime());if(e instanceof r.RegExp)return(f=new s(e.source,e.flags||(a="",(u=e).global&&(a+="g"),u.ignoreCase&&(a+="i"),u.multiline&&(a+="m"),u.unicode&&(a+="u"),u.sticky&&(a+="y"),a))).lastIndex=e.lastIndex,f;if(r.Map&&e instanceof r.Map)return f=new s,t.set(e,f),e.forEach((function(e,n){f.set(n,i(e,t))})),f;if(r.Set&&e instanceof r.Set)return f=new s,t.set(e,f),e.forEach((function(e){f.add(i(e,t))})),f;if(r.Blob&&e instanceof r.Blob)return e.slice(0,e.size,e.type);if(r.Buffer&&r.Buffer.isBuffer(e))return f=r.Buffer.allocUnsafe?r.Buffer.allocUnsafe(e.length):new s(e.length),t.set(e,f),e.copy(f),f;if(r.ArrayBuffer){if(r.ArrayBuffer.isView(e))return f=new s(e.buffer.slice(0)),t.set(e,f),f;if(e instanceof r.ArrayBuffer)return f=e.slice(0),t.set(e,f),f}return"function"==typeof e.then||e instanceof Error||r.WeakMap&&e instanceof r.WeakMap||r.WeakSet&&e instanceof r.WeakSet?e:o(e,r,i,t)};return i(e,p())}return O.default=O,O.strict=function(e,t){return O(e,{isStrict:!0,realm:t?t.realm:void 0})},O}));

28

index.d.ts
declare namespace FastCopy {
// @ts-ignore
export type Realm = Window | Global;
export type Realm = Record<string, any>;
export interface Cache {
_keys?: any[];
_values?: any[];
add: (value: any) => void;
has: (value: any) => boolean;
set: (key: any, value: any) => void;
get: (key: any) => any;
}
export type Copier = (object: any, cache: Cache) => any;
export type Copier = <Value = any>(value: Value, cache: Cache) => Value;
export type ObjectCloner = (object: any, realm: Realm, handleCopy: Copier, cache: Cache) => any;
export type ObjectCloner = <Value>(
object: Value,
realm: Realm,
handleCopy: Copier,
cache: Cache,
) => Value;

@@ -21,14 +27,14 @@ export type Options = {

declare function copy<ObjectType extends any = any>(
object: ObjectType,
declare function copy<Value = any>(
value: Value,
options?: FastCopy.Options,
): ObjectType;
): Value;
declare namespace copy {
function strictCopy<ObjectType extends any = any>(
object: ObjectType,
function strictCopy<Value = any>(
value: Value,
options?: FastCopy.Options,
): ObjectType;
): Value;
}
export default copy;

57

package.json

@@ -12,33 +12,36 @@ {

"devDependencies": {
"@types/jest": "^26.0.0",
"@types/lodash": "^4.14.155",
"@types/node": "^14.0.13",
"@types/ramda": "^0.27.6",
"@types/react": "^16.9.38",
"@rollup/plugin-node-resolve": "^13.1.3",
"@rollup/plugin-typescript": "^8.3.1",
"@types/eslint": "^8.4.1",
"@types/jest": "^27.4.1",
"@types/lodash": "^4.14.181",
"@types/node": "^17.0.23",
"@types/ramda": "^0.28.7",
"@types/react": "^17.0.43",
"@typescript-eslint/eslint-plugin": "^5.18.0",
"@typescript-eslint/parser": "^5.18.0",
"benchee": "^1.0.3",
"cli-table2": "^0.2.0",
"cli-table3": "^0.6.1",
"clone": "^2.1.2",
"deepclone": "^1.0.2",
"eslint": "^8.12.0",
"eslint-webpack-plugin": "^3.1.1",
"fast-clone": "^1.5.3",
"html-webpack-plugin": "^4.3.0",
"html-webpack-plugin": "^5.5.0",
"in-publish": "^2.0.1",
"jest": "^26.0.1",
"jest": "^27.5.1",
"lodash": "^4.17.11",
"nyc": "^15.1.0",
"ramda": "^0.27.0",
"react": "^16.13.1",
"react-dom": "^16.13.1",
"rollup": "^2.17.0",
"rollup-plugin-node-resolve": "^5.2.0",
"rollup-plugin-terser": "^6.1.0",
"rollup-plugin-typescript2": "^0.27.1",
"ts-jest": "^26.1.0",
"ts-loader": "^7.0.5",
"tslint": "^6.1.2",
"tslint-config-airbnb": "^5.11.2",
"tslint-loader": "^3.5.4",
"typescript": "^3.9.5",
"webpack": "^4.43.0",
"webpack-cli": "^3.3.11",
"webpack-dev-server": "^3.11.0"
"ramda": "^0.28.0",
"react": "^18.0.0",
"react-dom": "^18.0.0",
"release-it": "^14.14.0",
"rollup": "^2.70.1",
"rollup-plugin-terser": "^7.0.2",
"ts-jest": "^27.1.4",
"ts-loader": "^9.2.8",
"typescript": "^4.6.3",
"webpack": "^5.71.0",
"webpack-cli": "^4.9.2",
"webpack-dev-server": "^4.8.1"
},

@@ -64,5 +67,5 @@ "homepage": "https://github.com/planttheidea/fast-copy#readme",

"clean": "rimraf dist",
"dev": "NODE_ENV=development webpack-dev-server --colors --progress --config=webpack/webpack.config.js",
"dev": "NODE_ENV=development webpack-dev-server --config=webpack/webpack.config.js",
"dist": "npm run clean && npm run build",
"lint": "NODE_ENV=test tslint 'src/*.ts'",
"lint": "eslint 'src/*.ts'",
"lint:fix": "npm run lint -- --fix",

@@ -80,3 +83,3 @@ "prepublishOnly": "npm run lint && npm run typecheck && npm run test && npm run dist",

"types": "index.d.ts",
"version": "2.1.1"
"version": "2.1.2"
}
dist/fast-copy.cjs.js.map

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dist/fast-copy.esm.js.map

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dist/fast-copy.js.map

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