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-
-
-
- (function(global){
- "use strict";
- if (typeof WeakMap === "undefined") {
- global.WeakMap = function(){};
- global.WeakMap.prototype = {
- get: function(k) { return undefined; },
- set: function(k,v) { throw new Error("WeakMap not supported"); }
- };
- }
- function isStandardAttribute(name) {
- return /^(get|set|value|writable|enumerable|configurable)$/.test(name);
- }
- function toPropertyDescriptor(obj) {
- if (Object(obj) !== obj) {
- throw new TypeError("property descriptor should be an Object, given: "+
- obj);
- }
- var desc = {};
- if ('enumerable' in obj) { desc.enumerable = !!obj.enumerable; }
- if ('configurable' in obj) { desc.configurable = !!obj.configurable; }
- if ('value' in obj) { desc.value = obj.value; }
- if ('writable' in obj) { desc.writable = !!obj.writable; }
- if ('get' in obj) {
- var getter = obj.get;
- if (getter !== undefined && typeof getter !== "function") {
- throw new TypeError("property descriptor 'get' attribute must be "+
- "callable or undefined, given: "+getter);
- }
- desc.get = getter;
- }
- if ('set' in obj) {
- var setter = obj.set;
- if (setter !== undefined && typeof setter !== "function") {
- throw new TypeError("property descriptor 'set' attribute must be "+
- "callable or undefined, given: "+setter);
- }
- desc.set = setter;
- }
- if ('get' in desc || 'set' in desc) {
- if ('value' in desc || 'writable' in desc) {
- throw new TypeError("property descriptor cannot be both a data and an "+
- "accessor descriptor: "+obj);
- }
- }
- return desc;
- }
- function isAccessorDescriptor(desc) {
- if (desc === undefined) return false;
- return ('get' in desc || 'set' in desc);
- }
- function isDataDescriptor(desc) {
- if (desc === undefined) return false;
- return ('value' in desc || 'writable' in desc);
- }
- function isGenericDescriptor(desc) {
- if (desc === undefined) return false;
- return !isAccessorDescriptor(desc) && !isDataDescriptor(desc);
- }
- function toCompletePropertyDescriptor(desc) {
- var internalDesc = toPropertyDescriptor(desc);
- if (isGenericDescriptor(internalDesc) || isDataDescriptor(internalDesc)) {
- if (!('value' in internalDesc)) { internalDesc.value = undefined; }
- if (!('writable' in internalDesc)) { internalDesc.writable = false; }
- } else {
- if (!('get' in internalDesc)) { internalDesc.get = undefined; }
- if (!('set' in internalDesc)) { internalDesc.set = undefined; }
- }
- if (!('enumerable' in internalDesc)) { internalDesc.enumerable = false; }
- if (!('configurable' in internalDesc)) { internalDesc.configurable = false; }
- return internalDesc;
- }
- function isEmptyDescriptor(desc) {
- return !('get' in desc) &&
- !('set' in desc) &&
- !('value' in desc) &&
- !('writable' in desc) &&
- !('enumerable' in desc) &&
- !('configurable' in desc);
- }
- function isEquivalentDescriptor(desc1, desc2) {
- return sameValue(desc1.get, desc2.get) &&
- sameValue(desc1.set, desc2.set) &&
- sameValue(desc1.value, desc2.value) &&
- sameValue(desc1.writable, desc2.writable) &&
- sameValue(desc1.enumerable, desc2.enumerable) &&
- sameValue(desc1.configurable, desc2.configurable);
- }
- function sameValue(x, y) {
- if (x === y) {
-
- return x !== 0 || 1 / x === 1 / y;
- }
-
-
-
-
-
- return x !== x && y !== y;
- }
- function normalizeAndCompletePropertyDescriptor(attributes) {
- if (attributes === undefined) { return undefined; }
- var desc = toCompletePropertyDescriptor(attributes);
-
-
- for (var name in attributes) {
- if (!isStandardAttribute(name)) {
- Object.defineProperty(desc, name,
- { value: attributes[name],
- writable: true,
- enumerable: true,
- configurable: true });
- }
- }
- return desc;
- }
- function normalizePropertyDescriptor(attributes) {
- var desc = toPropertyDescriptor(attributes);
-
-
- for (var name in attributes) {
- if (!isStandardAttribute(name)) {
- Object.defineProperty(desc, name,
- { value: attributes[name],
- writable: true,
- enumerable: true,
- configurable: true });
- }
- }
- return desc;
- }
- var prim_preventExtensions = Object.preventExtensions,
- prim_seal = Object.seal,
- prim_freeze = Object.freeze,
- prim_isExtensible = Object.isExtensible,
- prim_isSealed = Object.isSealed,
- prim_isFrozen = Object.isFrozen,
- prim_getPrototypeOf = Object.getPrototypeOf,
- prim_getOwnPropertyDescriptor = Object.getOwnPropertyDescriptor,
- prim_defineProperty = Object.defineProperty,
- prim_defineProperties = Object.defineProperties,
- prim_keys = Object.keys,
- prim_getOwnPropertyNames = Object.getOwnPropertyNames,
- prim_getOwnPropertySymbols = Object.getOwnPropertySymbols,
- prim_assign = Object.assign,
- prim_isArray = Array.isArray,
- prim_concat = Array.prototype.concat,
- prim_isPrototypeOf = Object.prototype.isPrototypeOf,
- prim_hasOwnProperty = Object.prototype.hasOwnProperty;
- var Object_isFrozen,
- Object_isSealed,
- Object_isExtensible,
- Object_getPrototypeOf,
- Object_getOwnPropertyNames;
- function isFixed(name, target) {
- return ({}).hasOwnProperty.call(target, name);
- }
- function isSealed(name, target) {
- var desc = Object.getOwnPropertyDescriptor(target, name);
- if (desc === undefined) { return false; }
- return desc.configurable === false;
- }
- function isSealedDesc(desc) {
- return desc !== undefined && desc.configurable === false;
- }
- function isCompatibleDescriptor(extensible, current, desc) {
- if (current === undefined && extensible === false) {
- return false;
- }
- if (current === undefined && extensible === true) {
- return true;
- }
- if (isEmptyDescriptor(desc)) {
- return true;
- }
- if (isEquivalentDescriptor(current, desc)) {
- return true;
- }
- if (current.configurable === false) {
- if (desc.configurable === true) {
- return false;
- }
- if ('enumerable' in desc && desc.enumerable !== current.enumerable) {
- return false;
- }
- }
- if (isGenericDescriptor(desc)) {
- return true;
- }
- if (isDataDescriptor(current) !== isDataDescriptor(desc)) {
- if (current.configurable === false) {
- return false;
- }
- return true;
- }
- if (isDataDescriptor(current) && isDataDescriptor(desc)) {
- if (current.configurable === false) {
- if (current.writable === false && desc.writable === true) {
- return false;
- }
- if (current.writable === false) {
- if ('value' in desc && !sameValue(desc.value, current.value)) {
- return false;
- }
- }
- }
- return true;
- }
- if (isAccessorDescriptor(current) && isAccessorDescriptor(desc)) {
- if (current.configurable === false) {
- if ('set' in desc && !sameValue(desc.set, current.set)) {
- return false;
- }
- if ('get' in desc && !sameValue(desc.get, current.get)) {
- return false;
- }
- }
- }
- return true;
- }
- function setIntegrityLevel(target, level) {
- var ownProps = Object_getOwnPropertyNames(target);
- var pendingException = undefined;
- if (level === "sealed") {
- var l = +ownProps.length;
- var k;
- for (var i = 0; i < l; i++) {
- k = String(ownProps[i]);
- try {
- Object.defineProperty(target, k, { configurable: false });
- } catch (e) {
- if (pendingException === undefined) {
- pendingException = e;
- }
- }
- }
- } else {
-
- var l = +ownProps.length;
- var k;
- for (var i = 0; i < l; i++) {
- k = String(ownProps[i]);
- try {
- var currentDesc = Object.getOwnPropertyDescriptor(target, k);
- if (currentDesc !== undefined) {
- var desc;
- if (isAccessorDescriptor(currentDesc)) {
- desc = { configurable: false }
- } else {
- desc = { configurable: false, writable: false }
- }
- Object.defineProperty(target, k, desc);
- }
- } catch (e) {
- if (pendingException === undefined) {
- pendingException = e;
- }
- }
- }
- }
- if (pendingException !== undefined) {
- throw pendingException;
- }
- return Reflect.preventExtensions(target);
- }
- function testIntegrityLevel(target, level) {
- var isExtensible = Object_isExtensible(target);
- if (isExtensible) return false;
-
- var ownProps = Object_getOwnPropertyNames(target);
- var pendingException = undefined;
- var configurable = false;
- var writable = false;
-
- var l = +ownProps.length;
- var k;
- var currentDesc;
- for (var i = 0; i < l; i++) {
- k = String(ownProps[i]);
- try {
- currentDesc = Object.getOwnPropertyDescriptor(target, k);
- configurable = configurable || currentDesc.configurable;
- if (isDataDescriptor(currentDesc)) {
- writable = writable || currentDesc.writable;
- }
- } catch (e) {
- if (pendingException === undefined) {
- pendingException = e;
- configurable = true;
- }
- }
- }
- if (pendingException !== undefined) {
- throw pendingException;
- }
- if (level === "frozen" && writable === true) {
- return false;
- }
- if (configurable === true) {
- return false;
- }
- return true;
- }
- function Validator(target, handler) {
-
-
-
-
- this.target = target;
- this.handler = handler;
- }
- Validator.prototype = {
-
- getTrap: function(trapName) {
- var trap = this.handler[trapName];
- if (trap === undefined) {
-
-
- return undefined;
- }
- if (typeof trap !== "function") {
- throw new TypeError(trapName + " trap is not callable: "+trap);
- }
- return trap;
- },
-
-
- getOwnPropertyDescriptor: function(name) {
- "use strict";
- var trap = this.getTrap("getOwnPropertyDescriptor");
- if (trap === undefined) {
- return Reflect.getOwnPropertyDescriptor(this.target, name);
- }
- name = String(name);
- var desc = trap.call(this.handler, this.target, name);
- desc = normalizeAndCompletePropertyDescriptor(desc);
- var targetDesc = Object.getOwnPropertyDescriptor(this.target, name);
- var extensible = Object.isExtensible(this.target);
- if (desc === undefined) {
- if (isSealedDesc(targetDesc)) {
- throw new TypeError("cannot report non-configurable property '"+name+
- "' as non-existent");
- }
- if (!extensible && targetDesc !== undefined) {
-
-
-
-
- throw new TypeError("cannot report existing own property '"+name+
- "' as non-existent on a non-extensible object");
- }
- return undefined;
- }
-
-
-
-
- if (!extensible) {
- if (targetDesc === undefined) {
- throw new TypeError("cannot report a new own property '"+
- name + "' on a non-extensible object");
- }
- }
- if (name !== undefined) {
- if (!isCompatibleDescriptor(extensible, targetDesc, desc)) {
- throw new TypeError("cannot report incompatible property descriptor "+
- "for property '"+name+"'");
- }
- }
-
- if (desc.configurable === false) {
- if (targetDesc === undefined || targetDesc.configurable === true) {
-
-
-
-
-
- throw new TypeError(
- "cannot report a non-configurable descriptor " +
- "for configurable or non-existent property '" + name + "'");
- }
- if ('writable' in desc && desc.writable === false) {
- if (targetDesc.writable === true) {
-
-
-
-
-
- throw new TypeError(
- "cannot report non-configurable, writable property '" + name +
- "' as non-configurable, non-writable");
- }
- }
- }
- return desc;
- },
-
- getPropertyDescriptor: function(name) {
- var handler = this;
- if (!handler.has(name)) return undefined;
- return {
- get: function() {
- return handler.get(this, name);
- },
- set: function(val) {
- if (handler.set(this, name, val)) {
- return val;
- } else {
- throw new TypeError("failed assignment to "+name);
- }
- },
- enumerable: true,
- configurable: true
- };
- },
-
- defineProperty: function(name, desc) {
-
-
-
-
-
-
-
-
-
- var trap = this.getTrap("defineProperty");
- if (trap === undefined) {
-
- return Reflect.defineProperty(this.target, name, desc);
- }
- name = String(name);
- var descObj = normalizePropertyDescriptor(desc);
- var success = trap.call(this.handler, this.target, name, descObj);
- success = !!success;
- if (success === true) {
- var targetDesc = Object.getOwnPropertyDescriptor(this.target, name);
- var extensible = Object.isExtensible(this.target);
-
-
- if (!extensible) {
- if (targetDesc === undefined) {
- throw new TypeError("cannot successfully add a new property '"+
- name + "' to a non-extensible object");
- }
- }
- if (targetDesc !== undefined) {
- if (!isCompatibleDescriptor(extensible, targetDesc, desc)) {
- throw new TypeError("cannot define incompatible property "+
- "descriptor for property '"+name+"'");
- }
- if (isDataDescriptor(targetDesc) &&
- targetDesc.configurable === false &&
- targetDesc.writable === true) {
- if (desc.configurable === false && desc.writable === false) {
-
-
-
-
-
-
- throw new TypeError(
- "cannot successfully define non-configurable, writable " +
- " property '" + name + "' as non-configurable, non-writable");
- }
- }
- }
- if (desc.configurable === false && !isSealedDesc(targetDesc)) {
-
-
-
-
-
- throw new TypeError(
- "cannot successfully define a non-configurable " +
- "descriptor for configurable or non-existent property '" +
- name + "'");
- }
- }
- return success;
- },
-
- preventExtensions: function() {
- var trap = this.getTrap("preventExtensions");
- if (trap === undefined) {
-
- return Reflect.preventExtensions(this.target);
- }
- var success = trap.call(this.handler, this.target);
- success = !!success;
- if (success) {
- if (Object_isExtensible(this.target)) {
- throw new TypeError("can't report extensible object as non-extensible: "+
- this.target);
- }
- }
- return success;
- },
-
- delete: function(name) {
- "use strict";
- var trap = this.getTrap("deleteProperty");
- if (trap === undefined) {
-
- return Reflect.deleteProperty(this.target, name);
- }
- name = String(name);
- var res = trap.call(this.handler, this.target, name);
- res = !!res;
- var targetDesc;
- if (res === true) {
- targetDesc = Object.getOwnPropertyDescriptor(this.target, name);
- if (targetDesc !== undefined && targetDesc.configurable === false) {
- throw new TypeError("property '" + name + "' is non-configurable "+
- "and can't be deleted");
- }
- if (targetDesc !== undefined && !Object_isExtensible(this.target)) {
-
-
-
-
- throw new TypeError(
- "cannot successfully delete existing property '" + name +
- "' on a non-extensible object");
- }
- }
- return res;
- },
-
- getOwnPropertyNames: function() {
-
-
-
-
-
-
-
-
- return this.ownKeys();
- },
-
- ownKeys: function() {
- var trap = this.getTrap("ownKeys");
- if (trap === undefined) {
-
- return Reflect.ownKeys(this.target);
- }
- var trapResult = trap.call(this.handler, this.target);
-
- var propNames = Object.create(null);
- var numProps = +trapResult.length;
- var result = new Array(numProps);
- for (var i = 0; i < numProps; i++) {
- var s = String(trapResult[i]);
- if (!Object.isExtensible(this.target) && !isFixed(s, this.target)) {
-
- throw new TypeError("ownKeys trap cannot list a new "+
- "property '"+s+"' on a non-extensible object");
- }
- propNames[s] = true;
- result[i] = s;
- }
- var ownProps = Object_getOwnPropertyNames(this.target);
- var target = this.target;
- ownProps.forEach(function (ownProp) {
- if (!propNames[ownProp]) {
- if (isSealed(ownProp, target)) {
- throw new TypeError("ownKeys trap failed to include "+
- "non-configurable property '"+ownProp+"'");
- }
- if (!Object.isExtensible(target) &&
- isFixed(ownProp, target)) {
-
-
-
-
-
- throw new TypeError("ownKeys trap cannot report existing own property '"+
- ownProp+"' as non-existent on a non-extensible object");
- }
- }
- });
- return result;
- },
-
- isExtensible: function() {
- var trap = this.getTrap("isExtensible");
- if (trap === undefined) {
-
- return Reflect.isExtensible(this.target);
- }
- var result = trap.call(this.handler, this.target);
- result = !!result;
- var state = Object_isExtensible(this.target);
- if (result !== state) {
- if (result) {
- throw new TypeError("cannot report non-extensible object as extensible: "+
- this.target);
- } else {
- throw new TypeError("cannot report extensible object as non-extensible: "+
- this.target);
- }
- }
- return state;
- },
-
- getPrototypeOf: function() {
- var trap = this.getTrap("getPrototypeOf");
- if (trap === undefined) {
-
- return Reflect.getPrototypeOf(this.target);
- }
- var allegedProto = trap.call(this.handler, this.target);
- if (!Object_isExtensible(this.target)) {
- var actualProto = Object_getPrototypeOf(this.target);
- if (!sameValue(allegedProto, actualProto)) {
- throw new TypeError("prototype value does not match: " + this.target);
- }
- }
- return allegedProto;
- },
-
- setPrototypeOf: function(newProto) {
- var trap = this.getTrap("setPrototypeOf");
- if (trap === undefined) {
-
- return Reflect.setPrototypeOf(this.target, newProto);
- }
- var success = trap.call(this.handler, this.target, newProto);
- success = !!success;
- if (success && !Object_isExtensible(this.target)) {
- var actualProto = Object_getPrototypeOf(this.target);
- if (!sameValue(newProto, actualProto)) {
- throw new TypeError("prototype value does not match: " + this.target);
- }
- }
- return success;
- },
-
- getPropertyNames: function() {
- throw new TypeError("getPropertyNames trap is deprecated");
- },
-
-
- has: function(name) {
- var trap = this.getTrap("has");
- if (trap === undefined) {
-
- return Reflect.has(this.target, name);
- }
- name = String(name);
- var res = trap.call(this.handler, this.target, name);
- res = !!res;
- if (res === false) {
- if (isSealed(name, this.target)) {
- throw new TypeError("cannot report existing non-configurable own "+
- "property '"+ name + "' as a non-existent "+
- "property");
- }
- if (!Object.isExtensible(this.target) &&
- isFixed(name, this.target)) {
-
-
-
-
- throw new TypeError("cannot report existing own property '"+name+
- "' as non-existent on a non-extensible object");
- }
- }
-
-
-
- return res;
- },
-
- get: function(receiver, name) {
-
-
-
- var trap = this.getTrap("get");
- if (trap === undefined) {
-
- return Reflect.get(this.target, name, receiver);
- }
- name = String(name);
- var res = trap.call(this.handler, this.target, name, receiver);
- var fixedDesc = Object.getOwnPropertyDescriptor(this.target, name);
-
- if (fixedDesc !== undefined) {
- if (isDataDescriptor(fixedDesc) &&
- fixedDesc.configurable === false &&
- fixedDesc.writable === false) {
- if (!sameValue(res, fixedDesc.value)) {
- throw new TypeError("cannot report inconsistent value for "+
- "non-writable, non-configurable property '"+
- name+"'");
- }
- } else {
- if (isAccessorDescriptor(fixedDesc) &&
- fixedDesc.configurable === false &&
- fixedDesc.get === undefined) {
- if (res !== undefined) {
- throw new TypeError("must report undefined for non-configurable "+
- "accessor property '"+name+"' without getter");
- }
- }
- }
- }
- return res;
- },
-
- set: function(receiver, name, val) {
- var trap = this.getTrap("set");
- if (trap === undefined) {
-
- return Reflect.set(this.target, name, val, receiver);
- }
- name = String(name);
- var res = trap.call(this.handler, this.target, name, val, receiver);
- res = !!res;
-
- if (res === true) {
- var fixedDesc = Object.getOwnPropertyDescriptor(this.target, name);
- if (fixedDesc !== undefined) {
- if (isDataDescriptor(fixedDesc) &&
- fixedDesc.configurable === false &&
- fixedDesc.writable === false) {
- if (!sameValue(val, fixedDesc.value)) {
- throw new TypeError("cannot successfully assign to a "+
- "non-writable, non-configurable property '"+
- name+"'");
- }
- } else {
- if (isAccessorDescriptor(fixedDesc) &&
- fixedDesc.configurable === false &&
- fixedDesc.set === undefined) {
- throw new TypeError("setting a property '"+name+"' that has "+
- " only a getter");
- }
- }
- }
- }
- return res;
- },
-
- enumerate: function() {
- var trap = this.getTrap("enumerate");
- if (trap === undefined) {
-
- var trapResult = Reflect.enumerate(this.target);
- var result = [];
- var nxt = trapResult.next();
- while (!nxt.done) {
- result.push(String(nxt.value));
- nxt = trapResult.next();
- }
- return result;
- }
- var trapResult = trap.call(this.handler, this.target);
-
- if (trapResult === null ||
- trapResult === undefined ||
- trapResult.next === undefined) {
- throw new TypeError("enumerate trap should return an iterator, got: "+
- trapResult);
- }
-
-
- var propNames = Object.create(null);
-
-
- var result = [];
-
-
-
-
- var nxt = trapResult.next();
-
- while (!nxt.done) {
- var s = String(nxt.value);
- if (propNames[s]) {
- throw new TypeError("enumerate trap cannot list a "+
- "duplicate property '"+s+"'");
- }
- propNames[s] = true;
- result.push(s);
- nxt = trapResult.next();
- }
-
-
- var ownEnumerableProps = Object.keys(this.target);
- var target = this.target;
- ownEnumerableProps.forEach(function (ownEnumerableProp) {
- if (!propNames[ownEnumerableProp]) {
- if (isSealed(ownEnumerableProp, target)) {
- throw new TypeError("enumerate trap failed to include "+
- "non-configurable enumerable property '"+
- ownEnumerableProp+"'");
- }
- if (!Object.isExtensible(target) &&
- isFixed(ownEnumerableProp, target)) {
-
-
-
-
-
- throw new TypeError("cannot report existing own property '"+
- ownEnumerableProp+"' as non-existent on a "+
- "non-extensible object");
- }
- }
- });
- return result;
- },
-
- iterate: Validator.prototype.enumerate,
-
-
-
-
- apply: function(target, thisBinding, args) {
- var trap = this.getTrap("apply");
- if (trap === undefined) {
- return Reflect.apply(target, thisBinding, args);
- }
- if (typeof this.target === "function") {
- return trap.call(this.handler, target, thisBinding, args);
- } else {
- throw new TypeError("apply: "+ target + " is not a function");
- }
- },
-
- construct: function(target, args, newTarget) {
- var trap = this.getTrap("construct");
- if (trap === undefined) {
- return Reflect.construct(target, args, newTarget);
- }
- if (typeof target !== "function") {
- throw new TypeError("new: "+ target + " is not a function");
- }
- if (newTarget === undefined) {
- newTarget = target;
- } else {
- if (typeof newTarget !== "function") {
- throw new TypeError("new: "+ newTarget + " is not a function");
- }
- }
- return trap.call(this.handler, target, args, newTarget);
- }
- };
- var directProxies = new WeakMap();
- Object.preventExtensions = function(subject) {
- var vhandler = directProxies.get(subject);
- if (vhandler !== undefined) {
- if (vhandler.preventExtensions()) {
- return subject;
- } else {
- throw new TypeError("preventExtensions on "+subject+" rejected");
- }
- } else {
- return prim_preventExtensions(subject);
- }
- };
- Object.seal = function(subject) {
- setIntegrityLevel(subject, "sealed");
- return subject;
- };
- Object.freeze = function(subject) {
- setIntegrityLevel(subject, "frozen");
- return subject;
- };
- Object.isExtensible = Object_isExtensible = function(subject) {
- var vHandler = directProxies.get(subject);
- if (vHandler !== undefined) {
- return vHandler.isExtensible();
- } else {
- return prim_isExtensible(subject);
- }
- };
- Object.isSealed = Object_isSealed = function(subject) {
- return testIntegrityLevel(subject, "sealed");
- };
- Object.isFrozen = Object_isFrozen = function(subject) {
- return testIntegrityLevel(subject, "frozen");
- };
- Object.getPrototypeOf = Object_getPrototypeOf = function(subject) {
- var vHandler = directProxies.get(subject);
- if (vHandler !== undefined) {
- return vHandler.getPrototypeOf();
- } else {
- return prim_getPrototypeOf(subject);
- }
- };
- Object.getOwnPropertyDescriptor = function(subject, name) {
- var vhandler = directProxies.get(subject);
- if (vhandler !== undefined) {
- return vhandler.getOwnPropertyDescriptor(name);
- } else {
- return prim_getOwnPropertyDescriptor(subject, name);
- }
- };
- Object.defineProperty = function(subject, name, desc) {
- var vhandler = directProxies.get(subject);
- if (vhandler !== undefined) {
- var normalizedDesc = normalizePropertyDescriptor(desc);
- var success = vhandler.defineProperty(name, normalizedDesc);
- if (success === false) {
- throw new TypeError("can't redefine property '"+name+"'");
- }
- return subject;
- } else {
- return prim_defineProperty(subject, name, desc);
- }
- };
- Object.defineProperties = function(subject, descs) {
- var vhandler = directProxies.get(subject);
- if (vhandler !== undefined) {
- var names = Object.keys(descs);
- for (var i = 0; i < names.length; i++) {
- var name = names[i];
- var normalizedDesc = normalizePropertyDescriptor(descs[name]);
- var success = vhandler.defineProperty(name, normalizedDesc);
- if (success === false) {
- throw new TypeError("can't redefine property '"+name+"'");
- }
- }
- return subject;
- } else {
- return prim_defineProperties(subject, descs);
- }
- };
- Object.keys = function(subject) {
- var vHandler = directProxies.get(subject);
- if (vHandler !== undefined) {
- var ownKeys = vHandler.ownKeys();
- var result = [];
- for (var i = 0; i < ownKeys.length; i++) {
- var k = String(ownKeys[i]);
- var desc = Object.getOwnPropertyDescriptor(subject, k);
- if (desc !== undefined && desc.enumerable === true) {
- result.push(k);
- }
- }
- return result;
- } else {
- return prim_keys(subject);
- }
- }
- Object.getOwnPropertyNames = Object_getOwnPropertyNames = function(subject) {
- var vHandler = directProxies.get(subject);
- if (vHandler !== undefined) {
- return vHandler.ownKeys();
- } else {
- return prim_getOwnPropertyNames(subject);
- }
- }
- if (prim_getOwnPropertySymbols !== undefined) {
- Object.getOwnPropertySymbols = function(subject) {
- var vHandler = directProxies.get(subject);
- if (vHandler !== undefined) {
-
-
- return [];
- } else {
- return prim_getOwnPropertySymbols(subject);
- }
- };
- }
- if (prim_assign !== undefined) {
- Object.assign = function (target) {
-
-
- var noProxies = true;
- for (var i = 0; i < arguments.length; i++) {
- var vHandler = directProxies.get(arguments[i]);
- if (vHandler !== undefined) {
- noProxies = false;
- break;
- }
- }
- if (noProxies) {
-
- return prim_assign.apply(Object, arguments);
- }
-
-
-
- if (target === undefined || target === null) {
- throw new TypeError('Cannot convert undefined or null to object');
- }
- var output = Object(target);
- for (var index = 1; index < arguments.length; index++) {
- var source = arguments[index];
- if (source !== undefined && source !== null) {
- for (var nextKey in source) {
- if (source.hasOwnProperty(nextKey)) {
- output[nextKey] = source[nextKey];
- }
- }
- }
- }
- return output;
- };
- }
- function isObject(arg) {
- var type = typeof arg;
- return (type === 'object' && arg !== null) || (type === 'function');
- };
- function safeWeakMapGet(map, key) {
- return isObject(key) ? map.get(key) : undefined;
- };
- function makeUnwrapping0ArgMethod(primitive) {
- return function builtin() {
- var vHandler = safeWeakMapGet(directProxies, this);
- if (vHandler !== undefined) {
- return builtin.call(vHandler.target);
- } else {
- return primitive.call(this);
- }
- }
- };
- function makeUnwrapping1ArgMethod(primitive) {
- return function builtin(arg) {
- var vHandler = safeWeakMapGet(directProxies, this);
- if (vHandler !== undefined) {
- return builtin.call(vHandler.target, arg);
- } else {
- return primitive.call(this, arg);
- }
- }
- };
- Object.prototype.valueOf =
- makeUnwrapping0ArgMethod(Object.prototype.valueOf);
- Object.prototype.toString =
- makeUnwrapping0ArgMethod(Object.prototype.toString);
- Function.prototype.toString =
- makeUnwrapping0ArgMethod(Function.prototype.toString);
- Date.prototype.toString =
- makeUnwrapping0ArgMethod(Date.prototype.toString);
- Object.prototype.isPrototypeOf = function builtin(arg) {
-
-
-
-
-
-
- while (true) {
- var vHandler2 = safeWeakMapGet(directProxies, arg);
- if (vHandler2 !== undefined) {
- arg = vHandler2.getPrototypeOf();
- if (arg === null) {
- return false;
- } else if (sameValue(arg, this)) {
- return true;
- }
- } else {
- return prim_isPrototypeOf.call(this, arg);
- }
- }
- };
- Array.isArray = function(subject) {
- var vHandler = safeWeakMapGet(directProxies, subject);
- if (vHandler !== undefined) {
- return Array.isArray(vHandler.target);
- } else {
- return prim_isArray(subject);
- }
- };
- function isProxyArray(arg) {
- var vHandler = safeWeakMapGet(directProxies, arg);
- if (vHandler !== undefined) {
- return Array.isArray(vHandler.target);
- }
- return false;
- }
- Array.prototype.concat = function() {
- var length;
- for (var i = 0; i < arguments.length; i++) {
- if (isProxyArray(arguments[i])) {
- length = arguments[i].length;
- arguments[i] = Array.prototype.slice.call(arguments[i], 0, length);
- }
- }
- return prim_concat.apply(this, arguments);
- };
- var prim_setPrototypeOf = Object.setPrototypeOf;
- var __proto__setter = (function() {
- var protoDesc = prim_getOwnPropertyDescriptor(Object.prototype,'__proto__');
- if (protoDesc === undefined ||
- typeof protoDesc.set !== "function") {
- return function() {
- throw new TypeError("setPrototypeOf not supported on this platform");
- }
- }
-
-
- try {
- protoDesc.set.call({},{});
- } catch (e) {
- return function() {
- throw new TypeError("setPrototypeOf not supported on this platform");
- }
- }
- prim_defineProperty(Object.prototype, '__proto__', {
- set: function(newProto) {
- return Object.setPrototypeOf(this, Object(newProto));
- }
- });
- return protoDesc.set;
- }());
- Object.setPrototypeOf = function(target, newProto) {
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- if (handler.setPrototypeOf(newProto)) {
- return target;
- } else {
- throw new TypeError("proxy rejected prototype mutation");
- }
- } else {
- if (!Object_isExtensible(target)) {
- throw new TypeError("can't set prototype on non-extensible object: " +
- target);
- }
- if (prim_setPrototypeOf)
- return prim_setPrototypeOf(target, newProto);
- if (Object(newProto) !== newProto || newProto === null) {
- throw new TypeError("Object prototype may only be an Object or null: " +
- newProto);
-
- }
- __proto__setter.call(target, newProto);
- return target;
- }
- }
- Object.prototype.hasOwnProperty = function(name) {
- var handler = safeWeakMapGet(directProxies, this);
- if (handler !== undefined) {
- var desc = handler.getOwnPropertyDescriptor(name);
- return desc !== undefined;
- } else {
- return prim_hasOwnProperty.call(this, name);
- }
- }
- var Reflect = {
- getOwnPropertyDescriptor: function(target, name) {
- return Object.getOwnPropertyDescriptor(target, name);
- },
- defineProperty: function(target, name, desc) {
-
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.defineProperty(target, name, desc);
- }
-
-
-
-
-
- var current = Object.getOwnPropertyDescriptor(target, name);
- var extensible = Object.isExtensible(target);
- if (current === undefined && extensible === false) {
- return false;
- }
- if (current === undefined && extensible === true) {
- Object.defineProperty(target, name, desc);
- return true;
- }
- if (isEmptyDescriptor(desc)) {
- return true;
- }
- if (isEquivalentDescriptor(current, desc)) {
- return true;
- }
- if (current.configurable === false) {
- if (desc.configurable === true) {
- return false;
- }
- if ('enumerable' in desc && desc.enumerable !== current.enumerable) {
- return false;
- }
- }
- if (isGenericDescriptor(desc)) {
-
- } else if (isDataDescriptor(current) !== isDataDescriptor(desc)) {
- if (current.configurable === false) {
- return false;
- }
- } else if (isDataDescriptor(current) && isDataDescriptor(desc)) {
- if (current.configurable === false) {
- if (current.writable === false && desc.writable === true) {
- return false;
- }
- if (current.writable === false) {
- if ('value' in desc && !sameValue(desc.value, current.value)) {
- return false;
- }
- }
- }
- } else if (isAccessorDescriptor(current) && isAccessorDescriptor(desc)) {
- if (current.configurable === false) {
- if ('set' in desc && !sameValue(desc.set, current.set)) {
- return false;
- }
- if ('get' in desc && !sameValue(desc.get, current.get)) {
- return false;
- }
- }
- }
- Object.defineProperty(target, name, desc);
- return true;
- },
- deleteProperty: function(target, name) {
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.delete(name);
- }
-
- var desc = Object.getOwnPropertyDescriptor(target, name);
- if (desc === undefined) {
- return true;
- }
- if (desc.configurable === true) {
- delete target[name];
- return true;
- }
- return false;
- },
- getPrototypeOf: function(target) {
- return Object.getPrototypeOf(target);
- },
- setPrototypeOf: function(target, newProto) {
-
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.setPrototypeOf(newProto);
- }
-
- if (Object(newProto) !== newProto || newProto === null) {
- throw new TypeError("Object prototype may only be an Object or null: " +
- newProto);
- }
-
- if (!Object_isExtensible(target)) {
- return false;
- }
-
- var current = Object.getPrototypeOf(target);
- if (sameValue(current, newProto)) {
- return true;
- }
-
- if (prim_setPrototypeOf) {
- try {
- prim_setPrototypeOf(target, newProto);
- return true;
- } catch (e) {
- return false;
- }
- }
- __proto__setter.call(target, newProto);
- return true;
- },
- preventExtensions: function(target) {
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.preventExtensions();
- }
- prim_preventExtensions(target);
- return true;
- },
- isExtensible: function(target) {
- return Object.isExtensible(target);
- },
- has: function(target, name) {
- return name in target;
- },
- get: function(target, name, receiver) {
- receiver = receiver || target;
-
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.get(receiver, name);
- }
- var desc = Object.getOwnPropertyDescriptor(target, name);
- if (desc === undefined) {
- var proto = Object.getPrototypeOf(target);
- if (proto === null) {
- return undefined;
- }
- return Reflect.get(proto, name, receiver);
- }
- if (isDataDescriptor(desc)) {
- return desc.value;
- }
- var getter = desc.get;
- if (getter === undefined) {
- return undefined;
- }
- return desc.get.call(receiver);
- },
-
-
- set: function(target, name, value, receiver) {
- receiver = receiver || target;
-
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.set(receiver, name, value);
- }
-
-
- var ownDesc = Object.getOwnPropertyDescriptor(target, name);
- if (ownDesc === undefined) {
-
- var proto = Object.getPrototypeOf(target);
- if (proto !== null) {
-
- return Reflect.set(proto, name, value, receiver);
- }
-
-
-
-
-
- ownDesc =
- { value: undefined,
- writable: true,
- enumerable: true,
- configurable: true };
- }
-
- if (isAccessorDescriptor(ownDesc)) {
- var setter = ownDesc.set;
- if (setter === undefined) return false;
- setter.call(receiver, value);
- return true;
- }
-
- if (ownDesc.writable === false) return false;
-
-
-
- var existingDesc = Object.getOwnPropertyDescriptor(receiver, name);
- if (existingDesc !== undefined) {
- var updateDesc =
- { value: value,
-
-
-
- writable: existingDesc.writable,
- enumerable: existingDesc.enumerable,
- configurable: existingDesc.configurable };
- Object.defineProperty(receiver, name, updateDesc);
- return true;
- } else {
- if (!Object.isExtensible(receiver)) return false;
- var newDesc =
- { value: value,
- writable: true,
- enumerable: true,
- configurable: true };
- Object.defineProperty(receiver, name, newDesc);
- return true;
- }
- },
-
- enumerate: function(target) {
- var handler = directProxies.get(target);
- var result;
- if (handler !== undefined) {
-
-
-
- result = handler.enumerate(handler.target);
- } else {
- result = [];
- for (var name in target) { result.push(name); };
- }
- var l = +result.length;
- var idx = 0;
- return {
- next: function() {
- if (idx === l) return { done: true };
- return { done: false, value: result[idx++] };
- }
- };
- },
-
-
- ownKeys: function(target) {
- return Object_getOwnPropertyNames(target);
- },
- apply: function(target, receiver, args) {
-
- return Function.prototype.apply.call(target, receiver, args);
- },
- construct: function(target, args, newTarget) {
-
-
- var handler = directProxies.get(target);
- if (handler !== undefined) {
- return handler.construct(handler.target, args, newTarget);
- }
-
- if (typeof target !== "function") {
- throw new TypeError("target is not a function: " + target);
- }
- if (newTarget === undefined || newTarget === target) {
-
-
-
-
-
-
-
- return new (Function.prototype.bind.apply(target, [null].concat(args)));
- } else {
- if (typeof newTarget !== "function") {
- throw new TypeError("newTarget is not a function: " + target);
- }
-
-
-
-
-
-
- var proto = newTarget.prototype;
- var instance = (Object(proto) === proto) ? Object.create(proto) : {};
- var result = Function.prototype.apply.call(target, instance, args);
- return Object(result) === result ? result : instance;
- }
- }
- };
- if (global.Reflect !== undefined) {
-
- Object.getOwnPropertyNames(Reflect).forEach(function (key) {
- global.Reflect[key] = Reflect[key];
- });
- } else {
-
- global.Reflect = Reflect;
- }
- if (typeof Proxy !== "undefined" &&
- typeof Proxy.create !== "undefined") {
- var primCreate = Proxy.create,
- primCreateFunction = Proxy.createFunction;
- var revokedHandler = primCreate({
- get: function() { throw new TypeError("proxy is revoked"); }
- });
- global.Proxy = function(target, handler) {
-
- if (Object(target) !== target) {
- throw new TypeError("Proxy target must be an Object, given "+target);
- }
-
- if (Object(handler) !== handler) {
- throw new TypeError("Proxy handler must be an Object, given "+handler);
- }
- var vHandler = new Validator(target, handler);
- var proxy;
- if (typeof target === "function") {
- proxy = primCreateFunction(vHandler,
-
- function() {
- var args = Array.prototype.slice.call(arguments);
- return vHandler.apply(target, this, args);
- },
-
- function() {
- var args = Array.prototype.slice.call(arguments);
- return vHandler.construct(target, args);
- });
- } else {
- proxy = primCreate(vHandler, Object.getPrototypeOf(target));
- }
- directProxies.set(proxy, vHandler);
- return proxy;
- };
- global.Proxy.revocable = function(target, handler) {
- var proxy = new Proxy(target, handler);
- var revoke = function() {
- var vHandler = directProxies.get(proxy);
- if (vHandler !== null) {
- vHandler.target = null;
- vHandler.handler = revokedHandler;
- }
- return undefined;
- };
- return {proxy: proxy, revoke: revoke};
- }
-
-
-
-
-
- global.Proxy.create = primCreate;
- global.Proxy.createFunction = primCreateFunction;
- } else {
-
- if (typeof Proxy === "undefined") {
-
- global.Proxy = function(_target, _handler) {
- throw new Error("proxies not supported on this platform. On v8/node/iojs, make sure to pass the --harmony_proxies flag");
- };
- }
-
-
- }
- if (typeof exports !== 'undefined') {
- Object.keys(Reflect).forEach(function (key) {
- exports[key] = Reflect[key];
- });
- }
- }(typeof exports !== 'undefined' ? global : this));
|