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- "use strict";
- var es5 = require("./es5");
- var canEvaluate = typeof navigator == "undefined";
- var errorObj = {e: {}};
- var tryCatchTarget;
- var globalObject = typeof self !== "undefined" ? self :
- typeof window !== "undefined" ? window :
- typeof global !== "undefined" ? global :
- this !== undefined ? this : null;
- function tryCatcher() {
- try {
- var target = tryCatchTarget;
- tryCatchTarget = null;
- return target.apply(this, arguments);
- } catch (e) {
- errorObj.e = e;
- return errorObj;
- }
- }
- function tryCatch(fn) {
- tryCatchTarget = fn;
- return tryCatcher;
- }
- var inherits = function(Child, Parent) {
- var hasProp = {}.hasOwnProperty;
- function T() {
- this.constructor = Child;
- this.constructor$ = Parent;
- for (var propertyName in Parent.prototype) {
- if (hasProp.call(Parent.prototype, propertyName) &&
- propertyName.charAt(propertyName.length-1) !== "$"
- ) {
- this[propertyName + "$"] = Parent.prototype[propertyName];
- }
- }
- }
- T.prototype = Parent.prototype;
- Child.prototype = new T();
- return Child.prototype;
- };
- function isPrimitive(val) {
- return val == null || val === true || val === false ||
- typeof val === "string" || typeof val === "number";
- }
- function isObject(value) {
- return typeof value === "function" ||
- typeof value === "object" && value !== null;
- }
- function maybeWrapAsError(maybeError) {
- if (!isPrimitive(maybeError)) return maybeError;
- return new Error(safeToString(maybeError));
- }
- function withAppended(target, appendee) {
- var len = target.length;
- var ret = new Array(len + 1);
- var i;
- for (i = 0; i < len; ++i) {
- ret[i] = target[i];
- }
- ret[i] = appendee;
- return ret;
- }
- function getDataPropertyOrDefault(obj, key, defaultValue) {
- if (es5.isES5) {
- var desc = Object.getOwnPropertyDescriptor(obj, key);
- if (desc != null) {
- return desc.get == null && desc.set == null
- ? desc.value
- : defaultValue;
- }
- } else {
- return {}.hasOwnProperty.call(obj, key) ? obj[key] : undefined;
- }
- }
- function notEnumerableProp(obj, name, value) {
- if (isPrimitive(obj)) return obj;
- var descriptor = {
- value: value,
- configurable: true,
- enumerable: false,
- writable: true
- };
- es5.defineProperty(obj, name, descriptor);
- return obj;
- }
- function thrower(r) {
- throw r;
- }
- var inheritedDataKeys = (function() {
- var excludedPrototypes = [
- Array.prototype,
- Object.prototype,
- Function.prototype
- ];
- var isExcludedProto = function(val) {
- for (var i = 0; i < excludedPrototypes.length; ++i) {
- if (excludedPrototypes[i] === val) {
- return true;
- }
- }
- return false;
- };
- if (es5.isES5) {
- var getKeys = Object.getOwnPropertyNames;
- return function(obj) {
- var ret = [];
- var visitedKeys = Object.create(null);
- while (obj != null && !isExcludedProto(obj)) {
- var keys;
- try {
- keys = getKeys(obj);
- } catch (e) {
- return ret;
- }
- for (var i = 0; i < keys.length; ++i) {
- var key = keys[i];
- if (visitedKeys[key]) continue;
- visitedKeys[key] = true;
- var desc = Object.getOwnPropertyDescriptor(obj, key);
- if (desc != null && desc.get == null && desc.set == null) {
- ret.push(key);
- }
- }
- obj = es5.getPrototypeOf(obj);
- }
- return ret;
- };
- } else {
- var hasProp = {}.hasOwnProperty;
- return function(obj) {
- if (isExcludedProto(obj)) return [];
- var ret = [];
- /*jshint forin:false */
- enumeration: for (var key in obj) {
- if (hasProp.call(obj, key)) {
- ret.push(key);
- } else {
- for (var i = 0; i < excludedPrototypes.length; ++i) {
- if (hasProp.call(excludedPrototypes[i], key)) {
- continue enumeration;
- }
- }
- ret.push(key);
- }
- }
- return ret;
- };
- }
- })();
- var thisAssignmentPattern = /this\s*\.\s*\S+\s*=/;
- function isClass(fn) {
- try {
- if (typeof fn === "function") {
- var keys = es5.names(fn.prototype);
- var hasMethods = es5.isES5 && keys.length > 1;
- var hasMethodsOtherThanConstructor = keys.length > 0 &&
- !(keys.length === 1 && keys[0] === "constructor");
- var hasThisAssignmentAndStaticMethods =
- thisAssignmentPattern.test(fn + "") && es5.names(fn).length > 0;
- if (hasMethods || hasMethodsOtherThanConstructor ||
- hasThisAssignmentAndStaticMethods) {
- return true;
- }
- }
- return false;
- } catch (e) {
- return false;
- }
- }
- function toFastProperties(obj) {
- /*jshint -W027,-W055,-W031*/
- function FakeConstructor() {}
- FakeConstructor.prototype = obj;
- var l = 8;
- while (l--) new FakeConstructor();
- return obj;
- eval(obj);
- }
- var rident = /^[a-z$_][a-z$_0-9]*$/i;
- function isIdentifier(str) {
- return rident.test(str);
- }
- function filledRange(count, prefix, suffix) {
- var ret = new Array(count);
- for(var i = 0; i < count; ++i) {
- ret[i] = prefix + i + suffix;
- }
- return ret;
- }
- function safeToString(obj) {
- try {
- return obj + "";
- } catch (e) {
- return "[no string representation]";
- }
- }
- function isError(obj) {
- return obj instanceof Error ||
- (obj !== null &&
- typeof obj === "object" &&
- typeof obj.message === "string" &&
- typeof obj.name === "string");
- }
- function markAsOriginatingFromRejection(e) {
- try {
- notEnumerableProp(e, "isOperational", true);
- }
- catch(ignore) {}
- }
- function originatesFromRejection(e) {
- if (e == null) return false;
- return ((e instanceof Error["__BluebirdErrorTypes__"].OperationalError) ||
- e["isOperational"] === true);
- }
- function canAttachTrace(obj) {
- return isError(obj) && es5.propertyIsWritable(obj, "stack");
- }
- var ensureErrorObject = (function() {
- if (!("stack" in new Error())) {
- return function(value) {
- if (canAttachTrace(value)) return value;
- try {throw new Error(safeToString(value));}
- catch(err) {return err;}
- };
- } else {
- return function(value) {
- if (canAttachTrace(value)) return value;
- return new Error(safeToString(value));
- };
- }
- })();
- function classString(obj) {
- return {}.toString.call(obj);
- }
- function copyDescriptors(from, to, filter) {
- var keys = es5.names(from);
- for (var i = 0; i < keys.length; ++i) {
- var key = keys[i];
- if (filter(key)) {
- try {
- es5.defineProperty(to, key, es5.getDescriptor(from, key));
- } catch (ignore) {}
- }
- }
- }
- var asArray = function(v) {
- if (es5.isArray(v)) {
- return v;
- }
- return null;
- };
- if (typeof Symbol !== "undefined" && Symbol.iterator) {
- var ArrayFrom = typeof Array.from === "function" ? function(v) {
- return Array.from(v);
- } : function(v) {
- var ret = [];
- var it = v[Symbol.iterator]();
- var itResult;
- while (!((itResult = it.next()).done)) {
- ret.push(itResult.value);
- }
- return ret;
- };
- asArray = function(v) {
- if (es5.isArray(v)) {
- return v;
- } else if (v != null && typeof v[Symbol.iterator] === "function") {
- return ArrayFrom(v);
- }
- return null;
- };
- }
- var isNode = typeof process !== "undefined" &&
- classString(process).toLowerCase() === "[object process]";
- var hasEnvVariables = typeof process !== "undefined" &&
- typeof process.env !== "undefined";
- function env(key) {
- return hasEnvVariables ? process.env[key] : undefined;
- }
- function getNativePromise() {
- if (typeof Promise === "function") {
- try {
- var promise = new Promise(function(){});
- if ({}.toString.call(promise) === "[object Promise]") {
- return Promise;
- }
- } catch (e) {}
- }
- }
- function domainBind(self, cb) {
- return self.bind(cb);
- }
- var ret = {
- isClass: isClass,
- isIdentifier: isIdentifier,
- inheritedDataKeys: inheritedDataKeys,
- getDataPropertyOrDefault: getDataPropertyOrDefault,
- thrower: thrower,
- isArray: es5.isArray,
- asArray: asArray,
- notEnumerableProp: notEnumerableProp,
- isPrimitive: isPrimitive,
- isObject: isObject,
- isError: isError,
- canEvaluate: canEvaluate,
- errorObj: errorObj,
- tryCatch: tryCatch,
- inherits: inherits,
- withAppended: withAppended,
- maybeWrapAsError: maybeWrapAsError,
- toFastProperties: toFastProperties,
- filledRange: filledRange,
- toString: safeToString,
- canAttachTrace: canAttachTrace,
- ensureErrorObject: ensureErrorObject,
- originatesFromRejection: originatesFromRejection,
- markAsOriginatingFromRejection: markAsOriginatingFromRejection,
- classString: classString,
- copyDescriptors: copyDescriptors,
- hasDevTools: typeof chrome !== "undefined" && chrome &&
- typeof chrome.loadTimes === "function",
- isNode: isNode,
- hasEnvVariables: hasEnvVariables,
- env: env,
- global: globalObject,
- getNativePromise: getNativePromise,
- domainBind: domainBind
- };
- ret.isRecentNode = ret.isNode && (function() {
- var version = process.versions.node.split(".").map(Number);
- return (version[0] === 0 && version[1] > 10) || (version[0] > 0);
- })();
- if (ret.isNode) ret.toFastProperties(process);
- try {throw new Error(); } catch (e) {ret.lastLineError = e;}
- module.exports = ret;
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