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com.google.javascript.jscomp.resources.json Maven / Gradle / Ivy
Closure Compiler is a JavaScript optimizing compiler. It parses your
JavaScript, analyzes it, removes dead code and rewrites and minimizes
what's left. It also checks syntax, variable references, and types, and
warns about common JavaScript pitfalls. It is used in many of Google's
JavaScript apps, including Gmail, Google Web Search, Google Maps, and
Google Docs.
{"js/build_runtime.sh":"#!/bin/sh\n\n# Assembles the es6_runtime.js file from the inputs.\n\nhelp() {\n cat <&2\nUsage: build_runtime.sh [OPTIONS]\nOptions:\n --compiler=PATH/TO.JAR\n --js_output_file=FILENAME\nEOF\n exit $1\n}\n\ndir=\"$(dirname $0)\"\ncompiler=\"$dir/../../../../../../build/compiler.jar\"\noutput=/dev/stdout\n\nwhile [ $# -gt 0 ]; do\n arg=$1\n shift\n case \"$arg\" in\n (--*=*) set -- \"${arg#*=}\" \"$@\"; arg=${arg%%=*} ;;\n esac\n case \"$arg\" in\n (--help) help 0 ;;\n (--compiler) compiler=$1; shift ;;\n (--js_output_file) output=$1; shift ;;\n (*) echo \"Unknown option: $arg\" >&2; help 1 ;;\n esac\ndone\n\n{\n cat license.js\n echo -e '\\n// GENERATED FILE. DO NOT EDIT. REBUILD WITH build_runtime.sh.\\n'\n java -jar $compiler \"${args[@]}\" \\\n --formatting=PRETTY_PRINT \\\n --noinject_libraries \\\n --compilation_level=WHITESPACE_ONLY \\\n --preserve_type_annotations \\\n --language_in=ES6_STRICT \\\n --language_out=ES5_STRICT \\\n --js=\"$dir/es6/runtime.js\" \\\n --js=\"$dir/es6/object.js\" \\\n | sed 's/ *$//g'\n echo\n} >| $output\n","js/base.js":"/*\n * Copyright 2012 The Closure Compiler Authors.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n\n/**\n * @fileoverview The base namespace for code injected by the compiler\n * at compile-time.\n *\n * @author [email protected] (Nick Santos)\n */\n\n/** @const */\nvar $jscomp = {};\n\n/** @const Locals for goog.scope */\n$jscomp.scope = {};\n","js/es6_dart_runtime.js":"/*\n * Copyright 2014 The Closure Compiler Authors.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n/**\n * @fileoverview Additional runtime functions required for transpilation from\n * ES6 to ES5 of code generated by the Dart Dev Compiler.\n *\n * Note that DDC's output cannot currently be lowered to ES3 (heavy use of\n * getters or setters, including in the runtime), so these helpers make no\n * attempt of fallback behaviour when methods like Object.getPrototypeOf or\n * Object.getOwnPropertyDescriptor are undefined (unlike helpers in\n * es6_runtime.js).\n *\n * @author [email protected] (Olivier Chafik)\n */\n'require es6_runtime';\n\n/**\n * Gets a property descriptor for a target instance, skipping its class\n * and walking up the super-classes hierarchy.\n *\n * @private\n * @param {!Object} target\n * @param {!string} name\n * @return {!Object.|undefined}\n */\n$jscomp.getSuperPropertyDescriptor_ = function(target, name) {\n var getPrototypeOf = $jscomp.global.Object.getPrototypeOf;\n var getOwnPropertyDescriptor = $jscomp.global.Object.getOwnPropertyDescriptor;\n var cls = getPrototypeOf(target);\n while (cls != null) {\n cls = getPrototypeOf(cls);\n if (cls != null) {\n var desc = getOwnPropertyDescriptor(cls, name);\n if (desc != null) {\n return desc;\n }\n }\n }\n return undefined;\n};\n\n/**\n * Gets a property of a target instance using its super class getter or value,\n * or returns undefined if that property is not defined on any ancestor.\n *\n * @param {!Object} target\n * @param {!string} propertyName\n * @return {*}\n */\n$jscomp.superGet = function(target, propertyName) {\n var desc = $jscomp.getSuperPropertyDescriptor_(target, propertyName);\n return desc && (desc.get ? desc.get.call(target) : desc.value);\n};\n\n/**\n * Sets a property on a target instance using its super setter if is defined\n * on any ancestor, or setting it as a simple property on the target otherwise.\n *\n * @template T\n * @param {!Object} target\n * @param {!string} propertyName\n * @param {T} value\n * @return {T}\n */\n$jscomp.superSet = function(target, propertyName, value) {\n var desc = $jscomp.getSuperPropertyDescriptor_(target, propertyName);\n if (desc) {\n if (!desc.set) {\n throw new TypeError('No setter for super.' + propertyName);\n }\n desc.set.call(target, value);\n } else {\n target[propertyName] = value;\n }\n return value;\n};\n","js/es6_runtime.js":"/*\n * Copyright 2015 The Closure Compiler Authors.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n// GENERATED FILE. DO NOT EDIT. REBUILD WITH build_runtime.sh.\n\n'use strict';\"require base\";\n\"declare window global\";\n/**\n @param {!Object} maybeGlobal\n @return {!Object}\n @suppress {undefinedVars}\n */\n$jscomp.getGlobal = function(maybeGlobal) {\n return typeof window != \"undefined\" && window === maybeGlobal ? maybeGlobal : typeof global != \"undefined\" ? global : maybeGlobal;\n};\n/** @const @type {!Object} */ $jscomp.global = $jscomp.getGlobal(this);\n/**\n @suppress {reportUnknownTypes}\n */\n$jscomp.initSymbol = function() {\n if (!$jscomp.global.Symbol) {\n $jscomp.global.Symbol = $jscomp.Symbol;\n }\n $jscomp.initSymbol = function() {\n };\n};\n/** @private @type {number} */ $jscomp.symbolCounter_ = 0;\n/**\n @param {string} description\n @return {symbol}\n @suppress {reportUnknownTypes}\n */\n$jscomp.Symbol = function(description) {\n return /** @type {symbol} */ (\"jscomp_symbol_\" + description + $jscomp.symbolCounter_++);\n};\n/**\n @suppress {reportUnknownTypes}\n */\n$jscomp.initSymbolIterator = function() {\n $jscomp.initSymbol();\n if (!$jscomp.global.Symbol.iterator) {\n $jscomp.global.Symbol.iterator = $jscomp.global.Symbol(\"iterator\");\n }\n $jscomp.initSymbolIterator = function() {\n };\n};\n/**\n @param {(string|!Array|!Iterable|!Iterator|!Arguments)} iterable\n @return {!Iterator}\n @template T\n @suppress {reportUnknownTypes}\n */\n$jscomp.makeIterator = function(iterable) {\n $jscomp.initSymbolIterator();\n if (iterable[$jscomp.global.Symbol.iterator]) {\n return iterable[$jscomp.global.Symbol.iterator]();\n }\n var index = 0;\n return /** @type {!Iterator} */ ({next:function() {\n if (index == iterable.length) {\n return {done:true};\n } else {\n return {done:false, value:iterable[index++]};\n }\n }});\n};\n/**\n @param {!Iterator} iterator\n @return {!Array}\n @template T\n */\n$jscomp.arrayFromIterator = function(iterator) {\n var i;\n /** @const */ var arr = [];\n while (!(i = iterator.next()).done) {\n arr.push(i.value);\n }\n return arr;\n};\n/**\n @param {(string|!Array|!Iterable|!Arguments)} iterable\n @return {!Array}\n @template T\n */\n$jscomp.arrayFromIterable = function(iterable) {\n if (iterable instanceof Array) {\n return iterable;\n } else {\n return $jscomp.arrayFromIterator($jscomp.makeIterator(iterable));\n }\n};\n/**\n @param {!Function} childCtor\n @param {!Function} parentCtor\n */\n$jscomp.inherits = function(childCtor, parentCtor) {\n /** @constructor */ function tempCtor() {\n }\n tempCtor.prototype = parentCtor.prototype;\n childCtor.prototype = new tempCtor;\n /** @override */ childCtor.prototype.constructor = childCtor;\n for (var p in parentCtor) {\n if ($jscomp.global.Object.defineProperties) {\n var descriptor = $jscomp.global.Object.getOwnPropertyDescriptor(parentCtor, p);\n if (descriptor) {\n $jscomp.global.Object.defineProperty(childCtor, p, descriptor);\n }\n } else {\n childCtor[p] = parentCtor[p];\n }\n }\n};\n$jscomp.array = $jscomp.array || {};\n/**\n @private\n @return {{done:boolean}}\n */\n$jscomp.array.done_ = function() {\n return {done:true, value:void 0};\n};\n/**\n @private\n @param {!IArrayLike}\n @template INPUT,OUTPUT\n @suppress {checkTypes}\n */\n$jscomp.array.arrayIterator_ = function(array, func) {\n if (array instanceof String) {\n array = String(array);\n }\n var i = 0;\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n var $jscomp$compprop0 = {};\n /** @const */ var iter = ($jscomp$compprop0.next = function() {\n if (i < array.length) {\n /** @const */ var index = i++;\n return {value:func(index, array[index]), done:false};\n }\n iter.next = $jscomp.array.done_;\n return $jscomp.array.done_();\n }, $jscomp$compprop0[Symbol.iterator] = function() {\n return iter;\n }, $jscomp$compprop0);\n return iter;\n};\n/**\n @private\n @param {!IArrayLike} array\n @param {function(this:THIS,VALUE,number,!IArrayLike):*} callback\n @param {THIS} thisArg\n @return {{i:number,v:(VALUE|undefined)}}\n @template THIS,VALUE\n */\n$jscomp.array.findInternal_ = function(array, callback, thisArg) {\n if (array instanceof String) {\n array = /** @type {!IArrayLike} */ (String(array));\n }\n /** @const */ var len = array.length;\n for (var i = 0;i < len;i++) {\n /** @const */ var value = array[i];\n if (callback.call(thisArg, value, i, array)) {\n return {i:i, v:value};\n }\n }\n return {i:-1, v:void 0};\n};\n/**\n @param {(!IArrayLike}\n @template INPUT,OUTPUT,THIS\n */\n$jscomp.array.from = function(arrayLike, opt_mapFn, opt_thisArg) {\n opt_mapFn = opt_mapFn === undefined ? function(x) {\n return x;\n } : opt_mapFn;\n /** @const */ var result = [];\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n if (arrayLike[Symbol.iterator]) {\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n /** @const */ var iter = arrayLike[Symbol.iterator]();\n var next;\n while (!(next = iter.next()).done) {\n result.push(opt_mapFn.call(opt_thisArg, next.value));\n }\n } else {\n /** @const */ var len = arrayLike.length;\n for (var i = 0;i < len;i++) {\n result.push(opt_mapFn.call(opt_thisArg, arrayLike[i]));\n }\n }\n return result;\n};\n/**\n @param {...*} elements\n @return {!Array<*>}\n */\n$jscomp.array.of = function(elements) {\n var $jscomp$restParams = [];\n for (var $jscomp$restIndex = 0;$jscomp$restIndex < arguments.length;++$jscomp$restIndex) {\n $jscomp$restParams[$jscomp$restIndex - 0] = arguments[$jscomp$restIndex];\n }\n var /** @type {!Array<*>} */ elements$10 = $jscomp$restParams;\n return $jscomp.array.from(elements$10);\n};\n/**\n @this {!IArrayLike}\n @return {!IteratorIterable>}\n @template VALUE\n */\n$jscomp.array.entries = function() {\n return $jscomp.array.arrayIterator_(this, function(i, v) {\n return [i, v];\n });\n};\n/**\n @private\n @param {string} method\n @param {!Function} fn\n */\n$jscomp.array.installHelper_ = function(method, fn) {\n if (!Array.prototype[method] && Object.defineProperties && Object.defineProperty) {\n Object.defineProperty(Array.prototype, method, {configurable:true, enumerable:false, writable:true, value:fn});\n }\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.entries$install = function() {\n $jscomp.array.installHelper_(\"entries\", $jscomp.array.entries);\n};\n/**\n @this {!IArrayLike}\n @return {!IteratorIterable}\n */\n$jscomp.array.keys = function() {\n return $jscomp.array.arrayIterator_(this, function(i) {\n return i;\n });\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.keys$install = function() {\n $jscomp.array.installHelper_(\"keys\", $jscomp.array.keys);\n};\n/**\n @this {!IArrayLike}\n @return {!IteratorIterable}\n @template VALUE\n */\n$jscomp.array.values = function() {\n return $jscomp.array.arrayIterator_(this, function(_, v) {\n return v;\n });\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.values$install = function() {\n $jscomp.array.installHelper_(\"values\", $jscomp.array.values);\n};\n/**\n @this {!IArrayLike}\n @param {number} target\n @param {number} start\n @param {number=} opt_end\n @return {!IArrayLike}\n @template VALUE\n */\n$jscomp.array.copyWithin = function(target, start, opt_end) {\n /** @const */ var len = this.length;\n target = Number(target);\n start = Number(start);\n opt_end = Number(opt_end != null ? opt_end : len);\n if (target < start) {\n opt_end = Math.min(opt_end, len);\n while (start < opt_end) {\n if (start in this) {\n this[target++] = this[start++];\n } else {\n delete this[target++];\n start++;\n }\n }\n } else {\n opt_end = Math.min(opt_end, len + start - target);\n target += opt_end - start;\n while (opt_end > start) {\n if (--opt_end in this) {\n this[--target] = this[opt_end];\n } else {\n delete this[target];\n }\n }\n }\n return this;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.copyWithin$install = function() {\n $jscomp.array.installHelper_(\"copyWithin\", $jscomp.array.copyWithin);\n};\n/**\n @this {!IArrayLike}\n @param {VALUE} value\n @param {number=} opt_start\n @param {number=} opt_end\n @return {!IArrayLike}\n @template VALUE\n */\n$jscomp.array.fill = function(value, opt_start, opt_end) {\n opt_start = opt_start === undefined ? 0 : opt_start;\n if (opt_end == null || !value.length) {\n opt_end = this.length || 0;\n }\n opt_end = Number(opt_end);\n for (var i = Number(opt_start || 0);i < opt_end;i++) {\n this[i] = value;\n }\n return this;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.fill$install = function() {\n $jscomp.array.installHelper_(\"fill\", $jscomp.array.fill);\n};\n/**\n @this {!IArrayLike}\n @param {function(this:THIS,VALUE,number,!IArrayLike):*} callback\n @param {THIS=} opt_thisArg\n @return {(VALUE|undefined)}\n @template VALUE,THIS\n */\n$jscomp.array.find = function(callback, opt_thisArg) {\n return $jscomp.array.findInternal_(this, callback, opt_thisArg).v;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.find$install = function() {\n $jscomp.array.installHelper_(\"find\", $jscomp.array.find);\n};\n/**\n @this {!IArrayLike}\n @param {function(this:THIS,VALUE,number,!IArrayLike):*} callback\n @param {THIS=} opt_thisArg\n @return {(VALUE|undefined)}\n @template VALUE,THIS\n */\n$jscomp.array.findIndex = function(callback, opt_thisArg) {\n return $jscomp.array.findInternal_(this, callback, opt_thisArg).i;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.array.findIndex$install = function() {\n $jscomp.array.installHelper_(\"findIndex\", $jscomp.array.findIndex);\n};\n/**\n @struct\n @constructor\n @implements {Iterable>}\n @param {(!Iterable>|!Array>)=} opt_iterable\n @template KEY,VALUE\n */\n$jscomp.Map = function(opt_iterable) {\n opt_iterable = opt_iterable === undefined ? [] : opt_iterable;\n /** @private @type {!Object>>} */ this.data_ = {};\n /** @private @type {!$jscomp.Map.Entry_} */ this.head_ = $jscomp.Map.createHead_();\n /** @type {number} */ this.size = 0;\n if (opt_iterable) {\n for (var $jscomp$iter$1 = $jscomp.makeIterator(opt_iterable), $jscomp$key$item = $jscomp$iter$1.next();!$jscomp$key$item.done;$jscomp$key$item = $jscomp$iter$1.next()) {\n /** @const */ var item = $jscomp$key$item.value;\n this.set(/** @type {KEY} */ (item[0]), /** @type {VALUE} */ (item[1]));\n }\n }\n};\n/**\n @private\n @return {boolean}\n */\n$jscomp.Map.checkBrowserConformance_ = function() {\n /** @const @type {function(new:Map,!Iterator)} */ var Map = $jscomp.global[\"Map\"];\n if (!Map || !Map.prototype.entries || !Object.seal) {\n return false;\n }\n try {\n /** @const */ var key = Object.seal({x:4});\n /** @const */ var map = new Map($jscomp.makeIterator([[key, \"s\"]]));\n if (map.get(key) != \"s\" || map.size != 1 || map.get({x:4}) || map.set({x:4}, \"t\") != map || map.size != 2) {\n return false;\n }\n /** @const @type {!Iterator} */ var iter = map.entries();\n var item = iter.next();\n if (item.done || item.value[0] != key || item.value[1] != \"s\") {\n return false;\n }\n item = iter.next();\n if (item.done || item.value[0].x != 4 || item.value[1] != \"t\" || !iter.next().done) {\n return false;\n }\n return true;\n } catch (err) {\n return false;\n }\n};\n/**\n @private\n @return {!$jscomp.Map.Entry_}\n @template KEY,VALUE\n @suppress {checkTypes}\n */\n$jscomp.Map.createHead_ = function() {\n /** @const */ var head = {};\n head.previous = head.next = head.head = head;\n return head;\n};\n/**\n @private\n @param {*} obj\n @return {string}\n */\n$jscomp.Map.getId_ = function(obj) {\n if (!(obj instanceof Object)) {\n return String(obj);\n }\n if (!($jscomp.Map.key_ in obj)) {\n if (obj instanceof Object && Object.isExtensible && Object.isExtensible(obj)) {\n $jscomp.Map.defineProperty_(obj, $jscomp.Map.key_, ++$jscomp.Map.index_);\n }\n }\n if (!($jscomp.Map.key_ in obj)) {\n return \" \" + obj;\n }\n return obj[$jscomp.Map.key_];\n};\n/**\n @param {KEY} key\n @param {VALUE} value\n */\n$jscomp.Map.prototype.set = function(key, value) {\n var $jscomp$destructuring$var0 = this.maybeGetEntry_(key);\n var id = $jscomp$destructuring$var0.id;\n var list = $jscomp$destructuring$var0.list;\n var entry = $jscomp$destructuring$var0.entry;\n if (!list) {\n list = this.data_[id] = [];\n }\n if (!entry) {\n entry = {next:this.head_, previous:this.head_.previous, head:this.head_, key:key, value:value};\n list.push(entry);\n this.head_.previous.next = entry;\n this.head_.previous = entry;\n this.size++;\n } else {\n entry.value = value;\n }\n return this;\n};\n/**\n @param {KEY} key\n @return {boolean}\n */\n$jscomp.Map.prototype.delete = function(key) {\n /** @const */ var $jscomp$destructuring$var1 = this.maybeGetEntry_(key);\n /** @const */ var id = $jscomp$destructuring$var1.id;\n /** @const */ var list = $jscomp$destructuring$var1.list;\n /** @const */ var index = $jscomp$destructuring$var1.index;\n /** @const */ var entry = $jscomp$destructuring$var1.entry;\n if (entry && list) {\n list.splice(index, 1);\n if (!list.length) {\n delete this.data_[id];\n }\n entry.previous.next = entry.next;\n entry.next.previous = entry.previous;\n entry.head = null;\n this.size--;\n return true;\n }\n return false;\n};\n$jscomp.Map.prototype.clear = function() {\n this.data_ = {};\n this.head_ = this.head_.previous = $jscomp.Map.createHead_();\n this.size = 0;\n};\n/**\n @param {*} key\n @return {boolean}\n */\n$jscomp.Map.prototype.has = function(key) {\n return Boolean(this.maybeGetEntry_(key).entry);\n};\n/**\n @param {*} key\n @return {VALUE}\n */\n$jscomp.Map.prototype.get = function(key) {\n /** @const */ var $jscomp$destructuring$var2 = this.maybeGetEntry_(key);\n /** @const */ var entry = $jscomp$destructuring$var2.entry;\n return entry && entry.value;\n};\n/**\n @private\n @param {KEY} key\n @return {{id:string,list:(!Array>|undefined),index:number,entry:(!$jscomp.Map.Entry_|undefined)}}\n */\n$jscomp.Map.prototype.maybeGetEntry_ = function(key) {\n /** @const */ var id = $jscomp.Map.getId_(key);\n /** @const */ var list = this.data_[id];\n if (list) {\n for (var index = 0;index < list.length;index++) {\n /** @const */ var entry = list[index];\n if (key !== key && entry.key !== entry.key || key === entry.key) {\n return {id:id, list:list, index:index, entry:entry};\n }\n }\n }\n return {id:id, list:list, index:-1, entry:void 0};\n};\n/**\n @return {!IteratorIterable>}\n */\n$jscomp.Map.prototype.entries = function() {\n return this.iter_(function(entry) {\n return [entry.key, entry.value];\n });\n};\n/**\n @return {!IteratorIterable}\n */\n$jscomp.Map.prototype.keys = function() {\n return this.iter_(function(entry) {\n return entry.key;\n });\n};\n/**\n @return {!IteratorIterable}\n */\n$jscomp.Map.prototype.values = function() {\n return this.iter_(function(entry) {\n return entry.value;\n });\n};\n/**\n @param {function(this:THIS,VALUE,KEY,!$jscomp.Map)} callback\n @param {THIS=} opt_thisArg\n @template THIS\n */\n$jscomp.Map.prototype.forEach = function(callback, opt_thisArg) {\n for (var $jscomp$iter$2 = $jscomp.makeIterator(this.entries()), $jscomp$key$entry = $jscomp$iter$2.next();!$jscomp$key$entry.done;$jscomp$key$entry = $jscomp$iter$2.next()) {\n /** @const */ var entry = $jscomp$key$entry.value;\n callback.call(opt_thisArg, /** @type {VALUE} */ (entry[1]), /** @type {KEY} */ (entry[0]), /** @type {!$jscomp.Map} */ (this));\n }\n};\n/**\n @private\n @param {function(!$jscomp.Map.Entry_):T} func\n @return {!IteratorIterable}\n @template T\n */\n$jscomp.Map.prototype.iter_ = function(func) {\n /** @const */ var map = this;\n var entry = this.head_;\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n var $jscomp$compprop3 = {};\n return /** @type {!IteratorIterable} */ ($jscomp$compprop3.next = function() {\n if (entry) {\n while (entry.head != map.head_) {\n entry = entry.previous;\n }\n while (entry.next != entry.head) {\n entry = entry.next;\n return {done:false, value:func(entry)};\n }\n entry = null;\n }\n return {done:true, value:void 0};\n }, $jscomp$compprop3[Symbol.iterator] = function() {\n return /** @type {!Iterator} */ (this);\n }, $jscomp$compprop3);\n};\n/** @private @type {number} */ $jscomp.Map.index_ = 0;\n/**\n @private\n @param {!Object} obj\n @param {string} key\n @param {*} value\n */\n$jscomp.Map.defineProperty_ = Object.defineProperty ? function(obj, key, value) {\n Object.defineProperty(obj, key, {value:String(value)});\n} : function(obj, key, value) {\n obj[key] = String(value);\n};\n/**\n @private\n @record\n @template KEY,VALUE\n */\n$jscomp.Map.Entry_ = function() {\n};\n/** @type {!$jscomp.Map.Entry_} */ $jscomp.Map.Entry_.prototype.previous;\n/** @type {!$jscomp.Map.Entry_} */ $jscomp.Map.Entry_.prototype.next;\n/** @type {?Object} */ $jscomp.Map.Entry_.prototype.head;\n/** @type {KEY} */ $jscomp.Map.Entry_.prototype.key;\n/** @type {VALUE} */ $jscomp.Map.Entry_.prototype.value;\n/** @define {boolean} */ $jscomp.Map.ASSUME_NO_NATIVE = false;\n$jscomp.Map$install = function() {\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n if (!$jscomp.Map.ASSUME_NO_NATIVE && $jscomp.Map.checkBrowserConformance_()) {\n $jscomp.Map = $jscomp.global[\"Map\"];\n } else {\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n $jscomp.Map.prototype[Symbol.iterator] = $jscomp.Map.prototype.entries;\n $jscomp.initSymbol();\n /** @private @const @type {symbol} */ $jscomp.Map.key_ = Symbol(\"map-id-key\");\n }\n $jscomp.Map$install = function() {\n };\n};\n$jscomp.math = $jscomp.math || {};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.clz32 = function(x) {\n x = Number(x) >>> 0;\n if (x === 0) {\n return 32;\n }\n var result = 0;\n if ((x & 4294901760) === 0) {\n x <<= 16;\n result += 16;\n }\n if ((x & 4278190080) === 0) {\n x <<= 8;\n result += 8;\n }\n if ((x & 4026531840) === 0) {\n x <<= 4;\n result += 4;\n }\n if ((x & 3221225472) === 0) {\n x <<= 2;\n result += 2;\n }\n if ((x & 2147483648) === 0) {\n result++;\n }\n return result;\n};\n/**\n @param {*} a\n @param {*} b\n @return {number}\n */\n$jscomp.math.imul = function(a, b) {\n a = Number(a);\n b = Number(b);\n /** @const */ var ah = a >>> 16 & 65535;\n /** @const */ var al = a & 65535;\n /** @const */ var bh = b >>> 16 & 65535;\n /** @const */ var bl = b & 65535;\n /** @const */ var lh = ah * bl + al * bh << 16 >>> 0;\n return al * bl + lh | 0;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.sign = function(x) {\n x = Number(x);\n return x === 0 || isNaN(x) ? x : x > 0 ? 1 : -1;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.log10 = function(x) {\n return Math.log(x) / Math.LN10;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.log2 = function(x) {\n return Math.log(x) / Math.LN2;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.log1p = function(x) {\n x = Number(x);\n if (x < .25 && x > -.25) {\n var y = x;\n var d = 1;\n var z = x;\n var zPrev = 0;\n var s = 1;\n while (zPrev != z) {\n y *= x;\n s *= -1;\n z = (zPrev = z) + s * y / ++d;\n }\n return z;\n }\n return Math.log(1 + x);\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.expm1 = function(x) {\n x = Number(x);\n if (x < .25 && x > -.25) {\n var y = x;\n var d = 1;\n var z = x;\n var zPrev = 0;\n while (zPrev != z) {\n y *= x / ++d;\n z = (zPrev = z) + y;\n }\n return z;\n }\n return Math.exp(x) - 1;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.cosh = function(x) {\n x = Number(x);\n return (Math.exp(x) + Math.exp(-x)) / 2;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.sinh = function(x) {\n x = Number(x);\n if (x === 0) {\n return x;\n }\n return (Math.exp(x) - Math.exp(-x)) / 2;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.tanh = function(x) {\n x = Number(x);\n if (x === 0) {\n return x;\n }\n /** @const */ var y = Math.exp(2 * -Math.abs(x));\n /** @const */ var z = (1 - y) / (1 + y);\n return x < 0 ? -z : z;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.acosh = function(x) {\n x = Number(x);\n return Math.log(x + Math.sqrt(x * x - 1));\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.asinh = function(x) {\n x = Number(x);\n if (x === 0) {\n return x;\n }\n /** @const */ var y = Math.log(Math.abs(x) + Math.sqrt(x * x + 1));\n return x < 0 ? -y : y;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.atanh = function(x) {\n x = Number(x);\n return ($jscomp.math.log1p(x) - $jscomp.math.log1p(-x)) / 2;\n};\n/**\n @param {*} x\n @param {*} y\n @param {...*} rest\n @return {number}\n */\n$jscomp.math.hypot = function(x, y, rest) {\n var $jscomp$restParams = [];\n for (var $jscomp$restIndex = 2;$jscomp$restIndex < arguments.length;++$jscomp$restIndex) {\n $jscomp$restParams[$jscomp$restIndex - 2] = arguments[$jscomp$restIndex];\n }\n var /** @type {!Array<*>} */ rest$11 = $jscomp$restParams;\n x = Number(x);\n y = Number(y);\n var max = Math.max(Math.abs(x), Math.abs(y));\n for (var $jscomp$iter$4 = $jscomp.makeIterator(rest$11), $jscomp$key$z = $jscomp$iter$4.next();!$jscomp$key$z.done;$jscomp$key$z = $jscomp$iter$4.next()) {\n var z = $jscomp$key$z.value;\n max = Math.max(max, Math.abs(z));\n }\n if (max > 1E100 || max < 1E-100) {\n x = x / max;\n y = y / max;\n var sum = x * x + y * y;\n for (var $jscomp$iter$5 = $jscomp.makeIterator(rest$11), $jscomp$key$z = $jscomp$iter$5.next();!$jscomp$key$z.done;$jscomp$key$z = $jscomp$iter$5.next()) {\n var z$12 = $jscomp$key$z.value;\n z$12 = Number(z$12) / max;\n sum += z$12 * z$12;\n }\n return Math.sqrt(sum) * max;\n } else {\n var sum$13 = x * x + y * y;\n for (var $jscomp$iter$6 = $jscomp.makeIterator(rest$11), $jscomp$key$z = $jscomp$iter$6.next();!$jscomp$key$z.done;$jscomp$key$z = $jscomp$iter$6.next()) {\n var z$14 = $jscomp$key$z.value;\n z$14 = Number(z$14);\n sum$13 += z$14 * z$14;\n }\n return Math.sqrt(sum$13);\n }\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.trunc = function(x) {\n x = Number(x);\n if (isNaN(x) || x === Infinity || x === -Infinity || x === 0) {\n return x;\n }\n /** @const */ var y = Math.floor(Math.abs(x));\n return x < 0 ? -y : y;\n};\n/**\n @param {*} x\n @return {number}\n */\n$jscomp.math.cbrt = function(x) {\n if (x === 0) {\n return x;\n }\n x = Number(x);\n /** @const */ var y = Math.pow(Math.abs(x), 1 / 3);\n return x < 0 ? -y : y;\n};\n$jscomp.number = $jscomp.number || {};\n/**\n @param {*} x\n @return {boolean}\n */\n$jscomp.number.isFinite = function(x) {\n if (typeof x !== \"number\") {\n return false;\n }\n return !isNaN(x) && x !== Infinity && x !== -Infinity;\n};\n/**\n @param {*} x\n @return {boolean}\n */\n$jscomp.number.isInteger = function(x) {\n if (!$jscomp.number.isFinite(x)) {\n return false;\n }\n return x === Math.floor(x);\n};\n/**\n @param {*} x\n @return {boolean}\n */\n$jscomp.number.isNaN = function(x) {\n return typeof x === \"number\" && isNaN(x);\n};\n/**\n @param {*} x\n @return {boolean}\n */\n$jscomp.number.isSafeInteger = function(x) {\n return $jscomp.number.isInteger(x) && Math.abs(x) <= $jscomp.number.MAX_SAFE_INTEGER;\n};\n/** @const @type {number} */ $jscomp.number.EPSILON = Math.pow(2, -52);\n/** @const @type {number} */ $jscomp.number.MAX_SAFE_INTEGER = 9007199254740991;\n/** @const @type {number} */ $jscomp.number.MIN_SAFE_INTEGER = -9007199254740991;\n$jscomp.object = $jscomp.object || {};\n/**\n @param {!Object} target\n @param {...?Object} sources\n @return {!Object}\n */\n$jscomp.object.assign = function(target, sources) {\n var $jscomp$restParams = [];\n for (var $jscomp$restIndex = 1;$jscomp$restIndex < arguments.length;++$jscomp$restIndex) {\n $jscomp$restParams[$jscomp$restIndex - 1] = arguments[$jscomp$restIndex];\n }\n var /** @type {!Array} */ sources$15 = $jscomp$restParams;\n for (var $jscomp$iter$7 = $jscomp.makeIterator(sources$15), $jscomp$key$source = $jscomp$iter$7.next();!$jscomp$key$source.done;$jscomp$key$source = $jscomp$iter$7.next()) {\n /** @const */ var source = $jscomp$key$source.value;\n if (!source) {\n continue;\n }\n for (var key in source) {\n if (Object.prototype.hasOwnProperty.call(source, key)) {\n target[key] = source[key];\n }\n }\n }\n return target;\n};\n/**\n @param {*} left\n @param {*} right\n @return {boolean}\n */\n$jscomp.object.is = function(left, right) {\n if (left === right) {\n return left !== 0 || 1 / left === 1 / /** @type {number} */ (right);\n } else {\n return left !== left && right !== right;\n }\n};\n/**\n @struct\n @constructor\n @implements {Iterable}\n @param {(!Iterable|!Array)=} opt_iterable\n @template VALUE\n */\n$jscomp.Set = function(opt_iterable) {\n opt_iterable = opt_iterable === undefined ? [] : opt_iterable;\n /** @private @const @type {!$jscomp.Map} */ this.map_ = new $jscomp.Map;\n if (opt_iterable) {\n for (var $jscomp$iter$8 = $jscomp.makeIterator(opt_iterable), $jscomp$key$item = $jscomp$iter$8.next();!$jscomp$key$item.done;$jscomp$key$item = $jscomp$iter$8.next()) {\n /** @const */ var item = $jscomp$key$item.value;\n this.add(/** @type {VALUE} */ (item));\n }\n }\n this.size = this.map_.size;\n};\n/**\n @private\n @return {boolean}\n */\n$jscomp.Set.checkBrowserConformance_ = function() {\n /** @const */ var Set = $jscomp.global[\"Set\"];\n if (!Set || !Set.prototype.entries || !Object.seal) {\n return false;\n }\n /** @const */ var value = Object.seal({x:4});\n /** @const */ var set = new Set($jscomp.makeIterator([value]));\n if (set.has(value) || set.size != 1 || set.add(value) != set || set.size != 1 || set.add({x:4}) != set || set.size != 2) {\n return false;\n }\n /** @const */ var iter = set.entries();\n var item = iter.next();\n if (item.done || item.value[0] != value || item.value[1] != value) {\n return false;\n }\n item = iter.next();\n if (item.done || item.value[0] == value || item.value[0].x != 4 || item.value[1] != item.value[0]) {\n return false;\n }\n return iter.next().done;\n};\n/**\n @param {VALUE} value\n */\n$jscomp.Set.prototype.add = function(value) {\n this.map_.set(value, value);\n this.size = this.map_.size;\n return this;\n};\n/**\n @param {VALUE} value\n @return {boolean}\n */\n$jscomp.Set.prototype.delete = function(value) {\n /** @const */ var result = this.map_.delete(value);\n this.size = this.map_.size;\n return result;\n};\n$jscomp.Set.prototype.clear = function() {\n this.map_.clear();\n this.size = 0;\n};\n/**\n @param {*} value\n @return {boolean}\n */\n$jscomp.Set.prototype.has = function(value) {\n return this.map_.has(value);\n};\n/**\n @return {!IteratorIterable>}\n */\n$jscomp.Set.prototype.entries = function() {\n return this.map_.entries();\n};\n/**\n @return {!IteratorIterable}\n */\n$jscomp.Set.prototype.values = function() {\n return this.map_.values();\n};\n/**\n @param {function(this:THIS,VALUE,VALUE,!$jscomp.Set)} callback\n @param {THIS=} opt_thisArg\n @template THIS\n */\n$jscomp.Set.prototype.forEach = function(callback, opt_thisArg) {\n /** @const */ var $jscomp$this = this;\n this.map_.forEach(function(value) {\n return callback.call(opt_thisArg, value, value, $jscomp$this);\n });\n};\n/** @define {boolean} */ $jscomp.Set.ASSUME_NO_NATIVE = false;\n$jscomp.Set$install = function() {\n if (!$jscomp.Set.ASSUME_NO_NATIVE && $jscomp.Set.checkBrowserConformance_()) {\n $jscomp.Set = $jscomp.global[\"Set\"];\n } else {\n $jscomp.Map$install();\n $jscomp.initSymbol();\n $jscomp.initSymbolIterator();\n $jscomp.Set.prototype[Symbol.iterator] = $jscomp.Set.prototype.values;\n }\n $jscomp.Set$install = function() {\n };\n};\n$jscomp.string = $jscomp.string || {};\n/**\n @private\n @param {*} str\n @param {string} func\n */\n$jscomp.string.noNullOrUndefined_ = function(str, func) {\n if (str == null) {\n throw new TypeError(\"The 'this' value for String.prototype.\" + func + \" \" + \"must not be null or undefined\");\n }\n};\n/**\n @private\n @param {*} str\n @param {string} func\n */\n$jscomp.string.noRegExp_ = function(str, func) {\n if (str instanceof RegExp) {\n throw new TypeError(\"First argument to String.prototype.\" + func + \" \" + \"must not be a regular expression\");\n }\n};\n/**\n @param {...number} codepoints\n @return {string}\n */\n$jscomp.string.fromCodePoint = function(codepoints) {\n var $jscomp$restParams = [];\n for (var $jscomp$restIndex = 0;$jscomp$restIndex < arguments.length;++$jscomp$restIndex) {\n $jscomp$restParams[$jscomp$restIndex - 0] = arguments[$jscomp$restIndex];\n }\n var /** @type {!Array} */ codepoints$16 = $jscomp$restParams;\n var result = \"\";\n for (var $jscomp$iter$9 = $jscomp.makeIterator(codepoints$16), $jscomp$key$code = $jscomp$iter$9.next();!$jscomp$key$code.done;$jscomp$key$code = $jscomp$iter$9.next()) {\n var code = $jscomp$key$code.value;\n code = +code;\n if (code < 0 || code > 1114111 || code !== Math.floor(code)) {\n throw new RangeError(\"invalid_code_point \" + code);\n }\n if (code <= 65535) {\n result += String.fromCharCode(code);\n } else {\n code -= 65536;\n result += String.fromCharCode(code >>> 10 & 1023 | 55296);\n result += String.fromCharCode(code & 1023 | 56320);\n }\n }\n return result;\n};\n/**\n @this {*}\n @param {number} copies\n @return {string}\n */\n$jscomp.string.repeat = function(copies) {\n $jscomp.string.noNullOrUndefined_(this, \"repeat\");\n var /** string */ string = String(this);\n if (copies < 0 || copies > 1342177279) {\n throw new RangeError(\"Invalid count value\");\n }\n copies = copies | 0;\n var result = \"\";\n while (copies) {\n if (copies & 1) {\n result += string;\n }\n if (copies >>>= 1) {\n string += string;\n }\n }\n return result;\n};\n/**\n @const\n @suppress {checkTypes,const}\n */\n$jscomp.string.repeat$install = function() {\n if (!String.prototype.repeat) {\n String.prototype.repeat = $jscomp.string.repeat;\n }\n};\n/**\n @this {*}\n @param {number} position\n @return {(number|undefined)}\n */\n$jscomp.string.codePointAt = function(position) {\n $jscomp.string.noNullOrUndefined_(this, \"codePointAt\");\n /** @const */ var string = String(this);\n /** @const */ var size = string.length;\n position = Number(position) || 0;\n if (!(position >= 0 && position < size)) {\n return void 0;\n }\n position = position | 0;\n /** @const */ var first = string.charCodeAt(position);\n if (first < 55296 || first > 56319 || position + 1 === size) {\n return first;\n }\n /** @const */ var second = string.charCodeAt(position + 1);\n if (second < 56320 || second > 57343) {\n return first;\n }\n return (first - 55296) * 1024 + second + 9216;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.string.codePointAt$install = function() {\n if (!String.prototype.codePointAt) {\n String.prototype.codePointAt = $jscomp.string.codePointAt;\n }\n};\n/**\n @this {*}\n @param {string} searchString\n @param {number=} opt_position\n @return {boolean}\n */\n$jscomp.string.includes = function(searchString, opt_position) {\n opt_position = opt_position === undefined ? 0 : opt_position;\n $jscomp.string.noRegExp_(searchString, \"includes\");\n $jscomp.string.noNullOrUndefined_(this, \"includes\");\n /** @const */ var string = String(this);\n return string.indexOf(searchString, opt_position) !== -1;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.string.includes$install = function() {\n if (!String.prototype.includes) {\n String.prototype.includes = $jscomp.string.includes;\n }\n};\n/**\n @this {*}\n @param {string} searchString\n @param {number=} opt_position\n @return {boolean}\n */\n$jscomp.string.startsWith = function(searchString, opt_position) {\n opt_position = opt_position === undefined ? 0 : opt_position;\n $jscomp.string.noRegExp_(searchString, \"startsWith\");\n $jscomp.string.noNullOrUndefined_(this, \"startsWith\");\n /** @const */ var string = String(this);\n searchString = searchString + \"\";\n /** @const */ var strLen = string.length;\n /** @const */ var searchLen = searchString.length;\n var i = Math.max(0, Math.min(opt_position | 0, string.length));\n var j = 0;\n while (j < searchLen && i < strLen) {\n if (string[i++] != searchString[j++]) {\n return false;\n }\n }\n return j >= searchLen;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.string.startsWith$install = function() {\n if (!String.prototype.startsWith) {\n String.prototype.startsWith = $jscomp.string.startsWith;\n }\n};\n/**\n @this {*}\n @param {string} searchString\n @param {number=} opt_position\n @return {boolean}\n */\n$jscomp.string.endsWith = function(searchString, opt_position) {\n $jscomp.string.noRegExp_(searchString, \"endsWith\");\n $jscomp.string.noNullOrUndefined_(this, \"endsWith\");\n /** @const */ var string = String(this);\n searchString = searchString + \"\";\n if (opt_position === void 0) {\n opt_position = string.length;\n }\n var i = Math.max(0, Math.min(opt_position | 0, string.length));\n var j = searchString.length;\n while (j > 0 && i > 0) {\n if (string[--i] != searchString[--j]) {\n return false;\n }\n }\n return j <= 0;\n};\n/**\n @suppress {checkTypes,const}\n */\n$jscomp.string.endsWith$install = function() {\n if (!String.prototype.endsWith) {\n String.prototype.endsWith = $jscomp.string.endsWith;\n }\n};\n\n\n","js/license.js":"/*\n * Copyright 2015 The Closure Compiler Authors.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n","js/runtime_type_check.js":"/*\n * Copyright 2010 The Closure Compiler Authors.\n *\n * Licensed under the Apache License, Version 2.0 (the \"License\");\n * you may not use this file except in compliance with the License.\n * You may obtain a copy of the License at\n *\n * http://www.apache.org/licenses/LICENSE-2.0\n *\n * Unless required by applicable law or agreed to in writing, software\n * distributed under the License is distributed on an \"AS IS\" BASIS,\n * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n * See the License for the specific language governing permissions and\n * limitations under the License.\n */\n\n\n/**\n * @fileoverview Provides the boilerplate code for run-time type checking.\n *\n * @author [email protected] (Andrew Moedinger)\n * @author [email protected] (Nada Amin)\n */\n'require base';\n\n/** @const */\n$jscomp.typecheck = {};\n\n/**\n * A state variable to suspend checking, to avoid infinite calls\n * caused by calling checked code from the checking functions.\n *\n * @type {boolean}\n */\n$jscomp.typecheck.suspendChecking = false;\n\n\n/**\n * Log and possibly format the run-time type check warning. This\n * function is customized at compile-time.\n *\n * @param {string} warning the warning to log.\n * @param {*} expr the faulty expression.\n */\n$jscomp.typecheck.log = function(warning, expr) {};\n\n/**\n * Checks that the given expression matches one of the given checkers,\n * logging if not, and returning the expression regardless.\n *\n * @param {*} expr the expression to check.\n * @param {!Array.} checkers the checkers to\n * use in checking, one of these has to match for checking to succeed.\n * @return {*} the given expression back.\n */\n$jscomp.typecheck.checkType = function(expr, checkers) {\n if ($jscomp.typecheck.suspendChecking) {\n return expr;\n }\n $jscomp.typecheck.suspendChecking = true;\n\n for (var i = 0; i < checkers.length; i++) {\n var checker = checkers[i];\n var ok = checker.check(expr);\n if (ok) {\n $jscomp.typecheck.suspendChecking = false;\n return expr;\n }\n }\n\n var warning = $jscomp.typecheck.prettify_(expr) + ' not in ' +\n checkers.join(' ');\n\n $jscomp.typecheck.log(warning, expr);\n\n $jscomp.typecheck.suspendChecking = false;\n return expr;\n};\n\n\n/**\n * Prettify the given expression for printing.\n *\n * @param {*} expr the expression.\n * @return {string} a string representation of the given expression.\n * @private\n */\n$jscomp.typecheck.prettify_ = function(expr) {\n var className = $jscomp.typecheck.getClassName_(expr);\n if (className) {\n return className;\n }\n try {\n return String(expr);\n }\n catch (e) {}\n return '';\n};\n\n/**\n * Gets the class name if the given expression is an object.\n *\n * @param {*} expr the expression.\n * @return {string|undefined} the class name or undefined if the\n * expression is not an object.\n * @private\n */\n$jscomp.typecheck.getClassName_ = function(expr) {\n var className = void 0;\n if (typeof expr == 'object' && expr && expr.constructor) {\n className = expr.constructor.name;\n if (!className) {\n var funNameRe = /function (.{1,})\\(/;\n var m = (funNameRe).exec(expr.constructor.toString());\n className = m && m.length > 1 ? m[1] : void 0;\n }\n }\n return className;\n};\n\n/**\n * Interface for all checkers.\n *\n * @interface\n */\n$jscomp.typecheck.Checker = function() {};\n\n\n/**\n * Checks the given expression.\n *\n * @param {*} expr the expression to check.\n * @return {boolean} whether the given expression matches this checker.\n */\n$jscomp.typecheck.Checker.prototype.check = function(expr) {};\n\n\n\n/**\n * A class for all value checkers, except the null checker.\n *\n * @param {string} type the value type (e.g. 'number') of this checker.\n * @constructor\n * @implements {$jscomp.typecheck.Checker}\n * @private\n */\n$jscomp.typecheck.ValueChecker_ = function(type) {\n /**\n * The value type of this checker.\n * @type {string}\n * @private\n */\n this.type_ = type;\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ValueChecker_.prototype.check = function(expr) {\n return typeof(expr) == this.type_;\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ValueChecker_.prototype.toString = function() {\n return 'value(' + this.type_ + ')';\n};\n\n\n\n/**\n * A checker class for null values.\n *\n * @constructor\n * @implements {$jscomp.typecheck.Checker}\n * @private\n */\n$jscomp.typecheck.NullChecker_ = function() {};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.NullChecker_.prototype.check = function(expr) {\n return expr === null;\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.NullChecker_.prototype.toString = function() {\n return 'value(null)';\n};\n\n\n/**\n * A checker class for a class defined in externs, including built-in\n * JS types.\n *\n * If the class type is undefined, then checking is suspended to\n * avoid spurious warnings. This is necessary because some externs\n * types are not defined in all browsers. For example, Window is not\n * defined Chrome, as window has the type DOMWindow.\n *\n *
Another subtlety is that a built-in type may be referenced in a\n * different frame than the one in which it was created. This causes\n * instanceOf to return false even though the object is of the correct\n * type. We work around this by checking as many windows as possible,\n * redefining open on top and window to keep track of them.\n *\n * @param {string} className the name of the extern class to check.\n * @constructor\n * @implements {$jscomp.typecheck.Checker}\n * @private\n */\n$jscomp.typecheck.ExternClassChecker_ = function(className) {\n /**\n * The name of the extern class to check.\n * @type {string}\n * @private\n */\n this.className_ = className;\n};\n\n\n/**\n * A list of (hopefully all) open windows.\n *\n * @type {!Array.}\n */\n$jscomp.typecheck.ExternClassChecker_.windows = [];\n\n\n/**\n * A list of the original open methods that have been redefined.\n *\n * @type {!Array.}\n */\n$jscomp.typecheck.ExternClassChecker_.oldOpenFuns = [];\n\n\n/**\n * Redefines the open method on the given window, adding tracking.\n *\n * @param {!Window} win the window to track.\n */\n$jscomp.typecheck.ExternClassChecker_.trackOpenOnWindow = function(win) {\n if (win.tracked) {\n return;\n }\n win.tracked = true;\n\n var key = $jscomp.typecheck.ExternClassChecker_.oldOpenFuns.length;\n\n $jscomp.typecheck.ExternClassChecker_.oldOpenFuns.push(win.open);\n $jscomp.typecheck.ExternClassChecker_.windows.push(win);\n\n win.open = function() {\n var w = $jscomp.typecheck.ExternClassChecker_.oldOpenFuns[key].apply(\n this, arguments);\n $jscomp.typecheck.ExternClassChecker_.trackOpenOnWindow(w);\n return w;\n };\n};\n\n\n/**\n * Returns the global 'this' object. This will normally be the same as 'window'\n * but when running in a worker thread, the DOM is not available.\n * @return {!Window}\n * @private\n */\n$jscomp.typecheck.ExternClassChecker_.getGlobalThis_ = function() {\n return (function() { return this; }).call(null);\n};\n\n\n// Install listeners on the global 'this' object.\n(function() {\n var globalThis = $jscomp.typecheck.ExternClassChecker_.getGlobalThis_();\n $jscomp.typecheck.ExternClassChecker_.trackOpenOnWindow(globalThis);\n\n var theTop = globalThis['top'];\n if (theTop) {\n $jscomp.typecheck.ExternClassChecker_.trackOpenOnWindow(theTop);\n }\n})();\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ExternClassChecker_.prototype.check = function(expr) {\n var classTypeDefined = [ false ];\n for (var i = 0; i < $jscomp.typecheck.ExternClassChecker_.windows.length;\n i++) {\n var w = $jscomp.typecheck.ExternClassChecker_.windows[i];\n if (this.checkWindow_(w, expr, classTypeDefined)) {\n return true;\n }\n }\n return !classTypeDefined[0];\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ExternClassChecker_.prototype.toString = function() {\n return 'ext_class(' + this.className_ + ')';\n};\n\n\n/**\n * Checks whether the given expression is an instance of this extern\n * class in this window or any of its frames and subframes.\n *\n * @param {!Window} w the window to start checking from.\n * @param {*} expr the expression to check.\n * @param {!Array.} classTypeDefined a wrapped boolean\n * updated to indicate whether the class type was seen in any frame.\n * @return true if the given expression is an instance of this class.\n * @private\n */\n$jscomp.typecheck.ExternClassChecker_.prototype.checkWindow_ =\n function(w, expr, classTypeDefined) {\n var classType = w[this.className_];\n classTypeDefined[0] |= !!classType;\n if (classType && expr instanceof classType) {\n return true;\n }\n for (var i = 0; i < w.length; i++) {\n if (this.checkWindow_(w.frames[i], expr, classTypeDefined)) {\n return true;\n }\n }\n return false;\n};\n\n\n\n/**\n * A class for all checkers of user-defined classes.\n *\n * @param {string} className name of the class to check.\n * @constructor\n * @implements {$jscomp.typecheck.Checker}\n * @private\n */\n$jscomp.typecheck.ClassChecker_ = function(className) {\n\n /**\n * The name of the class to check.\n * @type {string}\n * @private\n */\n this.className_ = className;\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ClassChecker_.prototype.check = function(expr) {\n return !!(expr && expr['instance_of__' + this.className_]);\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ClassChecker_.prototype.toString = function() {\n return 'class(' + this.className_ + ')';\n};\n\n\n\n/**\n * A class for all checkers of user-defined interfaces.\n *\n * @param {string} interfaceName name of the interface to check.\n * @constructor\n * @implements {$jscomp.typecheck.Checker}\n * @private\n */\n$jscomp.typecheck.InterfaceChecker_ = function(interfaceName) {\n\n /**\n * The name of the interface to check.\n * @type {string}\n * @private\n */\n this.interfaceName_ = interfaceName;\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.InterfaceChecker_.prototype.check = function(expr) {\n return !!(expr && expr['implements__' + this.interfaceName_]);\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.InterfaceChecker_.prototype.toString = function() {\n return 'interface(' + this.interfaceName_ + ')';\n};\n\n\n\n/**\n * A checker for object types (possibly with non-standard prototype: might not\n * inherit from Object).\n *\n * @constructor\n * @implements {$jscomp.typecheck.Checker}\n * @private\n */\n$jscomp.typecheck.ObjectChecker_ = function() {};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ObjectChecker_.prototype.check = function(expr) {\n return typeof(expr) == 'object' && !!expr;\n};\n\n\n/** @inheritDoc */\n$jscomp.typecheck.ObjectChecker_.prototype.toString = function() {\n return 'value(object)';\n};\n\n\n\n/**\n * A checker for null values.\n *\n * @type {!$jscomp.typecheck.Checker} a checker.\n */\n$jscomp.typecheck.nullChecker = new $jscomp.typecheck.NullChecker_();\n\n\n/**\n * Creates a checker for the given value type (excluding the null type).\n *\n * @param {string} type the value type.\n * @return {!$jscomp.typecheck.Checker} a checker.\n */\n$jscomp.typecheck.valueChecker = function(type) {\n return new $jscomp.typecheck.ValueChecker_(type);\n};\n\n\n/**\n * Creates a checker for the given extern class name.\n *\n * @param {string} className the class name.\n * @return {!$jscomp.typecheck.Checker} a checker.\n */\n$jscomp.typecheck.externClassChecker = function(className) {\n return new $jscomp.typecheck.ExternClassChecker_(className);\n};\n\n\n/**\n * Creates a checker for the given user-defined class.\n *\n * @param {string} className the class name.\n * @return {!$jscomp.typecheck.Checker} a checker.\n */\n$jscomp.typecheck.classChecker = function(className) {\n return new $jscomp.typecheck.ClassChecker_(className);\n};\n\n\n/**\n * Creates a checker for the given user-defined interface.\n *\n * @param {string} interfaceName the interface name.\n * @return {!$jscomp.typecheck.Checker} a checker.\n */\n$jscomp.typecheck.interfaceChecker = function(interfaceName) {\n return new $jscomp.typecheck.InterfaceChecker_(interfaceName);\n};\n\n\n/**\n * A checker for objects.\n *\n * @type {!$jscomp.typecheck.Checker} a checker.\n */\n$jscomp.typecheck.objectChecker = new $jscomp.typecheck.ObjectChecker_();\n"}
