closure advanced compilation

.eslintrc.json

@@ -19,6 +19,6 @@
     "Polymer": true,
     "ShadyDOM": true,
     "ShadyCSS": true,
-    "goog": true
+    "JSCompiler_renameProperty": true
   }
 }

externs/closure-types.js

@@ -0,0 +1,718 @@
+
+/**
+ * @fileoverview Closure types for Polymer mixins
+ * @externs
+ *
+ * This file is generated, do not edit manually
+ */
+/* eslint-disable no-unused-vars */
+
+/**
+* @record
+*/
+function Polymer_PropertyAccessors(){}
+/**
+*/
+Polymer_PropertyAccessors.prototype._initializeProperties = function(){};
+/**
+* @param {Object} props
+*/
+Polymer_PropertyAccessors.prototype._initializeProtoProperties = function(props){};
+/**
+* @param {string} attribute
+* @param {string} value
+*/
+Polymer_PropertyAccessors.prototype._ensureAttribute = function(attribute, value){};
+/**
+* @param {string} attribute
+* @param {string} value
+* @param {*} type
+*/
+Polymer_PropertyAccessors.prototype._attributeToProperty = function(attribute, value, type){};
+/**
+* @param {string} property
+* @param {string=} attribute
+* @param {*=} value
+*/
+Polymer_PropertyAccessors.prototype._propertyToAttribute = function(property, attribute, value){};
+/**
+* @param {Element} node
+* @param {*} value
+* @param {string} attribute
+*/
+Polymer_PropertyAccessors.prototype._valueToNodeAttribute = function(node, value, attribute){};
+/**
+* @param {*} value
+* @return {(string|undefined)}
+*/
+Polymer_PropertyAccessors.prototype._serializeValue = function(value){};
+/**
+* @param {string} value
+* @param {*} type
+* @return {*}
+*/
+Polymer_PropertyAccessors.prototype._deserializeValue = function(value, type){};
+/**
+* @param {string} property
+* @param {boolean=} readOnly
+*/
+Polymer_PropertyAccessors.prototype._createPropertyAccessor = function(property, readOnly){};
+/**
+* @param {string} property
+* @param {*} value
+*/
+Polymer_PropertyAccessors.prototype._setProperty = function(property, value){};
+/**
+* @param {string} property
+* @param {*} value
+*/
+Polymer_PropertyAccessors.prototype._setPendingProperty = function(property, value){};
+/**
+* @param {string} prop
+* @return {boolean}
+*/
+Polymer_PropertyAccessors.prototype._isPropertyPending = function(prop){};
+/**
+*/
+Polymer_PropertyAccessors.prototype._invalidateProperties = function(){};
+/**
+*/
+Polymer_PropertyAccessors.prototype._flushProperties = function(){};
+/**
+* @param {Object} currentProps
+* @param {Object} changedProps
+* @param {Object} oldProps
+*/
+Polymer_PropertyAccessors.prototype._propertiesChanged = function(currentProps, changedProps, oldProps){};
+/**
+* @param {string} property
+* @param {*} value
+* @param {*} old
+* @return {boolean}
+*/
+Polymer_PropertyAccessors.prototype._shouldPropertyChange = function(property, value, old){};
+/**
+* @record
+*/
+function Polymer_TemplateStamp(){}
+/**
+* @param {HTMLTemplateElement} template
+*/
+Polymer_TemplateStamp.prototype._stampTemplate = function(template){};
+/**
+* @param {*} template
+*/
+Polymer_TemplateStamp.prototype._parseTemplateAnnotations = function(template){};
+/**
+* @param {*} node
+* @param {*} eventName
+* @param {*} methodName
+* @param {*} context
+*/
+Polymer_TemplateStamp.prototype._addMethodEventListenerToNode = function(node, eventName, methodName, context){};
+/**
+* @param {*} node
+* @param {*} eventName
+* @param {*} handler
+*/
+Polymer_TemplateStamp.prototype._addEventListenerToNode = function(node, eventName, handler){};
+/**
+* @param {*} node
+* @param {*} eventName
+* @param {*} handler
+*/
+Polymer_TemplateStamp.prototype._removeEventListenerFromNode = function(node, eventName, handler){};
+/**
+* @record
+* @extends {Polymer_TemplateStamp}
+* @extends {Polymer_PropertyAccessors}
+*/
+function Polymer_PropertyEffects(){}
+/**
+*/
+Polymer_PropertyEffects.prototype._initializeProperties = function(){};
+/**
+* @param {*} props
+*/
+Polymer_PropertyEffects.prototype._initializeProtoProperties = function(props){};
+/**
+* @param {*} property
+* @param {string} type
+* @param {Object=} effect
+*/
+Polymer_PropertyEffects.prototype._addPropertyEffect = function(property, type, effect){};
+/**
+* @param {string} property
+* @param {string=} type
+* @return {boolean}
+*/
+Polymer_PropertyEffects.prototype._hasPropertyEffect = function(property, type){};
+/**
+* @param {string} property
+* @return {boolean}
+*/
+Polymer_PropertyEffects.prototype._hasReadOnlyEffect = function(property){};
+/**
+* @param {string} property
+* @return {boolean}
+*/
+Polymer_PropertyEffects.prototype._hasNotifyEffect = function(property){};
+/**
+* @param {string} property
+* @return {boolean}
+*/
+Polymer_PropertyEffects.prototype._hasReflectEffect = function(property){};
+/**
+* @param {string} property
+* @return {boolean}
+*/
+Polymer_PropertyEffects.prototype._hasComputedEffect = function(property){};
+/**
+* @param {(string|!Array.<(number|string)>)} path
+* @param {*} value
+* @param {*} shouldNotify
+* @param {boolean=} isPathNotification
+* @return {boolean}
+*/
+Polymer_PropertyEffects.prototype._setPendingPropertyOrPath = function(path, value, shouldNotify, isPathNotification){};
+/**
+* @param {Node} node
+* @param {string} prop
+* @param {*} value
+*/
+Polymer_PropertyEffects.prototype._setUnmanagedPropertyToNode = function(node, prop, value){};
+/**
+* @param {*} property
+* @param {*} value
+* @param {*} shouldNotify
+*/
+Polymer_PropertyEffects.prototype._setPendingProperty = function(property, value, shouldNotify){};
+/**
+* @param {*} property
+* @param {*} value
+*/
+Polymer_PropertyEffects.prototype._setProperty = function(property, value){};
+/**
+*/
+Polymer_PropertyEffects.prototype._invalidateProperties = function(){};
+/**
+* @param {Object} client
+*/
+Polymer_PropertyEffects.prototype._enqueueClient = function(client){};
+/**
+*/
+Polymer_PropertyEffects.prototype._flushClients = function(){};
+/**
+* @param {Object} props
+*/
+Polymer_PropertyEffects.prototype.setProperties = function(props){};
+/**
+*/
+Polymer_PropertyEffects.prototype._flushProperties = function(){};
+/**
+*/
+Polymer_PropertyEffects.prototype.ready = function(){};
+/**
+*/
+Polymer_PropertyEffects.prototype._readyClients = function(){};
+/**
+* @param {HTMLTemplateElement} template
+* @return {DocumentFragment}
+*/
+Polymer_PropertyEffects.prototype._stampTemplate = function(template){};
+/**
+* @param {*} currentProps
+* @param {*} changedProps
+* @param {*} oldProps
+*/
+Polymer_PropertyEffects.prototype._propertiesChanged = function(currentProps, changedProps, oldProps){};
+/**
+* @param {(string|!Array.<(string|number)>)} to
+* @param {(string|!Array.<(string|number)>)} from
+*/
+Polymer_PropertyEffects.prototype.linkPaths = function(to, from){};
+/**
+* @param {(string|!Array.<(string|number)>)} path
+*/
+Polymer_PropertyEffects.prototype.unlinkPaths = function(path){};
+/**
+* @param {string} path
+* @param {Array} splices
+*/
+Polymer_PropertyEffects.prototype.notifySplices = function(path, splices){};
+/**
+* @param {(string|!Array.<(string|number)>)} path
+* @param {Object=} root
+* @return {*}
+*/
+Polymer_PropertyEffects.prototype.get = function(path, root){};
+/**
+* @param {(string|!Array.<(string|number)>)} path
+* @param {*} value
+* @param {Object=} root
+*/
+Polymer_PropertyEffects.prototype.set = function(path, value, root){};
+/**
+* @param {string} path
+* @param {*} items
+* @return {number}
+*/
+Polymer_PropertyEffects.prototype.push = function(path, items){};
+/**
+* @param {string} path
+* @return {*}
+*/
+Polymer_PropertyEffects.prototype.pop = function(path){};
+/**
+* @param {string} path
+* @param {number} start
+* @param {number} deleteCount
+* @param {*} items
+* @return {Array}
+*/
+Polymer_PropertyEffects.prototype.splice = function(path, start, deleteCount, items){};
+/**
+* @param {string} path
+* @return {*}
+*/
+Polymer_PropertyEffects.prototype.shift = function(path){};
+/**
+* @param {string} path
+* @param {*} items
+* @return {number}
+*/
+Polymer_PropertyEffects.prototype.unshift = function(path, items){};
+/**
+* @param {string} path
+* @param {*=} value
+*/
+Polymer_PropertyEffects.prototype.notifyPath = function(path, value){};
+/**
+* @param {string} property
+* @param {boolean=} protectedSetter
+*/
+Polymer_PropertyEffects.prototype._createReadOnlyProperty = function(property, protectedSetter){};
+/**
+* @param {string} property
+* @param {string} methodName
+* @param {boolean=} dynamicFn
+*/
+Polymer_PropertyEffects.prototype._createPropertyObserver = function(property, methodName, dynamicFn){};
+/**
+* @param {string} expression
+* @param {Object=} dynamicFns
+*/
+Polymer_PropertyEffects.prototype._createMethodObserver = function(expression, dynamicFns){};
+/**
+* @param {string} property
+*/
+Polymer_PropertyEffects.prototype._createNotifyingProperty = function(property){};
+/**
+* @param {string} property
+*/
+Polymer_PropertyEffects.prototype._createReflectedProperty = function(property){};
+/**
+* @param {string} property
+* @param {string} expression
+* @param {Object=} dynamicFns
+*/
+Polymer_PropertyEffects.prototype._createComputedProperty = function(property, expression, dynamicFns){};
+/**
+* @param {HTMLTemplateElement} template
+* @param {Object=} dynamicFns
+*/
+Polymer_PropertyEffects.prototype._bindTemplate = function(template, dynamicFns){};
+/**
+* @record
+* @extends {Polymer_PropertyEffects}
+*/
+function Polymer_ElementMixin(){}
+/**
+*/
+Polymer_ElementMixin.prototype._initializeProperties = function(){};
+/**
+*/
+Polymer_ElementMixin.prototype.connectedCallback = function(){};
+/**
+*/
+Polymer_ElementMixin.prototype.disconnectedCallback = function(){};
+/**
+*/
+Polymer_ElementMixin.prototype._readyClients = function(){};
+/**
+* @param {NodeList} dom
+* @return {Node}
+*/
+Polymer_ElementMixin.prototype._attachDom = function(dom){};
+/**
+* @param {*} name
+* @param {*} old
+* @param {*} value
+*/
+Polymer_ElementMixin.prototype.attributeChangedCallback = function(name, old, value){};
+/**
+* @param {Object=} properties
+*/
+Polymer_ElementMixin.prototype.updateStyles = function(properties){};
+/**
+* @param {string} url
+* @param {string=} base
+* @return {string}
+*/
+Polymer_ElementMixin.prototype.resolveUrl = function(url, base){};
+/**
+* @record
+*/
+function Polymer_GestureEventListeners(){}
+/**
+* @param {*} node
+* @param {*} eventName
+* @param {*} handler
+*/
+Polymer_GestureEventListeners.prototype._addEventListenerToNode = function(node, eventName, handler){};
+/**
+* @param {*} node
+* @param {*} eventName
+* @param {*} handler
+*/
+Polymer_GestureEventListeners.prototype._removeEventListenerFromNode = function(node, eventName, handler){};
+/**
+* @record
+* @extends {Polymer_ElementMixin}
+* @extends {Polymer_GestureEventListeners}
+*/
+function Polymer_LegacyElementMixin(){}
+/**
+*/
+Polymer_LegacyElementMixin.prototype.created = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype.attached = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype.detached = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype.attributeChanged = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype._initializeProperties = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype._registered = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype.ready = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype._ensureAttributes = function(){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype._applyListeners = function(){};
+/**
+* @param {*} value
+* @return {string}
+*/
+Polymer_LegacyElementMixin.prototype.serialize = function(value){};
+/**
+* @param {string} value
+* @param {*} type
+*/
+Polymer_LegacyElementMixin.prototype.deserialize = function(value, type){};
+/**
+* @param {string} property
+* @param {string=} attribute
+* @param {*=} value
+*/
+Polymer_LegacyElementMixin.prototype.reflectPropertyToAttribute = function(property, attribute, value){};
+/**
+* @param {*} value
+* @param {string} attribute
+* @param {Element} node
+*/
+Polymer_LegacyElementMixin.prototype.serializeValueToAttribute = function(value, attribute, node){};
+/**
+* @param {Object} prototype
+* @param {Object} api
+* @return {Object}
+*/
+Polymer_LegacyElementMixin.prototype.extend = function(prototype, api){};
+/**
+* @param {Object} target
+* @param {Object} source
+* @return {Object}
+*/
+Polymer_LegacyElementMixin.prototype.mixin = function(target, source){};
+/**
+* @param {*} object
+* @param {*} inherited
+*/
+Polymer_LegacyElementMixin.prototype.chainObject = function(object, inherited){};
+/**
+* @param {HTMLTemplateElement} template
+* @return {DocumentFragment}
+*/
+Polymer_LegacyElementMixin.prototype.instanceTemplate = function(template){};
+/**
+* @param {string} type
+* @param {*=} detail
+* @param {Object=} options
+* @return {Event}
+*/
+Polymer_LegacyElementMixin.prototype.fire = function(type, detail, options){};
+/**
+* @param {Element} node
+* @param {string} eventName
+* @param {string} methodName
+*/
+Polymer_LegacyElementMixin.prototype.listen = function(node, eventName, methodName){};
+/**
+* @param {Element} node
+* @param {string} eventName
+* @param {string} methodName
+*/
+Polymer_LegacyElementMixin.prototype.unlisten = function(node, eventName, methodName){};
+/**
+* @param {String=} direction
+* @param {HTMLElement=} node
+*/
+Polymer_LegacyElementMixin.prototype.setScrollDirection = function(direction, node){};
+/**
+* @param {string} slctr
+* @return {Element}
+*/
+Polymer_LegacyElementMixin.prototype.$$ = function(slctr){};
+/**
+*/
+Polymer_LegacyElementMixin.prototype.distributeContent = function(){};
+/**
+* @return {Array.<Node>}
+*/
+Polymer_LegacyElementMixin.prototype.getEffectiveChildNodes = function(){};
+/**
+* @param {string} selector
+* @return {Array.<Node>}
+*/
+Polymer_LegacyElementMixin.prototype.queryDistributedElements = function(selector){};
+/**
+* @return {Array.<Node>}
+*/
+Polymer_LegacyElementMixin.prototype.getEffectiveChildren = function(){};
+/**
+* @return {string}
+*/
+Polymer_LegacyElementMixin.prototype.getEffectiveTextContent = function(){};
+/**
+* @param {string} selector
+* @return {Object.<Node>}
+*/
+Polymer_LegacyElementMixin.prototype.queryEffectiveChildren = function(selector){};
+/**
+* @param {string} selector
+* @return {Array.<Node>}
+*/
+Polymer_LegacyElementMixin.prototype.queryAllEffectiveChildren = function(selector){};
+/**
+* @param {String=} slctr
+* @return {Array.<Node>}
+*/
+Polymer_LegacyElementMixin.prototype.getContentChildNodes = function(slctr){};
+/**
+* @param {String=} slctr
+* @return {Array.<HTMLElement>}
+*/
+Polymer_LegacyElementMixin.prototype.getContentChildren = function(slctr){};
+/**
+* @param {?Node} node
+* @return {Boolean}
+*/
+Polymer_LegacyElementMixin.prototype.isLightDescendant = function(node){};
+/**
+* @param {HTMLElement=} node
+* @return {boolean}
+*/
+Polymer_LegacyElementMixin.prototype.isLocalDescendant = function(node){};
+/**
+* @param {*} container
+* @param {*} shouldObserve
+*/
+Polymer_LegacyElementMixin.prototype.scopeSubtree = function(container, shouldObserve){};
+/**
+* @param {String} property
+* @return {String}
+*/
+Polymer_LegacyElementMixin.prototype.getComputedStyleValue = function(property){};
+/**
+* @param {String} jobName
+* @param {function ()} callback
+* @param {number} wait
+*/
+Polymer_LegacyElementMixin.prototype.debounce = function(jobName, callback, wait){};
+/**
+* @param {String} jobName
+* @return {boolean}
+*/
+Polymer_LegacyElementMixin.prototype.isDebouncerActive = function(jobName){};
+/**
+* @param {String} jobName
+*/
+Polymer_LegacyElementMixin.prototype.flushDebouncer = function(jobName){};
+/**
+* @param {String} jobName
+*/
+Polymer_LegacyElementMixin.prototype.cancelDebouncer = function(jobName){};
+/**
+* @param {Function} callback
+* @param {number=} waitTime
+* @return {number}
+*/
+Polymer_LegacyElementMixin.prototype.async = function(callback, waitTime){};
+/**
+* @param {number} handle
+*/
+Polymer_LegacyElementMixin.prototype.cancelAsync = function(handle){};
+/**
+* @param {string} tag
+* @param {Object} props
+* @return {Element}
+*/
+Polymer_LegacyElementMixin.prototype.create = function(tag, props){};
+/**
+* @param {string} href
+* @param {Function} onload
+* @param {Function} onerror
+* @param {boolean} optAsync
+* @return {HTMLLinkElement}
+*/
+Polymer_LegacyElementMixin.prototype.importHref = function(href, onload, onerror, optAsync){};
+/**
+* @param {string} selector
+* @param {Element=} node
+* @return {boolean}
+*/
+Polymer_LegacyElementMixin.prototype.elementMatches = function(selector, node){};
+/**
+* @param {String} name
+* @param {boolean=} bool
+* @param {HTMLElement=} node
+*/
+Polymer_LegacyElementMixin.prototype.toggleAttribute = function(name, bool, node){};
+/**
+* @param {String} name
+* @param {boolean=} bool
+* @param {HTMLElement=} node
+*/
+Polymer_LegacyElementMixin.prototype.toggleClass = function(name, bool, node){};
+/**
+* @param {string} transformText
+* @param {HTMLElement=} node
+*/
+Polymer_LegacyElementMixin.prototype.transform = function(transformText, node){};
+/**
+* @param {number} x
+* @param {number} y
+* @param {number} z
+* @param {HTMLElement=} node
+*/
+Polymer_LegacyElementMixin.prototype.translate3d = function(x, y, z, node){};
+/**
+* @param {(string|!Array.<(number|string)>)} arrayOrPath
+* @param {*} item
+* @return {Array}
+*/
+Polymer_LegacyElementMixin.prototype.arrayDelete = function(arrayOrPath, item){};
+/**
+* @param {string} level
+* @param {Array} args
+*/
+Polymer_LegacyElementMixin.prototype._logger = function(level, args){};
+/**
+* @param {*} args
+*/
+Polymer_LegacyElementMixin.prototype._log = function(args){};
+/**
+* @param {*} args
+*/
+Polymer_LegacyElementMixin.prototype._warn = function(args){};
+/**
+* @param {*} args
+*/
+Polymer_LegacyElementMixin.prototype._error = function(args){};
+/**
+* @param {*} args
+* @return {string}
+*/
+Polymer_LegacyElementMixin.prototype._logf = function(args){};
+/**
+* @record
+*/
+function Polymer_MutableData(){}
+/**
+* @param {string} property
+* @param {*} value
+* @param {*} old
+* @return {boolean}
+*/
+Polymer_MutableData.prototype._shouldPropertyChange = function(property, value, old){};
+/**
+* @record
+*/
+function Polymer_OptionalMutableData(){}
+/** @type {boolean} */
+Polymer_OptionalMutableData.prototype.mutableData;
+
+/**
+* @param {string} property
+* @param {*} value
+* @param {*} old
+* @return {boolean}
+*/
+Polymer_OptionalMutableData.prototype._shouldPropertyChange = function(property, value, old){};
+/**
+* @record
+*/
+function Polymer_ArraySelectorMixin(){}
+/** @type {Array} */
+Polymer_ArraySelectorMixin.prototype.items;
+
+/** @type {boolean} */
+Polymer_ArraySelectorMixin.prototype.multi;
+
+/** @type {Object} */
+Polymer_ArraySelectorMixin.prototype.selected;
+
+/** @type {Object} */
+Polymer_ArraySelectorMixin.prototype.selectedItem;
+
+/** @type {boolean} */
+Polymer_ArraySelectorMixin.prototype.toggle;
+
+/**
+*/
+Polymer_ArraySelectorMixin.prototype.clearSelection = function(){};
+/**
+* @param {*} item
+* @return {boolean}
+*/
+Polymer_ArraySelectorMixin.prototype.isSelected = function(item){};
+/**
+* @param {*} idx
+* @return {boolean}
+*/
+Polymer_ArraySelectorMixin.prototype.isIndexSelected = function(idx){};
+/**
+* @param {*} item
+*/
+Polymer_ArraySelectorMixin.prototype.deselect = function(item){};
+/**
+* @param {number} idx
+*/
+Polymer_ArraySelectorMixin.prototype.deselectIndex = function(idx){};
+/**
+* @param {*} item
+*/
+Polymer_ArraySelectorMixin.prototype.select = function(item){};
+/**
+* @param {number} idx
+*/
+Polymer_ArraySelectorMixin.prototype.selectIndex = function(idx){};

externs/polymer-externs.js

@@ -7,4 +7,11 @@
  * @param {!{is: string}} init
  * @return {!CustomElement}
  */
-function Polymer(init){}
+function Polymer(init){}
+
+/**
+ * @param {string} string
+ * @param {Object} obj
+ * @return {string}
+ */
+function JSCompiler_renameProperty(string, obj) {}

gulpfile.js

@@ -40,7 +40,7 @@ const ENTRY_POINTS = [POLYMER_LEGACY, POLYMER_ELEMENT];
 
 const polymer = require('polymer-build');
 const PolymerProject = polymer.PolymerProject;
-const project = new PolymerProject({ shell: DEFAULT_BUILD_TARGET });
+const project = new PolymerProject({ entrypoint: DEFAULT_BUILD_TARGET });
 const fork = polymer.forkStream;
 
 gulp.task('clean', function() {
@@ -75,11 +75,37 @@ class OldNameStream extends Transform {
   }
 }
 
+class Log extends Transform {
+  constructor(prefix = '') {
+    super({objectMode: true});
+    this.prefix = prefix;
+  }
+  _transform(file, enc, cb) {
+    console.log(this.prefix, file.path);
+    cb(null, file);
+  }
+}
+
 gulp.task('closure', ['clean'], () => {
 
+  let entry, splitRx, joinRx;
+
+  function full() {
+    entry = 'polymer.html';
+    splitRx = /polymer\.html_script_\d+\.js$/;
+    joinRx = /polymer\.html/;
+  }
+
+  function element() {
+    entry = 'polymer-element.html';
+    splitRx = /polymer-element\.html_script_\d+\.js$/;
+    joinRx = /polymer-element\.html/;
+  }
+
+  element();
+
   const project = new PolymerProject({
-    sources: ['./polymer.html'],
-    shell: './polymer.html'
+    entrypoint: `./${entry}`
   });
 
   const closureStream = closure({
@@ -87,9 +113,21 @@ gulp.task('closure', ['clean'], () => {
     language_in: 'ES6_STRICT',
     language_out: 'ES5_STRICT',
     warning_level: 'VERBOSE',
-    output_wrapper: '(function(){\n%output%\n}).call(self)',
+    output_wrapper: '(function(){\n%output%\n}).call(self);',
+    assume_function_wrapper: true,
     rewrite_polyfills: false,
-    externs: ['externs/closure-upstream-externs.js', 'externs/webcomponents-externs.js', 'externs/polymer-externs.js']
+    new_type_inf: true,
+    externs: [
+      'externs/closure-upstream-externs.js',
+      'externs/webcomponents-externs.js',
+      'externs/polymer-externs.js',
+      'externs/closure-types.js'
+    ],
+    extra_annotation_name: [
+      'polymerMixin',
+      'polymerMixinClass',
+      'polymerElement'
+    ]
   });
 
   const closurePipeline = lazypipe()
@@ -105,14 +143,15 @@ gulp.task('closure', ['clean'], () => {
   // merge the source and dependencies streams to we can analyze the project
   const mergedFiles = mergeStream(sources, dependencies);
 
+  const splitter = new polymer.HtmlSplitter();
   return mergedFiles
     .pipe(project.bundler)
-    .pipe(project.splitHtml())
-    .pipe(gulpif(/polymer\.html_script_\d+\.js$/, closurePipeline()))
-    .pipe(project.rejoinHtml())
-    .pipe(htmlmin({removeComments: true}))
-    .pipe(gulpif(/polymer\.html/, minimalDocument()))
-    .pipe(gulpif(/polymer\.html/, size({title: 'closure size', gzip: true, showTotal: false, showFiles: true})))
+    .pipe(splitter.split())
+    .pipe(gulpif(splitRx, closurePipeline()))
+    .pipe(splitter.rejoin())
+    // .pipe(htmlmin({removeComments: true}))
+    .pipe(gulpif(joinRx, minimalDocument()))
+    .pipe(gulpif(joinRx, size({title: 'closure size', gzip: true, showTotal: false, showFiles: true})))
     .pipe(gulp.dest(COMPILED_DIR))
 });
 

lib/elements/array-selector.html

@@ -33,8 +33,17 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @polymerMixin
    * @memberof Polymer
    */
-  let ArraySelectorMixin = Polymer.dedupingMixin(superClass => {
+  let ArraySelectorMixin = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_ArraySelectorMixin}
+     */
     return class extends superClass {
 
       static get properties() {
@@ -325,6 +334,13 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   // export mixin
   Polymer.ArraySelectorMixin = ArraySelectorMixin;
 
+  /**
+   * @constructor
+   * @extends {Polymer.Element}
+   * @implements {Polymer_ArraySelectorMixin}
+   */
+  let baseArraySelector = ArraySelectorMixin(Polymer.Element);
+
   /**
    * Element implementing the `Polymer.ArraySelector` mixin, which records
    * dynamic associations between item paths in a master `items` array and a
@@ -391,7 +407,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Custom element that links paths between an input `items` array and
    *   an output `selected` item or array based on calls to its selection API.
    */
-  class ArraySelector extends ArraySelectorMixin(Polymer.Element) {
+  class ArraySelector extends baseArraySelector {
     // Not needed to find template; can be removed once the analyzer
     // can find the tag name from customElements.define call
     static get is() { return 'array-selector' }

lib/elements/dom-bind.html

@@ -16,6 +16,12 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   (function() {
     'use strict';
 
+    /**
+     * @constructor
+     * @implements {Polymer_PropertyEffects}
+     * @implements {Polymer_OptionalMutableData}
+     * @extends {HTMLElement}
+     */
     const domBindBase = Polymer.OptionalMutableData(Polymer.PropertyEffects(HTMLElement));
 
     /**

lib/elements/dom-repeat.html

@@ -18,6 +18,13 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 (function() {
   'use strict';
 
+  /**
+   * @constructor
+   * @implements {Polymer_OptionalMutableData}
+   * @extends {Polymer.Element}
+   */
+  const domRepeatBase = Polymer.OptionalMutableData(Polymer.Element);
+
   /**
    * The `<dom-repeat>` element will automatically stamp and binds one instance
    * of template content to each object in a user-provided array.
@@ -112,7 +119,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Custom element for stamping instance of a template bound to
    *   items in an array.
    */
-  class DomRepeat extends Polymer.OptionalMutableData(Polymer.Element) {
+  class DomRepeat extends domRepeatBase {
 
     // Not needed to find template; can be removed once the analyzer
     // can find the tag name from customElements.define call

lib/legacy/legacy-element-mixin.html

@@ -38,8 +38,19 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @memberof Polymer
    * @summary Element class mixin that provides Polymer's "legacy" API
    */
-  Polymer.LegacyElementMixin = Polymer.dedupingMixin(function(base) {
+  Polymer.LegacyElementMixin = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} base
+     */
+    function(base) {
 
+    /**
+     * @constructor
+     * @extends {base}
+     * @implements {Polymer_ElementMixin}
+     * @implements {Polymer_GestureEventListeners}
+     */
     const legacyElementBase = Polymer.GestureEventListeners(Polymer.ElementMixin(base));
 
     /**
@@ -53,6 +64,10 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       'all': 'auto'
     };
 
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_LegacyElement}
+     */
     return class LegacyElement extends legacyElementBase {
 
       constructor() {

lib/mixins/element-mixin.html

@@ -113,8 +113,18 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Element class mixin that provides the core API for Polymer's
    * meta-programming features.
    */
-  Polymer.ElementMixin = Polymer.dedupingMixin(function(base) {
+  Polymer.ElementMixin = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} base
+     */
+    function(base) {
 
+    /**
+     * @constructor
+     * @extends {base}
+     * @implements {Polymer_PropertyEffects}
+     */
     const polymerElementBase = Polymer.PropertyEffects(base);
 
     let caseMap = Polymer.CaseMap;
@@ -129,9 +139,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      */
     function ownPropertiesForClass(klass) {
       if (!klass.hasOwnProperty(
-        goog.reflect.objectProperty('__ownProperties', klass))) {
+        JSCompiler_renameProperty('__ownProperties', klass))) {
         klass.__ownProperties =
-          klass.hasOwnProperty(goog.reflect.objectProperty('properties', klass)) ?
+          klass.hasOwnProperty(JSCompiler_renameProperty('properties', klass)) ?
           klass.properties : {};
       }
       return klass.__ownProperties;
@@ -145,9 +155,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      */
     function ownObserversForClass(klass) {
       if (!klass.hasOwnProperty(
-        goog.reflect.objectProperty('__ownObservers', klass))) {
+        JSCompiler_renameProperty('__ownObservers', klass))) {
         klass.__ownObservers =
-          klass.hasOwnProperty(goog.reflect.objectProperty('observers', klass)) ?
+          klass.hasOwnProperty(JSCompiler_renameProperty('observers', klass)) ?
           klass.observers : [];
       }
       return klass.__ownObservers;
@@ -182,7 +192,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      */
     function propertiesForClass(klass) {
       if (!klass.hasOwnProperty(
-        goog.reflect.objectProperty('__classProperties', klass))) {
+        JSCompiler_renameProperty('__classProperties', klass))) {
         klass.__classProperties =
         flattenProperties({}, ownPropertiesForClass(klass));
         let superCtor = Object.getPrototypeOf(klass.prototype).constructor;
@@ -206,7 +216,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      */
     function propertyDefaultsForClass(klass) {
       if (!klass.hasOwnProperty(
-        goog.reflect.objectProperty('__classPropertyDefaults', klass))) {
+        JSCompiler_renameProperty('__classPropertyDefaults', klass))) {
         klass.__classPropertyDefaults = null;
         let props = propertiesForClass(klass);
         for (let p in props) {
@@ -226,7 +236,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      * @private
      */
     function hasClassFinalized(klass) {
-      return klass.hasOwnProperty(goog.reflect.objectProperty('__finalized', klass));
+      return klass.hasOwnProperty(JSCompiler_renameProperty('__finalized', klass));
     }
 
     /**
@@ -255,7 +265,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       klass.__finalized = true;
       let proto = klass.prototype;
       if (klass.hasOwnProperty(
-        goog.reflect.objectProperty('is', klass)) && klass.is) {
+        JSCompiler_renameProperty('is', klass)) && klass.is) {
         Polymer.telemetry.register(proto);
       }
       let props = ownPropertiesForClass(klass);
@@ -397,7 +407,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      * Configures an element `proto` to function with a given `template`.
      * The element name `is` and extends `ext` must be specified for ShadyCSS
      * style scoping.
-     * @param {HTMLElement} proto
+     * @param {Polymer_ElementMixin} proto
      * @param {HTMLTemplateElement} template
      * @param {string} baseURI URL against which to resolve urls in
      * style element cssText.
@@ -424,6 +434,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
     /**
      * @polymerMixinClass
      * @unrestricted
+     * @implements {Polymer_ElementMixin}
      */
     class PolymerElement extends polymerElementBase {
 
@@ -436,7 +447,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        * @return {Array} Observed attribute list
        */
       static get observedAttributes() {
-        if (!this.hasOwnProperty(goog.reflect.objectProperty('__observedAttributes', this))) {
+        if (!this.hasOwnProperty(JSCompiler_renameProperty('__observedAttributes', this))) {
           let list = [];
           let properties = propertiesForClass(this);
           for (let prop in properties) {
@@ -503,7 +514,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        * @returns {HTMLTemplateElement|string}
        */
       static get template() {
-        if (!this.hasOwnProperty(goog.reflect.objectProperty('_template', this))) {
+        if (!this.hasOwnProperty(JSCompiler_renameProperty('_template', this))) {
           this._template = Polymer.DomModule.import(this.is, 'template') ||
             // note: implemented so a subclass can retrieve the super
             // template; call the super impl this way so that `this` points
@@ -525,7 +536,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        * @returns {string}
        */
       static get importPath() {
-        if (!this.hasOwnProperty(goog.reflect.objectProperty('_importPath', this))) {
+        if (!this.hasOwnProperty(JSCompiler_renameProperty('_importPath', this))) {
             const module = Polymer.DomModule.import(this.is);
             this._importPath = module ? module.assetpath : '' ||
             Object.getPrototypeOf(this.prototype).constructor.importPath;

lib/mixins/gesture-event-listeners.html

@@ -31,20 +31,27 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Element class mixin that provides API for adding Polymer's cross-platform
    * gesture events to nodes
    */
-  Polymer.GestureEventListeners = Polymer.dedupingMixin(function(superClass) {
+  Polymer.GestureEventListeners = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_GestureEventListeners}
+     */
     return class GestureEventListeners extends superClass {
 
       _addEventListenerToNode(node, eventName, handler) {
-        if (!gestures.addListener(node, eventName, handler) &&
-          super._addEventListenerToNode) {
+        if (!gestures.addListener(node, eventName, handler)) {
           super._addEventListenerToNode(node, eventName, handler);
         }
       }
 
       _removeEventListenerFromNode(node, eventName, handler) {
-        if (!gestures.removeListener(node, eventName, handler) &&
-          super._removeEventListenerFromNode) {
+        if (!gestures.removeListener(node, eventName, handler)) {
           super._removeEventListenerFromNode(node, eventName, handler);
         }
       }

lib/mixins/mutable-data.html

@@ -68,8 +68,17 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Element class mixin to skip strict dirty-checking for objects
    *   and arrays
    */
-  Polymer.MutableData = (superClass) => {
+  Polymer.MutableData = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_MutableData}
+     */
     return class MutableData extends superClass {
       /**
        * Overrides `Polymer.PropertyEffects` to provide option for skipping
@@ -94,7 +103,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
     }
 
-  };
+  });
 
   /**
    * Element class mixin to add the optional ability to skip strict
@@ -133,8 +142,17 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Element class mixin to optionally skip strict dirty-checking
    *   for objects and arrays
    */
-  Polymer.OptionalMutableData = (superClass) => {
+  Polymer.OptionalMutableData = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_OptionalMutableData}
+     */
     return class OptionalMutableData extends superClass {
 
       static get properties() {
@@ -171,7 +189,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       }
     }
 
-  };
+  });
 
   // Export for use by legacy behavior
   Polymer.MutableData._mutablePropertyChange = mutablePropertyChange;

lib/mixins/property-accessors.html

@@ -61,7 +61,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
           // Adding accessor to proto; save proto's value for instance-time use
           if (!model.__dataProto) {
             model.__dataProto = {};
-          } else if (!model.hasOwnProperty(goog.reflect.objectProperty('__dataProto', model))) {
+          } else if (!model.hasOwnProperty(JSCompiler_renameProperty('__dataProto', model))) {
             model.__dataProto = Object.create(model.__dataProto);
           }
           model.__dataProto[property] = value;
@@ -88,9 +88,19 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Element class mixin for reacting to property changes from
    *   generated property accessors.
    */
-  Polymer.PropertyAccessors = Polymer.dedupingMixin(function(superClass) {
+  Polymer.PropertyAccessors = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
-    return class PropertyAccessors extends superClass {
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_PropertyAccessors}
+     * @unrestricted
+     */
+    class PropertyAccessors extends superClass {
 
       /**
        * Generates property accessors for all attributes in the standard
@@ -488,6 +498,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
 
     }
 
+    return PropertyAccessors;
+
   });
 
 })();

lib/mixins/property-effects.html

@@ -87,9 +87,10 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * on an instance.
    *
    * @param {Object} inst The instance with effects to run
-   * @param {string} type Type of effect to run
+   * @param {Object} effects
    * @param {Object} props Bag of current property changes
    * @param {Object=} oldProps Bag of previous values for changed properties
+   * @param {boolean=} hasPaths
    * @private
    */
   function runEffects(inst, effects, props, oldProps, hasPaths) {
@@ -109,11 +110,12 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * Runs a list of effects for a given property.
    *
    * @param {Object} inst The instance with effects to run
-   * @param {Array} effects Array of effects
-   * @param {number} id Effect run id used for de-duping effects
+   * @param {Object} effects Array of effects
+   * @param {number} dedupeId Effect run id used for de-duping effects
    * @param {string} prop Name of changed property
-   * @param {*} value Value of changed property
-   * @param {*} old Previous value of changed property
+   * @param {*} props Value of changed property
+   * @param {*} oldProps Previous value of changed property
+   * @param {boolean=} hasPaths
    * @private
    */
   function runEffectsForProperty(inst, effects, dedupeId, prop, props, oldProps, hasPaths) {
@@ -1203,13 +1205,25 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @summary Element class mixin that provides meta-programming for Polymer's
    * template binding and data observation system.
    */
-  Polymer.PropertyEffects = Polymer.dedupingMixin(function(superClass) {
+  Polymer.PropertyEffects = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
+    /**
+     * @constructor
+     * @extends {superClass}
+     * @implements {Polymer_PropertyAccessors}
+     * @implements {Polymer_TemplateStamp}
+     */
     const propertyEffectsBase = Polymer.TemplateStamp(Polymer.PropertyAccessors(superClass));
 
     /**
      * @polymerMixinClass
      * @unrestricted
+     * @implements {Polymer_PropertyEffects}
      */
     class PropertyEffects extends propertyEffectsBase {
 
@@ -1415,7 +1429,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
               // already dirty checked at the point of entry and the underlying
               // object has already been updated
               let old = Polymer.Path.get(this, path);
-              path = /** @type {string} */ Polymer.Path.set(this, path, value);
+              path = /** @type {string} */ (Polymer.Path.set(this, path, value));
               // Use property-accessor's simpler dirty check
               if (!path || !super._shouldPropertyChange(path, value, old)) {
                 return false;

lib/mixins/template-stamp.html

@@ -450,8 +450,17 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * @memberof Polymer
    * @summary Element class mixin that provides basic template parsing and stamping
    */
-  Polymer.TemplateStamp = Polymer.dedupingMixin(function(superClass) {
+  Polymer.TemplateStamp = Polymer.dedupingMixin(
+    /**
+     * @template T
+     * @param {function(new:T)} superClass
+     */
+    function(superClass) {
 
+    /**
+     * @polymerMixinClass
+     * @implements {Polymer_TemplateStamp}
+     */
     return class TemplateStamp extends superClass {
 
       constructor() {

lib/utils/async.html

@@ -81,14 +81,14 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        *
        * @memberof Polymer.Async.timeOut
        * @param {Function} fn Callback to run
-       * @return {*} Handle used for canceling task
+       * @return {number} Handle used for canceling task
        */
       run: window.setTimeout.bind(window),
       /**
        * Cancels a previously enqueued `timeOut` callback.
        *
        * @memberof Polymer.Async.timeOut
-       * @param {*} handle Handle returned from `run` of callback to cancel
+       * @param {number} handle Handle returned from `run` of callback to cancel
        */
       cancel: window.clearTimeout.bind(window)
     },
@@ -106,14 +106,14 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        *
        * @memberof Polymer.Async.timeOut
        * @param {Function} fn Callback to run
-       * @return {*} Handle used for canceling task
+       * @return {number} Handle used for canceling task
        */
       run: window.requestAnimationFrame.bind(window),
       /**
        * Cancels a previously enqueued `animationFrame` callback.
        *
        * @memberof Polymer.Async.timeOut
-       * @param {*} handle Handle returned from `run` of callback to cancel
+       * @param {number} handle Handle returned from `run` of callback to cancel
        */
       cancel: window.cancelAnimationFrame.bind(window)
     },
@@ -131,8 +131,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        * Enqueues a function called at `requestIdleCallback` timing.
        *
        * @memberof Polymer.Async.timeOut
-       * @param {Function} fn Callback to run
-       * @return {*} Handle used for canceling task
+       * @param {function(IdleDeadline)} fn Callback to run
+       * @return {number} Handle used for canceling task
        */
       run(fn) {
         return window.requestIdleCallback ?
@@ -143,7 +143,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
        * Cancels a previously enqueued `idlePeriod` callback.
        *
        * @memberof Polymer.Async.timeOut
-       * @param {*} handle Handle returned from `run` of callback to cancel
+       * @param {number} handle Handle returned from `run` of callback to cancel
        */
       cancel(timer) {
         return window.cancelIdleCallback ?
@@ -183,7 +183,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
       /**
        * Cancels a previously enqueued `microTask` callback.
        *
-       * @param {*} handle Handle returned from `run` of callback to cancel
+       * @param {number} handle Handle returned from `run` of callback to cancel
        */
       cancel(handle) {
         const idx = handle - microtaskLastHandle;

lib/utils/boot.html

@@ -29,22 +29,22 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   }
 
   // To be plugged by legacy implementation if loaded
-  window.Polymer._polymerFn = function() {
+  /**
+   * @param {Object} info
+   */
+  window.Polymer._polymerFn = function(info) { // eslint-disable-line no-unused-vars
     throw new Error('Load polymer.html to use the Polymer() function.');
   }
   window.Polymer.version = '2.0-preview';
 
   /* eslint-disable no-unused-vars */
   /*
-  When using Closure Compiler, goog.reflect.objectProperty(property, object) is replaced by the munged name for object[property]
+  When using Closure Compiler, JSCompiler_renameProperty(property, object) is replaced by the munged name for object[property]
   We cannot alias this function, so we have to use a small shim that has the same behavior when not compiling.
   */
-  window.goog = window.goog || {};
-  window.goog.reflect = window.goog.reflect || {
-    objectProperty(s, o) {
-      return s;
-    }
-  };
+  window.JSCompiler_renameProperty = function(prop, obj) {
+    return prop;
+  }
   /* eslint-enable */
 
 })();

lib/utils/mixin.html

@@ -22,6 +22,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
   /**
    * Given a mixin producing function, memoize applications of mixin to base
    * @private
+   * @template T
+   * @param {T} mixin
+   * @return {T}
    */
   function cachingMixin(mixin) {
     return function(base) {
@@ -44,8 +47,9 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    * applications.
    *
    * @memberof Polymer
-   * @param {function} mixin ES6 class expression mixin to wrap
-   * @return {function} Wrapped mixin that deduplicates and memoizes
+   * @template {T}
+   * @param {T} mixin ES6 class expression mixin to wrap
+   * @return {T} Wrapped mixin that deduplicates and memoizes
    *   mixin applications to base
    */
   Polymer.dedupingMixin = function(mixin) {

lib/utils/render-status.html

@@ -75,7 +75,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      *
      * @memberof Polymer.RenderStatus
      * @param {*} context Context object the callback function will be bound to
-     * @param {function} callback Callback function
+     * @param {function()} callback Callback function
      * @param {Array} args An array of arguments to call the callback function with
      */
     beforeNextRender: function(context, callback, args) {
@@ -96,7 +96,7 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
      *
      * @memberof Polymer.RenderStatus
      * @param {*} context Context object the callback function will be bound to
-     * @param {function} callback Callback function
+     * @param {function()} callback Callback function
      * @param {Array} args An array of arguments to call the callback function with
      */
     afterNextRender: function(context, callback, args) {

lib/utils/templatize.html

@@ -40,7 +40,12 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
     }
 
     // Base class for TemplateInstance's
-    class TemplateInstanceBase extends Polymer.PropertyEffects(class{}) {
+    /**
+     * @constructor
+     * @mixes {Polymer_PropertyEffects}
+     */
+    const base = Polymer.PropertyEffects(class {});
+    class TemplateInstanceBase extends base {
       constructor(props) {
         super();
         this._configureProperties(props);

package.json

@@ -12,7 +12,7 @@
     "del": "^2.2.1",
     "dom5": "^1.3.1",
     "eslint-plugin-html": "^1.3.0",
-    "google-closure-compiler": "^20161201.0.0",
+    "google-closure-compiler": "^20170218.0.0",
     "gulp": "^3.9.1",
     "gulp-audit": "^1.0.0",
     "gulp-babel": "^6.1.2",
@@ -24,7 +24,7 @@
     "gulp-vulcanize": "^6.0.1",
     "lazypipe": "^1.0.1",
     "merge-stream": "^1.0.1",
-    "polymer-build": "^0.6.0",
+    "polymer-build": "0.8.3",
     "run-sequence": "^1.1.0",
     "through2": "^2.0.0",
     "web-component-tester": "^6.0.0-prerelease.4"

polymer-element.html

@@ -19,6 +19,8 @@ subject to an additional IP rights grant found at http://polymer.github.io/PATEN
    *
    * @polymerElement
    * @memberof Polymer
+   * @constructor
+   * @implements {Polymer_ElementMixin}
    * @extends HTMLElement
    * @mixes Polymer.ElementMixin
    * @summary Custom element base class that provides the core API for Polymer's