refactor(core): view engine - move handleEvent function from view to element

Some versions of TypeScript are super slow to compile functions that contain a lot of `if` conditions in them. Splitting the handle event expressions per element is similar to what we did in the old codegen.
2017-02-20 12:15:03 -08:00 · 2017-02-20 12:15:03 -08:00 · 32012a1ffb
parent 58ba4f0409
commit 32012a1ffb
16 changed files with 187 additions and 183 deletions
--- a/modules/@angular/compiler/src/view_compiler_next/view_compiler.ts
+++ b/modules/@angular/compiler/src/view_compiler_next/view_compiler.ts
@ -82,13 +82,6 @@ interface UpdateExpression {
  expressions: {context: o.Expression, value: AST}[];
 }

-interface HandleEventExpression {
-  nodeIndex: number;
-  context: o.Expression;
-  eventName: string;
-  expression: AST;
-}
-
 const VIEW_VAR = o.variable('view');
 const CHECK_VAR = o.variable('check');
 const COMP_VAR = o.variable('comp');
@ -97,20 +90,25 @@ const EVENT_NAME_VAR = o.variable('eventName');
 const ALLOW_DEFAULT_VAR = o.variable(`allowDefault`);

 class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverterFactory {
-  private nodeDefs: o.Expression[] = [];
+  private compType: o.Type;
+  private nodeDefs: (() => o.Expression)[] = [];
  private purePipeNodeIndices: {[pipeName: string]: number} = {};
  private refNodeIndices: {[refName: string]: number} = {};
  private variables: VariableAst[] = [];
  private children: ViewBuilder[] = [];
  private updateDirectivesExpressions: UpdateExpression[] = [];
  private updateRendererExpressions: UpdateExpression[] = [];
-  private handleEventExpressions: HandleEventExpression[] = [];

  constructor(
      private parent: ViewBuilder, private component: CompileDirectiveMetadata,
      private embeddedViewIndex: number, private usedPipes: CompilePipeSummary[],
      private staticQueryIds: Map<TemplateAst, StaticAndDynamicQueryIds>,
-      private viewBuilderFactory: ViewBuilderFactory) {}
+      private viewBuilderFactory: ViewBuilderFactory) {
+    // TODO(tbosch): The old view compiler used to use an `any` type
+    // for the context in any embedded view. We keep this behaivor for now
+    // to be able to introduce the new view compiler without too many errors.
+    this.compType = this.embeddedViewIndex > 0 ? o.DYNAMIC_TYPE : o.importType(this.component.type);
+  }

  get viewName(): string {
    return viewClassName(this.component.type.reference, this.embeddedViewIndex);
@ -140,7 +138,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
        } else {
          flags |= viewEngine.NodeFlags.HasDynamicQuery;
        }
-        this.nodeDefs.push(o.importExpr(createIdentifier(Identifiers.queryDef)).callFn([
+        this.nodeDefs.push(() => o.importExpr(createIdentifier(Identifiers.queryDef)).callFn([
          o.literal(flags), o.literal(queryId),
          new o.LiteralMapExpr([new o.LiteralMapEntry(query.propertyName, o.literal(bindingType))])
        ]));
@ -151,59 +149,18 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
        (this.parent && needsAdditionalRootNode(astNodes[astNodes.length - 1]))) {
      // if the view is empty, or an embedded view has a view container as last root nde,
      // create an additional root node.
-      this.nodeDefs.push(o.importExpr(createIdentifier(Identifiers.anchorDef)).callFn([
+      this.nodeDefs.push(() => o.importExpr(createIdentifier(Identifiers.anchorDef)).callFn([
        o.literal(viewEngine.NodeFlags.None), o.NULL_EXPR, o.NULL_EXPR, o.literal(0)
      ]));
    }
  }

  build(targetStatements: o.Statement[] = []): o.Statement[] {
-    // TODO(tbosch): The old view compiler used to use an `any` type
-    // for the context in any embedded view. We keep this behaivor for now
-    // to be able to introduce the new view compiler without too many errors.
-    const compType =
-        this.embeddedViewIndex > 0 ? o.DYNAMIC_TYPE : o.importType(this.component.type);
    this.children.forEach((child) => child.build(targetStatements));

-    const updateDirectivesFn = this._createUpdateFn(this.updateDirectivesExpressions, compType);
-    const updateRendererFn = this._createUpdateFn(this.updateRendererExpressions, compType);
+    const updateDirectivesFn = this._createUpdateFn(this.updateDirectivesExpressions);
+    const updateRendererFn = this._createUpdateFn(this.updateRendererExpressions);

-    const handleEventStmts: o.Statement[] = [];
-    let handleEventBindingCount = 0;
-    this.handleEventExpressions.forEach(({expression, context, nodeIndex, eventName}) => {
-      const bindingId = `${handleEventBindingCount++}`;
-      const nameResolver = context === COMP_VAR ? this : null;
-      const {stmts, allowDefault} =
-          convertActionBinding(nameResolver, context, expression, bindingId);
-      const trueStmts = stmts;
-      if (allowDefault) {
-        trueStmts.push(ALLOW_DEFAULT_VAR.set(allowDefault.and(ALLOW_DEFAULT_VAR)).toStmt());
-      }
-      handleEventStmts.push(new o.IfStmt(
-          o.literal(nodeIndex)
-              .identical(NODE_INDEX_VAR)
-              .and(o.literal(eventName).identical(EVENT_NAME_VAR)),
-          trueStmts));
-    });
-    let handleEventFn: o.Expression;
-    if (handleEventStmts.length > 0) {
-      const preStmts: o.Statement[] =
-          [ALLOW_DEFAULT_VAR.set(o.literal(true)).toDeclStmt(o.BOOL_TYPE)];
-      if (!this.component.isHost) {
-        preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(compType));
-      }
-      handleEventFn = o.fn(
-          [
-            new o.FnParam(VIEW_VAR.name, o.INFERRED_TYPE),
-            new o.FnParam(NODE_INDEX_VAR.name, o.INFERRED_TYPE),
-            new o.FnParam(EVENT_NAME_VAR.name, o.INFERRED_TYPE),
-            new o.FnParam(EventHandlerVars.event.name, o.INFERRED_TYPE)
-          ],
-          [...preStmts, ...handleEventStmts, new o.ReturnStatement(ALLOW_DEFAULT_VAR)],
-          o.INFERRED_TYPE);
-    } else {
-      handleEventFn = o.NULL_EXPR;
-    }

    let viewFlags = viewEngine.ViewFlags.None;
    if (!this.parent && this.component.changeDetection === ChangeDetectionStrategy.OnPush) {
@ -212,8 +169,10 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    const viewFactory = new o.DeclareFunctionStmt(
        this.viewName, [],
        [new o.ReturnStatement(o.importExpr(createIdentifier(Identifiers.viewDef)).callFn([
-          o.literal(viewFlags), o.literalArr(this.nodeDefs), updateDirectivesFn, updateRendererFn,
-          handleEventFn
+          o.literal(viewFlags),
+          o.literalArr(this.nodeDefs.map(nd => nd())),
+          updateDirectivesFn,
+          updateRendererFn,
        ]))],
        o.importType(createIdentifier(Identifiers.ViewDefinition)));

@ -221,7 +180,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    return targetStatements;
  }

-  private _createUpdateFn(expressions: UpdateExpression[], compType: o.Type): o.Expression {
+  private _createUpdateFn(expressions: UpdateExpression[]): o.Expression {
    const updateStmts: o.Statement[] = [];
    let updateBindingCount = 0;
    expressions.forEach(({expressions, nodeIndex}) => {
@ -239,7 +198,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    if (updateStmts.length > 0) {
      const preStmts: o.Statement[] = [];
      if (!this.component.isHost) {
-        preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(compType));
+        preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(this.compType));
      }
      updateFn = o.fn(
          [
@ -255,14 +214,14 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter

  visitNgContent(ast: NgContentAst, context: any): any {
    // ngContentDef(ngContentIndex: number, index: number): NodeDef;
-    this.nodeDefs.push(o.importExpr(createIdentifier(Identifiers.ngContentDef)).callFn([
+    this.nodeDefs.push(() => o.importExpr(createIdentifier(Identifiers.ngContentDef)).callFn([
      o.literal(ast.ngContentIndex), o.literal(ast.index)
    ]));
  }

  visitText(ast: TextAst, context: any): any {
    // textDef(ngContentIndex: number, constants: string[]): NodeDef;
-    this.nodeDefs.push(o.importExpr(createIdentifier(Identifiers.textDef)).callFn([
+    this.nodeDefs.push(() => o.importExpr(createIdentifier(Identifiers.textDef)).callFn([
      o.literal(ast.ngContentIndex), o.literalArr([o.literal(ast.value)])
    ]));
  }
@ -280,7 +239,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
        this.updateRendererExpressions);

    // textDef(ngContentIndex: number, constants: string[]): NodeDef;
-    this.nodeDefs[nodeIndex] = o.importExpr(createIdentifier(Identifiers.textDef)).callFn([
+    this.nodeDefs[nodeIndex] = () => o.importExpr(createIdentifier(Identifiers.textDef)).callFn([
      o.literal(ast.ngContentIndex), o.literalArr(inter.strings.map(s => o.literal(s)))
    ]);
  }
@ -290,7 +249,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    // reserve the space in the nodeDefs array
    this.nodeDefs.push(null);

-    const {flags, queryMatchesExpr} = this._visitElementOrTemplate(nodeIndex, ast);
+    const {flags, queryMatchesExpr, hostEvents} = this._visitElementOrTemplate(nodeIndex, ast);

    const childVisitor = this.viewBuilderFactory(this);
    this.children.push(childVisitor);
@ -300,11 +259,17 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter

    // anchorDef(
    //   flags: NodeFlags, matchedQueries: [string, QueryValueType][], ngContentIndex: number,
-    //   childCount: number, templateFactory?: ViewDefinitionFactory): NodeDef;
-    this.nodeDefs[nodeIndex] = o.importExpr(createIdentifier(Identifiers.anchorDef)).callFn([
-      o.literal(flags), queryMatchesExpr, o.literal(ast.ngContentIndex), o.literal(childCount),
-      o.variable(childVisitor.viewName)
+    //   childCount: number, handleEventFn?: ElementHandleEventFn, templateFactory?:
+    //   ViewDefinitionFactory): NodeDef;
+    const nodeDef = () => o.importExpr(createIdentifier(Identifiers.anchorDef)).callFn([
+      o.literal(flags),
+      queryMatchesExpr,
+      o.literal(ast.ngContentIndex),
+      o.literal(childCount),
+      this._createElementHandleEventFn(nodeIndex, hostEvents),
+      o.variable(childVisitor.viewName),
    ]);
+    this.nodeDefs[nodeIndex] = nodeDef;
  }

  visitElement(ast: ElementAst, context: any): any {
@ -318,7 +283,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
      elName = null;
    }

-    let {flags, usedEvents, queryMatchesExpr, hostBindings} =
+    let {flags, usedEvents, queryMatchesExpr, hostBindings, hostEvents} =
        this._visitElementOrTemplate(nodeIndex, ast);

    let inputDefs: o.Expression[] = [];
@ -349,13 +314,16 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    //       ([BindingType.ElementClass, string] | [BindingType.ElementStyle, string, string] |
    //         [BindingType.ElementAttribute | BindingType.ElementProperty, string,
    //         SecurityContext])[],
-    //   outputs?: (string | [string, string])[]): NodeDef;
-    this.nodeDefs[nodeIndex] = o.importExpr(createIdentifier(Identifiers.elementDef)).callFn([
+    //   outputs?: (string | [string, string])[], eventHandlerFn: ElementHandleEventFn): NodeDef;
+    const nodeDef = () => o.importExpr(createIdentifier(Identifiers.elementDef)).callFn([
      o.literal(flags), queryMatchesExpr, o.literal(ast.ngContentIndex), o.literal(childCount),
      o.literal(elName), elName ? fixedAttrsDef(ast) : o.NULL_EXPR,
      inputDefs.length ? o.literalArr(inputDefs) : o.NULL_EXPR,
-      outputDefs.length ? o.literalArr(outputDefs) : o.NULL_EXPR
+      outputDefs.length ? o.literalArr(outputDefs) : o.NULL_EXPR,
+      this._createElementHandleEventFn(nodeIndex, hostEvents)
    ]);
+
+    this.nodeDefs[nodeIndex] = nodeDef;
  }

  private _visitElementOrTemplate(nodeIndex: number, ast: {
@ -370,6 +338,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    usedEvents: [string, string][],
    queryMatchesExpr: o.Expression,
    hostBindings: {value: AST, context: o.Expression}[],
+    hostEvents: {context: o.Expression, eventAst: BoundEventAst}[],
  } {
    let flags = viewEngine.NodeFlags.None;
    if (ast.hasViewContainer) {
@ -441,18 +410,13 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    });
    ast.outputs.forEach(
        (outputAst) => { hostEvents.push({context: COMP_VAR, eventAst: outputAst}); });
-    hostEvents.forEach((hostEvent) => {
-      this._addHandleEventExpression(
-          nodeIndex, hostEvent.context,
-          viewEngine.elementEventFullName(hostEvent.eventAst.target, hostEvent.eventAst.name),
-          hostEvent.eventAst.handler);
-    });

    return {
      flags,
      usedEvents: Array.from(usedEvents.values()),
      queryMatchesExpr: queryMatchExprs.length ? o.literalArr(queryMatchExprs) : o.NULL_EXPR,
      hostBindings,
+      hostEvents
    };
  }

@ -477,7 +441,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
      }
      const bindingType =
          query.first ? viewEngine.QueryBindingType.First : viewEngine.QueryBindingType.All;
-      this.nodeDefs.push(o.importExpr(createIdentifier(Identifiers.queryDef)).callFn([
+      this.nodeDefs.push(() => o.importExpr(createIdentifier(Identifiers.queryDef)).callFn([
        o.literal(flags), o.literal(queryId),
        new o.LiteralMapExpr([new o.LiteralMapEntry(query.propertyName, o.literal(bindingType))])
      ]));
@ -548,7 +512,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    //   any,
    //   deps: ([DepFlags, any] | any)[], props?: {[name: string]: [number, string]},
    //   outputs?: {[name: string]: string}, component?: () => ViewDefinition): NodeDef;
-    const nodeDef = o.importExpr(createIdentifier(Identifiers.directiveDef)).callFn([
+    const nodeDef = () => o.importExpr(createIdentifier(Identifiers.directiveDef)).callFn([
      o.literal(flags), queryMatchExprs.length ? o.literalArr(queryMatchExprs) : o.NULL_EXPR,
      o.literal(childCount), providerExpr, depsExpr,
      inputDefs.length ? new o.LiteralMapExpr(inputDefs) : o.NULL_EXPR,
@ -571,7 +535,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    //   flags: NodeFlags, matchedQueries: [string, QueryValueType][], type: ProviderType, token:
    //   any,
    //   value: any, deps: ([DepFlags, any] | any)[]): NodeDef;
-    const nodeDef = o.importExpr(createIdentifier(Identifiers.providerDef)).callFn([
+    const nodeDef = () => o.importExpr(createIdentifier(Identifiers.providerDef)).callFn([
      o.literal(flags), queryMatchExprs.length ? o.literalArr(queryMatchExprs) : o.NULL_EXPR,
      o.literal(providerType), tokenExpr(providerAst.token), providerExpr, depsExpr
    ]);
@ -645,7 +609,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter

    const nodeIndex = this.nodeDefs.length;
    // pureArrayDef(argCount: number): NodeDef;
-    const nodeDef =
+    const nodeDef = () =>
        o.importExpr(createIdentifier(Identifiers.pureArrayDef)).callFn([o.literal(argCount)]);
    this.nodeDefs.push(nodeDef);

@ -659,7 +623,8 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter

    const nodeIndex = this.nodeDefs.length;
    // function pureObjectDef(propertyNames: string[]): NodeDef
-    const nodeDef = o.importExpr(createIdentifier(Identifiers.pureObjectDef)).callFn([o.literalArr(
+    const nodeDef = () =>
+        o.importExpr(createIdentifier(Identifiers.pureObjectDef)).callFn([o.literalArr(
            keys.map(key => o.literal(key)))]);
    this.nodeDefs.push(nodeDef);

@ -670,7 +635,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    if (pipe.pure) {
      const nodeIndex = this.nodeDefs.length;
      // function purePipeDef(argCount: number): NodeDef;
-      const nodeDef =
+      const nodeDef = () =>
          o.importExpr(createIdentifier(Identifiers.purePipeDef)).callFn([o.literal(argCount)]);
      this.nodeDefs.push(nodeDef);

@ -716,7 +681,7 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    const depExprs = pipe.type.diDeps.map(depDef);
    // function pipeDef(
    //   flags: NodeFlags, ctor: any, deps: ([DepFlags, any] | any)[]): NodeDef
-    const nodeDef = o.importExpr(createIdentifier(Identifiers.pipeDef)).callFn([
+    const nodeDef = () => o.importExpr(createIdentifier(Identifiers.pipeDef)).callFn([
      o.literal(flags), o.importExpr(pipe.type), o.literalArr(depExprs)
    ]);
    this.nodeDefs.push(nodeDef);
@ -736,12 +701,44 @@ class ViewBuilder implements TemplateAstVisitor, LocalResolver, BuiltinConverter
    target.push({nodeIndex, expressions: transformedExpressions});
  }

-  private _addHandleEventExpression(
-      nodeIndex: number, context: o.Expression, eventName: string, expression: AST) {
-    if (expression instanceof ASTWithSource) {
-      expression = expression.ast;
+  private _createElementHandleEventFn(
+      nodeIndex: number, handlers: {context: o.Expression, eventAst: BoundEventAst}[]) {
+    const handleEventStmts: o.Statement[] = [];
+    let handleEventBindingCount = 0;
+    handlers.forEach(({context, eventAst}) => {
+      const bindingId = `${handleEventBindingCount++}`;
+      const nameResolver = context === COMP_VAR ? this : null;
+      const expression =
+          eventAst.handler instanceof ASTWithSource ? eventAst.handler.ast : eventAst.handler;
+      const {stmts, allowDefault} =
+          convertActionBinding(nameResolver, context, expression, bindingId);
+      const trueStmts = stmts;
+      if (allowDefault) {
+        trueStmts.push(ALLOW_DEFAULT_VAR.set(allowDefault.and(ALLOW_DEFAULT_VAR)).toStmt());
      }
-    this.handleEventExpressions.push({nodeIndex, context, eventName, expression});
+      const fullEventName = viewEngine.elementEventFullName(eventAst.target, eventAst.name);
+      handleEventStmts.push(
+          new o.IfStmt(o.literal(fullEventName).identical(EVENT_NAME_VAR), trueStmts));
+    });
+    let handleEventFn: o.Expression;
+    if (handleEventStmts.length > 0) {
+      const preStmts: o.Statement[] =
+          [ALLOW_DEFAULT_VAR.set(o.literal(true)).toDeclStmt(o.BOOL_TYPE)];
+      if (!this.component.isHost) {
+        preStmts.push(COMP_VAR.set(VIEW_VAR.prop('component')).toDeclStmt(this.compType));
+      }
+      handleEventFn = o.fn(
+          [
+            new o.FnParam(VIEW_VAR.name, o.INFERRED_TYPE),
+            new o.FnParam(EVENT_NAME_VAR.name, o.INFERRED_TYPE),
+            new o.FnParam(EventHandlerVars.event.name, o.INFERRED_TYPE)
+          ],
+          [...preStmts, ...handleEventStmts, new o.ReturnStatement(ALLOW_DEFAULT_VAR)],
+          o.INFERRED_TYPE);
+    } else {
+      handleEventFn = o.NULL_EXPR;
+    }
+    return handleEventFn;
  }

  visitDirective(ast: DirectiveAst, context: {usedEvents: Set<string>}): any {}
--- a/modules/@angular/core/src/view/element.ts
+++ b/modules/@angular/core/src/view/element.ts
@ -9,12 +9,18 @@
 import {isDevMode} from '../application_ref';
 import {SecurityContext} from '../security';

-import {BindingDef, BindingType, DebugContext, DisposableFn, ElementData, ElementOutputDef, NodeData, NodeDef, NodeFlags, NodeType, QueryValueType, Services, ViewData, ViewDefinition, ViewDefinitionFactory, ViewFlags, asElementData} from './types';
+import {BindingDef, BindingType, DebugContext, DisposableFn, ElementData, ElementHandleEventFn, ElementOutputDef, NodeData, NodeDef, NodeFlags, NodeType, QueryValueType, Services, ViewData, ViewDefinition, ViewDefinitionFactory, ViewFlags, asElementData} from './types';
 import {checkAndUpdateBinding, dispatchEvent, elementEventFullName, filterQueryId, getParentRenderElement, resolveViewDefinition, sliceErrorStack, splitMatchedQueriesDsl, splitNamespace} from './util';

+const NOOP: any = () => {};
+
 export function anchorDef(
    flags: NodeFlags, matchedQueriesDsl: [string | number, QueryValueType][],
-    ngContentIndex: number, childCount: number, templateFactory?: ViewDefinitionFactory): NodeDef {
+    ngContentIndex: number, childCount: number, handleEvent?: ElementHandleEventFn,
+    templateFactory?: ViewDefinitionFactory): NodeDef {
+  if (!handleEvent) {
+    handleEvent = NOOP;
+  }
  const {matchedQueries, references, matchedQueryIds} = splitMatchedQueriesDsl(matchedQueriesDsl);
  // skip the call to sliceErrorStack itself + the call to this function.
  const source = isDevMode() ? sliceErrorStack(2, 3) : '';
@ -43,7 +49,7 @@ export function anchorDef(
      // will bet set by the view definition
      component: undefined,
      publicProviders: undefined,
-      allProviders: undefined,
+      allProviders: undefined, handleEvent
    },
    provider: undefined,
    text: undefined,
@ -60,7 +66,10 @@ export function elementDef(
    bindings?:
        ([BindingType.ElementClass, string] | [BindingType.ElementStyle, string, string] |
         [BindingType.ElementAttribute | BindingType.ElementProperty, string, SecurityContext])[],
-    outputs?: (string | [string, string])[]): NodeDef {
+    outputs?: (string | [string, string])[], handleEvent?: ElementHandleEventFn): NodeDef {
+  if (!handleEvent) {
+    handleEvent = NOOP;
+  }
  // skip the call to sliceErrorStack itself + the call to this function.
  const source = isDevMode() ? sliceErrorStack(2, 3) : '';
  const {matchedQueries, references, matchedQueryIds} = splitMatchedQueriesDsl(matchedQueriesDsl);
@ -131,7 +140,7 @@ export function elementDef(
      // will bet set by the view definition
      component: undefined,
      publicProviders: undefined,
-      allProviders: undefined,
+      allProviders: undefined, handleEvent,
    },
    provider: undefined,
    text: undefined,
--- a/modules/@angular/core/src/view/types.ts
+++ b/modules/@angular/core/src/view/types.ts
@ -205,6 +205,7 @@ export interface ElementDef {
   */
  allProviders: {[tokenKey: string]: NodeDef};
  source: string;
+  handleEvent: ElementHandleEventFn;
 }

 export interface ElementOutputDef {
@ -212,6 +213,8 @@ export interface ElementOutputDef {
  eventName: string;
 }

+export type ElementHandleEventFn = (view: ViewData, eventName: string, event: any) => boolean;
+
 export interface ProviderDef {
  type: ProviderType;
  token: any;
--- a/modules/@angular/core/src/view/view.ts
+++ b/modules/@angular/core/src/view/view.ts
@ -23,7 +23,7 @@ const NOOP = (): any => undefined;

 export function viewDef(
    flags: ViewFlags, nodes: NodeDef[], updateDirectives?: ViewUpdateFn,
-    updateRenderer?: ViewUpdateFn, handleEvent?: ViewHandleEventFn): ViewDefinition {
+    updateRenderer?: ViewUpdateFn): ViewDefinition {
  // clone nodes and set auto calculated values
  if (nodes.length === 0) {
    throw new Error(`Illegal State: Views without nodes are not allowed!`);
@ -131,6 +131,8 @@ export function viewDef(
    }
    currentParent = newParent;
  }
+  const handleEvent: ViewHandleEventFn = (view, nodeIndex, eventName, event) =>
+      nodes[nodeIndex].element.handleEvent(view, eventName, event);
  return {
    nodeFlags: viewNodeFlags,
    nodeMatchedQueries: viewMatchedQueries, flags,
@ -143,6 +145,8 @@ export function viewDef(
  };
 }

+
+
 function calculateReverseChildIndex(
    currentParent: NodeDef, i: number, childCount: number, nodeCount: number) {
  // Notes about reverse child order:
--- a/modules/@angular/core/test/view/anchor_spec.ts
+++ b/modules/@angular/core/test/view/anchor_spec.ts
@ -15,9 +15,9 @@ import {createRootView, isBrowser} from './helper';
 export function main() {
  describe(`View Anchor`, () => {
    function compViewDef(
-        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn): ViewDefinition {
-      return viewDef(ViewFlags.None, nodes, updateDirectives, updateRenderer, handleEvent);
+        nodes: NodeDef[], updateDirectives?: ViewUpdateFn,
+        updateRenderer?: ViewUpdateFn): ViewDefinition {
+      return viewDef(ViewFlags.None, nodes, updateDirectives, updateRenderer);
    }

    function createAndGetRootNodes(
--- a/modules/@angular/core/test/view/component_view_spec.ts
+++ b/modules/@angular/core/test/view/component_view_spec.ts
@ -16,8 +16,8 @@ export function main() {
  describe(`Component Views`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function createAndGetRootNodes(viewDef: ViewDefinition): {rootNodes: any[], view: ViewData} {
@ -191,7 +191,7 @@ export function main() {
                        [
                          elementDef(NodeFlags.None, null, null, 0, 'span', null, null, ['click']),
                        ],
-                        update, null, null, ViewFlags.OnPush)),
+                        update, null, ViewFlags.OnPush)),
              ],
              (check, view) => { check(view, 1, ArgumentType.Inline, compInputValue); }));

--- a/modules/@angular/core/test/view/element_spec.ts
+++ b/modules/@angular/core/test/view/element_spec.ts
@ -17,8 +17,8 @@ export function main() {
  describe(`View Elements`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function createAndGetRootNodes(
@ -189,18 +189,16 @@ export function main() {
          const handleEventSpy = jasmine.createSpy('handleEvent');
          const removeListenerSpy =
              spyOn(HTMLElement.prototype, 'removeEventListener').and.callThrough();
-          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef(
-              [elementDef(NodeFlags.None, null, null, 0, 'button', null, null, ['click'])], null,
-              null, handleEventSpy));
+          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
+              NodeFlags.None, null, null, 0, 'button', null, null, ['click'], handleEventSpy)]));

          rootNodes[0].click();

          expect(handleEventSpy).toHaveBeenCalled();
          let handleEventArgs = handleEventSpy.calls.mostRecent().args;
          expect(handleEventArgs[0]).toBe(view);
-          expect(handleEventArgs[1]).toBe(0);
-          expect(handleEventArgs[2]).toBe('click');
-          expect(handleEventArgs[3]).toBeTruthy();
+          expect(handleEventArgs[1]).toBe('click');
+          expect(handleEventArgs[2]).toBeTruthy();

          Services.destroyView(view);

@ -211,11 +209,9 @@ export function main() {
          const handleEventSpy = jasmine.createSpy('handleEvent');
          const addListenerSpy = spyOn(window, 'addEventListener');
          const removeListenerSpy = spyOn(window, 'removeEventListener');
-          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef(
-              [elementDef(
-                  NodeFlags.None, null, null, 0, 'button', null, null,
-                  [['window', 'windowClick']])],
-              null, null, handleEventSpy));
+          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
+              NodeFlags.None, null, null, 0, 'button', null, null, [['window', 'windowClick']],
+              handleEventSpy)]));

          expect(addListenerSpy).toHaveBeenCalled();
          expect(addListenerSpy.calls.mostRecent().args[0]).toBe('windowClick');
@ -224,9 +220,8 @@ export function main() {
          expect(handleEventSpy).toHaveBeenCalled();
          const handleEventArgs = handleEventSpy.calls.mostRecent().args;
          expect(handleEventArgs[0]).toBe(view);
-          expect(handleEventArgs[1]).toBe(0);
-          expect(handleEventArgs[2]).toBe('window:windowClick');
-          expect(handleEventArgs[3]).toBeTruthy();
+          expect(handleEventArgs[1]).toBe('window:windowClick');
+          expect(handleEventArgs[2]).toBeTruthy();

          Services.destroyView(view);

@ -237,11 +232,9 @@ export function main() {
          const handleEventSpy = jasmine.createSpy('handleEvent');
          const addListenerSpy = spyOn(document, 'addEventListener');
          const removeListenerSpy = spyOn(document, 'removeEventListener');
-          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef(
-              [elementDef(
-                  NodeFlags.None, null, null, 0, 'button', null, null,
-                  [['document', 'documentClick']])],
-              null, null, handleEventSpy));
+          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
+              NodeFlags.None, null, null, 0, 'button', null, null, [['document', 'documentClick']],
+              handleEventSpy)]));

          expect(addListenerSpy).toHaveBeenCalled();
          expect(addListenerSpy.calls.mostRecent().args[0]).toBe('documentClick');
@ -250,9 +243,8 @@ export function main() {
          expect(handleEventSpy).toHaveBeenCalled();
          const handleEventArgs = handleEventSpy.calls.mostRecent().args;
          expect(handleEventArgs[0]).toBe(view);
-          expect(handleEventArgs[1]).toBe(0);
-          expect(handleEventArgs[2]).toBe('document:documentClick');
-          expect(handleEventArgs[3]).toBeTruthy();
+          expect(handleEventArgs[1]).toBe('document:documentClick');
+          expect(handleEventArgs[2]).toBeTruthy();

          Services.destroyView(view);

@ -263,12 +255,12 @@ export function main() {
          let eventHandlerResult: any;
          let preventDefaultSpy: jasmine.Spy;

-          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef(
-              [elementDef(NodeFlags.None, null, null, 0, 'button', null, null, ['click'])], null,
-              null, (view, index, eventName, event) => {
+          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef([elementDef(
+              NodeFlags.None, null, null, 0, 'button', null, null, ['click'],
+              (view, eventName, event) => {
                preventDefaultSpy = spyOn(event, 'preventDefault').and.callThrough();
                return eventHandlerResult;
-              }));
+              })]));

          eventHandlerResult = undefined;
          rootNodes[0].click();
@ -290,8 +282,9 @@ export function main() {
        it('should report debug info on event errors', () => {
          const addListenerSpy = spyOn(HTMLElement.prototype, 'addEventListener').and.callThrough();
          const {view, rootNodes} = createAndAttachAndGetRootNodes(compViewDef(
-              [elementDef(NodeFlags.None, null, null, 0, 'button', null, null, ['click'])], null,
-              null, () => { throw new Error('Test'); }));
+              [elementDef(NodeFlags.None, null, null, 0, 'button', null, null, ['click'], () => {
+                throw new Error('Test');
+              })]));

          let err: any;
          try {
--- a/modules/@angular/core/test/view/embedded_view_spec.ts
+++ b/modules/@angular/core/test/view/embedded_view_spec.ts
@ -17,8 +17,8 @@ export function main() {
  describe(`Embedded Views`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function embeddedViewDef(nodes: NodeDef[], update?: ViewUpdateFn): ViewDefinitionFactory {
@ -40,7 +40,7 @@ export function main() {
          compViewDef([
            elementDef(NodeFlags.None, null, null, 1, 'div'),
            anchorDef(
-                NodeFlags.HasEmbeddedViews, null, null, 0,
+                NodeFlags.HasEmbeddedViews, null, null, 0, null,
                embeddedViewDef([elementDef(NodeFlags.None, null, null, 0, 'span')])),
          ]),
          parentContext);
@ -54,10 +54,10 @@ export function main() {
    it('should attach and detach embedded views', () => {
      const {view: parentView, rootNodes} = createAndGetRootNodes(compViewDef([
        elementDef(NodeFlags.None, null, null, 2, 'div'),
-        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', [['name', 'child0']])
                  ])),
-        anchorDef(NodeFlags.None, null, null, 0, embeddedViewDef([
+        anchorDef(NodeFlags.None, null, null, 0, null, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', [['name', 'child1']])
                  ]))
      ]));
@ -84,10 +84,10 @@ export function main() {
    it('should move embedded views', () => {
      const {view: parentView, rootNodes} = createAndGetRootNodes(compViewDef([
        elementDef(NodeFlags.None, null, null, 2, 'div'),
-        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', [['name', 'child0']])
                  ])),
-        anchorDef(NodeFlags.None, null, null, 0, embeddedViewDef([
+        anchorDef(NodeFlags.None, null, null, 0, null, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', [['name', 'child1']])
                  ]))
      ]));
@ -111,7 +111,7 @@ export function main() {

    it('should include embedded views in root nodes', () => {
      const {view: parentView} = createAndGetRootNodes(compViewDef([
-        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 0, 'span', [['name', 'child0']])
                  ])),
        elementDef(NodeFlags.None, null, null, 0, 'span', [['name', 'after']])
@ -136,7 +136,7 @@ export function main() {
      const {view: parentView, rootNodes} = createAndGetRootNodes(compViewDef([
        elementDef(NodeFlags.None, null, null, 1, 'div'),
        anchorDef(
-            NodeFlags.HasEmbeddedViews, null, null, 0,
+            NodeFlags.HasEmbeddedViews, null, null, 0, null,
            embeddedViewDef(
                [elementDef(
                    NodeFlags.None, null, null, 0, 'span', null,
@ -172,7 +172,7 @@ export function main() {

      const {view: parentView} = createAndGetRootNodes(compViewDef([
        elementDef(NodeFlags.None, null, null, 1, 'div'),
-        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                    elementDef(NodeFlags.None, null, null, 1, 'span'),
                    directiveDef(NodeFlags.OnDestroy, null, 0, ChildProvider, [])
                  ]))
--- a/modules/@angular/core/test/view/ng_content_spec.ts
+++ b/modules/@angular/core/test/view/ng_content_spec.ts
@ -16,8 +16,8 @@ export function main() {
  describe(`View NgContent`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function embeddedViewDef(nodes: NodeDef[], update?: ViewUpdateFn): ViewDefinitionFactory {
@ -85,8 +85,8 @@ export function main() {

      const {view, rootNodes} = createAndGetRootNodes(compViewDef(hostElDef(
          [
-            anchorDef(
-                NodeFlags.HasEmbeddedViews, null, 0, 1, embeddedViewDef([textDef(null, ['a'])])),
+            anchorDef(NodeFlags.HasEmbeddedViews, null, 0, 1, null, embeddedViewDef([textDef(
+                                                                        null, ['a'])])),
            directiveDef(
                NodeFlags.None, null, 0, CreateViewService, [TemplateRef, ViewContainerRef])
          ],
@ -103,7 +103,7 @@ export function main() {
    it('should include projected nodes when attaching / detaching embedded views', () => {
      const {view, rootNodes} = createAndGetRootNodes(compViewDef(hostElDef([textDef(0, ['a'])], [
        elementDef(NodeFlags.None, null, null, 1, 'div'),
-        anchorDef(NodeFlags.HasEmbeddedViews, null, 0, 0, embeddedViewDef([
+        anchorDef(NodeFlags.HasEmbeddedViews, null, 0, 0, null, embeddedViewDef([
                    ngContentDef(null, 0),
                    // The anchor would be added by the compiler after the ngContent
                    anchorDef(NodeFlags.None, null, null, 0),
--- a/modules/@angular/core/test/view/provider_spec.ts
+++ b/modules/@angular/core/test/view/provider_spec.ts
@ -18,8 +18,8 @@ export function main() {
  describe(`View Providers`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function embeddedViewDef(nodes: NodeDef[], update?: ViewUpdateFn): ViewDefinitionFactory {
@ -238,7 +238,7 @@ export function main() {

          it('should inject TemplateRef', () => {
            createAndGetRootNodes(compViewDef([
-              anchorDef(NodeFlags.None, null, null, 1, embeddedViewDef([anchorDef(
+              anchorDef(NodeFlags.None, null, null, 1, null, embeddedViewDef([anchorDef(
                                                                 NodeFlags.None, null, null, 0)])),
              directiveDef(NodeFlags.None, null, 0, SomeService, [TemplateRef])
            ]));
@ -365,16 +365,14 @@ export function main() {
        const handleEvent = jasmine.createSpy('handleEvent');
        const subscribe = spyOn(emitter, 'subscribe').and.callThrough();

-        const {view, rootNodes} = createAndGetRootNodes(compViewDef(
-            [
-              elementDef(NodeFlags.None, null, null, 1, 'span'),
+        const {view, rootNodes} = createAndGetRootNodes(compViewDef([
+          elementDef(NodeFlags.None, null, null, 1, 'span', null, null, null, handleEvent),
          directiveDef(
              NodeFlags.None, null, 0, SomeService, [], null, {emitter: 'someEventName'})
-            ],
-            null, null, handleEvent));
+        ]));

        emitter.emit('someEventInstance');
-        expect(handleEvent).toHaveBeenCalledWith(view, 0, 'someEventName', 'someEventInstance');
+        expect(handleEvent).toHaveBeenCalledWith(view, 'someEventName', 'someEventInstance');

        Services.destroyView(view);
        expect(unsubscribeSpy).toHaveBeenCalled();
@ -387,13 +385,13 @@ export function main() {
          emitter = emitter;
        }

-        const {view, rootNodes} = createAndGetRootNodes(compViewDef(
-            [
-              elementDef(NodeFlags.None, null, null, 1, 'span'),
+        const {view, rootNodes} = createAndGetRootNodes(compViewDef([
+          elementDef(
+              NodeFlags.None, null, null, 1, 'span', null, null, null,
+              () => { throw new Error('Test'); }),
          directiveDef(
              NodeFlags.None, null, 0, SomeService, [], null, {emitter: 'someEventName'})
-            ],
-            null, null, () => { throw new Error('Test'); }));
+        ]));

        let err: any;
        try {
--- a/modules/@angular/core/test/view/pure_expression_spec.ts
+++ b/modules/@angular/core/test/view/pure_expression_spec.ts
@ -16,8 +16,8 @@ export function main() {
  describe(`View Pure Expressions`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function createAndGetRootNodes(viewDef: ViewDefinition): {rootNodes: any[], view: ViewData} {
--- a/modules/@angular/core/test/view/query_spec.ts
+++ b/modules/@angular/core/test/view/query_spec.ts
@ -18,8 +18,8 @@ export function main() {
  describe(`Query Views`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function embeddedViewDef(nodes: NodeDef[], update?: ViewUpdateFn): ViewDefinitionFactory {
@ -145,7 +145,7 @@ export function main() {
        const {view} = createAndGetRootNodes(compViewDef([
          elementDef(NodeFlags.None, null, null, 5, 'div'),
          ...contentQueryProviders(),
-          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 2, embeddedViewDef([
+          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 2, null, embeddedViewDef([
                      elementDef(NodeFlags.None, null, null, 1, 'div'),
                      aServiceProvider(),
                    ])),
@ -171,7 +171,7 @@ export function main() {
        const {view} = createAndGetRootNodes(compViewDef([
          elementDef(NodeFlags.None, null, null, 3, 'div'),
          ...contentQueryProviders(),
-          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                      elementDef(NodeFlags.None, null, null, 1, 'div'),
                      aServiceProvider(),
                    ])),
@ -200,7 +200,7 @@ export function main() {
        const {view} = createAndGetRootNodes(compViewDef([
          elementDef(NodeFlags.None, null, null, 3, 'div'),
          ...contentQueryProviders(),
-          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                      elementDef(NodeFlags.None, null, null, 1, 'div'),
                      aServiceProvider(),
                    ])),
@ -227,7 +227,7 @@ export function main() {
        const {view} = createAndGetRootNodes(compViewDef([
          elementDef(NodeFlags.None, null, null, 1, 'div'),
          ...viewQueryProviders([
-            anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+            anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                        elementDef(NodeFlags.None, null, null, 1, 'div'),
                        aServiceProvider(),
                      ])),
@ -328,7 +328,7 @@ export function main() {

        const {view} = createAndGetRootNodes(compViewDef([
          anchorDef(
-              NodeFlags.None, [[someQueryId, QueryValueType.TemplateRef]], null, 2,
+              NodeFlags.None, [[someQueryId, QueryValueType.TemplateRef]], null, 2, null,
              embeddedViewDef([anchorDef(NodeFlags.None, null, null, 0)])),
          directiveDef(NodeFlags.None, null, 1, QueryService, []),
          queryDef(
@ -367,7 +367,7 @@ export function main() {
        const {view} = createAndGetRootNodes(compViewDef([
          elementDef(NodeFlags.None, null, null, 3, 'div'),
          ...contentQueryProviders(),
-          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, embeddedViewDef([
+          anchorDef(NodeFlags.HasEmbeddedViews, null, null, 0, null, embeddedViewDef([
                      elementDef(NodeFlags.None, null, null, 1, 'div'),
                      aServiceProvider(),
                    ])),
--- a/modules/@angular/core/test/view/services_spec.ts
+++ b/modules/@angular/core/test/view/services_spec.ts
@ -17,8 +17,8 @@ export function main() {
  describe('View Services', () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function createAndGetRootNodes(
--- a/modules/@angular/core/test/view/text_spec.ts
+++ b/modules/@angular/core/test/view/text_spec.ts
@ -17,8 +17,8 @@ export function main() {
  describe(`View Text`, () => {
    function compViewDef(
        nodes: NodeDef[], updateDirectives?: ViewUpdateFn, updateRenderer?: ViewUpdateFn,
-        handleEvent?: ViewHandleEventFn, viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
-      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer, handleEvent);
+        viewFlags: ViewFlags = ViewFlags.None): ViewDefinition {
+      return viewDef(viewFlags, nodes, updateDirectives, updateRenderer);
    }

    function createAndGetRootNodes(
--- a/modules/@angular/core/test/view/view_def_spec.ts
+++ b/modules/@angular/core/test/view/view_def_spec.ts
@ -232,7 +232,7 @@ export function main() {
        const vd = viewDef(ViewFlags.None, [
          elementDef(NodeFlags.None, null, null, 1, 'span'),
          anchorDef(
-              NodeFlags.None, null, null, 0,
+              NodeFlags.None, null, null, 0, null,
              () => viewDef(
                  ViewFlags.None,
                  [
--- a/modules/benchmarks/src/tree/ng2_next/tree.ts
+++ b/modules/benchmarks/src/tree/ng2_next/tree.ts
@ -67,10 +67,10 @@ function TreeComponent_0(): ViewDefinition {
            NodeFlags.None, null, null, 1, 'span', null,
            [[BindingType.ElementStyle, 'backgroundColor', null]]),
        textDef(null, [' ', ' ']),
-        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 1, TreeComponent_1),
+        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 1, null, TreeComponent_1),
        directiveDef(
            NodeFlags.None, null, 0, NgIf, [ViewContainerRef, TemplateRef], {ngIf: [0, 'ngIf']}),
-        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 1, TreeComponent_2),
+        anchorDef(NodeFlags.HasEmbeddedViews, null, null, 1, null, TreeComponent_2),
        directiveDef(
            NodeFlags.None, null, 0, NgIf, [ViewContainerRef, TemplateRef], {ngIf: [0, 'ngIf']}),
      ],