feat: remove MapWrapper.contains().

Author: mprobst

modules/angular2/src/change_detection/parser/locals.ts

@@ -5,7 +5,7 @@ export class Locals {
   constructor(public parent: Locals, public current: Map<any, any>) {}
 
   contains(name: string): boolean {
-    if (MapWrapper.contains(this.current, name)) {
+    if (this.current.has(name)) {
       return true;
     }
 
@@ -17,7 +17,7 @@ export class Locals {
   }
 
   get(name: string) {
-    if (MapWrapper.contains(this.current, name)) {
+    if (this.current.has(name)) {
       return this.current.get(name);
     }
 
@@ -32,7 +32,7 @@ export class Locals {
     // TODO(rado): consider removing this check if we can guarantee this is not
     // exposed to the public API.
     // TODO: vsavkin maybe it should check only the local map
-    if (MapWrapper.contains(this.current, name)) {
+    if (this.current.has(name)) {
       this.current.set(name, value);
     } else {
       throw new BaseException(

modules/angular2/src/change_detection/pipes/keyvalue_changes.ts

@@ -105,7 +105,7 @@ export class KeyValueChanges extends Pipe {
           this._removeFromSeq(lastOldSeqRecord, oldSeqRecord);
           this._addToRemovals(oldSeqRecord);
         }
-        if (MapWrapper.contains(records, key)) {
+        if (records.has(key)) {
           newSeqRecord = records.get(key);
         } else {
           newSeqRecord = new KVChangeRecord(key);

modules/angular2/src/core/compiler/element_injector.ts

@@ -421,7 +421,7 @@ export class ProtoElementInjector {
     var visitedIds: Map<number, boolean> = new Map();
     ListWrapper.forEach(dirBindings, dirBinding => {
       ListWrapper.forEach(dirBinding.resolvedHostInjectables, b => {
-        if (MapWrapper.contains(visitedIds, b.key.id)) {
+        if (visitedIds.has(b.key.id)) {
           throw new BaseException(
               `Multiple directives defined the same host injectable: "${stringify(b.key.token)}"`);
         }
@@ -730,7 +730,7 @@ export class ElementInjector extends TreeNode<ElementInjector> {
 
   hasVariableBinding(name: string): boolean {
     var vb = this._proto.directiveVariableBindings;
-    return isPresent(vb) && MapWrapper.contains(vb, name);
+    return isPresent(vb) && vb.has(name);
   }
 
   getVariableBinding(name: string): any {
@@ -891,7 +891,7 @@ export class ElementInjector extends TreeNode<ElementInjector> {
 
   private _buildAttribute(dep: DirectiveDependency): string {
     var attributes = this._proto.attributes;
-    if (isPresent(attributes) && MapWrapper.contains(attributes, dep.attributeName)) {
+    if (isPresent(attributes) && attributes.has(dep.attributeName)) {
       return attributes.get(dep.attributeName);
     } else {
       return null;

modules/angular2/src/core/compiler/proto_view_factory.ts

@@ -115,7 +115,7 @@ class BindingRecordsCreator {
                       directiveMetadata: renderApi.DirectiveMetadata): DirectiveRecord {
     var id = boundElementIndex * 100 + directiveIndex;
 
-    if (!MapWrapper.contains(this._directiveRecordsMap, id)) {
+    if (!this._directiveRecordsMap.has(id)) {
       this._directiveRecordsMap.set(
           id, new DirectiveRecord({
             directiveIndex: new DirectiveIndex(boundElementIndex, directiveIndex),

modules/angular2/src/core/compiler/view.ts

@@ -73,7 +73,7 @@ export class AppView implements ChangeDispatcher, EventDispatcher {
 
   setLocal(contextName: string, value): void {
     if (!this.hydrated()) throw new BaseException('Cannot set locals on dehydrated view.');
-    if (!MapWrapper.contains(this.proto.variableBindings, contextName)) {
+    if (!this.proto.variableBindings.has(contextName)) {
       return;
     }
     var templateName = this.proto.variableBindings.get(contextName);

modules/angular2/src/core/testability/testability.ts

@@ -71,7 +71,7 @@ export class TestabilityRegistry {
     if (elem == null) {
       return null;
     }
-    if (MapWrapper.contains(this._applications, elem)) {
+    if (this._applications.has(elem)) {
       return this._applications.get(elem);
     }
     if (DOM.isShadowRoot(elem)) {

modules/angular2/src/di/key.ts

@@ -56,7 +56,7 @@ export class KeyRegistry {
     }
     token = theToken;
 
-    if (MapWrapper.contains(this._allKeys, token)) {
+    if (this._allKeys.has(token)) {
       return this._allKeys.get(token);
     }
 

modules/angular2/src/facade/collection.dart

@@ -36,7 +36,6 @@ class MapWrapper {
     m[p[0]] = p[1];
     return m;
   });
-  static contains(Map m, k) => m.containsKey(k);
   static forEach(Map m, fn(v, k)) {
     m.forEach((k, v) => fn(v, k));
   }

modules/angular2/src/facade/collection.ts

@@ -64,7 +64,6 @@ export class MapWrapper {
     return result;
   }
   static createFromPairs(pairs: List<any>): Map<any, any> { return createMapFromPairs(pairs); }
-  static contains<K>(m: Map<K, any>, k: K) { return m.has(k); }
   static forEach<K, V>(m: Map<K, V>, fn: /*(V, K) => void*/ Function) { m.forEach(<any>fn); }
   static size(m: Map<any, any>) { return m.size; }
   static delete<K>(m: Map<K, any>, k: K) { m.delete(k); }

modules/angular2/src/http/headers.ts

@@ -53,7 +53,7 @@ export class Headers {
 
   get(header: string): string { return ListWrapper.first(this._headersMap.get(header)); }
 
-  has(header: string) { return MapWrapper.contains(this._headersMap, header); }
+  has(header: string) { return this._headersMap.has(header); }
 
   keys() { return MapWrapper.keys(this._headersMap); }