fix(compiler): project using the right directive as component.

tbosch · tbosch · commit 0f774df81150 · 2016-04-29T18:30:30.000-07:00
Closes angular#8344
diff --git a/modules/angular2/src/compiler/template_ast.ts b/modules/angular2/src/compiler/template_ast.ts
@@ -116,19 +116,6 @@ export class ElementAst implements TemplateAst {
   visit(visitor: TemplateAstVisitor, context: any): any {
     return visitor.visitElement(this, context);
   }
-
-  /**
-   * Get the component associated with this element, if any.
-   */
-  getComponent(): CompileDirectiveMetadata {
-    for (var i = 0; i < this.directives.length; i++) {
-      var dirAst = this.directives[i];
-      if (dirAst.directive.isComponent) {
-        return dirAst.directive;
-      }
-    }
-    return null;
-  }
 }
 
 /**
diff --git a/modules/angular2/src/compiler/template_parser.ts b/modules/angular2/src/compiler/template_parser.ts
@@ -847,8 +847,9 @@ class ElementContext {
                 providerContext: ProviderElementContext): ElementContext {
     var matcher = new SelectorMatcher();
     var wildcardNgContentIndex = null;
-    if (directives.length > 0 && directives[0].directive.isComponent) {
-      var ngContentSelectors = directives[0].directive.template.ngContentSelectors;
+    var component = directives.find(directive => directive.directive.isComponent);
+    if (isPresent(component)) {
+      var ngContentSelectors = component.directive.template.ngContentSelectors;
       for (var i = 0; i < ngContentSelectors.length; i++) {
         var selector = ngContentSelectors[i];
         if (StringWrapper.equals(selector, '*')) {
diff --git a/modules/angular2/src/compiler/view_compiler/view_builder.ts b/modules/angular2/src/compiler/view_compiler/view_builder.ts
@@ -200,8 +200,8 @@ class ViewBuilderVisitor implements TemplateAstVisitor {
 
     var renderNode = o.THIS_EXPR.prop(fieldName);
 
-    var component = ast.getComponent();
     var directives = ast.directives.map(directiveAst => directiveAst.directive);
+    var component = directives.find(directive => directive.isComponent);
     var htmlAttrs = _readHtmlAttrs(ast.attrs);
     var attrNameAndValues = _mergeHtmlAndDirectiveAttrs(htmlAttrs, directives);
     for (var i = 0; i < attrNameAndValues.length; i++) {
diff --git a/modules/angular2/src/core/linker/view_utils.ts b/modules/angular2/src/core/linker/view_utils.ts
@@ -156,8 +156,8 @@ export function castByValue<T>(input: any, value: T): T {
   return <T>input;
 }
 
-export const EMPTY_ARRAY = CONST_EXPR([]);
-export const EMPTY_MAP = CONST_EXPR({});
+export const EMPTY_ARRAY = /*@ts2dart_const*/[];
+export const EMPTY_MAP = /*@ts2dart_const*/ {};
 
 export function pureProxy1<P0, R>(fn: (p0: P0) => R): (p0: P0) => R {
   var result: R;
diff --git a/modules/angular2/test/compiler/template_parser_spec.ts b/modules/angular2/test/compiler/template_parser_spec.ts
@@ -1027,6 +1027,14 @@ There is no directive with "exportAs" set to "dirA" ("<div [ERROR ->]#a="dirA"><
         })
       }
 
+      function createDir(selector: string): CompileDirectiveMetadata {
+        return CompileDirectiveMetadata.create({
+          selector: selector,
+          type:
+              new CompileTypeMetadata({moduleUrl: someModuleUrl, name: `SomeDir${compCounter++}`})
+        })
+      }
+
       describe('project text nodes', () => {
         it('should project text nodes with wildcard selector', () => {
           expect(humanizeContentProjection(parse('<div>hello</div>', [createComp('div', ['*'])])))
@@ -1140,6 +1148,12 @@ There is no directive with "exportAs" set to "dirA" ("<div [ERROR ->]#a="dirA"><
               .toEqual([['div', null], ['template', 1], ['a', null]]);
         });
       });
+
+      it('should support other directives before the component', () => {
+        expect(humanizeContentProjection(
+                   parse('<div>hello</div>', [createDir('div'), createComp('div', ['*'])])))
+            .toEqual([['div', null], ['#text(hello)', 0]]);
+      });
     });
 
     describe('splitClasses', () => {
diff --git a/modules/angular2/test/core/linker/regression_integration_spec.ts b/modules/angular2/test/core/linker/regression_integration_spec.ts
@@ -33,6 +33,7 @@ import {
   OpaqueToken,
   Injector
 } from 'angular2/core';
+import {NgIf, NgClass} from 'angular2/common';
 import {CompilerConfig} from 'angular2/compiler';
 
 export function main() {
@@ -170,6 +171,22 @@ function declareTests(isJit: boolean) {
              });
        }));
 
+    it('should support ngClass before a component and content projection inside of an ngIf',
+       inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
+         tcb.overrideView(
+                MyComp, new ViewMetadata({
+                  template: `A<cmp-content *ngIf="true" [ngClass]="'red'">B</cmp-content>C`,
+                  directives: [NgClass, NgIf, CmpWithNgContent]
+                }))
+             .createAsync(MyComp)
+             .then((fixture) => {
+               fixture.detectChanges();
+               expect(fixture.nativeElement).toHaveText('ABC');
+               async.done();
+             });
+       }));
+
+
   });
 }
 
@@ -187,3 +204,7 @@ class PlatformPipe implements PipeTransform {
 class CustomPipe implements PipeTransform {
   transform(value: any): any { return 'someCustomPipe'; }
 }
+
+@Component({selector: 'cmp-content', template: `<ng-content></ng-content>`})
+class CmpWithNgContent {
+}
diff --git a/tools/public_api_guard/public_api_spec.ts b/tools/public_api_guard/public_api_spec.ts
@@ -850,7 +850,6 @@ const COMPILER = [
   'DirectiveAst.visit(visitor:TemplateAstVisitor, context:any):any',
   'ElementAst',
   'ElementAst.constructor(name:string, attrs:AttrAst[], inputs:BoundElementPropertyAst[], outputs:BoundEventAst[], references:ReferenceAst[], directives:DirectiveAst[], providers:ProviderAst[], hasViewContainer:boolean, children:TemplateAst[], ngContentIndex:number, sourceSpan:ParseSourceSpan)',
-  'ElementAst.getComponent():CompileDirectiveMetadata',
   'ElementAst.visit(visitor:TemplateAstVisitor, context:any):any',
   'EmbeddedTemplateAst',
   'EmbeddedTemplateAst.constructor(attrs:AttrAst[], outputs:BoundEventAst[], references:ReferenceAst[], variables:VariableAst[], directives:DirectiveAst[], providers:ProviderAst[], hasViewContainer:boolean, children:TemplateAst[], ngContentIndex:number, sourceSpan:ParseSourceSpan)',

Original file line number	Diff line number	Diff line change
`@@ -156,8 +156,8 @@ export function castByValue<T>(input: any, value: T): T {`
`156`	`156`	`return <T>input;`
`157`	`157`	`}`
`158`	`158`
`159`		`-export const EMPTY_ARRAY = CONST_EXPR([]);`
`160`		`-export const EMPTY_MAP = CONST_EXPR({});`
	`159`	`+export const EMPTY_ARRAY = /@ts2dart_const/[];`
	`160`	`+export const EMPTY_MAP = /@ts2dart_const/ {};`
`161`	`161`
`162`	`162`	`export function pureProxy1<P0, R>(fn: (p0: P0) => R): (p0: P0) => R {`
`163`	`163`	`var result: R;`