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feat(core): separate refs from vars.

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Introduces `ref-` to give a name to an element or a directive (also works for `<template>` elements), and `let-` to introduce an input variable for a `<template>` element.

BREAKING CHANGE:
- `#...` now always means `ref-`.
- `<template #abc>` now defines a reference to the TemplateRef, instead of an input variable used inside of the template.
- `#...` inside of a *ngIf, … directives is deprecated.
  Use `let …` instead.
- `var-...` is deprecated. Replace with `let-...` for `<template>` elements and `ref-` for non `<template>` elements.

Closes #7158

Closes #8264
This commit is contained in:
Tobias Bosch
2016-04-25 19:52:24 -07:00
parent ff2ae7a2e1
commit d2efac18ed
69 changed files with 651 additions and 414 deletions
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11
tools/public_api_guard/public_api_spec.ts
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@ -848,15 +848,14 @@ const COMPILER = [
'BoundTextAst.constructor(value:AST, ngContentIndex:number, sourceSpan:ParseSourceSpan)',
'BoundTextAst.visit(visitor:TemplateAstVisitor, context:any):any',
'DirectiveAst',
'DirectiveAst.constructor(directive:CompileDirectiveMetadata, inputs:BoundDirectivePropertyAst[], hostProperties:BoundElementPropertyAst[], hostEvents:BoundEventAst[], exportAsVars:VariableAst[], sourceSpan:ParseSourceSpan)',
'DirectiveAst.constructor(directive:CompileDirectiveMetadata, inputs:BoundDirectivePropertyAst[], hostProperties:BoundElementPropertyAst[], hostEvents:BoundEventAst[], sourceSpan:ParseSourceSpan)',
'DirectiveAst.visit(visitor:TemplateAstVisitor, context:any):any',
'ElementAst',
'ElementAst.constructor(name:string, attrs:AttrAst[], inputs:BoundElementPropertyAst[], outputs:BoundEventAst[], exportAsVars:VariableAst[], directives:DirectiveAst[], providers:ProviderAst[], hasViewContainer:boolean, children:TemplateAst[], ngContentIndex:number, sourceSpan:ParseSourceSpan)',
'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.isBound():boolean',
'ElementAst.visit(visitor:TemplateAstVisitor, context:any):any',
'EmbeddedTemplateAst',
'EmbeddedTemplateAst.constructor(attrs:AttrAst[], outputs:BoundEventAst[], vars:VariableAst[], directives:DirectiveAst[], providers:ProviderAst[], hasViewContainer:boolean, children:TemplateAst[], ngContentIndex:number, sourceSpan:ParseSourceSpan)',
'EmbeddedTemplateAst.constructor(attrs:AttrAst[], outputs:BoundEventAst[], references:ReferenceAst[], variables:VariableAst[], directives:DirectiveAst[], providers:ProviderAst[], hasViewContainer:boolean, children:TemplateAst[], ngContentIndex:number, sourceSpan:ParseSourceSpan)',
'EmbeddedTemplateAst.visit(visitor:TemplateAstVisitor, context:any):any',
'NgContentAst',
'NgContentAst.constructor(index:number, ngContentIndex:number, sourceSpan:ParseSourceSpan)',
@ -890,6 +889,10 @@ const COMPILER = [
'VariableAst',
'VariableAst.constructor(name:string, value:string, sourceSpan:ParseSourceSpan)',
'VariableAst.visit(visitor:TemplateAstVisitor, context:any):any',
'ReferenceAst',
'ReferenceAst.constructor(name:string, value:CompileTokenMetadata, sourceSpan:ParseSourceSpan)',
'ReferenceAst.visit(visitor:TemplateAstVisitor, context:any):any',
'TemplateAstVisitor.visitReference(ast:ReferenceAst, context:any):any',
'XHR',
'XHR.get(url:string):Promise<string>',
'const COMPILER_PROVIDERS:Array<Type|Provider|any[]>',