angular/packages/animations/browser/src/dsl/animation_dsl_visitor.ts

59 lines
3.3 KiB
TypeScript

/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import {AnimationAnimateChildMetadata, AnimationAnimateMetadata, AnimationAnimateRefMetadata, AnimationGroupMetadata, AnimationKeyframesSequenceMetadata, AnimationMetadata, AnimationMetadataType, AnimationQueryMetadata, AnimationReferenceMetadata, AnimationSequenceMetadata, AnimationStaggerMetadata, AnimationStateMetadata, AnimationStyleMetadata, AnimationTransitionMetadata, AnimationTriggerMetadata} from '@angular/animations';
export interface AnimationDslVisitor {
visitTrigger(ast: AnimationTriggerMetadata, context: any): any;
visitState(ast: AnimationStateMetadata, context: any): any;
visitTransition(ast: AnimationTransitionMetadata, context: any): any;
visitSequence(ast: AnimationSequenceMetadata, context: any): any;
visitGroup(ast: AnimationGroupMetadata, context: any): any;
visitAnimate(ast: AnimationAnimateMetadata, context: any): any;
visitStyle(ast: AnimationStyleMetadata, context: any): any;
visitKeyframes(ast: AnimationKeyframesSequenceMetadata, context: any): any;
visitReference(ast: AnimationReferenceMetadata, context: any): any;
visitAnimateChild(ast: AnimationAnimateChildMetadata, context: any): any;
visitAnimateRef(ast: AnimationAnimateRefMetadata, context: any): any;
visitQuery(ast: AnimationQueryMetadata, context: any): any;
visitStagger(ast: AnimationStaggerMetadata, context: any): any;
}
export function visitAnimationNode(
visitor: AnimationDslVisitor, node: AnimationMetadata, context: any) {
switch (node.type) {
case AnimationMetadataType.Trigger:
return visitor.visitTrigger(node as AnimationTriggerMetadata, context);
case AnimationMetadataType.State:
return visitor.visitState(node as AnimationStateMetadata, context);
case AnimationMetadataType.Transition:
return visitor.visitTransition(node as AnimationTransitionMetadata, context);
case AnimationMetadataType.Sequence:
return visitor.visitSequence(node as AnimationSequenceMetadata, context);
case AnimationMetadataType.Group:
return visitor.visitGroup(node as AnimationGroupMetadata, context);
case AnimationMetadataType.Animate:
return visitor.visitAnimate(node as AnimationAnimateMetadata, context);
case AnimationMetadataType.Keyframes:
return visitor.visitKeyframes(node as AnimationKeyframesSequenceMetadata, context);
case AnimationMetadataType.Style:
return visitor.visitStyle(node as AnimationStyleMetadata, context);
case AnimationMetadataType.Reference:
return visitor.visitReference(node as AnimationReferenceMetadata, context);
case AnimationMetadataType.AnimateChild:
return visitor.visitAnimateChild(node as AnimationAnimateChildMetadata, context);
case AnimationMetadataType.AnimateRef:
return visitor.visitAnimateRef(node as AnimationAnimateRefMetadata, context);
case AnimationMetadataType.Query:
return visitor.visitQuery(node as AnimationQueryMetadata, context);
case AnimationMetadataType.Stagger:
return visitor.visitStagger(node as AnimationStaggerMetadata, context);
default:
throw new Error(`Unable to resolve animation metadata node #${node.type}`);
}
}