68 lines
2.9 KiB
TypeScript
68 lines
2.9 KiB
TypeScript
import {ListWrapper, MapWrapper} from 'angular2/src/facade/collection';
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import {isPresent, isArray} from 'angular2/src/facade/lang';
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import {DirectiveMetadata} from 'angular2/src/render/api';
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/**
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* Converts a [DirectiveMetadata] to a map representation. This creates a copy,
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* that is, subsequent changes to `meta` will not be mirrored in the map.
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*/
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export function directiveMetadataToMap(meta: DirectiveMetadata): Map<string, any> {
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return MapWrapper.createFromPairs([
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['id', meta.id],
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['selector', meta.selector],
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['compileChildren', meta.compileChildren],
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['hostProperties', _cloneIfPresent(meta.hostProperties)],
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['hostListeners', _cloneIfPresent(meta.hostListeners)],
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['hostActions', _cloneIfPresent(meta.hostActions)],
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['hostAttributes', _cloneIfPresent(meta.hostAttributes)],
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['properties', _cloneIfPresent(meta.properties)],
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['readAttributes', _cloneIfPresent(meta.readAttributes)],
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['type', meta.type],
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['exportAs', meta.exportAs],
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['callOnDestroy', meta.callOnDestroy],
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['callOnCheck', meta.callOnCheck],
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['callOnInit', meta.callOnInit],
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['callOnChange', meta.callOnChange],
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['callOnAllChangesDone', meta.callOnAllChangesDone],
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['events', meta.events],
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['changeDetection', meta.changeDetection],
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['version', 1],
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]);
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}
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/**
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* Converts a map representation of [DirectiveMetadata] into a
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* [DirectiveMetadata] object. This creates a copy, that is, subsequent changes
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* to `map` will not be mirrored in the [DirectiveMetadata] object.
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*/
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export function directiveMetadataFromMap(map: Map<string, any>): DirectiveMetadata {
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return new DirectiveMetadata({
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id:<string>map.get('id'),
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selector:<string>map.get('selector'),
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compileChildren:<boolean>map.get('compileChildren'),
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hostProperties:<Map<string, string>>_cloneIfPresent(map.get('hostProperties')),
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hostListeners:<Map<string, string>>_cloneIfPresent(map.get('hostListeners')),
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hostActions:<Map<string, string>>_cloneIfPresent(map.get('hostActions')),
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hostAttributes:<Map<string, string>>_cloneIfPresent(map.get('hostAttributes')),
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properties:<List<string>>_cloneIfPresent(map.get('properties')),
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readAttributes:<List<string>>_cloneIfPresent(map.get('readAttributes')),
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type:<number>map.get('type'),
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exportAs:<string>map.get('exportAs'),
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callOnDestroy:<boolean>map.get('callOnDestroy'),
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callOnCheck:<boolean>map.get('callOnCheck'),
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callOnChange:<boolean>map.get('callOnChange'),
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callOnInit:<boolean>map.get('callOnInit'),
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callOnAllChangesDone:<boolean>map.get('callOnAllChangesDone'),
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events:<List<string>>_cloneIfPresent(map.get('events')),
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changeDetection:<string>map.get('changeDetection'),
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});
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}
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/**
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* Clones the [List] or [Map] `o` if it is present.
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*/
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function _cloneIfPresent(o): any {
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if (!isPresent(o)) return null;
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return isArray(o) ? ListWrapper.clone(o) : MapWrapper.clone(o);
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}
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