pipe_resolver.js
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/**
* @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
*/
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
import { Pipe, resolveForwardRef } from '@angular/core';
import { ListWrapper } from './facade/collection';
import { stringify } from './facade/lang';
import { CompilerInjectable } from './injectable';
import { ReflectorReader, reflector } from './private_import_core';
/**
* @param {?} type
* @return {?}
*/
function _isPipeMetadata(type) {
return type instanceof Pipe;
}
/**
* Resolve a `Type` for {\@link Pipe}.
*
* This interface can be overridden by the application developer to create custom behavior.
*
* See {\@link Compiler}
*/
export var PipeResolver = (function () {
/**
* @param {?=} _reflector
*/
function PipeResolver(_reflector) {
if (_reflector === void 0) { _reflector = reflector; }
this._reflector = _reflector;
}
/**
* @param {?} type
* @return {?}
*/
PipeResolver.prototype.isPipe = function (type) {
var /** @type {?} */ typeMetadata = this._reflector.annotations(resolveForwardRef(type));
return typeMetadata && typeMetadata.some(_isPipeMetadata);
};
/**
* Return {\@link Pipe} for a given `Type`.
* @param {?} type
* @param {?=} throwIfNotFound
* @return {?}
*/
PipeResolver.prototype.resolve = function (type, throwIfNotFound) {
if (throwIfNotFound === void 0) { throwIfNotFound = true; }
var /** @type {?} */ metas = this._reflector.annotations(resolveForwardRef(type));
if (metas) {
var /** @type {?} */ annotation = ListWrapper.findLast(metas, _isPipeMetadata);
if (annotation) {
return annotation;
}
}
if (throwIfNotFound) {
throw new Error("No Pipe decorator found on " + stringify(type));
}
return null;
};
PipeResolver = __decorate([
CompilerInjectable(),
__metadata('design:paramtypes', [ReflectorReader])
], PipeResolver);
return PipeResolver;
}());
function PipeResolver_tsickle_Closure_declarations() {
/** @type {?} */
PipeResolver.prototype._reflector;
}
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