| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import * as o from '../output/output_ast';
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| 9 | import { R3DependencyMetadata } from './r3_factory';
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| 10 | import { R3CompiledExpression, R3Reference } from './util';
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| 11 | export interface R3PipeMetadata {
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| 12 | /**
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| 13 | * Name of the pipe type.
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| 14 | */
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| 15 | name: string;
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| 16 | /**
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| 17 | * An expression representing a reference to the pipe itself.
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| 18 | */
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| 19 | type: R3Reference;
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| 20 | /**
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| 21 | * An expression representing the pipe being compiled, intended for use within a class definition
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| 22 | * itself.
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| 23 | *
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| 24 | * This can differ from the outer `type` if the class is being compiled by ngcc and is inside an
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| 25 | * IIFE structure that uses a different name internally.
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| 26 | */
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| 27 | internalType: o.Expression;
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| 28 | /**
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| 29 | * Number of generic type parameters of the type itself.
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| 30 | */
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| 31 | typeArgumentCount: number;
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| 32 | /**
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| 33 | * Name of the pipe.
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| 34 | */
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| 35 | pipeName: string;
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| 36 | /**
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| 37 | * Dependencies of the pipe's constructor.
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| 38 | */
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| 39 | deps: R3DependencyMetadata[] | null;
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| 40 | /**
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| 41 | * Whether the pipe is marked as pure.
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| 42 | */
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| 43 | pure: boolean;
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| 44 | }
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| 45 | export declare function compilePipeFromMetadata(metadata: R3PipeMetadata): R3CompiledExpression;
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| 46 | export declare function createPipeType(metadata: R3PipeMetadata): o.Type;
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