[6a3a178] | 1 | import * as o from '../output/output_ast';
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| 2 | import { R3CompiledExpression, R3Reference } from './util';
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| 3 | /**
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| 4 | * Metadata required by the factory generator to generate a `factory` function for a type.
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| 5 | */
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| 6 | export interface R3ConstructorFactoryMetadata {
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| 7 | /**
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| 8 | * String name of the type being generated (used to name the factory function).
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| 9 | */
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| 10 | name: string;
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| 11 | /**
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| 12 | * An expression representing the interface type being constructed.
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| 13 | */
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| 14 | type: R3Reference;
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| 15 | /**
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| 16 | * An expression representing the constructor type, intended for use within a class definition
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| 17 | * itself.
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| 18 | *
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| 19 | * This can differ from the outer `type` if the class is being compiled by ngcc and is inside
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| 20 | * an IIFE structure that uses a different name internally.
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| 21 | */
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| 22 | internalType: o.Expression;
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| 23 | /** Number of arguments for the `type`. */
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| 24 | typeArgumentCount: number;
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| 25 | /**
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| 26 | * Regardless of whether `fnOrClass` is a constructor function or a user-defined factory, it
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| 27 | * may have 0 or more parameters, which will be injected according to the `R3DependencyMetadata`
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| 28 | * for those parameters. If this is `null`, then the type's constructor is nonexistent and will
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| 29 | * be inherited from `fnOrClass` which is interpreted as the current type. If this is `'invalid'`,
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| 30 | * then one or more of the parameters wasn't resolvable and any attempt to use these deps will
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| 31 | * result in a runtime error.
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| 32 | */
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| 33 | deps: R3DependencyMetadata[] | 'invalid' | null;
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| 34 | /**
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| 35 | * Type of the target being created by the factory.
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| 36 | */
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| 37 | target: FactoryTarget;
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| 38 | }
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| 39 | export declare enum R3FactoryDelegateType {
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| 40 | Class = 0,
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| 41 | Function = 1
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| 42 | }
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| 43 | export interface R3DelegatedFnOrClassMetadata extends R3ConstructorFactoryMetadata {
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| 44 | delegate: o.Expression;
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| 45 | delegateType: R3FactoryDelegateType;
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| 46 | delegateDeps: R3DependencyMetadata[];
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| 47 | }
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| 48 | export interface R3ExpressionFactoryMetadata extends R3ConstructorFactoryMetadata {
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| 49 | expression: o.Expression;
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| 50 | }
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| 51 | export declare type R3FactoryMetadata = R3ConstructorFactoryMetadata | R3DelegatedFnOrClassMetadata | R3ExpressionFactoryMetadata;
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| 52 | export declare enum FactoryTarget {
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| 53 | Directive = 0,
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| 54 | Component = 1,
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| 55 | Injectable = 2,
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| 56 | Pipe = 3,
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| 57 | NgModule = 4
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| 58 | }
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| 59 | export interface R3DependencyMetadata {
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| 60 | /**
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| 61 | * An expression representing the token or value to be injected.
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| 62 | * Or `null` if the dependency could not be resolved - making it invalid.
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| 63 | */
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| 64 | token: o.Expression | null;
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| 65 | /**
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| 66 | * If an @Attribute decorator is present, this is the literal type of the attribute name, or
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| 67 | * the unknown type if no literal type is available (e.g. the attribute name is an expression).
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| 68 | * Otherwise it is null;
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| 69 | */
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| 70 | attributeNameType: o.Expression | null;
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| 71 | /**
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| 72 | * Whether the dependency has an @Host qualifier.
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| 73 | */
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| 74 | host: boolean;
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| 75 | /**
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| 76 | * Whether the dependency has an @Optional qualifier.
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| 77 | */
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| 78 | optional: boolean;
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| 79 | /**
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| 80 | * Whether the dependency has an @Self qualifier.
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| 81 | */
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| 82 | self: boolean;
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| 83 | /**
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| 84 | * Whether the dependency has an @SkipSelf qualifier.
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| 85 | */
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| 86 | skipSelf: boolean;
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| 87 | }
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| 88 | /**
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| 89 | * Construct a factory function expression for the given `R3FactoryMetadata`.
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| 90 | */
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| 91 | export declare function compileFactoryFunction(meta: R3FactoryMetadata): R3CompiledExpression;
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| 92 | export declare function createFactoryType(meta: R3FactoryMetadata): o.ExpressionType;
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| 93 | export declare function isDelegatedFactoryMetadata(meta: R3FactoryMetadata): meta is R3DelegatedFnOrClassMetadata;
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| 94 | export declare function isExpressionFactoryMetadata(meta: R3FactoryMetadata): meta is R3ExpressionFactoryMetadata;
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