| 1 | import { InjectionToken, FactoryProvider } from 'injection-js';
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| 2 | import { Transform } from './transform';
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| 3 | /**
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| 4 | * A specialized `FactoryProvider` for a `Transform`.
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| 5 | */
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| 6 | export interface TransformProvider extends FactoryProvider {
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| 7 | /**
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| 8 | * An injection token for the `Transform` provided by this provider.
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| 9 | */
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| 10 | provide: InjectionToken<Transform>;
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| 11 | /**
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| 12 | * A function to invoke to create the `Transform`.
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| 13 | *
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| 14 | * The factory function is invoked with resolved values of tokens in the `deps` field.
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| 15 | */
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| 16 | useFactory: (...args: any[]) => Transform;
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| 17 | }
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| 18 | /**
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| 19 | * Creates a provider for a `Transform`.
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| 20 | *
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| 21 | * #### Example
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| 22 | *
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| 23 | * Creating a transformation `fooBar` that is composed of `foo` and `bar` transforms:
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| 24 | *
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| 25 | * ```ts
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| 26 | * const FOO_BAR_TOKEN = new InjectionToken<Transform>('fooBar');
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| 27 | *
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| 28 | * const FOO_BAR_TRANSFORM = provideTransform({
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| 29 | * provide: FOO_BAR_TOKEN,
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| 30 | * useFactory: (foo, bar) => {
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| 31 | * return pipe(foo, bar);
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| 32 | * },
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| 33 | * deps: [ FOO_TOKEN, BAR_TOKEN ]
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| 34 | * });
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| 35 | * ```
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| 36 | *
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| 37 | * @param module The provider for the transform
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| 38 | * @return A (normalized) provider for the transform
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| 39 | */
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| 40 | export declare function provideTransform(module: TransformProvider): TransformProvider;
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