| 1 | /**
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| 2 | * @license
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| 3 | * Copyright (c) 2016 The Polymer Project Authors. All rights reserved.
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| 4 | * This code may only be used under the BSD style license found at
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| 5 | * http://polymer.github.io/LICENSE.txt
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| 6 | * The complete set of authors may be found at
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| 7 | * http://polymer.github.io/AUTHORS.txt
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| 8 | * The complete set of contributors may be found at
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| 9 | * http://polymer.github.io/CONTRIBUTORS.txt
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| 10 | * Code distributed by Google as part of the polymer project is also
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| 11 | * subject to an additional IP rights grant found at
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| 12 | * http://polymer.github.io/PATENTS.txt
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| 13 | */
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| 14 | import { Request, RequestHandler, Response } from 'express';
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| 15 | export declare function transformResponse(transformer: ResponseTransformer): RequestHandler;
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| 16 | export interface ResponseTransformer {
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| 17 | /**
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| 18 | * Returns `true` if this transformer should be invoked.
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| 19 | * Transformers should only look at headers, do not call res.write().
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| 20 | */
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| 21 | shouldTransform(request: Request, response: Response): boolean;
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| 22 | transform(request: Request, response: Response, body: string): string;
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| 23 | }
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