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on this file since 6a3a178 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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[6a3a178] | 1 | /*!
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| 2 | * express
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| 3 | * Copyright(c) 2009-2013 TJ Holowaychuk
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| 4 | * Copyright(c) 2013 Roman Shtylman
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| 5 | * Copyright(c) 2014-2015 Douglas Christopher Wilson
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| 6 | * MIT Licensed
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| 7 | */
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| 8 |
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| 9 | 'use strict';
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| 10 |
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| 11 | /**
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| 12 | * Module dependencies.
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| 13 | * @private
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| 14 | */
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| 15 |
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| 16 | var setPrototypeOf = require('setprototypeof')
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| 17 |
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| 18 | /**
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| 19 | * Initialization middleware, exposing the
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| 20 | * request and response to each other, as well
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| 21 | * as defaulting the X-Powered-By header field.
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| 22 | *
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| 23 | * @param {Function} app
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| 24 | * @return {Function}
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| 25 | * @api private
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| 26 | */
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| 27 |
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| 28 | exports.init = function(app){
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| 29 | return function expressInit(req, res, next){
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| 30 | if (app.enabled('x-powered-by')) res.setHeader('X-Powered-By', 'Express');
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| 31 | req.res = res;
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| 32 | res.req = req;
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| 33 | req.next = next;
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| 34 |
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| 35 | setPrototypeOf(req, app.request)
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| 36 | setPrototypeOf(res, app.response)
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| 37 |
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| 38 | res.locals = res.locals || Object.create(null);
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| 39 |
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| 40 | next();
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| 41 | };
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| 42 | };
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| 43 |
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