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/**
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this functionality is required by CORS as the browser will send an
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HTTP OPTIONS request before performing the CORS request.
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if the OPTIONS request returns a non-200 status code then the
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transaction will fail.
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**/
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function middleware(req, res, next){
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if( req.method === 'OPTIONS' ){
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res.sendStatus(200);
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} else {
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next();
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}
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}
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module.exports = middleware;
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