// Copyright 2012 Mark Cavage, Inc. All rights reserved.
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'use strict';
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/**
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* Formats the body to 'text' by invoking a toString() on the body if it
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* exists. If it doesn't, then the response is a zero-length string.
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*
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* @public
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* @function formatText
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* @param {Object} req - the request object (not used)
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* @param {Object} res - the response object
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* @param {Object} body - response body. If it has a toString() method this
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* will be used to make the string representation
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* @returns {String} data
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*/
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function formatText(req, res, body) {
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// if body is null, default to empty string
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var data = '';
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data = body.toString();
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// TODO: setting the content-length header is not a formatting
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// feature and should be separated into another module
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res.setHeader('Content-Length', Buffer.byteLength(data));
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return data;
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}
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module.exports = formatText;
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