How to use 'express urlencoded' in JavaScript

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36return function urlencoded(req, res, next) {
37 if (req._body) return next();
38 req.body = req.body || {};
39
40 // check Content-Type
41 if ('application/x-www-form-urlencoded' != utils.mime(req)) return next();
42
43 // flag as parsed
44 req._body = true;
45
46 // parse
47 limit(req, res, function(err){
48 if (err) return next(err);
49 var buf = '';
50 req.setEncoding('utf8');
51 req.on('data', function(chunk){ buf += chunk });
52 req.on('end', function(){
53 try {
54 req.body = buf.length
55 ? qs.parse(buf, options)
56 : {};
57 next();
58 } catch (err){
59 err.body = buf;
60 next(err);
61 }
62 });
63 });
64}
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5export function bodyUrlEncoded() {
6 return urlencoded({ extended: true });
7}

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