return function (request, response) {
var header = requestHeader;
if (typeof header === "function") {
header = requestHeader(request);
}
var accept = request.headers[requestHeader] || "*";
var type = MIME_PARSE.bestMatch(keys, accept);
request.terms = request.terms || {};
request.terms[responseHeader] = type;
if (Object.has(keys, type)) {
return Q.when(types[type](request, response), function (response) {
if (
respond !== null &&
response &&
response.status === 200 &&
response.headers
) {
response.headers[responseHeader] = type;
}
return response;
});
} else {
return notAcceptable(request, response);
}
};
return function (request) {
var accept = request.headers[requestHeader] || "*";
var type = MimeParse.bestMatch(keys, accept);
request.terms = request.terms || {};
request.terms[responseHeader] = type;
if (Object.has(keys, type)) {
return Q(types[type]).call(void 0, request)
.then(function (response) {
if (
respond !== null &&
response &&
response.status === 200 &&
response.headers
) {
response.headers[responseHeader] = type;
}
return response;
});
} else {
return notAcceptable(request);
}
};
function negotiate(request, types, header) {
var keys = Object.keys(types);
var accept = request.headers[header || "accept"] || "*";
var best = MimeParse.bestMatch(keys, accept);
return types[best];
}
server.pre(function _mimeFix (req, res, next) {
req.headers.accept = mimeparse.bestMatch(['text/plain','text/html','application/json'], req.headers.accept);
return next();
});