2 var preferredCharsets = require('./lib/charset');
3 var preferredEncodings = require('./lib/encoding');
4 var preferredLanguages = require('./lib/language');
5 var preferredMediaTypes = require('./lib/mediaType');
7 module.exports = Negotiator;
8 Negotiator.Negotiator = Negotiator;
10 function Negotiator(request) {
11 if (!(this instanceof Negotiator)) {
12 return new Negotiator(request);
15 this.request = request;
18 Negotiator.prototype.charset = function charset(available) {
19 var set = this.charsets(available);
23 Negotiator.prototype.charsets = function charsets(available) {
24 return preferredCharsets(this.request.headers['accept-charset'], available);
27 Negotiator.prototype.encoding = function encoding(available) {
28 var set = this.encodings(available);
32 Negotiator.prototype.encodings = function encodings(available) {
33 return preferredEncodings(this.request.headers['accept-encoding'], available);
36 Negotiator.prototype.language = function language(available) {
37 var set = this.languages(available);
41 Negotiator.prototype.languages = function languages(available) {
42 return preferredLanguages(this.request.headers['accept-language'], available);
45 Negotiator.prototype.mediaType = function mediaType(available) {
46 var set = this.mediaTypes(available);
50 Negotiator.prototype.mediaTypes = function mediaTypes(available) {
51 return preferredMediaTypes(this.request.headers.accept, available);
54 // Backwards compatibility
55 Negotiator.prototype.preferredCharset = Negotiator.prototype.charset;
56 Negotiator.prototype.preferredCharsets = Negotiator.prototype.charsets;
57 Negotiator.prototype.preferredEncoding = Negotiator.prototype.encoding;
58 Negotiator.prototype.preferredEncodings = Negotiator.prototype.encodings;
59 Negotiator.prototype.preferredLanguage = Negotiator.prototype.language;
60 Negotiator.prototype.preferredLanguages = Negotiator.prototype.languages;
61 Negotiator.prototype.preferredMediaType = Negotiator.prototype.mediaType;
62 Negotiator.prototype.preferredMediaTypes = Negotiator.prototype.mediaTypes;