var delayed = function(req, res) {
debug(req.path, 'waiting', script.delay);
setTimeout(function() {
debug(req.path, 'done waiting', script.delay);
handler(req, res);
}, u.ms(script.delay));
}
// only serve files in self.file$
function serve(req, res, next) {
if (req.method !== 'GET' && req.method !== 'HEAD') return next();
// surprisingly (bug?) express does not auto-decode req.path
var reqPath = decodeURI(req.path);
var file$ = self.file$;
// try straight match
var spo = file$[reqPath];
if (!spo && !/\/$|\.[^\/]+$/.test(reqPath)) {
// try adding trailing / and redirect if found
if (self.trailingSlash) {
var redir = reqPath + '/';
spo = file$[redir];
if (spo) {
debug('static redirect %s %s', reqPath, redir);
return res.redirect(302, redir); // use 302 to avoid browser redir caching
}
}
// try extensions
if (!spo && self.extensions) {
for (var i=0; i<self.extensions.length; i++) {
if (spo = file$[reqPath + self.extensions[i]]) break;
}
}
}
if (!spo) return next(); // give up
if (self.noHtmlExtensions && !path.extname(spo.file)) {
res.setHeader('Content-Type', 'text/html; charset=utf-8');
}
debug('static %s%s', reqPath, (reqPath !== spo.file ? ' -> ' + spo.file : ''));
var doit = function() { send(req, spo.file, spo.sp.sendOpts).pipe(res); }
if (spo.sp.delay) return u.delay(doit, u.ms(spo.sp.delay));
doit();
}