53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
'use strict';
|
|
|
|
module.exports = function (opts) {
|
|
var finalhandler = require('finalhandler');
|
|
var serveStatic = require('serve-static');
|
|
var serveIndex = require('serve-index');
|
|
var serve = serveStatic(opts.public);
|
|
var index = serveIndex(opts.public);
|
|
var content = opts.content;
|
|
|
|
return function (req, res) {
|
|
if (content && '/' === req.url) {
|
|
// res.setHeader('Content-Type', 'application/octet-stream');
|
|
res.end(content);
|
|
return;
|
|
}
|
|
var done = finalhandler(req, res);
|
|
var livereload = '';
|
|
var addLen = 0;
|
|
|
|
if (opts.livereload) {
|
|
livereload = '<script src="//'
|
|
+ (res.getHeader('Host') || opts.servername).split(':')[0]
|
|
+ ':35729/livereload.js?snipver=1"></script>';
|
|
addLen = livereload.length;
|
|
}
|
|
|
|
res.__write = res.write;
|
|
res.write = function (data, enc, cb) {
|
|
if (this.headersSent) {
|
|
this.__write(data, enc, cb);
|
|
return;
|
|
}
|
|
|
|
if (!/html/i.test(this.getHeader('Content-Type'))) {
|
|
this.__write(data, enc, cb);
|
|
return;
|
|
}
|
|
|
|
if (this.getHeader('Content-Length')) {
|
|
this.setHeader('Content-Length', this.getHeader('Content-Length') + addLen);
|
|
}
|
|
|
|
this.__write(livereload);
|
|
this.__write(data, enc, cb);
|
|
};
|
|
serve(req, res, function (err) {
|
|
if (err) { return done(err); }
|
|
index(req, res, done);
|
|
});
|
|
};
|
|
};
|