65 lines
1.6 KiB
JavaScript
65 lines
1.6 KiB
JavaScript
'use strict';
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module.exports = function (opts) {
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var finalhandler = require('finalhandler');
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var serveStatic = require('serve-static');
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var serveIndex = require('serve-index');
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var serve = serveStatic(opts.public);
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var index = serveIndex(opts.public);
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var content = opts.content;
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function _reloadWrite(data, enc, cb) {
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/*jshint validthis: true */
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if (this.headersSent) {
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this.__write(data, enc, cb);
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return;
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}
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if (!/html/i.test(this.getHeader('Content-Type'))) {
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this.__write(data, enc, cb);
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return;
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}
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if (this.getHeader('Content-Length')) {
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this.setHeader('Content-Length', this.getHeader('Content-Length') + this.__my_addLen);
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}
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this.__write(this.__my_livereload);
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this.__write(data, enc, cb);
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}
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return function (req, res) {
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if (content && '/' === req.url) {
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// res.setHeader('Content-Type', 'application/octet-stream');
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res.end(content);
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return;
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}
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var done = finalhandler(req, res);
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if (opts.livereload) {
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res.__my_livereload = '<script src="//'
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+ (res.getHeader('Host') || opts.servername).split(':')[0]
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+ ':35729/livereload.js?snipver=1"></script>';
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res.__my_addLen = res.__my_livereload.length;
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// TODO modify prototype instead of each instance?
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res.__write = res.write;
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res.write = _reloadWrite;
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}
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function serveStatic() {
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serve(req, res, function (err) {
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if (err) { return done(err); }
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index(req, res, done);
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});
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}
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if (opts.expressApp) {
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opts.expressApp(req, res, serveStatic);
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}
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else {
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serveStatic();
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}
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};
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};
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