我的gulpfile无法正常运行。当我运行默认任务gulp时，我的浏览器已启动但挂在左下角的waiting for localhost...处。如果我刷新，那么服务器按预期工作。我还想编辑我的代码并在浏览器中显示更新。这个功能有效，但在开发一段时间后，吞咽量增加到约300mb。
'use strict';
process.env.DEBUG = process.env.DEBUG || 'r3dm:*';
var gulp = require('gulp'),
// ## Style
concat = require('gulp-concat'),
stylus = require('gulp-stylus'),
swiss = require('kouto-swiss'),
mincss = require('gulp-minify-css'),
// ## Bundle
browserify = require('browserify'),
watchify = require('watchify'),
envify = require('envify/custom')({ NODE_ENV: 'development' }),
uglifyify = require('uglifyify'),
bundleName = require('vinyl-source-stream'),
//brfs = require('brfs'),
// ## utils
plumber = require('gulp-plumber'),
util = require('gulp-util'),
noopPipe = util.noop,
//logPipe = util.log,
watch = require('gulp-watch'),
yargs = require('yargs').argv,
debug = require('debug')('r3dm:gulp'),
// ## min
imagemin = require('gulp-imagemin'),
//pngcrush = require('imagemin-pngcrush'),
// ## Serve/Proxy/Reload
nodemon = require('gulp-nodemon'),
sync = require('browser-sync'),
reload = sync.reload,
// ## React
react = require('gulp-react'),
// ## production?
production = yargs.p;
var paths = {
main: './client.js',
jsx: './components/**/**.jsx',
stylusMain: './components/app.styl',
stylusAll: './components/**/*.styl',
css: './public/css/',
server: './server.js',
serverIgnore: [
'gulpfile.js',
'public/',
'components/**/*.styl',
'bower_components/',
'node_modules/'
],
publicJs: './public/js'
};
var watching = false;
var reloadDelay = 6500;
if (production) {
// ## Set with `-p`
console.log('\n', 'Production mode set', '\n');
}
gulp.task('stylus', function() {
return gulp.src(paths.stylusMain)
.pipe(plumber())
.pipe(stylus({
use: [
swiss()
],
'include css': true
}))
.pipe(concat('main.css'))
.pipe(production ? mincss() : noopPipe())
.pipe(gulp.dest(paths.css));
});
gulp.task('jsx', function() {
return gulp.src('./components/**/*.jsx')
.pipe(react())
.pipe(gulp.dest('./components'));
});
gulp.task('jsx-watch', function() {
return gulp.src(paths.jsx)
.pipe(watch(paths.jsx))
.pipe(react({
harmony: true
}))
.pipe(gulp.dest('./components'));
});
gulp.task('bundle', function(cb) {
browserifyCommon(cb);
});
gulp.task('sync', ['bundle', 'stylus', 'server'], function() {
sync.init(null, {
proxy: 'http://localhost:9000',
logLeval: 'debug',
files: [
'public/**/*.*',
'!public/js/bundle.js'
],
port: 9002,
open: true,
reloadDelay: reloadDelay
});
});
gulp.task('server', function(cb) {
var called = false;
nodemon({
script: paths.server,
ext: '.js',
ignore: paths.serverIgnore,
env: {
'NODE_ENV': 'development',
'DEBUG': 'r3dm:*'
}
})
.on('start', function() {
if (!called) {
called = true;
setTimeout(function() {
cb();
}, reloadDelay);
}
})
.on('restart', function(files) {
if (files) {
debug('Files that changed: ', files);
}
setTimeout(function() {
debug('Restarting browsers');
reload();
}, reloadDelay);
});
});
gulp.task('watch', function() {
gulp.watch(paths.stylusAll, ['stylus']);
});
gulp.task('setWatch', function() {
watching = true;
});
gulp.task('image', function() {
gulp.src('images/**/*')
.pipe(imagemin({
progressive: true,
optimizationLevel: 2
}))
.pipe(gulp.dest('public/images'));
});
gulp.task('default', [
'setWatch',
'jsx-watch',
'bundle',
'stylus',
'server',
'sync',
'watch'
]);
function browserifyCommon(cb) {
cb = cb || noop;
var config;
if (watching) {
config = {
basedir: __dirname,
debug: true,
cache: {},
packageCache: {}
};
} else {
config = {
basedir: __dirname
};
}
var b = browserify(config);
b.transform(envify);
//b.transform(brfs);
if (!production) {
debug('Watching');
b = watchify(b);
b.on('update', function() {
bundleItUp(b);
});
}
if (production) {
debug('Uglifying bundle');
b.transform({ global: true }, uglifyify);
}
b.add(paths.main);
bundleItUp(b);
cb();
}
function bundleItUp(b) {
debug('Bundling');
return b.bundle()
.pipe(plumber())
.pipe(bundleName('bundle.js'))
.pipe(gulp.dest(paths.publicJs));
}
function noop() { }
update ：它可能不是我的gulpfile。我耐心地等待它最终加载我的应用程序的根页面。这是我的server.js文件
'use strict';
require('dotenv').load();
require('newrelic');
var express = require('express'),
app = express(),
keystone = require('keystone'),
mongoose = require('mongoose'),
// ## Util
debug = require('debug')('r3dm:server'),
utils = require('./utils/utils'),
// ## React
React = require('react'),
Router = require('./components/Router'),
state = require('express-state'),
// ## Flux
Fetcher = require('fetchr'),
mandrillServ = require('./services/mandrill'),
blogServ = require('./services/blog'),
ContextStore = require('./components/common/Context.store'),
RouterStateAction = require('./components/common/RouterState.action'),
// ## Express/Serve
morgan = require('morgan'),
serve = require('serve-static'),
favicon = require('serve-favicon'),
body = require('body-parser'),
multer = require('multer'),
compress = require('compression'),
cookieParser = require('cookie-parser'),
session = require('express-session'),
flash = require('connect-flash'),
helmet = require('helmet');
// ## State becomes a variable available to all rendered views
state.extend(app);
app.set('state namespace', 'R3DM');
app.set('port', process.env.PORT || 9000);
app.set('view engine', 'jade');
app.use(helmet());
app.use(morgan('dev'));
app.use(favicon(__dirname + '/public/images/favicon.ico'));
app.use(cookieParser('12345'));
app.use(body.urlencoded({ extended: false }));
app.use(body.json());
app.use(multer());
app.use(compress());
app.use(flash());
app.use(session({
secret: 'keyboard cat',
resave: false,
saveUninitialized: true
}));
// ## Fetcher middleware
Fetcher.registerFetcher(mandrillServ);
Fetcher.registerFetcher(blogServ);
app.use('/api', Fetcher.middleware());
keystone.app = app;
keystone.mongoose = mongoose;
keystone.init({
'cookie secret': '12345',
'auth': true,
'user model': 'User',
'mongo': process.env.MONGO_URI,
'session': true
});
keystone.import('models');
keystone.static(app);
keystone.routes(app);
keystone.mongoose.connect(keystone.get('mongo'));
app.use(serve('./public'));
app.get('/500', function(req, res) {
res.render('500');
});
app.get('/emails/:name', function(req, res) {
var locals = {},
name = req.params.name,
nameArr;
nameArr = name
.split(' ')
.map(function(_name) {
_name = _name.replace(/[^A-Za-z_'-]/gi, '');
_name = utils.capitalize(_name);
return _name;
});
locals.name = nameArr[0];
res.render('email/greet', locals);
});
app.get('/*', function(req, res, next) {
debug('req', req.path);
debug('decode req', decodeURI(req.path));
Router(decodeURI(req.path))
.run(function(Handler, state) {
Handler = React.createFactory(Handler);
debug('Route found, %s ', state.path);
var ctx = {
req: req,
res: res,
next: next,
Handler: Handler,
state: state
};
debug('Sending route action');
RouterStateAction(ctx);
});
});
// Use a hot observable stream for requests
var hotObservable = ContextStore.publish();
// Run on next sequence
hotObservable.subscribe(function(ctx) {
if (!ctx.Handler) { return debug('no handler'); }
debug('rendering react to string', ctx.state.path);
var html = React.renderToString(ctx.Handler());
debug('rendering jade');
ctx.res.render('layout', { html: html }, function(err, markup) {
if (err) { return ctx.next(err); }
debug('Sending %s', ctx.state.path);
return ctx.res.send(markup);
});
});
// Start listening listening to observable sequence;
hotObservable.connect();
app.use(function(req, res) {
res.status(404);
res.render(404);
});
app.use(function(err, req, res, next) { //jshint ignore:line
debug('Err: ', err);
res
.status(500)
.send('Something went wrong');
});
// keystone.start();
app.listen(app.get('port'), function() {
debug('The R3DM is go at: ' + app.get('port'));
debug(new Date());
});
行debug('req', req.path);最终在~120秒后达到。但是如果我在第一次打开标签时刷新它会立即加载。
update 2 ：我能够通过将dealy增加到6500ms来修复初始加载问题。现在我需要找到导致内存泄漏的原因。