add express app generator files

.gitignore

@@ -1,3 +1,5 @@
 source_data/*.json
 .idea
 node_modules
+output/*.html
+output/*.json

express_gen/.gitignore

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+source_data/*.json
+.idea
+node_modules

express_gen/Gulpfile.js

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+//gulpfile.js:
+var gulp = require('gulp');
+var nodemon = require('gulp-nodemon');
+var server = require('gulp-express');
+var lr = require('tiny-lr')();
+
+gulp.task('default', function () {
+  nodemon({
+    script: 'app.js'
+  })
+    .on('restart', function () {
+      console.log('restarted!')
+    });
+
+  lr.listen(35729);
+
+  gulp.watch('./**/*', function(event) {
+    var fileName = require('path').relative('3000', event.path);
+    lr.changed({
+      body: {
+        files: [fileName]
+      }
+    });
+  });
+});

express_gen/app.js

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+var createError = require('http-errors');
+var express = require('express');
+var path = require('path');
+var cookieParser = require('cookie-parser');
+var logger = require('morgan');
+
+var indexRouter = require('./routes/index');
+var usersRouter = require('./routes/users');
+
+var app = express();
+
+// view engine setup
+app.set('views', path.join(__dirname, 'views'));
+app.set('view engine', 'jade');
+console.log('synced with gulp livereload')
+app.use(require('connect-livereload')()); // added for gulp livereload
+app.use(logger('dev'));
+app.use(express.json());
+app.use(express.urlencoded({ extended: false }));
+app.use(cookieParser());
+app.use(express.static(path.join(__dirname, 'public')));
+
+app.use('/', indexRouter);
+app.use('/users', usersRouter);
+
+// catch 404 and forward to error handler
+app.use(function(req, res, next) {
+  next(createError(404));
+});
+
+// error handler
+app.use(function(err, req, res, next) {
+  // set locals, only providing error in development
+  res.locals.message = err.message;
+  res.locals.error = req.app.get('env') === 'development' ? err : {};
+
+  // render the error page
+  res.status(err.status || 500);
+  res.render('error');
+});
+const listenPort = 3000;
+console.log(`Server is live at http://localhost:${listenPort}`);
+
+module.exports = app;

express_gen/bin/www

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+#!/usr/bin/env node
+
+/**
+ * Module dependencies.
+ */
+
+var app = require('../app');
+var debug = require('debug')('express-gen:server');
+var http = require('http');
+
+/**
+ * Get port from environment and store in Express.
+ */
+
+var port = normalizePort(process.env.PORT || '3000');
+app.set('port', port);
+
+/**
+ * Create HTTP server.
+ */
+
+var server = http.createServer(app);
+
+/**
+ * Listen on provided port, on all network interfaces.
+ */
+
+server.listen(port);
+server.on('error', onError);
+server.on('listening', onListening);
+
+/**
+ * Normalize a port into a number, string, or false.
+ */
+
+function normalizePort(val) {
+  var port = parseInt(val, 10);
+
+  if (isNaN(port)) {
+    // named pipe
+    return val;
+  }
+
+  if (port >= 0) {
+    // port number
+    return port;
+  }
+
+  return false;
+}
+
+/**
+ * Event listener for HTTP server "error" event.
+ */
+
+function onError(error) {
+  if (error.syscall !== 'listen') {
+    throw error;
+  }
+
+  var bind = typeof port === 'string'
+    ? 'Pipe ' + port
+    : 'Port ' + port;
+
+  // handle specific listen errors with friendly messages
+  switch (error.code) {
+    case 'EACCES':
+      console.error(bind + ' requires elevated privileges');
+      process.exit(1);
+      break;
+    case 'EADDRINUSE':
+      console.error(bind + ' is already in use');
+      process.exit(1);
+      break;
+    default:
+      throw error;
+  }
+}
+
+/**
+ * Event listener for HTTP server "listening" event.
+ */
+
+function onListening() {
+  var addr = server.address();
+  var bind = typeof addr === 'string'
+    ? 'pipe ' + addr
+    : 'port ' + addr.port;
+  debug('Listening on ' + bind);
+}

express_gen/package.json

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+{
+  "name": "express-gen",
+  "version": "0.0.0",
+  "private": true,
+  "scripts": {
+    "start": "gulp"
+  },
+  "dependencies": {
+    "bulma": "^0.9.0",
+    "connect-livereload": "^0.6.1",
+    "cookie-parser": "~1.4.4",
+    "debug": "~2.6.9",
+    "express": "~4.16.1",
+    "gulp": "^4.0.2",
+    "gulp-express": "^0.3.5",
+    "gulp-nodemon": "^2.5.0",
+    "http-errors": "~1.6.3",
+    "jade": "~1.11.0",
+    "morgan": "~1.9.1",
+    "tiny-lr": "^1.1.1"
+  }
+}

express_gen/public/stylesheets/style.css

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+body {
+  padding: 50px;
+  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
+}
+
+a {
+  color: #00B7FF;
+}

express_gen/routes/index.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET home page. */
+router.get('/', function(req, res, next) {
+  res.render('index', { title: 'Express' });
+});
+router.get('/stats', function(req, res, next) {
+  res.render('stats', { title: 'Stats' });
+});
+
+module.exports = router;

express_gen/routes/users.js

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+var express = require('express');
+var router = express.Router();
+
+/* GET users listing. */
+router.get('/', function(req, res, next) {
+  res.send('respond with a resource');
+});
+
+module.exports = router;

express_gen/views/error.jade

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+extends layout
+
+block content
+  h1= message
+  h2= error.status
+  pre #{error.stack}

express_gen/views/index.jade

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+extends layout
+
+block content
+  h1= title
+  p Welcome to #{title}
+  .stuff
+    ="hey ho"

express_gen/views/layout.jade

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+doctype html
+html
+  head
+    title= title
+    link(rel='stylesheet', href='/stylesheets/style.css')
+  body
+    nav
+      ul
+        li
+          a(href='/stats')="stats"
+        li
+          a(href='/')="home"
+
+    block content

express_gen/views/stats.jade

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+extends layout
+
+block content
+  h1= title
+  p= #{title}