xpress-shotgun

xpress-shotgun is a npm module that shotguns an express MVC to your specified directory

• a directory will be made along with the model, with methods and sql commands already embedded the controller & the views

• you will have a full crud express app, all you have to do is create a database, a node server, & fll out views to your liking

• shotgun also takes care of the npm init & installs ejs(viewengine) and pg-promise(more info below)

before use INSTALL bash

Bash version can be queried with the --version flag:

bash --version

output -> 3.2.53(1)-release

The actual installation is going to happen with HomeBrew, the OS X package manager, if you don’t have it, installed it with the following command:

1) ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

Update homebrew packet database and install bash:

2) brew update && brew install bash

Add the new shell to the list of allowed shells

3) sudo bash -c 'echo /usr/local/bin/bash >> /etc/shells'

Change to the new shell

chsh -s /usr/local/bin/bash 

Now close terminal and open again

installation

install shotgun GLOBALLY:

npm install -g xpress-shotgun 

once installed run:

shotgun nameofapp dbname modelname(capital) controllername(plural) singularRESPONSE

dependecies

"ejs": "^2.5.7",
"express": "^4.16.2",
"pg-promise": "^7.0.3"

PG promise

PG-PROMISE grants you accesss to DB query methods

• Automatic connections
• Automatic transactions
• Powerful query-formatting engine
• Support for ES6 generators and ES7 async/await
• Declarative approach to handling query results
• Global events reporting for central handling
• Extensive support for external SQL files
• Support for all promise libraries

examples

• Simple SELECT

ES5

db.any('SELECT * FROM users WHERE active = $1', [true])
    .then(function(data) {
        // success;
    })
    .catch(function(error) {
        // error;
    });

ES6

try {
    const users = yield db.any('SELECT * FROM users WHERE active = $1', [true]);
    // success
} 
catch(e) {
   // error
}

ES7

try {
    const users = await db.any('SELECT * FROM users WHERE active = $1', [true]);
    // success
} 
catch(e) {
    // error
}

ejs

Features

• Control flow with <% %>
• Escaped output with <%= %> (escape function configurable)
• Unescaped raw output with <%- %>
• Newline-trim mode ('newline slurping') with -%> ending tag
• Whitespace-trim mode (slurp all whitespace) for control flow with <%_ _%>
• Custom delimiters (e.g., use instead of <% %>)
• Includes
• Client-side support
• Static caching of intermediate JavaScript
• Static caching of templates
• Complies with the Express view system

Examples

<% if (user) { %>
  <h2><%= user.name %></h2>
<% } %>
Try EJS online at: https://ionicabizau.github.io/ejs-playground/.

Usage

var template = ejs.compile(str, options);
template(data);
// => Rendered HTML string 
 
ejs.render(str, data, options);
// => Rendered HTML string 
 
ejs.renderFile(filename, data, options, function(err, str){
    // str => Rendered HTML string 
});