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slush

The streaming scaffolding system - Gulp as a replacement for Yeoman

Use Gulp instead of Yeoman

Slush is a tool to be able to use Gulp for project scaffolding.

Slush does not contain anything "out of the box", except the ability to locate installed slush generators and to run them with liftoff.

To be able to provide functionality like Yeoman, see: Yeoman like behavior below.

Install

Install slush globally with:

npm install -g slush

Usage

slush <generator>[:<tasks>] [<args>]

• <tasks>: a colon (":") separated list of a task or tasks to run. If not provided the default task in the slushfile is run
• <args>: any other given arguments (not prefixed with "--" or "-") can be accessed via the gulp.args property from within a slushfile

Example:

slush angular:component myNewComponent

Which will run task component in generator slush-angular and gulp.args will be set to ["myNewComponent"].

List available generators

If run without any arguments, slush will list all installed generators.

slush

List available tasks in generator

To list available tasks within a generator, use the generator name in conjunction with the --tasks parameter.

slush <generator> --tasks

Print version(s)

As usual you can use -v or --version to get the current slush version:

slush -v

It can also be used together with a generator name:

slush <generator> -v

You'll then get the version for slush, the gulp version installed in the generator and the version number of the given generator.

Find slush generators

• Slush Generators

Creating a generator

A Slush generator is an npm package following the naming convention slush-* and containing a slushfile.js.

Add slushgenerator as a keyword in your package.json.

As when building gulp plugins all slush generators need to have gulp installed as a local dependency.

All slush-* packages should be installed globally (for now) to be found by the slush executable.

Note remember to add gulp plugins (and gulp itself) as ordinary dependencies, instead of devDependencies, when building a slush generator.

Documentation

Things to remember

When using Slush globally:

• Install slush globally
• Install slush generators globally

When using Slush locally:

• Install slush locally
• Install slush generators locally
• Preferably add "slush": "slush" to the "scripts" section in your package.json and run slush like so: npm run slush (see @majgis comment for more info)

When creating slush generators:

• name them slush-<name>
• add slushgenerator as package keyword
• create a slushfile.js
• Install gulp and used gulp plugins for your generator as ordinary dependencies

Slush uses gulp

Slush is just the global excutable to trigger slush generators, under the hood it's still gulp that is run using each slushfile as config file.

Needing help writing slush generators? Check out Gulp's documentation!

The slushfile

A slushfile is basically a gulpfile, but meant to be used to scaffold project structures.

Why not name it "gulpfile" then?

Because a Slush generator may want to use gulp locally for linting, testing and other purposes, in which case it will need to have a gulpfile.

Sample slushfile

Given a slush generator project structure with a web app project template inside ./templates/app/, a slushfile could be designed like this:

var gulp = require('gulp'),
    install = require('gulp-install'),
    conflict = require('gulp-conflict'),
    template = require('gulp-template'),
    inquirer = require('inquirer');

gulp.task('default', function (done) {
  inquirer.prompt([
    {type: 'input', name: 'name', message: 'Give your app a name', default: gulp.args.join(' ')}, // Get app name from arguments by default
    {type: 'confirm', name: 'moveon', message: 'Continue?'}
  ],
  function (answers) {
    if (!answers.moveon) {
      return done();
    }
    gulp.src(__dirname + '/templates/app/**')  // Note use of __dirname to be relative to generator
      .pipe(template(answers))                 // Lodash template support
      .pipe(conflict('./'))                    // Confirms overwrites on file conflicts
      .pipe(gulp.dest('./'))                   // Without __dirname here = relative to cwd
      .pipe(install())                         // Run `bower install` and/or `npm install` if necessary
      .on('end', function () {
        done();                                // Finished!
      })
      .resume();
  });
});

Yeoman like behavior

Use these packages/plugins:

• inquirer - To prompt the user for input
• gulp-install - To install npm and bower packages after scaffolding
• gulp-conflict - To prompt before overwriting files on regeneration

Want to contribute?

Anyone can help make this project better!