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generator-optcli

v0.1.1

Published

Yeoman generator

Downloads

6

Readme

#Optcli

Note: This is an alternative implementation of the Funnel Envy's optcli tool. Rather than being a stand-alone tool, this generator makes use of readily available open source tools.

Optcli is a set of tools used by developers to create and manipulate Optimizely experiments on their local machines in addition to using the Optimizely web interface.

By developing locally, you are free to use whichever tools you want -- text editors, IDEs, and even precompilers.

In addition to developing locally, optcli adds a number of optional features that make test development easier and more efficient.

##Recent ChangeLog ###0.1.1

  • Updated readme.md
  • gulp push --experiment and gulp push --all now default to experiment directory

###0.1.0

  • Remove ES6 support (considering Typescript instead)
  • Modify folder structure
  • Overhaul templating system
    • template function replaces templates object in ejs context
    • template function produces an array of strings instead of a flat string
    • templates function can take a locals variable for rendering
  • "Import" js from in includes folder
  • Removed strings.json functionality. (Add data to package.json instead)
  • Incorporated '*-advanced' functionality into 'regular' generators

##Introduction

Optcli, much like the Yeoman project that inspired it, optcli is built on a set of open source tools.

  • yo -- yo is a scaffolding tool used to create projects, experiments, and variations on your local machine.

    • generator-optcli -- yo uses the optcli generator to create a directory of local files and folders that can be hosted locally and/or pushed to Optimizely. It also creates a task runner file used in conjunction with gulp that's responsible for hosting variations locally and pushing content to Optimizely.
  • gulp -- gulp is a tasks runner that's used to preform tasks associated with your experiment. It is used to host files locally, and push files to Optimizely. It is also used to facilitate the optional features mentioned above. Support is planned for other task runners including grunt and brocoli.

##Installation

###Prerequesites

To install optcli, first you must download and run the node installer from https://nodejs.org/. Node is a runtime that the optcli application requires.

Second, you'll need npm, a package manager that makes it easy to install runtime components. It's installed alongside node by default, so you can likely ignore this step.

(Note : Some users that have installed node via methods other than the one above have had issues using yo. For best results, please install/update you node installation only via downloading the installer from nodejs.org )

###Components

Once the prerequisites have been installed, on your command line, enter the following command in your terminal to install all necessary components:

npm install -g yo generator-optcli gulp

You now have all the necessary components installed to start working.

Usage

yo optcli:<generator>

###Generator -- Project

Create an optcli Project from within any directory. Yo can crate a project in any directory on your system.

yo optcli:project

###Generator -- Experiment

Create an optcli Experiment within a project directory. Ensure that you are within an project directory before using.

yo optcli:experiment

###Generator -- Variation

Create an optcli Variation within an experiment directory Ensure that you are within an experiment directory before using

yo optcli:variation

####Taskrunner The experiment generator allows you to optionally create a taskrunner file. Currently, this is a gulp file, but there are plans to support other taskrunners in the future.

The generated gulpfile's default tag facilitates the following features:

  • Stylesheet Pre-procesing
  • Javascript File Concatination
  • templating

Edit the files within the experiment directory and run the command

gulp

or

gulp default

to transpile them into global.js, global.css, and variation.js files for hosting and pushing to optiizly.

#####Stylesheet Pre-processing You can choose to use less or scss instead of plain css. In addition, files are auto-prefixed to help ensure compatibility.

#####Javascript File Concatination Files in the folder _/includes folder will be incorporated into the mail global.js file.

_/includes/jaycurie.js

  window.$ = function(){
    alert('this is not jQuery');
    return undefined;
  }

_/global.js

  var crucialDOMObject = $('.pleaseBeThere');

_/global.js

  window.$ = function(){
    alert('this is not jquery');
    return undefined;
  }
  var crucialDOMObject = $('.pleaseBeThere');

#####Templating Each file script and style is processed as an EJS file. The ejs context contains:

  • template - this function takes the name of a file from ./_/assets/templates and returns an array of strings representing its lines.
    • It takes a second, optional parameter to be passed as a separate ejs context
  • hx - this function takes a string and hashes it against a salt unique to this gulpfile.
    • As additional, optional parameters it may take:
      • first a desired hash length,
      • second a desired hashing algorithm (defaults to sha1),
      • and third a desired digest format (defaults to 'hex').
    • It can be useful for creating classes that avoid collisions with other experiments. (See below).
  • package - this object contains the contents of the experiment's package.json. You can manually make changes to this file that will not be overwritten. As such, you can add custom variales to this file.
  • experiment - this object contains the context of the experiment's experiment.json
  • variation - per variations, this object contents the contents of the variation's variation.json. Note: this is only available when processing a _variation.js file into a variation.js file. In other contexts, attempting to access the variation object will throw an error.

######Template Usage : Incorporate Experiment Data You Experiment data is a often useful. Why not incorporate it into the experiment itself?

These files:

experiment.json

{

  "description":"Title Test"

}

0/variation.json

{
  "description":"First Title"
}

1/variation.json

{
  "description":"Second Title"
}

_global.js

console.log("Experiment Running: <%= experiment.description%>")

0/_variation.js

$('title').text("<%= variation.description%>");

1/_variation.js

$('title').text("<%= variation.description%>");

, once processed will become:

global.js

console.log("Experiment Running: Title Test")

0/variation.js

$('title').text("First Title");

1/variation.js

$('title').text("Second Title");

You can also include custom data from package.json:

The files:

//package.json
{
  ...
  "logo":"logo.png"
}

0/_variation.js

$('img').href("<%= package.logo %>");

, once processed will become:

0/_variation.js

$('img').href("logo.png");

######Template Usage : Build UI Elements Files in the _/assets/templates/ folder are incorporated into the ejs context by passing it's base file name into the template function.

The files:

_/assets/templates/logobox.html

<div>
  <img src=\"logo.png\" />
</div>

0/_variation.js

var logobox = <%- JSON.stringify(template('logobox.html')) %>.join('\n');
$('body').append(logobox);

, once processed will become:

0/variation.js

var logobox = ["<div>","  <img src='logo.png' />","</div>"].join('\n');
$('body').append(logobox);

By passing in a locals object as the second argument to template fliles can be processes as ejs files in a separate context:

The files:

_/assets/templates/logobox.html

//package.json { ... "logo":"logo.png" }

<div>
  <img src=\"<%= logo %>\" />
</div>

0/_variation.js

var logobox = [''<% template('logobox.html', {logo:package.logo}).forEach(function(line){ %>
  ,'<%- line %>'<%})%>].join('\n');
$('body').append(logobox);

, once processed will become:

0/variation.js

var logobox = [''
  ,'<div>',
  ,'  <img src=\'logo.png\' />',
  ,'</div>',
  ,''].join('\n');
$('body').append(logobox);

Alternatively, the files:

_/assets/templates/logobox.html

<div>
  <img src=\"logo.png\" />
</div>

0/_/variation.js

var logobox = '\
  <% template("logobox.html").forEach(function(line){ %>
    <%- line + '\\'%><%})%>\';
    '

will produce:

0/variation.js

var logobox = '\'
  <div>\
    <img src=\"logo.png\" />\
  </div>';

Important: Note the trailing "'" in the logobox definition 0/_/variation.js. It will cause an error if used in the code, but it's to preserve syntax highlighting in this document -- highlighters may not parse the preceeding content directly. For this reason, you are discouraged from incorporating templates in this way.

Template Usage : Ensure Unique Classnames

Use the hash function in order to ensure unique class names in your style code.

/global.css

  .popup .button{

  }
  /*this may cause issues if something else decides to use the name 'popup'*/

_/global.scss

  .cls<%=hx('popup')%> .button{

  }
  /*this will produce a unique string of characters unique to the experiment,
  unlikely to cause collisions*/

Gulp Tasks

Other than the default tasks, we've included a few other tasks for your convinience:

gulp watch

Running this task is exactly like running the default task, except it will recompile your _ folders whenever files are changed. It will also recompile whenever your package.json, experiment.json, or variation.json files are changed.

Example:

gulp watch
gulp lint

This task ensures that your code conforms to good coding practices.

Example:

gulp lint
gulp push

Gulp push requires exactly one of three flags to work. In order for this to work properly, you must have a project.json file as well as a .token file in your experiment's paren't directory.

flag: --experiment

The experiment flag will push an experiment from a given directory

Example:

gulp push --experiment .
flag: --variation

The variation flag will push a variation from a given directory

gulp push --variation <path to variation>
flag: --all

Using the all flag will push an experiment from a given directory AND variations created in subdirectories

gulp push --all
gulp host

Run this task to host your local variations. In order for this to work properly, you must have a project.json file in your experiment's paren't directory.

flag: --variation

Use the variation flag to specify the directory of the variation being hosted. This flag is mandatory.

gulp host --variation <path to variation>
flag: --live

Using the live flag will cause the browser to refresh whenever the experiment files are changes. This is especially useful in conjunction with gulp watch.

gulp host --live --variation <path to variation>
jQuery

jQuery 1.6.4 is made automatically available to your experiment and variation script files.

webinterface

Once you've started hosting, you can visit http://localhost:8080 or (https://localhost:8080 if your experiment's edit url is uses https).

This page will help you to install the userscript associated with optcli

secure hosting

The gulp file is designed to look at your projects edit url and determine if it should be hosted using ssl or not. Hosting changes to a secure site may not initially work. If this happens, visit https://localhost:8080 and tell your browser to allow you to visit the site.

License

MIT