Refactor our theme

[neojp]

Let's refactor our theme to bring the latest tools and ideas we have been using in our latest projects.

PHP

• Enforce WordPress coding standards / naming conventions for files and code. PHP_CodeSniffer
• Refactor WDG class
  • Remove unused methods
  • Nav menus menu_class is being repeated twice
  • Throw better errors on get_template_part
• Move Theme class to its own file, reference it in functions.php
• New PHP classes
  • Attachment
  • Breadcrumb
    • Implement caching
    • Support default post, pages, search & archives
    • Support custom post types
    • Support custom taxonomies
  • Post Type
  • String
  • SVG
    • Implement caching
  • Taxonomy
  • Visual Grid
• Make sure WP Widgets are being properly included and registered by default
• Replace Nav walker to not use SUIT CSS class names
• Fix WDG::add_body_class()
• Fix WDG::register_style() & WDG::register_script() to include the version number
• Docs on how to use OOP and each PHP class
• PHPDoc on all classes and methods
• Unit test each class method
• Composer support

Markup

• Remove lorempixel.com images

Build pipeline

• Use local NPM script tasks rather than installing global Build Task Runners
• Move towards Gulp
• Deprecate Bower usage
• Move vendor to its own task
• Docs on how to extend internals

CSS

• Enforce coding standards CSScomb & stylelint

JavaScript

• Enforce coding standards
• Use ES6 and ES6 modules (tree shaking support) with Rollup
• Sourcemaps
• JSDoc on all classes

Linting

• Docs for editorconfig
• Docs for stylelint
• Docs for ESLint
• Docs for phpcs

Docs

• Simple recipes with common usage patterns