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

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

  Markup

• [x] Remove lorempixel.com images

  Build pipeline

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

  CSS

• [x] Enforce coding standards CSScomb & stylelint

  JavaScript

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

  Linting

• [ ] Docs for editorconfig
• [x] Docs for stylelint
• [x] Docs for ESLint
• [x] Docs for phpcs

  Docs

• [ ] Simple recipes with common usage patterns