* Add core breakpoint 480px, remove non-core breakpoints
* Add the optional operator & save callback
* Add the catOperator as a valid attribute
* Enable cat operator for Products by Category
* Add cat_operator support the products API endpoint
* Enable cat_operator in the shortcode and query utils
* Pluralize the “nothing found” string if we have multiple categories
* Fix style in the inspector panel
* Add category operator support to the Best Sellers product block
* Add cat_operator support to On Sale Products block
* Update label & margin
* Add buildTermsTree to handle hierarchical list input
* Append items if their parent is not in the given list
* Add `breadcrumbs` property to hierarchical list
* Display the “breadcrumbs” parent categories when searching
* Use display properties
we’re providing alternative text for screen reader users, so we can just toggle display values for the prefix
* Add all parent categories to name provided for screen readers
* Display parent category when parent is a currently selected item
* Add the depth class to items in defaultRenderItem
* Add a test for a hierarchical item list
* Clean up hierarchy docblock & commented-out code
* Update proptype
* Update depth CSS so we still indent very nested categories
* Add new components for ProductCategoryControl, using a reusable SearchListControl
* Add sass variables from wc-admin
* Finish styling
* Save selected categories as selected for the block
* Style sidebar version of control
* Filter the categories list, highlight search term in result
* Filter out selected items in the filter list function
* Add spacing in the placeholder, remove unnecessary stylesheet
* Add a more descriptive label for screen readers
* Remove category references from list item options
* Switch to a configurable object of messages, so SearchListControl can be more customizable
* Add screen-reader message for toggling “done” and moving into preview
* Remove call to getProductCategoryControl
The component is simple enough to just drop in now :)
* Add documentation for all props
* Add padding to placeholder
* Rename fallbackrenderItem to defaultRenderItem
* Add a variable to save the selected count
* Add `isDestructive` to make link red
* Update item style
* Add a hover/focus background color
* Add travis to run JS & CSS linting, JS tests, and PHPUnit tests
* Move API initiation out of the gutenberg/files check
So that php tests run without having to build the JS files
* Add very basic product endpoint tests
* Fix stylelint issues in CSS
* Remove e2e setup, replace with dependency setup
* Add missing install step
* Remove cache for now
* Add specific `har-validator` dependency because v 5.1.2 has disappeared
* Only run npm install for the JS test job
* Check for installed plugins
* Update install location
* Fix typo in plugin name
* Check the BRANCH variable, rather than TRAVIS_PULL_REQUEST_BRANCH, which is only set on PR runs
* Remove debug command
* A change to trigger CI
* Set the expected node & npm versions
* Remove copy-pasted command, does not apply
Kelly Dwan