Do you receive any errors in the browser dev tools while you have the block editor open? One improvement that I immediately notice is that your call to the block editor should be: const { InspectorControls, getColorObjectByColorValue, } = wp.block-editor; not block.editor.
Add support for ‘alignnone’ to Gutenberg block align controls?
How can I programaticly open Gutenberg
Make a Gutenberg Block that do WP_User_Query
How can Reusable Blocks be fully deleted?
How do I access onMerge, onReplace, onRemove functions for a Rich Text component in Gutenberg block code?
props.setAttributes results in “Maximum update depth exceeded.”
How to force gutenberg to reload blocks after saving
Marc, If you install the Gutenberg plugin (as of v 8.9.0 of Gutenberg), which is the newest version of the block editor, the widget editor has become block-based by default. Below is my original answer from May 2020 but is useful for posterity. There’s a couple issues going on: How ‘widgets’ are thought (and will … Read more
Gutenberg TextareaControl escapes html