Will Skora

Thanks, this workaround (specifically i used https://wordpress.stackexchange.com/a/216117/48698) solves issue my although post author screen is done in the post type’s administration page; not within the post editor itself and isn’t ideal from a user experience perspective.

After I granted the user an additional role of author
author, the user already had the custom role (which I thought should have all of the capabilities))
this problem was resolved and the user was listed again in the post author box inside the post editor.

I think the real cause is that the post-author box in gutenberg populates the
authors list by
retrieving the users with the ‘author’ role instead of retrieving users who have the capability of publish_posts for that particular post type.

https://github.com/WordPress/gutenberg/blob/7bb5e4bc267df66b7c474a62a83c6ae9565f0401/packages/editor/src/components/post-author/combobox.js#L32

I figured it out through a tip to look at the Nested templates

Compared to my original code, I needed to nest the button block in an additional array.

I’ve included a working example below for the button block:

Determine which attributes for the block that you need and then define them as an array object as I did below.

array(
	'core/buttons',
	array(
		'contentJustification' => 'center',
	),
	array(
		array(
			'core/button',
			array(
				'text'      => 'your text',
				'url'       => 'https://ww.wp.xz.cn',
				'className' => 'is-style-name-of-your-style-variation',
			),
		),
	),
),

• This reply was modified 5 years, 6 months ago by Will Skora.

I should add:

this error appeared while issuing wp profile stage --fields=stage,time,cache_ratio in my console;
i’m running php 7.0.27
wordpress 4.9.2
2.2.3 of the plugin.