Post Navigation Link: Add missing typography supports

[aaronrobertshaw]

Related:

• Tracking: Addressing Design Tooling Consistency #43241
• Tracking: Typography Design Tools Consistency #43242

What?

Adds missing typography support to the Post Navigation Link block.

Why?

• Improves consistency of our design tools across blocks.

How?

• Opts into missing typography supports.

Testing Instructions

1. Edit a post, add a Previous Post or Next Post link, and select it.
2. Confirm the text-decoration control is available.
3. Test text decoration can be applied and displays correctly within the editor and on the frontend.
4. Clear the text decoration style from the block.
5. Style the Post Navigation Link block via theme.json to add a text-decoration style.
6. Reload editor and confirm the theme.json style applies correctly as well as on the frontend.

Example theme.json snippet.

			"core/post-navigation-link": {
				"typography": {
					"textDecoration": "line-through"
				}
			}

Screenshots or screencast

Screen.Recording.2022-08-18.at.11.57.36.am.mp4

[glendaviesnz]

Tested well for me:
✅ Text decoration was available in editor inspector controls for block and applying showed in editor and frontend
✅ Adding setting to theme.json was applied in editor and frontend