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Rich text: add button to clear unknown format #44086

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merged 6 commits into from
Dec 9, 2022

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ellatrix
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@ellatrix ellatrix commented Sep 12, 2022

What?

Partly addresses #8869.
Fixes #43680.

Adds a button to remove the selected unknown formatting.

This resolves one use case for a "clear formatting" button. Note that this button will only appear when an unknown format is selected.

To select all unknown formatting, select all the text.

Maybe there's also a use case for a button to remove ALL formatting (known and unknown), but this should be done separately. We need some good heuristic for what should be removed. Should inline image be removed? Should links?

Why?

Currently there's no way to remove unknown formatting in the visual editor.

How?

Adds a catch-all format type.

Testing Instructions

Edit a paragraph with the HTML editor and wrap some text in (for example) a cite tag.
Go to the visual editor and select the formatted text.
The button to clear the unknown format should be active.
Click it to remove the formatting.

Screenshots or screencast

clear-unknow-formatting

@ellatrix ellatrix added [Package] Format library /packages/format-library [Package] Rich text /packages/rich-text labels Sep 12, 2022
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github-actions bot commented Sep 12, 2022

Size Change: +287 B (0%)

Total Size: 1.32 MB

Filename Size Change
build/block-editor/index.min.js 181 kB +7 B (0%)
build/format-library/index.min.js 7.2 kB +232 B (+3%)
build/rich-text/index.min.js 10.7 kB +48 B (0%)
ℹ️ View Unchanged
Filename Size
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compressed-size-action

@talldan
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talldan commented Sep 13, 2022

It looks like this may also fix #43680.

@mtias
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mtias commented Sep 17, 2022

Should this show up in the visible tools (not the show more dropdown) when the cursor is within an unknown format?

@ellatrix
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@mtias Sure, if you like.
I think we should very rarely add things to the main section though. For example, we used to add color the the main section, but only when it is active, so that would cause the toolbar to expand if you add color or click in color.

@mtias
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mtias commented Sep 19, 2022

Yeah, but this one seems like you might want to know if there's something odd

@ellatrix
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How's this?

Screenshot 2022-09-19 at 15 24 26

@ellatrix ellatrix changed the title Rich text: add button to clear unknow format Rich text: add button to clear unknown format Oct 18, 2022
@ellatrix ellatrix force-pushed the try/rich-text-clear-unknown-formatting-button branch from 6dc3744 to 4e7a25f Compare November 3, 2022 13:14
@ellatrix ellatrix force-pushed the try/rich-text-clear-unknown-formatting-button branch from 4e7a25f to 5eda786 Compare November 30, 2022 12:59
@ellatrix ellatrix force-pushed the try/rich-text-clear-unknown-formatting-button branch from 5eda786 to 21274d5 Compare December 8, 2022 14:37
@ellatrix
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ellatrix commented Dec 9, 2022

Let's ship the feature, we can always iterate on it. Code is isolated to rich text and added an e2e test.

@ellatrix ellatrix merged commit 04bfaad into trunk Dec 9, 2022
@ellatrix ellatrix deleted the try/rich-text-clear-unknown-formatting-button branch December 9, 2022 08:54
@github-actions github-actions bot added this to the Gutenberg 14.8 milestone Dec 9, 2022
@t-hamano
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t-hamano commented Dec 26, 2022

I was investigating #46777 related to this PR.

It appears that this PR no longer allows format types s that don't have className to be registered. For example, when a third-party plugin disables the core/link and provides its own link format. Details of the problem are provided in this comment.

Is there any way to address this issue?

return className === null && bareElementTagName === tagName;
} ) ||
formatTypes.find( ( { className, tagName } ) => {
return className === null && '*' === tagName;
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This line ensures that core/unknown is detected.
Therefore, it appears that format types that don't have className cannot be newly registered, even if the tagName has not yet been registered.

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Fixed by #46798

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