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ColorPalette: Update label correctly when value is CSS variable #41461

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merged 4 commits into from
Jun 1, 2022

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mirka
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@mirka mirka commented May 31, 2022

Fixes #41157

What?

Fixes a bug where the color name label would not update correctly when switching between colors that were CSS variables.

Why?

The colord( value ).toHex() normalization that we were doing before finding a color match does not work for CSS variables, returning the fallback result of #000000. Because all CSS variables got normalized down to #000000, we could not reliably find the current color in the list of colors.

How?

If a color value looks like a CSS variable, don't try to normalize it to a hex value.

Testing Instructions

  1. npm run storybook:dev
  2. Go to the ColorPalette ▸ CSS Variables story. The color name label should now update correctly when switching between colors.

Known issue with text label contrast switching: #41459

@mirka mirka added [Type] Bug An existing feature does not function as intended [Package] Components /packages/components labels May 31, 2022
@mirka mirka requested a review from ajitbohra as a code owner May 31, 2022 14:12
@mirka mirka self-assigned this May 31, 2022
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Size Change: +23 B (0%)

Total Size: 1.24 MB

Filename Size Change
build/components/index.min.js 228 kB +23 B (0%)
ℹ️ View Unchanged
Filename Size
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@ciampo ciampo left a comment

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LGTM 🚀

  • ✅ Code changes look good
  • ✅ New Storybook example works as expected
  • ✅ Original issue in the block editor is fixed
  • ✅ Thank you for going the extra mile and adding unit tests 👏

@t-hamano
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t-hamano commented Jun 1, 2022

Thanks for fixing the issue!
I have set and tested various values.
Looks to be working correctly to me 😄

theme.json used for the test
{
	"version": 2,
	"settings": {
		"layout": {
			"contentSize": "650px",
			"wideSize": "1000px"
		},
		"color": {
			"palette": [
				{
					"slug": "orange",
					"color": "orange",
					"name": "Orange"
				},
				{
					"slug": "wp-preset-color",
					"color": "var(--wp--preset--color--pale-pink)",
					"name": "Preset Color"
				},
				{
					"slug": "wp-preset-gradient",
					"color": "var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple)",
					"name": "Preset Gradient"
				},
				{
					"slug": "rgb",
					"color": "rgb(34, 12, 64)",
					"name": "RGB"
				},
				{
					"slug": "rgba",
					"color": "rgba(34, 12, 64, 0.6)",
					"name": "RGBA"
				},
				{
					"slug": "hsl",
					"color": "hsl(30, 100%, 50%)",
					"name": "HSL"
				},
				{
					"slug": "hsla",
					"color": "hsla(30, 100%, 50%, 0.6)",
					"name": "HSLA"
				},
				{
					"slug": "long-label-color",
					"color": "#ff0000",
					"name": "Long Long Long Long Long Long Label"
				}
			]
		}
	}
}
fixcolor-palette-var.mp4

Personally, I was concerned about the following two points, but I think they are out of the scope of this PR.
If necessary, I would like to address them in another issue or PR.

  • Labels are hidden when the value is long.
  • How about skipping toUpperCase For CSS variables?

@mirka
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mirka commented Jun 1, 2022

If necessary, I would like to address them in another issue or PR.

  • Labels are hidden when the value is long.
  • How about skipping toUpperCase For CSS variables?

@t-hamano Sounds good, thank you. As for the latter point, I do think the uppercase is more consistent, but no strong opinion. Feel free to propose it if you like, and one of the designers can take a look!

@mirka mirka merged commit 228adc9 into trunk Jun 1, 2022
@mirka mirka deleted the fix/color-palette-var branch June 1, 2022 10:29
@github-actions github-actions bot added this to the Gutenberg 13.4 milestone Jun 1, 2022
youknowriad pushed a commit that referenced this pull request Jun 3, 2022
* ColorPalette: Update label correctly when value is CSS variable

* Add unit tests

* Add story

* Add changelog
@hannah-prh
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I'm still seeing this issue. Is the fix released?

@mirka
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mirka commented Sep 5, 2022

Is the fix released?

If you're using the Gutenberg plugin, yes. Otherwise, I believe not. It will be released in WordPress 6.1.

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ColorPalette: Labels do not change when CSS variables are used
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