🎨 Palette: Add ARIA labels and focus states to Playground inputs#58
🎨 Palette: Add ARIA labels and focus states to Playground inputs#58aloewright wants to merge 1 commit into
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Added explicit `aria-label`s to form controls in `PlaygroundView` which were missing them due to custom `<Control>` wrapper layout. Also restored visual keyboard focus by appending standard `focus-visible:` utility classes to elements utilizing `focus:outline-none`. Co-authored-by: aloewright <3641844+aloewright@users.noreply.github.com>
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Code Review
This pull request improves accessibility in the playground view by adding explicit aria-label attributes and custom focus-visible outline styles to several form controls, alongside documenting these learnings in .Jules/palette.md. The feedback suggests adding focus:outline-none to the select elements to prevent double-outline rendering, removing the custom outline from the range input to avoid a visually awkward box around the slider, and clarifying the documentation regarding the semantic differences between the <Control> and <Panel> components.
| <select | ||
| className="pp-select" | ||
| aria-label="Guide" | ||
| className="pp-select focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" |
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Since you are defining a custom focus-visible outline style, it is recommended to add focus:outline-none to prevent the browser's default focus outline from rendering simultaneously or overlapping, which can cause a double-outline effect on some browsers. This also ensures consistency with how the textarea focus is handled on line 348.
| <select | |
| className="pp-select" | |
| aria-label="Guide" | |
| className="pp-select focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" | |
| <select | |
| aria-label="Guide" | |
| className="pp-select focus:outline-none focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" |
| <select | ||
| className="pp-select" | ||
| aria-label="Preset" | ||
| className="pp-select focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" |
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Similar to the Guide select, adding focus:outline-none here prevents potential double-outline rendering issues by suppressing the browser's default focus outline in favor of your custom focus-visible style.
| <select | |
| className="pp-select" | |
| aria-label="Preset" | |
| className="pp-select focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" | |
| <select | |
| aria-label="Preset" | |
| className="pp-select focus:outline-none focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" |
| <input | ||
| className="w-full" | ||
| aria-label="Temperature" | ||
| className="w-full focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" |
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Applying a standard rectangular outline to a range input (type="range") wraps the entire slider track in a box, which is visually awkward and non-standard. Since you are already using style={{ accentColor: "var(--strand-color-accent-lede)" }}, modern browsers will automatically render an elegant, high-contrast focus ring directly on the slider thumb itself. It is better to omit the outer outline classes for range inputs.
| <input | |
| className="w-full" | |
| aria-label="Temperature" | |
| className="w-full focus-visible:outline-2 focus-visible:outline-offset-2 focus-visible:outline-[var(--strand-color-accent-lede)]" | |
| <input | |
| aria-label="Temperature" | |
| className="w-full" |
| ## 2025-03-05 - Custom Layout Wrappers Obscuring Implicit Labels | ||
| **Learning:** The custom UI component `<Control>` relies on wrapping inputs via `children` rather than using standard explicit `htmlFor` and `id` linking. This pattern breaks implicit label-control relationships for screen readers, making the nested form inputs inaccessible without explicit `aria-label`s. | ||
| **Action:** Always ensure that interactive elements nested inside custom layout wrappers (like `<Control>` or `<Panel>`) have explicit `aria-label` attributes to maintain accessibility, and remember to restore visual focus indicators if `focus:outline-none` is applied. |
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To clarify a technical detail regarding HTML semantics: the <Control> component actually renders a <label> element wrapping its children (line 756). In HTML, nesting an interactive control inside a <label> establishes a standard implicit label-control relationship that is fully supported by modern screen readers.
However, the <Panel> component (line 811) renders a <div> with a <span> label, which does not establish any implicit relationship. This is why the textarea inside <Panel> was completely unlabeled and required an explicit aria-label="Input".
We can update this learning entry to reflect this distinction so future developers understand when explicit ARIA labels are truly necessary versus when implicit HTML labeling is already active.
| ## 2025-03-05 - Custom Layout Wrappers Obscuring Implicit Labels | |
| **Learning:** The custom UI component `<Control>` relies on wrapping inputs via `children` rather than using standard explicit `htmlFor` and `id` linking. This pattern breaks implicit label-control relationships for screen readers, making the nested form inputs inaccessible without explicit `aria-label`s. | |
| **Action:** Always ensure that interactive elements nested inside custom layout wrappers (like `<Control>` or `<Panel>`) have explicit `aria-label` attributes to maintain accessibility, and remember to restore visual focus indicators if `focus:outline-none` is applied. | |
| ## 2025-03-05 - Custom Layout Wrappers Obscuring Implicit Labels | |
| **Learning:** Custom UI components like `<Panel>` rely on wrapping inputs via `children` inside a `<div>` rather than a `<label>` element, which breaks label-control relationships for screen readers. Note that `<Control>` uses a `<label>` wrapper, which successfully establishes a valid implicit relationship, but explicit labels can still be useful for overriding dynamic label text. | |
| **Action:** Always ensure that interactive elements nested inside custom non-label layout wrappers (like `<Panel>`) have explicit `aria-label` attributes to maintain accessibility, and remember to restore visual focus indicators if `focus:outline-none` is applied. |
💡 What
Added explicit
aria-labelattributes to the Guide<select>, Preset<select>, Temperature<input>, and Input<textarea>insidePlaygroundView. Also added the repository's standardfocus-visibleoutline styles to these inputs. Recorded this learning about custom wrappers breaking implicit labels in.Jules/palette.md.🎯 Why
Screen readers rely on
aria-labels to announce form controls when explicitidandhtmlFortags are absent (such as when inputs are wrapped and rendered viachildrenin custom components like<Control>). Furthermore, some components were stripped of default focus outlines viafocus:outline-none, breaking keyboard navigation accessibility.📸 Before/After
(Visuals verified via internal verification video; no standard non-focus layout changes occurred)
♿ Accessibility
PR created automatically by Jules for task 12552871090002940406 started by @aloewright