feat: add inline field placeholders - #1819
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughInline editable text fields now support configured placeholders. Empty content removes browser filler nodes, exposes placeholder data, and displays the placeholder without changing saved field values. Text and textarea transforms and demo blocks provide placeholder configuration. ChangesInline placeholder rendering
Estimated code review effort: 2 (Simple) | ~10 minutes Merge Risk: ⚪ Minimal · up to The PR only changes visual placeholder rendering for empty inline text fields and keeps placeholders out of saved content. One test fixture should retain coverage for null and undefined values without placeholders, but this is isolated to test coverage and no actionable merge-blocking risk remains. Sequence Diagram(s)sequenceDiagram
participant FieldConfig
participant InlineTextTransform
participant InlineTextField
participant EditableSpan
FieldConfig->>InlineTextTransform: provide field.placeholder
InlineTextTransform->>InlineTextField: pass placeholder
InlineTextField->>EditableSpan: set data-placeholder
InlineTextField->>EditableSpan: remove empty filler nodes
EditableSpan-->>InlineTextField: display placeholder for empty content
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Full details: Description checkExplanation The description includes the issue reference, change summary, implementation details, testing command, and visual evidence. It is mostly complete despite minor formatting issues in the testing and evidence sections. Full details: Linked Issues checkExplanation The changes satisfy issue Full details: Out of Scope Changes checkExplanation The demo Card and Hero updates configure empty values and placeholders to demonstrate the inline placeholder behavior. These changes are related to the pull request objective and do not introduce unrelated functionality. Full details: Docstring CoverageExplanation No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 5 files. ✨ Finishing Touches 💡 1🛠️ Fix failing CI checks 💡
🧪 Generate unit tests (beta)
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packages/core/components/InlineTextField/__tests__/index.spec.tsxESLint skipped: missing config or dependency (missing-dependency). The ESLint configuration references a package that is not available in the sandbox. packages/core/components/InlineTextField/index.tsxESLint skipped: the matched ESLint configuration already failed (missing-dependency). Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
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Actionable comments posted: 1
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Inline comments:
In `@packages/core/components/InlineTextField/styles.module.css`:
- Around line 22-23: Update InlineTextFieldInternal’s empty-state handling so a
contenteditable span containing only a filler br is normalized or marked
explicitly empty, ensuring the data-placeholder remains visible when innerText
is empty. Add a browser regression test covering the retained-filler-node case.
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packages/core/components/InlineTextField/__tests__/index.spec.tsxpackages/core/components/InlineTextField/index.tsxpackages/core/components/InlineTextField/styles.module.csspackages/core/lib/field-transforms/default-transforms/inline-text-transform.tsx
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- Ensure :empty pseudo-class matches when field value is empty - Prevents browser-inserted <br> filler nodes from hiding placeholder - Add regression test covering retained filler node scenario
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Inline comments:
In `@apps/demo/config/blocks/Card/index.tsx`:
- Line 45: Update the description field placeholder in the Card configuration to
use “Enter a description” instead of the title prompt, while leaving the title
field placeholder unchanged.
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apps/demo/config/blocks/Card/index.tsxapps/demo/config/blocks/Hero/client.tsxpackages/core/components/InlineTextField/__tests__/index.spec.tsxpackages/core/components/InlineTextField/index.tsx
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Use description-specific placeholder to match the field being edited.
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| it("renders empty when value is null instead of the literal string 'null'", () => { | ||
| it("renders the placeholder as an attribute when value is empty", () => { | ||
| const { container } = render( | ||
| <InlineTextField | ||
| propPath="subtitle" | ||
| componentId="comp-1" | ||
| value={null} | ||
| isReadOnly={false} | ||
| placeholder="Enter a subtitle" | ||
| /> | ||
| ); | ||
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| const span = container.querySelector("span"); | ||
| expect(span).not.toBeNull(); | ||
| expect(span?.innerText ?? span?.textContent ?? "").toBe(""); | ||
| expect(span).toHaveAttribute("data-placeholder", "Enter a subtitle"); | ||
| }); |
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Can you leave this test as it was? It's actually testing other behavior and is making sure that if you don't have any placeholder you don't render falsey values.
You can add an additional test for the new placeholder behavior.
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Makes sense — I split them so the null/undefined check stays as its own regression, and the placeholder behavior has its own dedicated test.
| // Normalize empty contenteditable spans to remove filler <br> nodes that | ||
| // browsers insert for editability (which prevent :empty from matching). | ||
| // Always replaceChildren when empty, not just when innerText differs. | ||
| if (!safeValue || safeValue !== ref.current.innerText) { |
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| // Normalize empty contenteditable spans to remove filler <br> nodes that | |
| // browsers insert for editability (which prevent :empty from matching). | |
| // Always replaceChildren when empty, not just when innerText differs. | |
| if (!safeValue || safeValue !== ref.current.innerText) { | |
| // Replace when the user has edited the value or when the value is empty | |
| // to remove any elements inserted by the browser that would break placeholder styling (e.g. `<br>`). | |
| if (!safeValue || safeValue !== ref.current.innerText) { |
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I narrowed it to the actual behavior: we replace the content whenever the value changes or is empty so browser-added filler nodes like
don’t break the placeholder styling.
FedericoBonel
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FedericoBonel
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Hey @ujwalbholan! Thanks for the review.
Left a couple comments.
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Deployment failed for project puck-docs with the following error: |
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@FedericoBonel Thanks, I’ve made the requested changes and kept the tests separated by behavior. I also added the browser filler-node regression case. Could you take another look when you have a moment? |
2 participants
Closes #1795
Description
Adds inline placeholder display for
textandtextareafields whencontentEditableis enabled. Placeholders now appear directly in the editor, using a reduced opacity to distinguish them from actual content. The placeholder is purely visual and is not saved to the component data payload.Approach:
field.placeholdertoInlineTextFieldcomponent from the text and textarea transformsdata-placeholderattribute and CSS::beforepseudo-element withattr()to render the placeholder textChanges made
InlineTextField component (
packages/core/components/InlineTextField/index.tsx):placeholder?: stringprop to component signaturedata-placeholderattribute on the editable spanInline text transform (
packages/core/lib/field-transforms/default-transforms/inline-text-transform.tsx):placeholder={field.placeholder}toInlineTextFieldin bothtextandtextareatransformsInline text styles (
packages/core/components/InlineTextField/styles.module.css):.InlineTextField:empty::beforerule to display placeholder text with reduced opacity when the field is emptyInlineTextField tests (
packages/core/components/InlineTextField/__tests__/index.spec.tsx):data-placeholderattribute is correctly set when value is emptyHow to test
yarn workspace @puckeditor/core test --runInBand components/InlineTextField/__tests__/index.spec.tsx##visual evidences
https://github.com/user-attachments/assets/e802e2a0-57b5-4d70-9212-355c82bc6c76
Summary by CodeRabbit
New Features
Bug Fixes