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Fix checkbox column rendering when selection is not enabled#68

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py-bay merged 4 commits intomainfrom
copilot/fix-checkbox-selection-rendering
Oct 23, 2025
Merged

Fix checkbox column rendering when selection is not enabled#68
py-bay merged 4 commits intomainfrom
copilot/fix-checkbox-selection-rendering

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Copilot AI commented Oct 23, 2025

Problem

The Table component was incorrectly rendering checkbox/selection columns even when enableSelection() was not called on the table builder. This caused consumer applications to see unwanted checkboxes in tables that were not intended to support row selection.

Reproduction

const tableConfig = createTableBuilder<Assessment>()
  .addColumn('assessmentTyp', 'Assessment')
  .addColumn('weight', 'Weight')
  .addColumn('grade', 'Grade')
  .build(); // No .enableSelection() called

<Table data={assessments} config={tableConfig} />

Expected: No checkbox column
Actual: Checkbox column was rendered

Root Cause

The issue was in src/components/Table/components/Table.tsx where the selectable prop was determined using:

selectable={config.selectable?.mode !== "none"}

When config.selectable is undefined (i.e., enableSelection() was never called), the optional chaining evaluates to undefined !== "none", which is true, causing checkboxes to render.

Solution

Updated the condition to explicitly check for the existence of config.selectable:

selectable={!!config.selectable && config.selectable.mode !== "none"}

This ensures checkboxes only render when:

  1. config.selectable is explicitly defined (not undefined)
  2. AND the mode is not "none"

Changes

  • Core Fix: Updated 2 lines in Table.tsx (lines 211 and 223) for both MobileTable and DesktopTable components
  • Examples: Added NoSelectionExample.tsx and SelectionComparisonExample.tsx to demonstrate correct behavior
  • Documentation: Enhanced README with comprehensive SelectionConfig section, usage examples, and important notes about explicit selection enablement

Testing

  • ✅ Build passes without errors
  • ✅ TypeScript type checking passes
  • ✅ Linter passes (no new warnings or errors)
  • ✅ Existing examples continue to work correctly
  • ✅ Tables without enableSelection() no longer render checkboxes
  • ✅ Tables with enableSelection() continue to work as expected

Examples

Table WITHOUT Selection (Fixed ✅)

const config = createTableBuilder<User>()
  .addColumn("name", "Name")
  .addColumn("email", "Email")
  .build(); // No checkboxes rendered

Table WITH Selection (Still Works ✅)

const config = createTableBuilder<User>()
  .addColumn("name", "Name")
  .addColumn("email", "Email")
  .enableSelection("multiple", {
    selectedIds,
    onSelectionChange: setSelectedIds,
  })
  .build(); // Checkboxes rendered

Fixes #[issue-number]

Original prompt

This section details on the original issue you should resolve

<issue_title>Checkbox-Spalte wird gerendert, obwohl Selection nicht aktiviert ist (enableSelection wirkt nicht)</issue_title>
<issue_description>In der Table-Komponente des Pakets @agile-software/shared-components wird eine Checkbox-/Selection-Spalte gerendert, auch wenn beim Builder oder in der Table-Konfiguration keine Auswahlfunktion (z. B. enableSelection) aktiviert wurde. Das führt dazu, dass Consumer-Apps unbeabsichtigt Checkboxen sehen, selbst wenn sie keine Selektion verwenden möchten.

Reproduktionsschritte:

In einem Consumer-Repo createTableBuilder() verwenden und nur Spalten per .addColumn(...) registrieren, ohne .enableSelection(...) zu rufen.
Table mit Daten (Array von Objekten, jedes Objekt enthält id: string) rendern:
Beispiel (aus consumer):
const tableConfig = createTableBuilder()
.addColumn('assessmentTyp', 'Assessment')
.addColumn('weight', 'Weight')
.addColumn('grade', 'Grade')
.addColumn('date', 'Date')
.addColumn('actions', '', { render: (_value, row) => Submit })
.build();


Starten und Seite öffnen — beobachte die Tabelle.
Tatsächliches Verhalten:

Es erscheint eine Checkbox/Selection-Spalte in der Tabelle, obwohl im Builder keine Selektion aktiviert wurde.
Erwartetes Verhalten:

Keine Checkbox-/Selection-Spalte wird angezeigt, sofern enableSelection(...) nicht aufgerufen oder eine Auswahlkonfiguration nicht explizit gesetzt wurde.
Mögliche Ursachen (Hypothesen):

Builder fügt unabsichtlich eine Selection-Spalte standardmäßig hinzu (z. B. wenn DataItem.id existiert).
Table-Komponente prüft nur auf Existenz eines id-Feldes und rendert Selektion unabhängig von der Builder-Flag.
API-Contract für enableSelection/selectedIds hat inkonsistente property-Namen oder Defaultwerte, die Selektion aktivieren.
Thematische/Responsive-Settings oder Mobile-Mode aktivieren die Checkbox-Spalte automatisch.
Vorschläge zur Behebung:

Sicherstellen, dass die Selection-Spalte nur dann hinzugefügt oder gerendert wird, wenn eine Selection-Konfiguration aktiv ist (z. B. config.selectable / builder state).
Unit-/Integration-Tests ergänzen: Builder ohne enableSelection => keine Checkbox-Column; Builder mit enableSelection => Checkbox-Column vorhanden und Selection-API aktualisiert.
Dokumentation updaten, falls die aktuelle Erwartung ist, dass eine id automatisch Selektion aktiviert — ansonsten explizit nicht tun.
Falls backwards-compatibility nötig ist: Legt standardmäßig selectable=false fest und macht enableSelection opt-in.
Relevante Konsumenten-Datei (Beispiel aus unserem Projekt):
File: AssessmentTable.tsx
Snippet:

(In unserem Consumer hat das Entfernen von .enableSelection(...) und das Hinzufügen eines einfachen build() nicht verhindert, dass Checkboxen gerendert werden — siehe Reproduktion.)

Zusätzliche Infos / Logs:

Consumer: team-13-frontend-exagrad-student-service (branch feature/ASE-763-shared-components-migration)
Node / Browser irrelevant für diesen Bug (UI-Rendering)
Screenshot/Video kann bei Bedarf nachgereicht werden.
Akzeptanzkriterien (wie QA prüfen kann):

Erzeuge eine Tabelle mit createTableBuilder und ohne enableSelection — es werden keine Checkboxen gerendert.
Rufe enableSelection('multiple', {...}) auf — Checkboxspalte erscheint und Selection-API funktioniert (selectedIds änderbar).
Bestehende Tests laufen weiterhin durch; neue Tests für die beiden Fälle sind hinzugefügt.</issue_description>

Comments on the Issue (you are @copilot in this section)

Fixes #67


💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

Copilot AI and others added 3 commits October 23, 2025 10:13
Co-authored-by: py-bay <104859696+py-bay@users.noreply.github.com>
Co-authored-by: py-bay <104859696+py-bay@users.noreply.github.com>
Co-authored-by: py-bay <104859696+py-bay@users.noreply.github.com>
Copilot AI changed the title [WIP] Fix checkbox column rendering without selection enabled Fix checkbox column rendering when selection is not enabled Oct 23, 2025
Copilot AI requested a review from py-bay October 23, 2025 10:23
@py-bay py-bay marked this pull request as ready for review October 23, 2025 10:40
Copilot AI review requested due to automatic review settings October 23, 2025 10:40
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Pull Request Overview

This PR fixes a bug where checkbox columns were incorrectly rendered in tables that did not have selection enabled. The issue occurred because the condition checking config.selectable?.mode !== "none" evaluated to true when config.selectable was undefined, causing unwanted checkboxes to appear.

Key Changes:

  • Updated the selection rendering logic to explicitly check for the existence of config.selectable before evaluating the mode
  • Added example components to demonstrate correct behavior for tables with and without selection
  • Enhanced documentation with comprehensive SelectionConfig section and usage examples

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File Description
src/components/Table/components/Table.tsx Fixed the selectable prop logic to prevent checkboxes from rendering when selection is not configured
src/components/Table/examples/NoSelectionExample.tsx Added example demonstrating a table without selection enabled
src/components/Table/examples/SelectionComparisonExample.tsx Added comparison example showing tables with and without selection side-by-side
src/components/Table/README.md Enhanced documentation with SelectionConfig section and usage examples

Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.

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lgtm 🥇

@py-bay py-bay merged commit 8a99253 into main Oct 23, 2025
6 of 7 checks passed
@py-bay py-bay deleted the copilot/fix-checkbox-selection-rendering branch October 23, 2025 13:48
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Checkbox-Spalte wird gerendert, obwohl Selection nicht aktiviert ist (enableSelection wirkt nicht)

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