Drag-to-resize Panels

Dynamic UI To Intermediate Nice to Try

Hands-on

Interactive Sandbox

Static partial

Try this

  1. Open page
  2. Interact control
  3. Read result

Assert this

  • Visible elements
  • Text matches
  • Button state toggles

Layout / Resize

Drag-to-resize Panels

Drag the handle to adjust left/right panel widths.

Left
Right
Drag to resize

Learning & behavior

User flow

  1. Open page
  2. Interact control
  3. Read result

Learning objectives

  • Pick solid locators
  • Time waits
  • Assert state

Suggested assertions

  • Visible elements
  • Text matches
  • Button state toggles

Selector tips

Good

  • [data-test-id='drag-to-resize-panels-primary']
  • [data-test-id='drag-to-resize-panels-secondary']
  • [data-test-id='drag-to-resize-panels-action']
  • [aria-label='Drag-to-resize Panels']
  • getByRole('button', { name: 'To' })

Fallback

  • section.drag-to-resize-panels-container :nth-of-type(1)
  • .card.drag_to_resize_panels button:nth-of-type(1)
  • form.drag-to-resize-panels-form .field-group:nth-child(1)

Avoid

  • .mt-4.mb-2.flex.items-center > input:nth-child(1)
  • .css-1a2b3c4
  • div[class*='temp-'][class*='hover']

Notes

  • Some parts delay render
  • Icon buttons need aria-label
  • Layout classes may shift
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