mapbox/mapbox-gl-js

[accessibility] Accessible target size for controls

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#11 037 ouverte le 18 sept. 2021

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good first issue

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Description

The WCAG 2.1 SC 2.5.5 Target Size requires targets for pointer input to be at least 44 by 44 in CSS pixels. Meeting this requirement has multiple benefits, it'd be great to pass this criteria for the commonly used controls:

  • Attribution control (mapboxgl-ctrl-attrib-button)
  • Popup close button (mapboxgl-popup-close-button)
  • Fullscreen control (mapboxgl-ctrl-fullscreen)
  • Location control (mapboxgl-ctrl-geolocate)
  • Markers (mapboxgl-marker)
  • Navigation controls:
    • Zoom in (mapboxgl-ctrl-zoom-in)
    • Zoom out (mapboxgl-ctrl-zoom-out)
    • Compass/reset bearing (mapboxgl-ctrl-compass)
  • etc.?

It may not be desirable to increase the size of the icons themselves, in which case padding can be used to increase the size of the tap targets.

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