README.md

@@ -1,15 +1,3 @@
-# Tidepool Keyboard Demo
+# tidepool-keyboard-demo
 
-A dependency-free browser demo for moving an explorer between tidepool zones.
+An accessible tiny browser demo for exploring a tidepool
-
-## Keyboard controls
-
-- ArrowRight and ArrowDown move to the next zone.
-- ArrowLeft and ArrowUp move to the previous zone.
-- Movement wraps at both ends.
-
-## Review checklist
-
-- Confirm every action has a visible keyboard focus state.
-- Confirm the active zone is announced in a live region.
-- Confirm wraparound behavior is understandable without a pointer.

src/tidepool.js

@@ -1,12 +0,0 @@
-export const zones = ['shore', 'rocks', 'pool'];
-
-export function nextZone(currentIndex, direction) {
-  const step = direction === 'previous' ? -1 : 1;
-  return (currentIndex + step + zones.length) % zones.length;
-}
-
-export function directionForKey(key) {
-  if (key === 'ArrowLeft' || key === 'ArrowUp') return 'previous';
-  if (key === 'ArrowRight' || key === 'ArrowDown') return 'next';
-  return null;
-}