chore: consolidate broadly used js + cleanup

src/assets/scripts/index.js

@@ -0,0 +1,43 @@
+window.addEventListener('load', () => {
+  // menu keyboard controls
+  ;(() => {
+    const menuInput = document.getElementById('menu-toggle')
+    const menuButtonContainer = document.querySelector('.menu-button-container')
+    const menuItems = document.querySelectorAll('.menu-primary li')
+
+    menuButtonContainer.addEventListener('keydown', (e) => {
+      if (e.key === 'Enter' || e.key === ' ') {
+        e.preventDefault()
+        menuInput.checked = !menuInput.checked
+      }
+    });
+
+    menuItems.forEach((item) => {
+      item.addEventListener('keydown', (e) => {
+        if (e.key === 'Enter' || e.key === ' ') {
+          e.preventDefault()
+          item.querySelector('a').click()
+        }
+      })
+    })
+
+    document.addEventListener('keydown', (e) => {
+      if (e.key === 'Escape' && menuInput.checked) menuInput.checked = false
+    })
+  })()
+
+  // modal keyboard controls
+  ;(() => {
+    const modalInputs = document.querySelectorAll('.modal-input')
+
+    if (!modalInputs) return // early return if dom nodes are missing
+
+    document.addEventListener('keydown', (e) => {
+      if (e.key === 'Escape') {
+        modalInputs.forEach((modalInput) => {
+          if (modalInput.checked) modalInput.checked = false
+        })
+      }
+    })
+  })()
+})