fix: fix Alt key in keyboard shortcuts (#902)

fixes #896

src/routes/_utils/shortcuts.js

@@ -173,6 +173,7 @@ function unmapKeys (keyMap, keys, component) {
 function acceptShortcutEvent (event) {
   let { target } = event
   return !(
+    event.altKey ||
     event.metaKey ||
     event.ctrlKey ||
     (event.shiftKey && event.key !== '?') || // '?' is a special case - it is allowed

tests/unit/test-shortcuts.js

@@ -15,6 +15,7 @@ function KeyDownEvent (key) {
   this.metaKey = false
   this.ctrlKey = false
   this.shiftKey = false
+  this.altKey = false
   this.target = null
 }
 
@@ -222,4 +223,15 @@ describe('test-shortcuts.js', function () {
     eventListener(new KeyDownEvent('a'))
     assert.ok(globalA.pressed())
   })
+
+  it('ignores alt key', function () {
+    let component = new Component()
+
+    addToShortcutScope('global', '1', component)
+
+    let event = new KeyDownEvent('1')
+    event.altKey = true
+    eventListener(event)
+    assert.ok(component.notPressed())
+  })
 })