refactor: packages/

1 files changed, 66 insertions, 0 deletions

diff --git a/packages/excalidraw/components/FontPicker/keyboardNavHandlers.ts b/packages/excalidraw/components/FontPicker/keyboardNavHandlers.ts
new file mode 100644
index 0000000..19c4adc
--- /dev/null
+++ b/packages/excalidraw/components/FontPicker/keyboardNavHandlers.ts
@@ -0,0 +1,66 @@
+import type { Node } from "../../utils";
+import { KEYS } from "../../keys";
+import { type FontDescriptor } from "./FontPickerList";
+
+interface FontPickerKeyNavHandlerProps {
+  event: React.KeyboardEvent<HTMLDivElement>;
+  inputRef: React.RefObject<HTMLInputElement | null>;
+  hoveredFont: Node<FontDescriptor> | undefined;
+  filteredFonts: Node<FontDescriptor>[];
+  onClose: () => void;
+  onSelect: (value: number) => void;
+  onHover: (value: number) => void;
+}
+
+export const fontPickerKeyHandler = ({
+  event,
+  inputRef,
+  hoveredFont,
+  filteredFonts,
+  onClose,
+  onSelect,
+  onHover,
+}: FontPickerKeyNavHandlerProps) => {
+  if (
+    !event[KEYS.CTRL_OR_CMD] &&
+    event.shiftKey &&
+    event.key.toLowerCase() === KEYS.F
+  ) {
+    // refocus input on the popup trigger shortcut
+    inputRef.current?.focus();
+    return true;
+  }
+
+  if (event.key === KEYS.ESCAPE) {
+    onClose();
+    return true;
+  }
+
+  if (event.key === KEYS.ENTER) {
+    if (hoveredFont?.value) {
+      onSelect(hoveredFont.value);
+    }
+
+    return true;
+  }
+
+  if (event.key === KEYS.ARROW_DOWN) {
+    if (hoveredFont?.next) {
+      onHover(hoveredFont.next.value);
+    } else if (filteredFonts[0]?.value) {
+      onHover(filteredFonts[0].value);
+    }
+
+    return true;
+  }
+
+  if (event.key === KEYS.ARROW_UP) {
+    if (hoveredFont?.prev) {
+      onHover(hoveredFont.prev.value);
+    } else if (filteredFonts[filteredFonts.length - 1]?.value) {
+      onHover(filteredFonts[filteredFonts.length - 1].value);
+    }
+
+    return true;
+  }
+};