1 files changed, 50 insertions, 0 deletions
diff --git a/source/library/state/keyboard.ts b/source/library/state/keyboard.ts
new file mode 100644
index 0000000..5f07b2c
--- /dev/null
+++ b/source/library/state/keyboard.ts
@@ -0,0 +1,50 @@
+
+
+
+
+/*** EXPORT ------------------------------------------- ***/
+
+export type ShortcutAction =
+  | { type: "closeTab" }
+  | { type: "format" }
+  | { type: "newTab" }
+  | { type: "nextTab" }
+  | { type: "prevTab" }
+  | { type: "run" };
+
+export function matchShortcut(event: KeyboardEvent): ShortcutAction | null {
+  const meta = event.metaKey || event.ctrlKey;
+
+  if (!meta)
+    return null;
+
+  if (event.key === "Enter") {
+    if (event.shiftKey)
+      return { type: "newTab" };
+
+    if (!event.altKey)
+      return { type: "run" };
+
+    return null;
+  }
+
+  if (event.shiftKey && !event.altKey) {
+    const key = event.key.toLowerCase();
+
+    if (key === "w")
+      return { type: "closeTab" };
+
+    if (key === "f")
+      return { type: "format" };
+  }
+
+  if (event.altKey && !event.shiftKey) {
+    if (event.key === "ArrowRight")
+      return { type: "nextTab" };
+
+    if (event.key === "ArrowLeft")
+      return { type: "prevTab" };
+  }
+
+  return null;
+}