OpenTUI is here (#2685)

packages/opencode/src/util/keybind.ts

@@ -0,0 +1,76 @@
+import { isDeepEqual } from "remeda"
+
+export namespace Keybind {
+  export type Info = {
+    ctrl: boolean
+    meta: boolean
+    shift: boolean
+    leader: boolean
+    name: string
+  }
+
+  export function match(a: Info, b: Info): boolean {
+    return isDeepEqual(a, b)
+  }
+
+  export function toString(info: Info): string {
+    const parts: string[] = []
+
+    if (info.ctrl) parts.push("ctrl")
+    if (info.meta) parts.push("alt")
+    if (info.shift) parts.push("shift")
+    if (info.name) {
+      if (info.name === "delete") parts.push("del")
+      else parts.push(info.name)
+    }
+
+    let result = parts.join("+")
+
+    if (info.leader) {
+      result = result ? `<leader> ${result}` : `<leader>`
+    }
+
+    return result
+  }
+
+  export function parse(key: string): Info[] {
+    if (key === "none") return []
+
+    return key.split(",").map((combo) => {
+      // Handle <leader> syntax by replacing with leader+
+      const normalized = combo.replace(/<leader>/g, "leader+")
+      const parts = normalized.toLowerCase().split("+")
+      const info: Info = {
+        ctrl: false,
+        meta: false,
+        shift: false,
+        leader: false,
+        name: "",
+      }
+
+      for (const part of parts) {
+        switch (part) {
+          case "ctrl":
+            info.ctrl = true
+            break
+          case "alt":
+          case "meta":
+          case "option":
+            info.meta = true
+            break
+          case "shift":
+            info.shift = true
+            break
+          case "leader":
+            info.leader = true
+            break
+          default:
+            info.name = part
+            break
+        }
+      }
+
+      return info
+    })
+  }
+}