refactor(app): extract keybind settings controller (#39226)

packages/app/test-browser/settings-keybinds.test.ts

@@ -0,0 +1,107 @@
+import { describe, expect, test } from "bun:test"
+import { createRoot } from "solid-js"
+import { createKeybindSettingsController } from "../src/components/settings-keybinds"
+
+function setup(overrides: Record<string, string> = {}) {
+  const changes: [string, string][] = []
+  const suppression: boolean[] = []
+  const notifications: { title: string; description?: string }[] = []
+  let resets = 0
+  let controller: ReturnType<typeof createKeybindSettingsController>
+
+  const dispose = createRoot((dispose) => {
+    controller = createKeybindSettingsController(
+      {
+        command: {
+          catalog: [
+            { id: "session.alpha", title: "Alpha", keybind: "mod+a" },
+            { id: "session.beta", title: "Beta", keybind: "mod+b" },
+          ],
+          options: [],
+          keybinds: (enabled) => suppression.push(enabled),
+        },
+        settings: {
+          current: { keybinds: overrides },
+          keybinds: {
+            get: (id) => overrides[id],
+            set: (id, value) => {
+              overrides[id] = value
+              changes.push([id, value])
+            },
+            resetAll: () => {
+              resets++
+            },
+          },
+        },
+        notify: (toast) => notifications.push(toast),
+      },
+      {
+        locale: () => "en",
+        t: (key, params) => {
+          if (params) return `${key}:${Object.values(params).join("|")}`
+          if (key === "common.key.alt") return "Alt"
+          return String(key)
+        },
+      },
+    )
+    return dispose
+  })
+
+  return {
+    controller: controller!,
+    changes,
+    suppression,
+    notifications,
+    resets: () => resets,
+    dispose,
+  }
+}
+
+function modKey(key: string) {
+  const mac = /(Mac|iPod|iPhone|iPad)/.test(navigator.platform)
+  return new KeyboardEvent("keydown", { key, ctrlKey: !mac, metaKey: mac, bubbles: true, cancelable: true })
+}
+
+describe("keybind settings controller", () => {
+  test("derives the catalog, effective bindings, and filtered groups", () => {
+    const state = setup({ "session.beta": "alt+k" })
+
+    expect(state.controller.catalog.title("session.alpha")).toBe("Alpha")
+    expect(state.controller.catalog.keybind("session.beta")).toBe("Alt+K")
+    expect(state.controller.catalog.filtered("alt k").get("Session")).toEqual(["session.beta"])
+    expect(state.controller.settings.hasOverrides()).toBe(true)
+
+    state.dispose()
+  })
+
+  test("captures bindings, rejects conflicts, and restores command handling", () => {
+    const state = setup()
+
+    state.controller.capture.toggle("session.beta")
+    document.dispatchEvent(modKey("a"))
+    expect(state.changes).toEqual([])
+    expect(state.notifications).toHaveLength(1)
+    expect(state.controller.capture.active()).toBe("session.beta")
+
+    document.dispatchEvent(modKey("x"))
+    expect(state.changes).toEqual([["session.beta", "mod+x"]])
+    expect(state.suppression).toEqual([false, true])
+    expect(state.controller.capture.active()).toBeNull()
+
+    state.controller.capture.toggle("session.alpha")
+    state.dispose()
+    expect(state.suppression).toEqual([false, true, false, true])
+    document.dispatchEvent(modKey("z"))
+    expect(state.changes).toEqual([["session.beta", "mod+x"]])
+  })
+
+  test("resets persisted overrides and reports success", () => {
+    const state = setup({ "session.alpha": "none" })
+
+    state.controller.settings.reset()
+    expect(state.resets()).toBe(1)
+    expect(state.notifications[0]?.title).toBe("settings.shortcuts.reset.toast.title")
+
+    state.dispose()
+  })
+})