refactor(infra): directory structure (#4615)

packages/common/infra/src/command/registry.ts

@@ -0,0 +1,64 @@
+// @ts-expect-error upstream type is wrong
+import { tinykeys } from 'tinykeys';
+
+import {
+  type AffineCommand,
+  type AffineCommandOptions,
+  createAffineCommand,
+} from './command';
+
+export const AffineCommandRegistry = new (class {
+  readonly commands: Map<string, AffineCommand> = new Map();
+
+  register(options: AffineCommandOptions) {
+    if (this.commands.has(options.id)) {
+      console.warn(`Command ${options.id} already registered.`);
+      return () => {};
+    }
+    const command = createAffineCommand(options);
+    this.commands.set(command.id, command);
+
+    let unsubKb: (() => void) | undefined;
+
+    if (
+      command.keyBinding &&
+      !command.keyBinding.skipRegister &&
+      typeof window !== 'undefined'
+    ) {
+      const { binding: keybinding } = command.keyBinding;
+      unsubKb = tinykeys(window, {
+        [keybinding]: async (e: Event) => {
+          e.preventDefault();
+          try {
+            await command.run();
+          } catch (e) {
+            console.error(`Failed to invoke keybinding [${keybinding}]`, e);
+          }
+        },
+      });
+    }
+
+    console.debug(`Registered command ${command.id}`);
+    return () => {
+      unsubKb?.();
+      this.commands.delete(command.id);
+      console.debug(`Unregistered command ${command.id}`);
+    };
+  }
+
+  get(id: string): AffineCommand | undefined {
+    if (!this.commands.has(id)) {
+      console.warn(`Command ${id} not registered.`);
+      return undefined;
+    }
+    return this.commands.get(id);
+  }
+
+  getAll(): AffineCommand[] {
+    return Array.from(this.commands.values());
+  }
+})();
+
+export function registerAffineCommand(options: AffineCommandOptions) {
+  return AffineCommandRegistry.register(options);
+}