feat: add imessage rpc adapter

src/imessage/targets.test.ts

@@ -0,0 +1,56 @@
+import { describe, expect, it } from "vitest";
+
+import {
+  formatIMessageChatTarget,
+  isAllowedIMessageSender,
+  normalizeIMessageHandle,
+  parseIMessageTarget,
+} from "./targets.js";
+
+describe("imessage targets", () => {
+  it("parses chat_id targets", () => {
+    const target = parseIMessageTarget("chat_id:123");
+    expect(target).toEqual({ kind: "chat_id", chatId: 123 });
+  });
+
+  it("parses group chat targets", () => {
+    const target = parseIMessageTarget("group:456");
+    expect(target).toEqual({ kind: "chat_id", chatId: 456 });
+  });
+
+  it("parses sms handles with service", () => {
+    const target = parseIMessageTarget("sms:+1555");
+    expect(target).toEqual({ kind: "handle", to: "+1555", service: "sms" });
+  });
+
+  it("normalizes handles", () => {
+    expect(normalizeIMessageHandle("Name@Example.com")).toBe(
+      "name@example.com",
+    );
+    expect(normalizeIMessageHandle(" +1 (555) 222-3333 ")).toBe(
+      "+15552223333",
+    );
+  });
+
+  it("checks allowFrom against chat_id", () => {
+    const ok = isAllowedIMessageSender({
+      allowFrom: ["chat_id:9"],
+      sender: "+1555",
+      chatId: 9,
+    });
+    expect(ok).toBe(true);
+  });
+
+  it("checks allowFrom against handle", () => {
+    const ok = isAllowedIMessageSender({
+      allowFrom: ["user@example.com"],
+      sender: "User@Example.com",
+    });
+    expect(ok).toBe(true);
+  });
+
+  it("formats chat targets", () => {
+    expect(formatIMessageChatTarget(42)).toBe("chat_id:42");
+    expect(formatIMessageChatTarget(undefined)).toBe("");
+  });
+});