wip - hook on debug messages

src/debug.test.ts

@@ -0,0 +1,17 @@
+import { describe, expect,it , vi} from "vitest";
+
+import { createDebug, registerDebugLogger } from "./debug";
+
+describe("Debug", () => {
+  it("Registers hook on log creation", () =>{
+    const mock = vi.fn()
+
+    registerDebugLogger((args) => mock(args))
+    const debug= createDebug("foo");
+
+    debug.log("message %s", "injected");
+
+    expect(mock).toHaveBeenCalledWith("")
+
+  })
+})

src/debug.ts

@@ -1,3 +1,23 @@
 import debugPkg from "debug";
 
-export const createDebug = (namespace: string) => debugPkg.debug(`app-sdk:${namespace}`);
+const debugObservables = new Set<Function>();
+
+export const registerDebugLogger = (loggerHook: (message: string) => void) => {
+  debugObservables.add(loggerHook);
+
+  return () => debugObservables.delete(loggerHook);
+};
+
+export const createDebug = (namespace: string) => {
+  const debugInstance = debugPkg.debug(`app-sdk:${namespace}`);
+  console.log(debugInstance)
+
+  const originalDebugLog = debugInstance.log.bind(debugInstance);
+
+  debugInstance.log = (args) => {
+    const log = originalDebugLog(args);
+    debugObservables.forEach((d) => d(log as string));
+  };
+
+  return debugInstance
+};

src/get-app-id.ts

@@ -2,6 +2,7 @@ import { createDebug } from "./debug";
 
 const debug = createDebug("getAppId");
 
+
 type GetIdResponseType = {
   data?: {
     app?: {