chore: specify log level

src/utils/callbacks/api.spec.ts

@@ -12,13 +12,6 @@ jest.mock("~/utils/filesys", () => ({
 
 describe("utils/callback/api.ts", () => {
   describe("handleApi", () => {
-    const expectedLogs =
-      "this is an info\n" +
-      "this info log should be captured\n" +
-      "this is another info\n" +
-      "this error log should be captured\n" +
-      "this comes from process.stdout.write";
-
     const exampleRequest = {
       method: "GET",
       url: "/",
@@ -60,6 +53,13 @@ describe("utils/callback/api.ts", () => {
       test("should handle returning a response body", async () => {
         const response = await handleApi(exampleRequest, "/");
 
+        const expectedLogs =
+          "stdout:this is an info\n" +
+          "stdout:this info log should be captured\n" +
+          "stdout:this is another info\n" +
+          "stderr:this error log should be captured\n" +
+          "stdout:this comes from process.stdout.write";
+
         expect(response).toEqual({
           body: "Hello world",
           status: 201,
@@ -94,7 +94,7 @@ describe("utils/callback/api.ts", () => {
           buffer: "SGkgd29ybGQ=",
           status: 200,
           statusMessage: "OK",
-          logs: "captured logs\n",
+          logs: "stdout:captured logs\n",
           headers: {
             connection: "close",
             date: expect.any(String),

src/utils/logger.ts

@@ -8,25 +8,28 @@ export class Logger {
   stdout: string[] = [];
 
   constructor() {
-    const s = this.streamWithContext();
+    const stdout = this.streamWithContext("stdout");
+    const stderr = this.streamWithContext("stderr");
 
-    // @ts-ignore;
-    process.stdout.write = process.stderr.write = s.write.bind(s);
+    // @ts-ignore
+    process.stdout.write = stdout.write.bind(stdout);
+    // @ts-ignore
+    process.stderr.write = stderr.write.bind(stdout);
 
     console = new console.Console(
-      this.streamWithContext(),
-      this.streamWithContext()
+      this.streamWithContext("stdout"),
+      this.streamWithContext("stderr")
     );
   }
 
-  streamWithContext() {
+  streamWithContext(level: "stderr" | "stdout") {
     return new stream.Writable({
       write: (
         chunk: any,
         _: BufferEncoding,
         callback: (error?: Error | null) => void
       ): void => {
-        this.stdout.push(chunk.toString());
+        this.stdout.push(`${level}:${chunk.toString()}`);
         callback(null);
       },
     });