Dropped Vercel's log drain utilization

src/logger.ts

@@ -208,15 +208,6 @@ export class Logger {
       return;
     }
 
-    // if vercel integration is enabled, we can utilize the log drain
-    // to send logs to Axiom without HTTP.
-    // This saves resources and time on lambda and edge functions
-    if (isVercelIntegration && (this.config.source === 'edge-log' || this.config.source === 'lambda-log')) {
-      this.logEvents.forEach((ev) => console.log(JSON.stringify(ev)));
-      this.logEvents = [];
-      return;
-    }
-
     const method = 'POST';
     const keepalive = true;
     const body = JSON.stringify(this.logEvents);

tests/vercelConfig.test.ts

@@ -1,5 +1,5 @@
 import { test, expect, vi } from 'vitest';
-import { config, isVercelIntegration } from '../src/config';
+import { config } from '../src/config';
 import { EndpointType } from '../src/shared';
 import { Logger } from '../src/logger';
 
@@ -16,10 +16,13 @@ test('reading vercel ingest endpoint', () => {
   expect(url).toEqual('https://api.axiom.co/v1/integrations/vercel?type=logs');
 });
 
-test('logging to console when running on lambda', async () => {
+test('logging to Axiom when running on lambda', async () => {
   vi.useFakeTimers();
   const mockedConsole = vi.spyOn(console, 'log');
-  const time = new Date(Date.now()).toISOString();
+  global.fetch = vi.fn(async () => {
+    const resp = new Response('', { status: 200 });
+    return Promise.resolve(resp);
+  });
 
   const logger = new Logger({
     source: 'lambda-log',
@@ -28,11 +31,6 @@ test('logging to console when running on lambda', async () => {
   logger.info('hello, world!');
 
   await logger.flush();
-  expect(mockedConsole).toHaveBeenCalledTimes(1);
-
-  const calledWithPayload = JSON.parse(mockedConsole.mock.calls[0][0]);
-  expect(calledWithPayload.message).toEqual('hello, world!');
-  expect(calledWithPayload.level).toEqual('info');
-  expect(calledWithPayload._time).toEqual(time);
-  expect(calledWithPayload.vercel.source).toEqual('lambda-log');
+  expect(mockedConsole).toHaveBeenCalledTimes(0);
+  expect(fetch).toHaveBeenCalledTimes(1);
 });