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How I Fixed My Broken Signup Flow (And What It Taught Me)

You know that moment when your code should work, but it's silently failing? Yeah, that was me last week. I built a user signup API, and it kept throwing vague errors like "Something went wrong" with no details. Super helpful, right? The Breaking Point I finally saw this in my logs: TypeError: Cannot read properties of undefined (reading 'collection') Turns out, my database connection wasn't actually connecting. I'd forgotten the critical await client.connect()—oops. My connectDB() function was basically a fancy no-op. What Went Wrong Ghost Errors My try/catch swallowed errors instead of passing them up Result: Empty error: {} responses. Cool. Very descriptive. HTTP Codes Gone Wild I used 304 Not Modified for existing users (

Mar 28, 2025 - 08:10
 0
How I Fixed My Broken Signup Flow (And What It Taught Me)

You know that moment when your code should work, but it's silently failing? Yeah, that was me last week. I built a user signup API, and it kept throwing vague errors like "Something went wrong" with no details. Super helpful, right?

The Breaking Point

I finally saw this in my logs:

TypeError: Cannot read properties of undefined (reading 'collection')

Turns out, my database connection wasn't actually connecting. I'd forgotten the critical await client.connect()—oops. My connectDB() function was basically a fancy no-op.

What Went Wrong

  1. Ghost Errors

    • My try/catch swallowed errors instead of passing them up
    • Result: Empty error: {} responses. Cool. Very descriptive.

  2. HTTP Codes Gone Wild

    • I used 304 Not Modified for existing users (
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