--- title: "How To Handle Errors Like A Senior Dev" url: https://daily.dev/posts/how-to-handle-errors-like-a-senior-dev-nydm65aqm source_url: https://www.youtube.com/watch?v=ovnyeq-Xxrc type: video:youtube source: "Web Dev Simplified" published: 2026-02-03T18:06:02.000Z updated: 2026-02-03T18:34:53.327Z tags: ["architecture", "typescript", "nextjs"] reading_time: 32 upvotes: 4 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # How To Handle Errors Like A Senior Dev **[Web Dev Simplified](https://daily.dev/sources/wds)** · 32 min read · 4 upvotes · 0 comments ## Summary Error handling evolves from scattered try-catch blocks to a centralized service layer using the Result pattern. The tutorial demonstrates extracting business logic into reusable services, creating custom error types, and implementing type-safe error handling with discriminated unions. It covers building a custom Result type (returning either success or error) and using the Neverthrow library for more robust error management. The approach ensures compile-time safety by forcing developers to handle all possible error cases through TypeScript's type system, preventing dead code and unhandled errors. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#architecture](https://daily.dev/tags/architecture), [#typescript](https://daily.dev/tags/typescript), [#nextjs](https://daily.dev/tags/nextjs) [View this post on daily.dev](https://daily.dev/posts/how-to-handle-errors-like-a-senior-dev-nydm65aqm)