Error handling in Go can become chaotic as codebases grow, leading to inconsistent error messages and difficulty identifying the root cause of issues. To address this, a new error framework was created using structured, centralized codes with namespace tags to make errors meaningful and traceable. Errors in Go are treated as values, allowing flexibility in error handling strategies. Common patterns include creating standard errors, exporting constants, defining custom error types, and using interfaces. Challenges such as scattered error declarations, arbitrary wrapping, and improper handling were overcome by centralizing error declaration, standardizing formats, and categorizing errors for effective monitoring. The centralized error framework includes core packages and types for error handling across different layers of the application, ensuring clarity, organization, and traceability in error handling.
https://olivernguyen.io/w/namespace.error/