DEV Community

Cover image for Episode 9: Building a JSON API - Filter/search
Nathan Bland
Nathan Bland

Posted on


Episode 9: Building a JSON API - Filter/search

Picking up where we left off last time, we are now going to enable our express API to be filtered/searched on. Once on an explicit property, and another on a dynamic property.

If you'd like, drop a comment with something else you'd like to see this series cover, or if you disagree with how I've demonstrated something. Thanks for watching!

Source code:

GitHub logo NathanBland / core

Repository for the "core" video series


An express.js powered json api built for the "core" series.

Getting started

$ git clone
$ cd core
$ docker-compose up

Top comments (0)

11 Tips That Make You a Better Typescript Programmer


1 Think in {Set}

Type is an everyday concept to programmers, but it’s surprisingly difficult to define it succinctly. I find it helpful to use Set as a conceptual model instead.

#2 Understand declared type and narrowed type

One extremely powerful typescript feature is automatic type narrowing based on control flow. This means a variable has two types associated with it at any specific point of code location: a declaration type and a narrowed type.

#3 Use discriminated union instead of optional fields


Read the whole post now!