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Cover image for Episode 11: Building a JSON API - Input Validation and Sanitation - Part 2
Nathan Bland
Nathan Bland

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Episode 11: Building a JSON API - Input Validation and Sanitation - Part 2

Input validation and sanitation, mostly sanitation. Finishing up the Read route, then continuing on to Update, and Delete.

There is still more to cover, in particular the item validations, but given that is a dynamic object almost entirely, almost all we could do is escape the values that are passed to it. Does it deserve its own episode? Let me know.

Thanks for watching!

Source code:

GitHub logo NathanBland / core

Repository for the "core" video series

core

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

Getting started

$ git clone git@github.com:NathanBland/core.git
$ cd core
$ docker-compose up



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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

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#3 Use discriminated union instead of optional fields

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