What is thinkagain?

mbroadst/thinkagain — explained in plain English

Analysis updated 2026-08-03 · repo last pushed 2018-02-19

★ 30JavaScriptAudience · developerComplexity · 2/5DormantSetup · moderate

Mindmap

mindmap
  root((repo))
    What it does
      Validates data using JSON Schema
      Translates schema to database operations
      Enforces rules on save and retrieve
    Tech stack
      Node.js
      JavaScript
      RethinkDB
    Use cases
      Validate e-commerce product data
      Enforce required fields
      Prevent invalid data in database
    Audience
      Node.js developers
      Teams using RethinkDB
      Apps needing data integrity

mindmap root((repo)) What it does Validates data using JSON Schema Translates schema to database operations Enforces rules on save and retrieve Tech stack Node.js JavaScript RethinkDB Use cases Validate e-commerce product data Enforce required fields Prevent invalid data in database Audience Node.js developers Teams using RethinkDB Apps needing data integrity

What do people build with it?

USE CASE 1

Define and enforce product data rules like required name and positive price in an e-commerce app.

USE CASE 2

Automatically validate incoming data before it reaches your RethinkDB database.

USE CASE 3

Reduce repetitive validation code by defining data shapes once with JSON Schema.

What is it built with?

Node.jsJavaScriptRethinkDBJSON Schema

How does it compare?

	mbroadst/thinkagain	brainjs/brainjsreactnative	canfeng6666/tbh-dropmonitor
Stars	30	30	30
Language	JavaScript	JavaScript	JavaScript
Last pushed	2018-02-19	2018-12-09	—
Maintenance	Dormant	Dormant	—
Setup difficulty	moderate	moderate	—
Complexity	2/5	2/5	—
Audience	developer	developer	general

Figures from each repo's GitHub metadata at analysis time.

How do you get it running?

Difficulty · moderate Time to first run · 30min

Requires a running RethinkDB instance to connect to, which may need Docker or a separate server setup.

The explanation does not mention a license, so the terms of use are unclear.

So what is it?

ThinkAgain is a toolkit for Node.js developers that helps them interact with a database called RethinkDB. Instead of writing raw database commands, developers define what their data should look like using a clear format called JSON Schema, and this tool takes care of translating that structure into database operations. At a high level, it acts as a bridge between the application and the database. Developers specify the shape of their data, such as which fields are required, what type of values are allowed, and any specific rules the data must follow. The tool then enforces these rules when saving or retrieving information, ensuring that bad data does not make it into the database. This would be useful for developers building applications where data integrity is important but they want to avoid writing repetitive validation code. For example, a team building an e-commerce platform could use it to define that every product must have a name, a price greater than zero, and a valid category. Any attempt to save a product missing one of those fields would be caught before it reaches the database. The README does not go into detail about the specific technical implementation or additional features beyond the core functionality described. It is a lightweight library designed to simplify database interactions for teams already using RethinkDB and JavaScript.

Copy-paste prompts

Prompt 1

Using the ThinkAgain Node.js library with RethinkDB, write a JSON Schema for a product with a required name, a price greater than zero, and a category field, then show me how to save a valid product.

Prompt 2

How do I set up ThinkAgain to connect to my RethinkDB instance and validate data using a JSON Schema in a Node.js application?

Prompt 3

Show me an example of ThinkAgain catching and rejecting an invalid database insert where a required field is missing, and explain how to handle that error.

Frequently asked questions