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select-json-by-json v1.0.0

Declarative JSON projection engine for Node.js and Browser

GitHub 📦 CDN Bundle

Interactive JSON Projection Playground

Filter and reshape deep nested JSON structures and arrays using a declarative projection spec.

Source JSON
Projection Spec JSON true = keep field
Projected Result 

            


        


        
        

            
        


        
        


            
            

                
NPX (Local Install)

                
npx select-json-by-json

                
Copies the latest version dynamically from src/ into your project.

            


            
            

                
NPM Package

                
npm i select-json-by-json

                
Use import { selectJson } from "select-json-by-json" in any Node.js project.

            


            
            

                
CDN (Vite Bundle)

                
./dist/min.js

                
Under 1KB gzipped standalone ES module with zero runtime dependencies.