---
title: "Discussion on \"Writing a Zero-Dependency JSONPath Evaluator and TypeScript Interface Inference Engine\" | Hashnode"
description: "Discussion on \"Writing a Zero-Dependency JSONPath Evaluator and TypeScript Interface Inference Engine\". Implementing RFC 9535-style JSONPath filter queries and polymorphic TypeScript interface inference from heterogeneous JSON arrays without using eval()."
url: "https://hashnode.com/posts/zero-dependency-jsonpath-evaluator-typescript-inference/6af3a6cb0cf112b3638ea27d"
---

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# [Writing a Zero-Dependency JSONPath Evaluator and TypeScript Interface Inference Engine](https://kivarotools.hashnode.dev/zero-dependency-jsonpath-evaluator-typescript-inference?utm_source=hashnode&utm_medium=feed)

Implementing RFC 9535-style JSONPath filter queries and polymorphic TypeScript interface inference from heterogeneous JSON arrays without using eval().

3d ago · 3 min read · kivarotools.hashnode.dev  
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-   [#software-engineering](https://hashnode.com/tag/software-engineering)
-   [#typescript](https://hashnode.com/tag/typescript)
-   [#json](https://hashnode.com/tag/json)
-   [#web-development](https://hashnode.com/tag/web-development)
-   [#compilers](https://hashnode.com/tag/compilers)

## Written by

[Muhammad Ahmad](https://hashnode.com/@muhammadahmadsandhu)

@muhammadahmadsandhu · Pakistan

  
[View profile](https://hashnode.com/@muhammadahmadsandhu)

Founder & Lead Software Architect @ KivaroTools | BS Computer Science | Full-Stack & Systems Engineer

Founder & Lead Software Architect @ KivaroTools | BS Computer Science | Full-Stack & Systems Engineer (TypeScript, Next.js, Python, Java, C++, WebAssembly) | Privacy-First Web & Financial Engines

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