JQLite

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JQLite

JQLite - The query language for JSON

Created a simple query language in Typescript,

however this is not any replacement for existing tools, but a side/learning project.

Features:
- Basic query selection
- Fallback Mechanism
- Wildcard support
- Array Slices
- Multiple Key Selection
- Key Omission
- Single Key Omission
- Functions
- Comparison Operators
- Conditions
- Configurable

Here's an example to get the name of all the products which has a price greater than 1500

$.products[?(@.price > 1500)][*].name

Documentation site: https://jqlite.vercel.app/

GitHub: https://github.com/Jay-Karia/jqlite

NPM Package: https://www.npmjs.com/package/jqlite-ts

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edited

I prefer the native js/ts approach that is readable by humans and doesn't need an extra dependency:

const result = data.products
  .filter(p => p.price > 1500)
  .map(p => p.name);
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10

Forget the dependency, I don't want another language in my code.

 reply
2

There exists JSONPath

 reply
4

Yeah, but the implementations are really sparse. JQuery sucked all of the air out of the room.

I much prefer JSONPath, although it's a little rough in some areas where JSON's design doesn't align 1:1 with XML and XPath.

Do you use it? Is there a good CLI tool for it? Every few years I get mighty sick of jq and go looking for an alternative, and I haven't found a good JSONPath implementation yet.

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