Parse JSON with more helpful errors

JSON.parse with context information on error

A JS implementation of JSONPath with some additional operators

JSON parse with prototype poisoning protection

Define a data property on an object. Will fall back to assignment in an engine without descriptors.

Property to json

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.

Unicode property alias mappings in JavaScript format for property names that are supported in ECMAScript RegExp property escapes.

hast utility to check if a node has a property

Does the environment have full property descriptor support? Handles IE 8's broken defineProperty/gOPD.

Parse and stringify JSON with comments. It will retain comments even after saved!

Define a non-enumerable property on an object. Uses Reflect.defineProperty when available, otherwise Object.defineProperty.

`Object.defineProperty`, but not IE 8's broken one.

Scanner and parser for JSON with comments.

Info on the properties and attributes of the web platform

Define a lazily evaluated property on an object

json pointer - failsafe data retrieval from js and json objects

A package for detecting all duplicated property keys of a JSON string.

typescript-json-schema generates JSON Schema files from your Typescript sources