perfect-json-parser

A parser that allows editing while maintaining the structure of json.

• support
• support order retenation ( minimal change )
• support comment (jsonc)

[!WARNING] unsupport json5

Usage

import { parse } from "jsr:@gunseikpaseri/perfect-json-parser";

const jsonFile = `
{
  "hoge": "fuga"
}
`;

const parsed = parse(jsonFile);

parsed.edit(["hoge"], "piyo");

const editedJson = parsed.stringify();

console.log(editedJson);
//{
//  "hoge": "piyo"
//}

Internals

chevrotain is used for parsing. Syntax diagram can be seen from json_sytax_diagram.html