jsonc-parse

npm install jsonc-parse

import { parse, parseFile, parseFileSync } from "jsonc-parse";

// From file async
const jsonCFile = await parseFile("./config.jsonc");

// From file
const jsonCFile = parseFileSync("./config.jsonc");

// From string
const jsonC = parse(`{
  "bar": "foo",
  // This is a comment.
  "foo": /* This is also a comment */ "bar",
}`);

import { strip } from "jsonc-parse/strip";

// or
import { strip } from "jsonc-parse";

const json = strip(`{
  "bar": "foo",
  // This is a comment.
  "foo": /* This is also a comment */ "bar",
}`);
JSON.parse(strip(json)); // { bar: "foo", foo: "bar" }