edit-package-json v0.8.26

Install

This package is pure ESM. If you're not ready yet, install an older version of this program, 0.4.0 (npm i edit-package-json@0.4.0).

npm i edit-package-json

Quick Take

import { strict as assert } from "assert";

import { set, del } from "edit-package-json";

// edit JSON as string
assert.equal(
  set(
    `{
  "name": "test",
  "dependencies": {
    "ranges-apply": "^2.0.0",
    "string-left-right": "^2.3.30"
  },
  "devDependencies": {}
}`,
    "dependencies.ranges-apply", // path to amend
    "^3.2.2", // new value
  ),
  `{
  "name": "test",
  "dependencies": {
    "ranges-apply": "^3.2.2",
    "string-left-right": "^2.3.30"
  },
  "devDependencies": {}
}`,
);

// delete from JSON string
assert.equal(
  del(
    `{
  "name": "test",
  "dependencies": {
    "ranges-apply": "^2.0.0",
    "string-left-right": "^2.3.30"
  },
  "devDependencies": {}
}`,
    "devDependencies", // path to delete
  ),
  `{
  "name": "test",
  "dependencies": {
    "ranges-apply": "^2.0.0",
    "string-left-right": "^2.3.30"
  }
}`,
);

Documentation

Please visit codsen.com for a full description of the API.

Contributing

To report bugs or request features or assistance, raise an issue on GitHub.

Licence

MIT License.

Copyright © 2010-2025 Roy Revelt and other contributors.

Passes adapted .set() unit tests from https://github.com/mariocasciaro/object-path/blob/master/test.js, MIT Licence Copyright (c) 2015 Mario Casciaro