Function modify

modify(callback, cwd?): Promise<void>
Enables modification of any part of the project's package.json file.
Parameters
- callback: ((json) => void | Promise<void>)
  - - (json): void | Promise<void>
    - Parameters
      json: Record<string, any>
      Returns void | Promise<void>
- Optional cwd: string
  override the working directory
Returns Promise<void>
Example
```
import { packageJson } from 'ember-apply';

await packageJson.modify(packageJson => {
  packageJson.volta = {
    node: '16.3.0'
  }
});
```
- Defined in -private/package-json/utils.js:258

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