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https://github.com/codebytere/node-mac-userdefaults

A native Node.js module that provides an interface to the user’s defaults database on macOS.
https://github.com/codebytere/node-mac-userdefaults

electronjs macos node-addon nodejs nsuserdefaults userdefaults

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A native Node.js module that provides an interface to the user’s defaults database on macOS.

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# node-mac-userdefaults

```js
$ npm i node-mac-userdefaults
```

This native Node.js module provides an interface to the user’s defaults database on macOS.

## API

### `defaults.getAllDefaults([domain])`

* `domain` String (optional) - The domain identifier for an `NSUserDefaults` suite.

Returns `Record` - An object containing all currently set defaults and their values for the current user.

Example:
```js
const { getAllDefaults } = require('node-mac-userdefaults')

const allDefaults = getAllDefaults()

console.log(allDefaults)
/*
{
'com.apple.springing.enabled': 1,
'Brother MFC-J985DW': '1',
'com.apple.trackpad.enableSecondaryClick': 1,
'HP DeskJet 2600 series': '1',
'com.apple.trackpad.rotateGesture': 1,
NSNavPanelFileListModeForOpenMode2: 3,
Country: 'US',
'com.apple.preferences.timezone.selected_city': {
AppleMapID: '\x1Dq\x13\x13u\x1C\x19'
},
'Brother MFC-L9570CDW series': '1',
WebAutomaticSpellingCorrectionEnabled: 1,
'com.apple.trackpad.momentumScroll': 1,
AKLastIDMSEnvironment: 0,
'Hewlett Packard MFP M477fdn': '1',
NSAutomaticTextCompletionCollapsed: 0,
'com.apple.trackpad.fourFingerPinchSwipeGesture': 2,
AppleShowAllExtensions: 1,
'com.apple.trackpad.threeFingerTapGesture': 0,
NSQuitAlwaysKeepsWindows: 0,
'com.apple.trackpad.fourFingerVertSwipeGesture': 2,
NSLinguisticDataAssetsRequestTime: '2020-06-10 00:57:28 +0000',
NSAutomaticPeriodSubstitutionEnabled: 1,
'com.apple.springing.delay': 0,
'HP ENVY 5000 series': '1',
'com.apple.sound.beep.flash': 0,
AppleShowScrollBars: 'Automatic',
...
*/
```

### `defaults.getUserDefault(type, key[, domain])`

* `key` String - The `NSUserDefault` to fetch, e.g `AppleInterfaceStyle`.
* `type` String - Can be one of `string`, `boolean`, `integer`, `float`, `double`,
`url`, `array` or `dictionary`.
* `domain` String (optional) - The domain identifier for an `NSUserDefaults` suite.

Returns `any` - The value of `key` in `NSUserDefaults` of type `type`.

Example:
```js
const { getUserDefault } = require('node-mac-userdefaults')

const interfaceStyle = getUserDefault('AppleInterfaceStyle', 'string')

console.log(interfaceStyle) // 'Dark'
```

### `defaults.setUserDefault(type, key, value[, domain])`

* `type` String - Can be `string`, `boolean`, `integer`, `float`, `double`, `url`, `array` or `dictionary`.
* `key` String - The `NSUserDefault` to update, e.g `AppleInterfaceStyle`.
* `value` any - The new value to set for `key`; must match type of `type`.
* `domain` String (optional) - The domain identifier for an `NSUserDefaults` suite.

Sets the value of `key` in `NSUserDefaults`.

Example:
```js
const { setUserDefault } = require('node-mac-userdefaults')

setUserDefault('boolean', 'ApplePressAndHoldEnabled', true)
```

Note: `NSGlobalDomain` is an invalid domain name because it isn't writeable by apps.

### `defaults.removeUserDefault(key[, domain])`

* `key` String - The `NSUserDefault` to remove, e.g `AppleInterfaceStyle`.
* `domain` String (optional) - The domain identifier for an `NSUserDefaults` suite.

Removes the `key` in `NSUserDefaults`.

This can be used to restore the default or global value of a `key` previously set with `setUserDefault`.

Example:
```js
const { removeUserDefault } = require('node-mac-userdefaults')

removeUserDefault('ApplePressAndHoldEnabled')
```

Note: `NSGlobalDomain` is an invalid domain name because it isn't writeable by apps.

### `defaults.isKeyManaged(key[, domain])`

* `key` String - The `NSUserDefault` to check, e.g `AppleInterfaceStyle`.
* `domain` String (optional) - The domain identifier for an `NSUserDefaults` suite.

Returns a Boolean value indicating whether the specified key is managed by an administrator.

Example:
```js
const { isKeyManaged } = require('node-mac-userdefaults')

const managed = isKeyManaged('ApplePressAndHoldEnabled')

console.log(managed) // false
```

### `defaults.addDomain(name)`

* `name` String - The name of the domain to insert into the user’s domain hierarchy.

Inserts the specified domain name into the user’s domain hierarchy.

Example:
```js
const { addDomain } = require('node-mac-userdefaults')

addDomain('DomainForMyApp')
```

### `defaults.removeDomain(name)`

* `name` String - The name of the domain to remove from the user’s domain hierarchy.

Removed the specified domain name into the user’s domain hierarchy.

Example:
```js
const { removeDomain } = require('node-mac-userdefaults')

removeDomain('DomainForMyApp')
```

Note: Passing `NSGlobalDomain` is unsupported.

## FAQ

### What are domains?

The `NSUserDefaults` database consists of a hierarchy of domains. Whenever you read the value for a given key, `NSUserDefaults` traverses this hierarchy from top to bottom and returns the first value it finds. These domains can be either persistent (stored on disk) or volatile (only valid for the lifetime of the `NSUserDefaults` instance).

| Domain Name | Description | State |
|---|---|---|
| `NSArgumentDomain` | The domain consisting of defaults parsed from the application’s arguments | volatile |
| `NSGlobalDomain` | The domain consisting of defaults meant to be seen by all applications | persistent |
| `NSRegistrationDomain` | The domain consisting of a set of temporary defaults whose values can be set by the application to ensure that searches will always be successful | volatile |

You can also specify custom domains to store a set of preferences.