Perfect for CLI application user preferences
Out of the box 📦
- No configuration needed ❌⚙️
- Everything is configurable ✅⚙️
- Human-readable 🤓 or encrypted 🔐
$ npm install --save dotpref
$ yarn add dotpref
Out of the box simple key/value store.
import Pref from 'dotpref';
Pref.set('foo', 'bar');
console.log(Pref.get('foo'));
//=> 'bar'
Pref.set('foo', { bar: 'baz' });
console.log(Pref.get('foo'));
//=> '{ bar: "baz" } 'The default export of the dotpref module is a singleton instance with a default configuration.
import Pref from 'dotpref';Creates a custom instance of dotpref with custom configuration. This method can be used if you need multiple configurations.
import { createPref } from 'dotpref';Type: (key: string) => string
Get the value assigned to key in the state.
Type: (key: string, value: string) => void
Set the value of key in the state. The value must serializable by the instance's serializer. For example, using the default serializer (JSON), setting a value of type undefined, function, or symbol will result in a TypeError.
Type: (key: string) => void
Reset the value assigned to key to the default state.
Type: () => void
Explicitly write to disk.
Type: () => void
Explicitly read from disk to state.
Type: readonly string
Readonly absolute path to the preference file stored on disk. This property will exist even if the preference file does not.
Type: state
An object specifying the default values of the preference state. If preferences are found, they will override the defaults in the state. If no preferences are found, defaults will be used – state will not be written to disk upon creation. Default: {}.
Type: string
The name of your project. This value will be used to build the filePath of the preference file stored on disk. Default: the name property of your package.json.
Type: string
The filename of the preference file stored on disk. Default: config.pref
Type: string
Absolute path determining where the preferences should be stored on disk. Default: <system config>/<name> where <system config> is the User's default system config path and <name> is the name property configuration property;
Type: state => string
A function that specifies how the state should be serialized when written to disk. Default: JSON.stringify.
Type: string => state
The reverse of serializer. A function that specifies how the state should be deserialized when read from disk. Default: JSON.parse.
Type: string => string
A function that specifies how the state should be encrypted. Default: getDefaultCrypto.encrypt.
Type: string => string
A function that specifies how the state should be decrypted. Default: getDefaultCrypto.decrypt.
Type: (state, key, value) => void
A function that takes the existing state, the key, and the value and returns a new state to be saved to disk. The state will be saved to disk if the equality function returns false. Default: (state, key, value) => { ...state, [key]: value }.
Type: (state, key) => value
Reverse of setter. A function that takes the existing state and the key and returns the value. Default: (state, key) => state[key].
Type: boolean | (state, newState) => boolean
Determines the equality of the old state and the new state. This method is used to determine if the state has changed since the last write. If set to true the state will write to disk on every set. When set to false the state will never write to disk on set and therefore must explicitly be written via write.
For each OS below <home> is calculated using NodeJS' os.homedir().
- macOS:
<home>/Library/Preferences/<name> - Windows:
<home>/AppData/Roaming/<name>/Config - Linux:
<home>/.config/<name>or$XDG_CONFIG_HOME/<name>
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