sketch-module-user-preferences/index.js

A sketch module to manage a plugin's user preferences

const SUITE_PREFIX = 'plugin.sketch.'

function isPresent (data) {
  return data != null
}

module.exports = {
  getUserPreferences: function (pluginName, defaultPrefs) {
    var prefs = {}
    var store = NSUserDefaults.alloc().initWithSuiteName(SUITE_PREFIX + pluginName)
    Object.keys(defaultPrefs).forEach(function (k) {
      if (typeof defaultPrefs[k] === 'boolean') {
        prefs[k] = isPresent(store.boolForKey(k)) ? Boolean(store.boolForKey(k)) : defaultPrefs[k]
      } else if (typeof defaultPrefs[k] === 'number') {
        prefs[k] = isPresent(store.doubleForKey(k)) ? store.doubleForKey(k) : defaultPrefs[k]
      } else if (typeof defaultPrefs[k] === 'string') {
        prefs[k] = isPresent(store.stringForKey(k)) ? '' + store.stringForKey(k) : defaultPrefs[k]
      } else if (Array.isArray(defaultPrefs[k])) {
        prefs[k] = store.arrayForKey(k) || defaultPrefs[k]
      } else {
        prefs[k] = store.dictionaryForKey(k) || defaultPrefs[k]
      }
    })
    return prefs
  },
  setUserPreferences: function (pluginName, prefs) {
    var store = NSUserDefaults.alloc().initWithSuiteName(SUITE_PREFIX + pluginName)
    Object.keys(prefs).forEach(function (k) {
      if (typeof prefs[k] === 'boolean') {
        store.setBool_forKey(prefs[k], k)
      } else if (typeof prefs[k] === 'number') {
        store.setDouble_forKey(prefs[k], k)
      } else {
        store.setObject_forKey(prefs[k], k)
      }
    })
    store.synchronize()
  }
}