Class Preference

packages/desktop/src/main/preferences/index.ts:24–234

}

class Preference extends TypedEmitter<PreferenceEvents> {
  public readonly preferencesPath: string
  public readonly hasPreferencesFile: boolean
  // eslint-disable-next-line @typescript-eslint/no-explicit-any
  public readonly store: Store<any>
  public readonly staticPath: string

  /**
   * @param paths The path instance.
   *
   * NOTE: This throws an exception when validation fails.
   */
  constructor(paths: AppPaths) {
    // TODO: Preferences should not loaded if global.MARKTEXT_SAFE_MODE is set.
    super()

    const { preferencesPath } = paths
    this.preferencesPath = preferencesPath
    this.hasPreferencesFile = fs.existsSync(
      path.join(this.preferencesPath, `./${PREFERENCES_FILE_NAME}.json`)
    )
    this.store = new Store({
      // eslint-disable-next-line @typescript-eslint/no-explicit-any
      schema: schema as any,
      name: PREFERENCES_FILE_NAME,
      migrations: {
        '0.18.6': (store) => {
          if (store.get('startUpAction') === 'lastState') {
            store.set('startUpAction', 'openLastFolder')
          }
        }
      },
      beforeEachMigration: (_store, context) => {
        log.info(`Preferences migration: ${context.fromVersion} -> ${context.toVersion}`)
      }
    })

    this.staticPath = path.join(global.__static, 'preference.json')
    this.init()
  }

  init = (): void => {
    let defaultSettings: Record<string, unknown> | null = null
    try {
      defaultSettings = JSON.parse(fs.readFileSync(this.staticPath, { encoding: 'utf8' }) || '{}')

      // Set best theme on first application start.
      if (nativeTheme.shouldUseDarkColors) {
        defaultSettings!.theme = 'dark'
      }

      // Set system language on first application start
      if (!this.hasPreferencesFile) {
        const systemLanguage = this._getSystemLanguage()
        if (systemLanguage) {
          defaultSettings!.language = systemLanguage
        }
      }