Method buildLibraryWatcher

server/Watcher.js:53–102

* * @param {import('./models/Library')} library

(library)

   * @param {import('./models/Library')} library
   */
  buildLibraryWatcher(library) {
    if (this.libraryWatchers.find((w) => w.id === library.id)) {
      Logger.warn('[Watcher] Already watching library', library.name)
      return
    }
    Logger.info(`[Watcher] Initializing watcher for "${library.name}".`)

    const folderPaths = library.libraryFolders.map((f) => f.path)
    folderPaths.forEach((fp) => {
      Logger.debug(`[Watcher] Init watcher for library folder path "${fp}"`)
    })
    const watcher = new Watcher(folderPaths, {
      ignored: /(^|[\/\\])\../, // ignore dotfiles
      renameDetection: true,
      renameTimeout: 2000,
      recursive: true,
      ignoreInitial: true,
      persistent: true
    })
    watcher
      .on('add', (path) => {
        this.onFileAdded(library.id, filePathToPOSIX(path))
      })
      .on('change', (path) => {
        // This is triggered from metadata changes, not what we want
      })
      .on('unlink', (path) => {
        this.onFileRemoved(library.id, filePathToPOSIX(path))
      })
      .on('rename', (path, pathNext) => {
        this.onFileRename(library.id, filePathToPOSIX(path), filePathToPOSIX(pathNext))
      })
      .on('error', (error) => {
        Logger.error(`[Watcher] ${error}`)
      })
      .on('ready', () => {
        Logger.info(`[Watcher] "${library.name}" Ready`)
      })
      .on('close', () => {
        Logger.debug(`[Watcher] "${library.name}" Closed`)
      })

    this.libraryWatchers.push({
      id: library.id,
      name: library.name,
      libraryFolders: library.libraryFolders,
      paths: folderPaths,
      watcher
    })
  }

  /**
   *