Class EditorBufferStore

packages/desktop/src/main/editorBufferStore/index.ts:30–235

type EditorBufferStoreEvents = Record<string, unknown[]>

class EditorBufferStore extends TypedEmitter<EditorBufferStoreEvents> {
  editorBufferStorePath: string
  bufferStores: Record<string, BufferStoreEntry> | null
  serviceName: string
  encryptKeys: string[]
  writeSequence: number

  constructor(paths: EditorBufferStorePaths) {
    super()

    const { editorBufferStorePath } = paths
    this.editorBufferStorePath = editorBufferStorePath
    // Object of paths to buffer stores. Buffer stores are NOT held in memory
    // for performance reasons — they are read from disk when needed and
    // written to disk when updated.
    this.bufferStores = null
    this.serviceName = 'marktext'
    this.encryptKeys = []
    this.writeSequence = 0

    this.init()
  }

  init(): void {
    if (!fs.existsSync(this.editorBufferStorePath)) {
      fs.mkdirSync(this.editorBufferStorePath, { recursive: true })
    }
    this._listenForIpcMain()
  }

  getAll(): Record<string, BufferStoreEntry> {
    return this.getAllBufferStores()
  }

  getAllBufferStores(): Record<string, BufferStoreEntry> {
    if (!this.bufferStores) {
      this.bufferStores = this.findEditorBufferStores(this.editorBufferStorePath)
    }

    return this.bufferStores
  }

  clearBufferStoresWithAllSaved(): void {
    this.bufferStores = this.getAllBufferStores()

    for (const id in this.bufferStores) {
      try {
        const buffer = this.readBufferStoreFile(this.bufferStores[id].filePath)
        const allSaved = buffer.tabs.every((file) => file.isSaved)
        if (buffer.tabs.length === 0 || allSaved) {
          try {
            fs.unlinkSync(this.bufferStores[id].filePath)
          } catch (e) {
            console.error('Failed to delete buffer store file during clear', e)
          }
        }
      } catch (e) {
        console.error('Failed to read buffer store file during clear', e)