Method getOrCreate

src/mode/modeHandlerMap.ts:10–22

(editor: TextEditor)

  private modeHandlerMap = new Map<Uri, ModeHandler>();

  public async getOrCreate(editor: TextEditor): Promise<[ModeHandler, boolean]> {
    const editorId = editor.document.uri;

    let isNew = false;
    let modeHandler: ModeHandler | undefined = this.get(editorId);

    if (!modeHandler) {
      isNew = true;
      modeHandler = await ModeHandler.create(this, editor);
      this.modeHandlerMap.set(editorId, modeHandler);
    }
    return [modeHandler, isNew];
  }

  public get(uri: Uri): ModeHandler | undefined {
    return this.modeHandlerMap.get(uri);