How to Share data between a Jupyter Notebook (.ipynb file) and a custom JupyterLab extension?

Data sharing between jupyter notebook to custom typescript extension

How to Share data between a Jupyter Notebook (.ipynb file) and a custom JupyterLab extension?

Data sharing between jupyter notebook to custom typescript extension

How to Share data between a Jupyter Notebook (.ipynb file) and a custom JupyterLab extension?

Data sharing between jupyter notebook to custom typescript extension