Forum › General Inquiry › offline chromebook app?
And some notes about access to the local filesystem:
“Probably the easiest way for the pieces to interact would be HTTP, which you can trivially support using ExpressJS.”
Native File System
Draft Community Group Report, 5 May 2020
“The Native File System API (formerly known as the Writeable Files API) enables developers to build powerful web apps that interact with files on the user’s local device,”