Comments (4)
If it is a copy or a pointer should be unobservable, as long as the "snapshot state" behavior is such that if the file changes the File object becomes unreadable (which I think is the only reasonable behavior).
But yes, the File API spec is missing the necessary hooks to properly specify this snapshotting behavior (which doesn't just effect this spec, but also things like IndexedDB). It is still somewhere down on my todo list to try to fix that...
from fs.
The concept of "snapshot state" also has some fraught edge cases if I remember correctly as it's not something file systems offer, but I agree that it's overall not a big issue. At least in practice.
from fs.
I think I may be experiencing one of these edge cases, which results in different behavior depending on the operating system.
Some context: I'm using getFile()
to read a file called status.txt
on an Accu-chek Smart Pix reader. This is a device that talks to a glucose meter, and when it gets data from the glucose meter, it updates status.txt
. On Linux, when status.txt
changes, I see the changes when I call getFile()
. On Windows and MacOS, it still shows the stale data.
I suspect this may be because lastModified
changes on Linux, but not on Windows or MacOS.
from fs.
That sounds right. That is a good argument for attempting to find a better fix.
from fs.
Related Issues (20)
- proposals/MultipleReadersWriters.md
- File and Directory Watch Functionality for the FileSystem API HOT 1
- Clarify behavior of `createWritable()` when the corresponding file does not exist HOT 1
- Add a `FileSystemHandle.create()` method to create self
- Define File's type better (getFile()) HOT 6
- Define the Bucket File System in terms of the Storage spec
- Why is WirteParams's data both optional and nullable?
- Editorial: string formatting
- Support locking of directory entries
- Require taking a lock to remove an entry HOT 1
- FYI: TPAC 2023 WICG breakout session
- Temporary directories/files HOT 2
- New Modes of Creating a FileSystemWritableFileStream HOT 3
- No explicit file lock release when `write()` throws an exception HOT 3
- Origin Private File System – identification of buckets (similarly to FAS API showSaveFilePicker) HOT 3
- Using F_FULLFSYNC for flush() causing slow performance on Mac HOT 1
- Add a FileSystemFileHandle copy method
- Hyuuhhh
- POSIX style path access for OPFS
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from fs.