Contact [email protected]

ExplainerNone

Specificationhttps://github.com/WICG/file-system-access/pull/300

Summary

Allow returning a directory with both read and write permissions in a
single prompt for the File System Access API. Currently
showDirectoryPicker() always returns a read-only directory (after showing a
read access prompt), requiring a second permission prompt to get write
access. This double-prompt is a poor user experience and contributes to
confusion and permission fatigue among users.


Adds an optional "mode" option to DirectoryPickerOptions which can be
specified as "read" or "readwrite".


Blink componentBlink>Storage>FileSystem
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3EStorage%3EFileSystem>

TAG reviewWe did not seek a TAG review given the small scope of this
feature. This launch does not add any new capabilities, but merely provides
the browser with enough information to combine two permission prompts into
one.

TAG review statusN/A

Risks


Interoperability and Compatibility



*Gecko*: No signal

*WebKit*: No signal

*Web developers*: Strongly positive (
https://github.com/WICG/file-system-access/issues/89)

*Other signals*:

WebView application risks

Does this intent deprecate or change behavior of existing APIs, such that
it has potentially high risk for Android WebView-based applications?

No



Debuggability

N/A


Will this feature be supported on all six Blink platforms (Windows, Mac,
Linux, Chrome OS, Android, and Android WebView)?No - The File System Access
API is not supported on Android

Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?No

Flag name

Requires code in //chrome?False

Tracking bughttps://crbug.com/1115632

Launch bughttps://crbug.com/1213159

Estimated milestones

105


Anticipated spec changes

Open questions about a feature may be a source of future web compat or
interop issues. Please list open issues (e.g. links to known github issues
in the project for the feature specification) whose resolution may
introduce web compat/interop risk (e.g., changing to naming or structure of
the API in a non-backward-compatible way).


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/6383970247770112

This intent message was generated by Chrome Platform Status
<https://chromestatus.com/>.

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