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Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
Summary
The FileHandle interface provides access in read or write mode to a file, dealing with all the necessary locks.
As FileHandle objects are bound to a fake file system built on top of IndexedDB, such an object is created using the IDBDatabase.mozCreateFileHandle method.
Properties
FileHandle.nameRead only- The name of the handled file.
FileHandle.typeRead only- The mime type of the handled file.
Events Handler
FileHandle.onabort- The
abortevent is triggered each time the handled file is aborted. FileHandle.onerror- The
errorevent is triggered each time something goes wrong.
Methods
FileHandle.open()- Returns a
LockedFileobject to read or write the associated file safely. FileHandle.getFile()- Returns a
DOMRequestobject. In case of success, the request's result is aFileobject representing a snapshot of the handled file.
Specifications
| Specification | Status | Comment |
|---|---|---|
| FileSystem API | Editor's Draft | Draft proposal. |