appendFileAsync
abstract fun appendFileAsync(data: String, options: FileHandleAppendFileAsyncOptions? = definedExternally): Promise<Void>(source)
abstract fun appendFileAsync(data: String, options: BufferEncoding? = definedExternally): Promise<Void>(source)
abstract fun appendFileAsync(data: Uint8Array<*>, options: FileHandleAppendFileAsyncOptions? = definedExternally): Promise<Void>(source)
abstract fun appendFileAsync(data: Uint8Array<*>, options: BufferEncoding? = definedExternally): Promise<Void>(source)
Alias of filehandle.writeFile().
When operating on file handles, the mode cannot be changed from what it was set to with fsPromises.open(). Therefore, this is equivalent to filehandle.writeFile().
Since
v10.0.0
Return
Fulfills with undefined upon success.