filename or {FileHandle}
Optional options: "fs".WriteFileOptionsAsynchronously append data to a file, creating the file if it does not yet
exist. data can be a string or a Buffer.
If options is a string, then it specifies the encoding.
The mode option only affects the newly created file. See fs.open() for more details.
The path may be specified as a FileHandle that has been opened
for appending (using fsPromises.open()).
v0.0.67
Fulfills with undefined upon success.
filename or {FileHandle}
Optional options: "fs".WriteFileOptionsGenerated using TypeDoc
Asynchronously append data to a file, creating the file if it does not yet exist.
datacan be a string or aBuffer.If
optionsis a string, then it specifies theencoding.The
modeoption only affects the newly created file. Seefs.open()for more details.The
pathmay be specified as aFileHandlethat has been opened for appending (usingfsPromises.open()).Since
v0.0.67
Returns
Fulfills with
undefinedupon success.