OptionalbackendsSelects which SANE backends to include or exclude.
OptionaldebugEnables debug messages for SANE function calls.
OptionaldebugEnables SANE low-level debug messages, this can be quite verbose.
OptionaldebugSets the number of test devices for SANE's test backend.
OptionaldebugEnables libusb low-level debug messages, this can be quite verbose.
OptionalpromisifyEnables sane-wasm "promisify" to normalize the API. See pre.js for more information.
OptionalpromisifyEnables sane-wasm "promisify" queue that queues function calls to prevent issues with calling multiple asynchronous functions. See pre.js for more information.
SANE Emscripten module options (specific to sane-wasm).