/usr/usr/bin/wasmdeployqt6

Detected locale "C" with character encoding "ANSI_X3.4-1968", which is not UTF-8.
Qt depends on a UTF-8 locale, and has switched to "C.UTF-8" instead.
If this causes problems, reconfigure your locale. See the locale(1) manual
for more information.
Usage: /usr/usr/bin/wasmdeployqt6 [options] app
Qt for WebAssembly deployment tool

Example:
wasmdeployqt app.wasm --qml-root-path=repo/myapp --qt-wasm-dir=/home/user/qt/shared-qt-wasm/bin

Options:
  -h, --help             Displays help on commandline options.
  --help-all             Displays help, including generic Qt options.
  --lib-path <paths>     Colon-separated list of library directories.
  --qt-wasm-dir <dir>    Path to the Qt for WebAssembly directory.
  --qt-host-dir <dir>    Path to the Qt host directory.
  --qml-root-path <dir>  Root directory for QML files.

Arguments:
  app                    Path to the application.