Warning found: at tests/purs/warning/UnnecessaryFFIModule.purs:2:1 - 5:9 (line 2, column 1 - line 5, column 9) An unnecessary foreign module implementation was provided for module Main: tests/purs/warning/UnnecessaryFFIModule.js Module Main does not contain any foreign import declarations, so a foreign module is not necessary. See https://github.com/purescript/documentation/blob/master/errors/UnnecessaryFFIModule.md for more information, or to contribute content related to this warning.