set path=.,src
set suffixesadd=.js,.jsx,.scss

function! LoadMainNodeModule(fname)
  let nodeModules = "./node_modules/"
  let packageJsonPath = nodeModules . a:fname . "/package.json"

  if filereadable(packageJsonPath)
    return nodeModules . a:fname . "/" . json_decode(join(readfile(packageJsonPath))).main
  else
    return nodeModules . a:fname
  endif
endfunction

set includeexpr=LoadMainNodeModule(v:fname)