caml_sys.js

function caml_sys_getenv(s) {
  if (typeof process === "undefined" || process.env === undefined) {
    throw {
          RE_EXN_ID: "Not_found",
          Error: new Error()
        };
  }
  var x = process.env[s];
  if (x !== undefined) {
    return x;
  }
  throw {
        RE_EXN_ID: "Not_found",
        Error: new Error()
      };
}

var os_type = (function(_){
  if(typeof process !== 'undefined' && process.platform === 'win32'){
        return "Win32"    
  }
  else {
    return "Unix"
  }
});

function caml_sys_time(param) {
  if (typeof process === "undefined" || process.uptime === undefined) {
    return -1;
  } else {
    return process.uptime();
  }
}

function caml_sys_random_seed(param) {
  return [((Date.now() | 0) ^ 4294967295) * Math.random() | 0];
}

function caml_sys_system_command(_cmd) {
  return 127;
}

var caml_sys_getcwd = (function(param){
    if (typeof process === "undefined" || process.cwd === undefined){
      return "/"  
    }
    return process.cwd()
  });

function caml_sys_get_argv(param) {
  if (typeof process === "undefined") {
    return [
            "",
            [""]
          ];
  }
  var argv = process.argv;
  if (argv == null) {
    return [
            "",
            [""]
          ];
  } else {
    return [
            argv[0],
            argv
          ];
  }
}

function caml_sys_exit(exit_code) {
  if (typeof process !== "undefined") {
    return process.exit(exit_code);
  }
  
}

function caml_sys_is_directory(_s) {
  throw {
        RE_EXN_ID: "Failure",
        _1: "caml_sys_is_directory not implemented",
        Error: new Error()
      };
}

function caml_sys_file_exists(_s) {
  throw {
        RE_EXN_ID: "Failure",
        _1: "caml_sys_file_exists not implemented",
        Error: new Error()
      };
}

export {
  caml_sys_getenv ,
  caml_sys_time ,
  os_type ,
  caml_sys_random_seed ,
  caml_sys_system_command ,
  caml_sys_getcwd ,
  caml_sys_get_argv ,
  caml_sys_exit ,
  caml_sys_is_directory ,
  caml_sys_file_exists ,
  
}
/* No side effect */