message: Fix npm-pack command to use correct path
diff: @@ -4,11 +4,7 @@ use std::process::{Command, Stdio};
  pub const DEFAULT_NPM_REGISTRY: &'static str = "https://registry.npmjs.org/";
  pub fn npm_pack(path: &str) -> Result<(), Error> {
  - let pkg_file_path = format!("{}/pkg", path);
  - let output = Command::new("npm")
  - .current_dir(pkg_file_path)
  - .arg("pack")
  - .output()?;
  + let output = Command::new("npm").current_dir(path).arg("pack").output()?;
  if !output.status.success() {
  let s = String::from_utf8_lossy(&output.stderr);
  Error::cli("Packaging up your code failed", s)
  