denoland/deno · error

No module URL provided

Error message

No module URL provided

What it means

Error "No module URL provided" thrown in denoland/deno.

Source

Thrown at cli/tools/installer/global.rs:346

  flags: Arc<Flags>,
  install_flags_global: InstallFlagsGlobal,
) -> Result<(), AnyError> {
  let cwd = resolve_cwd(flags.initial_cwd.as_deref())?;
  let install_dir =
    get_installer_bin_dir(&cwd, install_flags_global.root.as_deref())?;

  if let Ok(metadata) = fs::metadata(&install_dir) {
    if !metadata.is_dir() {
      return Err(anyhow!("Installation path is not a directory"));
    }
  } else {
    fs::create_dir_all(&install_dir)?;
  }

  let source_file = install_flags_global
    .module_urls
    .first()
    .ok_or_else(|| anyhow!("No module URL provided"))?
    .clone();

  // Determine the output path
  let output = if let Some(ref name) = install_flags_global.name {
    let mut output_path = install_dir.join(name);
    if cfg!(windows) {
      output_path = output_path.with_extension("exe");
    }
    output_path.to_string_lossy().into_owned()
  } else {
    format!("{}/", install_dir.to_string_lossy())
  };

  let output_path = PathBuf::from(&output);
  if output_path.is_file() {
    if !install_flags_global.force {
      return Err(anyhow!(
        "Existing installation found. Aborting (Use -f to overwrite).",

View on GitHub (pinned to 89f33cbef2)

When it happens

Trigger: Thrown at cli/tools/installer/global.rs:346 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of denoland/deno@89f33cbef2 (2026-08-16). Data as JSON: /api/errors/5dc29828c8a336d4. Report an issue: GitHub.