fix(cli/installer): allow remote import maps (#10499)

cli/tools/installer.rs

@@ -144,6 +144,26 @@ pub fn infer_name_from_url(url: &Url) -> Option<String> {
   Some(stem)
 }
 
+/// Get a valid URL from the provided value.
+/// When the provided value is a URL with 'http(s)' scheme,
+/// it ensures it is valid by parsing it and if not, it will
+/// construct a URL of 'file' scheme from the provided value.
+fn get_valid_url(module_url: &str) -> Result<Url, AnyError> {
+  if is_remote_url(module_url) {
+    Ok(Url::parse(module_url).expect("Should be valid url"))
+  } else {
+    let module_path = PathBuf::from(module_url);
+    let module_path = if module_path.is_absolute() {
+      module_path
+    } else {
+      let cwd = env::current_dir()
+        .context("Failed to get current working directory")?;
+      cwd.join(module_path)
+    };
+    Ok(Url::from_file_path(module_path).expect("Path should be absolute"))
+  }
+}
+
 pub fn install(
   flags: Flags,
   module_url: &str,
@@ -169,19 +189,7 @@ pub fn install(
   };
 
   // Check if module_url is remote
-  let module_url = if is_remote_url(module_url) {
-    Url::parse(module_url).expect("Should be valid url")
-  } else {
-    let module_path = PathBuf::from(module_url);
-    let module_path = if module_path.is_absolute() {
-      module_path
-    } else {
-      let cwd = env::current_dir()
-        .context("Failed to get current working directory")?;
-      cwd.join(module_path)
-    };
-    Url::from_file_path(module_path).expect("Path should be absolute")
-  };
+  let module_url = get_valid_url(module_url)?;
 
   let name = name.or_else(|| infer_name_from_url(&module_url));
 
@@ -271,11 +279,9 @@ pub fn install(
   }
 
   if let Some(import_map_path) = flags.import_map_path {
-    let mut copy_path = file_path.clone();
-    copy_path.set_extension("import_map.json");
+    let import_map_url = get_valid_url(&import_map_path)?;
     executable_args.push("--import-map".to_string());
-    executable_args.push(copy_path.to_str().unwrap().to_string());
-    extra_files.push((copy_path, fs::read_to_string(import_map_path)?));
+    executable_args.push(import_map_url.to_string());
   }
 
   if let Some(config_path) = flags.config_path {
@@ -872,4 +878,49 @@ mod tests {
     let status = Command::new(file_path).spawn().unwrap().wait().unwrap();
     assert!(status.success());
   }
+
+  #[test]
+  fn install_with_import_map() {
+    let temp_dir = TempDir::new().expect("tempdir fail");
+    let bin_dir = temp_dir.path().join("bin");
+    let import_map_path = temp_dir.path().join("import_map.json");
+    let import_map_url = Url::from_file_path(&import_map_path).unwrap();
+    let import_map = "{ \"imports\": {} }";
+    let mut import_map_file = File::create(&import_map_path).unwrap();
+    let result = import_map_file.write_all(import_map.as_bytes());
+    assert!(result.is_ok());
+
+    let result = install(
+      Flags {
+        import_map_path: Some(import_map_path.to_string_lossy().to_string()),
+        ..Flags::default()
+      },
+      "http://localhost:4545/cli/tests/cat.ts",
+      vec![],
+      Some("echo_test".to_string()),
+      Some(temp_dir.path().to_path_buf()),
+      true,
+    );
+    assert!(result.is_ok());
+
+    let mut file_path = bin_dir.join("echo_test");
+    if cfg!(windows) {
+      file_path = file_path.with_extension("cmd");
+    }
+    assert!(file_path.exists());
+
+    let mut expected_string = format!(
+      "--import-map '{}' 'http://localhost:4545/cli/tests/cat.ts'",
+      import_map_url.to_string()
+    );
+    if cfg!(windows) {
+      expected_string = format!(
+        "\"--import-map\" \"{}\" \"http://localhost:4545/cli/tests/cat.ts\"",
+        import_map_url.to_string()
+      );
+    }
+
+    let content = fs::read_to_string(file_path).unwrap();
+    assert!(content.contains(&expected_string));
+  }
 }