pub fn build(
  graph: ModuleGraph,
  output_dir: &Path,
  original_import_map: Option<&ImportMap>,
  environment: &impl VendorEnvironment,
) -> Result<usize, AnyError> {
  assert!(output_dir.is_absolute());
  let output_dir_specifier =
    ModuleSpecifier::from_directory_path(output_dir).unwrap();

  if let Some(original_im) = &original_import_map {
    validate_original_import_map(original_im, &output_dir_specifier)?;
  }

  // build the graph
  graph.lock()?;
  graph.valid()?;

  // figure out how to map remote modules to local
  let all_modules = graph.modules();
  let remote_modules = all_modules
    .iter()
    .filter(|m| is_remote_specifier(&m.specifier))
    .copied()
    .collect::<Vec<_>>();
  let mappings =
    Mappings::from_remote_modules(&graph, &remote_modules, output_dir)?;

  // write out all the files
  for module in &remote_modules {
    let source = match &module.maybe_source {
      Some(source) => source,
      None => continue,
    };
    let local_path = mappings
      .proxied_path(&module.specifier)
      .unwrap_or_else(|| mappings.local_path(&module.specifier));
    if !matches!(module.kind, ModuleKind::Esm | ModuleKind::Asserted) {
      log::warn!(
        "Unsupported module kind {:?} for {}",
        module.kind,
        module.specifier
      );
      continue;
    }
    environment.create_dir_all(local_path.parent().unwrap())?;
    environment.write_file(&local_path, source)?;
  }

  // write out the proxies
  for (specifier, proxied_module) in mappings.proxied_modules() {
    let proxy_path = mappings.local_path(specifier);
    let module = graph.get(specifier).unwrap();
    let text = build_proxy_module_source(module, proxied_module);

    environment.write_file(&proxy_path, &text)?;
  }

  // create the import map if necessary
  if !remote_modules.is_empty() {
    let import_map_path = output_dir.join("import_map.json");
    let import_map_text = build_import_map(
      &output_dir_specifier,
      &graph,
      &all_modules,
      &mappings,
      original_import_map,
    );
    environment.write_file(&import_map_path, &import_map_text)?;
  }

  Ok(remote_modules.len())
}
/// Vendors remote modules and returns how many were vendored.
Vendors remote modules and returns how many were vendored.
Vendors remote modules and returns how many were vendored .
pub fn build(
  graph: ModuleGraph,
  output_dir: &Path,
  original_import_map: Option<&ImportMap>,
  environment: &impl VendorEnvironment,
) -> Result<usize, AnyError> {
  assert!(output_dir.is_absolute());
  let output_dir_specifier =
    ModuleSpecifier::from_directory_path(output_dir).unwrap();
  if let Some(original_im) = &original_import_map {
    validate_original_import_map(original_im, &output_dir_specifier)?;
  }
  // build the graph
  graph.lock()?;
  graph.valid()?;
  // figure out how to map remote modules to local
  let all_modules = graph.modules();
  let remote_modules = all_modules
    .iter()
    .filter(|m| is_remote_specifier(&m.specifier))
    .copied()
    .collect::<Vec<_>>();
  let mappings =
    Mappings::from_remote_modules(&graph, &remote_modules, output_dir)?;
  // write out all the files
  for module in &remote_modules {
    let source = match &module.maybe_source {
      Some(source) => source,
      None => continue,
    };
    let local_path = mappings
      .proxied_path(&module.specifier)
      .unwrap_or_else(|| mappings.local_path(&module.specifier));
    if !matches!(module.kind, ModuleKind::Esm | ModuleKind::Asserted) {
      log::warn!(
        "Unsupported module kind {:?} for {}",
        module.kind,
        module.specifier
      );
      continue;
    }
    environment.create_dir_all(local_path.parent().unwrap())?;
    environment.write_file(&local_path, source)?;
  }
  // write out the proxies
  for (specifier, proxied_module) in mappings.proxied_modules() {
    let proxy_path = mappings.local_path(specifier);
    let module = graph.get(specifier).unwrap();
    let text = build_proxy_module_source(module, proxied_module);
    environment.write_file(&proxy_path, &text)?;
  }
  // create the import map if necessary
  if !remote_modules.is_empty() {
    let import_map_path = output_dir.join("import_map.json");
    let import_map_text = build_import_map(
      &output_dir_specifier,
      &graph,
      &all_modules,
      &mappings,
      original_import_map,
    );
    environment.write_file(&import_map_path, &import_map_text)?;
  }
  Ok(remote_modules.len())
}
pub fn build ( graph : ModuleGraph , output_dir : & Path , original_import_map : Option < & ImportMap > , environment : & impl VendorEnvironment , ) -> Result < usize , AnyError > { assert ! ( output_dir is_absolute ( ) ) ; let output_dir_specifier = ModuleSpecifier :: from_directory_path ( output_dir ) . unwrap ( ) ; if let Some ( original_im ) = & original_import_map { validate_original_import_map ( original_im , & output_dir_specifier ) ? ; } // build the graph graph . lock ( ) ? ; graph . valid ( ) ? ; // figure out how to map remote modules to local let all_modules = graph . modules ( ) ; let remote_modules = all_modules . iter ( ) . filter ( | m | is_remote_specifier ( & m . specifier ) ) . copied ( ) . collect :: < Vec < _ > > ( ) ; let mappings = Mappings :: from_remote_modules ( & graph , & remote_modules , output_dir ) ? ; // write out all the files for module in & remote_modules { let source = match & module . maybe_source { Some ( source ) => source , None => continue , } ; let local_path = mappings . proxied_path ( & module . specifier ) . unwrap_or_else ( | | mappings . local_path ( & module . specifier ) ) ; if ! matches ! ( module kind ModuleKind Esm ModuleKind Asserted ) { log :: warn ! ( " " module kind module specifier ) ; continue ; } environment . create_dir_all ( local_path . parent ( ) . unwrap ( ) ) ? ; environment . write_file ( & local_path , source ) ? ; } // write out the proxies for ( specifier , proxied_module ) in mappings . proxied_modules ( ) { let proxy_path = mappings . local_path ( specifier ) ; let module = graph . get ( specifier ) . unwrap ( ) ; let text = build_proxy_module_source ( module , proxied_module ) ; environment . write_file ( & proxy_path , & text ) ? ; } // create the import map if necessary if ! remote_modules . is_empty ( ) { let import_map_path = output_dir . join ( " " ) ; let import_map_text = build_import_map ( & output_dir_specifier , & graph , & all_modules , & mappings , original_import_map , ) ; environment . write_file ( & import_map_path , & import_map_text ) ? ; } Ok ( remote_modules . len ( ) ) }
Vendors remote modules and returns how many were vendored.
Vendors remote modules and returns how many were vendored .
graph
ModuleGraph
output_dir
&Path
original_import_map
Option<&ImportMap>
environment
&impl VendorEnvironment
graph
ModuleGraph
output_dir
&Path
original_import_map
Option<&ImportMap>
environment
&impl VendorEnvironment