WIP

cli/args/flags.rs

@@ -368,9 +368,17 @@ pub enum BundlePlatform {
   Browser,
 }
 
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum BundleSourceMap {
+  Inline,
+  External,
+}
+
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct BundleFlags {
   pub files: FileFlags,
+  pub minify: bool,
+  pub source_map: Option<BundleSourceMap>,
   pub platform: BundlePlatform,
   pub out_dir: String,
   pub watch: Option<WatchFlags>,
@@ -387,6 +395,8 @@ impl BundleFlags {
       files,
       platform,
       out_dir,
+      minify: false,
+      source_map: None,
       watch: None,
     }
   }
@@ -1860,6 +1870,18 @@ fn bundle_subcommand() -> Command {
       .help("Target platform. Must be one of: 'deno' or 'browser' (Default: 'deno')")
       .action(ArgAction::Set)
     )
+    .arg(
+      Arg::new("minify")
+      .long("minify")
+      .help("Minify bundled code")
+      .action(ArgAction::SetTrue)
+    )
+    .arg(
+      Arg::new("source-map")
+      .long("source-map")
+      .help("Minify bundled code")
+      .action(ArgAction::Set)
+    )
     .arg(
       Arg::new("files")
         .num_args(1..)
@@ -4631,6 +4653,20 @@ fn bundle_parse(
     None => Ok(BundlePlatform::Deno),
   }?;
 
+  let minify = matches.get_flag("minify");
+  let source_map =
+    if let Some(value) = matches.remove_one::<String>("source-map") {
+      match value.as_str() {
+        "inline" => Ok(Some(BundleSourceMap::Inline)),
+        "external" => Ok(Some(BundleSourceMap::External)),
+        _ => Err(clap::error::Error::new(
+          clap::error::ErrorKind::InvalidValue,
+        )),
+      }
+    } else {
+      Ok(None)
+    }?;
+
   flags.subcommand = DenoSubcommand::Bundle(BundleFlags {
     files: FileFlags {
       include: files,
@@ -4638,6 +4674,8 @@ fn bundle_parse(
     },
     platform,
     out_dir,
+    minify,
+    source_map,
     watch: watch_arg_parse(matches)?,
   });
 

cli/tools/bundle/mod.rs

@@ -1,21 +1,54 @@
 use std::{
+  cmp::Ordering,
   collections::{HashMap, HashSet},
   fs,
-  path::Path,
+  io::Write,
+  path::{Path, PathBuf},
   sync::Arc,
 };
 
-use deno_core::{error::AnyError, url::Url};
-use deno_graph::{GraphKind, Module, ModuleGraph};
-use deno_runtime::colors;
+use deno_core::{anyhow::Context, error::AnyError, url::Url};
+use deno_graph::{GraphKind, Module, ModuleGraph, NpmModule, Resolution};
+use deno_runtime::{colors, deno_node::NodeResolver};
+use deno_semver::package;
+use flate2::{write::ZlibEncoder, Compression};
+use indexmap::IndexSet;
+use node_resolver::{NodeModuleKind, NodeResolutionMode};
 
 use crate::{
   args::{BundleFlags, BundlePlatform, Flags},
   factory::CliFactory,
   graph_util::CreateGraphOptions,
+  npm::CliNpmResolver,
+  resolver::CjsTracker,
   util::{fs::collect_specifiers, path::matches_pattern_or_exact_path},
 };
 
+#[derive(Debug)]
+struct BundleChunkStat {
+  name: PathBuf,
+  size: usize,
+  gzip: usize,
+  brotli: usize,
+}
+
+#[derive(Debug)]
+enum BundleGraphModKind {
+  Asset(String),
+  Js,
+  Json,
+  Wasm,
+  Node,
+}
+
+#[derive(Debug)]
+struct BundleGraphMod {
+  id: usize,
+  kind: BundleGraphModKind,
+  used_count: usize,
+  has_side_effects: bool,
+}
+
 pub async fn bundle(
   flags: Arc<Flags>,
   bundle_flags: BundleFlags,
@@ -23,8 +56,9 @@ pub async fn bundle(
   // FIXME: Permissions
   let factory = CliFactory::from_flags(flags);
   let cli_options = factory.cli_options()?;
-  let deno_dir = factory.deno_dir()?;
-  let http_client = factory.http_client_provider();
+  let npm_resolver = factory.npm_resolver().await?;
+  let node_resolver = factory.node_resolver().await?;
+  let cjs_tracker = factory.cjs_tracker()?;
 
   // TODO: Ensure that dependencies are installed
 
@@ -53,12 +87,110 @@ pub async fn bundle(
 
   graph.valid()?;
 
+  let bundle_graph: HashMap<Url, BundleGraphMod> = HashMap::new();
+
+  let mut id = 0;
+  let mut all_modules: HashMap<Url, Module> = HashMap::new();
+  let mut module_to_id: HashMap<Url, usize> = HashMap::new();
+  let mut id_to_module: HashMap<usize, Url> = HashMap::new();
+
+  let mut npm_modules: IndexSet<Url> = IndexSet::new();
+  let mut seen: IndexSet<Url> = IndexSet::new();
+
+  fn resolve_npm_module(
+    module: &NpmModule,
+    npm_resolver: &Arc<dyn CliNpmResolver>,
+    node_resolver: &Arc<NodeResolver>,
+  ) -> Url {
+    let nv = module.nv_reference.nv();
+    let managed = npm_resolver.as_managed().unwrap();
+    let package_folder =
+      managed.resolve_pkg_folder_from_deno_module(nv).unwrap();
+
+    let resolved = node_resolver
+      .resolve_package_subpath_from_deno_module(
+        &package_folder,
+        module.nv_reference.sub_path(),
+        None,                // FIXME
+        NodeModuleKind::Esm, // FIXME
+        NodeResolutionMode::Execution,
+      )
+      .with_context(|| format!("Could not resolve '{}'.", module.nv_reference))
+      .unwrap();
+
+    resolved
+  }
+
+  // Hack: Create sub graphs for every npm module we encounter and
+  // expand npm specifiers to the actual file
+  for module in graph.modules() {
+    let url = module.specifier();
+    seen.insert(url.clone());
+
+    let current_id = id;
+    module_to_id.insert(url.clone(), current_id);
+    id_to_module.insert(current_id, url.clone());
+
+    id += 1;
+
+    match module {
+      Module::Npm(module) => {
+        let resolved = resolve_npm_module(&module, npm_resolver, node_resolver);
+        npm_modules.insert(resolved.clone());
+      }
+      _ => {
+        all_modules.insert(url.clone(), module.clone());
+      }
+    }
+  }
+
+  let npm_modules_vec =
+    npm_modules.iter().map(|u| u.clone()).collect::<Vec<_>>();
+
+  eprintln!("npm vec: {:#?}", npm_modules_vec);
+  while let Some(url) = npm_modules.pop() {
+    let npm_graph = module_graph_creator
+      .create_graph_with_options(CreateGraphOptions {
+        graph_kind: GraphKind::CodeOnly,
+        roots: vec![url.clone()],
+        is_dynamic: false,
+        loader: None,
+      })
+      .await?;
+
+    for module in npm_graph.modules() {
+      if seen.contains(module.specifier()) {
+        continue;
+      }
+
+      match module {
+        Module::Npm(module) => {
+          let resolved =
+            resolve_npm_module(&module, npm_resolver, node_resolver);
+          npm_modules.insert(resolved.clone());
+        }
+        _ => {
+          all_modules.insert(url.clone(), module.clone());
+        }
+      }
+    }
+
+    eprintln!("RES {:#?}", all_modules);
+  }
+
   let mut chunk_graph = ChunkGraph::new();
   for file in files {
-    let chunk_id = chunk_graph.new_chunk(None);
-    if let Some(module) = graph.get(&file) {
-      assign_chunks(&bundle_flags, &mut chunk_graph, &graph, module, chunk_id);
-    }
+    assign_chunks(
+      &bundle_flags,
+      &mut chunk_graph,
+      &all_modules,
+      npm_resolver,
+      node_resolver,
+      cjs_tracker,
+      &file,
+      None,
+      true,
+    );
   }
 
   // Hoist shared modules into common parent chunk that is not a root chunk
@@ -68,15 +200,18 @@ pub async fn bundle(
   let out_dir = Path::new(&bundle_flags.out_dir);
   fs::create_dir_all(out_dir)?;
 
+  let mut stats: Vec<BundleChunkStat> = vec![];
+  let mut cols = (8, 4, 4, 6);
+
   // Write out chunks
   // TODO: Walk topo for chunk hashes
   for (_id, chunk) in &chunk_graph.chunks {
     //chunk
     let mut source = String::new();
 
-    for spec in &chunk.specifiers {
+    for spec in chunk.specifiers.iter().rev() {
       if let Some(module) = graph.get(&spec) {
-        //
+        // FIXME: don't print module urls by default
         source.push_str(&format!("// {}\n", spec.to_string()));
         if let Some(contents) = &module.source() {
           source.push_str(contents);
@@ -84,58 +219,123 @@ pub async fn bundle(
       }
     }
 
-    let out_path = out_dir.join("out.js");
-    fs::write(&out_path, source).unwrap();
-    log::log!(
-      log::Level::Info,
-      "{} {}",
-      colors::green("Filename"),
-      colors::green("Size")
-    );
-    log::log!(
-      log::Level::Info,
-      "  {} {}",
-      out_path.to_string_lossy(),
-      colors::cyan(0)
-    );
-    log::log!(log::Level::Info, "");
+    let out_path = out_dir.join(chunk.name.to_string());
+    fs::write(&out_path, &source).unwrap();
+
+    let out_len = out_path.to_string_lossy().len();
+    if out_len > cols.0 {
+      cols.0 = out_len;
+    }
+
+    let mut gzip_writer = ZlibEncoder::new(vec![], Compression::default());
+    gzip_writer.write_all(source.as_bytes())?;
+    let gzip_compressed = gzip_writer.finish()?;
+
+    stats.push(BundleChunkStat {
+      name: out_path.clone(),
+      size: source.len(),
+      gzip: gzip_compressed.len(),
+      brotli: 0,
+    });
   }
 
+  // Sort to show biggest files first
+  stats.sort_by(|a, b| {
+    if a.gzip > b.gzip {
+      Ordering::Greater
+    } else if a.gzip < b.gzip {
+      Ordering::Less
+    } else {
+      Ordering::Equal
+    }
+  });
+
+  log::log!(
+    log::Level::Info,
+    "{}  {}  {}  {}",
+    colors::green(&format!("{:<width$}", "Filename", width = cols.0 + 2)),
+    colors::green("Size"),
+    colors::green("Gzip"),
+    colors::green("Brotli")
+  );
+  for stat in stats {
+    log::log!(
+      log::Level::Info,
+      "  {}  {}  {}  {}",
+      format!("{:<width$}", stat.name.to_string_lossy(), width = cols.0),
+      colors::cyan(&format!("{:>width$}", stat.size, width = cols.1)),
+      colors::cyan(&format!("{:>width$}", stat.gzip, width = cols.2)),
+      colors::cyan(&format!("{:>width$}", stat.brotli, width = cols.3))
+    );
+  }
+  log::log!(log::Level::Info, "");
+
+  // eprintln!("chunk {:#?}", chunk_graph);
+
   Ok(())
 }
 
 fn assign_chunks(
   bundle_flags: &BundleFlags,
   chunk_graph: &mut ChunkGraph,
-  graph: &ModuleGraph,
-  module: &Module,
-  chunk_id: usize,
+  graph: &HashMap<Url, Module>,
+  npm_resolver: &Arc<dyn CliNpmResolver>,
+  node_resolver: &Arc<NodeResolver>,
+  cjs_tracker: &Arc<CjsTracker>,
+  url: &Url,
+  parent_chunk_id: Option<usize>,
+  is_dynamic: bool,
 ) {
+  let module = graph.get(url).unwrap();
+
   match module {
     Module::Js(js_module) => {
-      chunk_graph.assign_specifier(js_module.specifier.clone(), chunk_id);
+      let chunk_id = chunk_graph.assign_specifier_to_chunk(
+        url,
+        parent_chunk_id,
+        ChunkKind::Js,
+        is_dynamic,
+      );
 
-      for (value, dep) in &js_module.dependencies {
-        let url = Url::parse(value).unwrap();
-        let chunk_id = if dep.is_dynamic {
-          chunk_graph.new_chunk(Some(chunk_id))
-        } else {
-          chunk_id
-        };
-
-        if let Some(module) = graph.get(&url) {
-          assign_chunks(bundle_flags, chunk_graph, graph, module, chunk_id);
+      for (_, dep) in &js_module.dependencies {
+        match &dep.maybe_code {
+          Resolution::None => todo!(),
+          Resolution::Ok(resolution_resolved) => {
+            assign_chunks(
+              bundle_flags,
+              chunk_graph,
+              graph,
+              npm_resolver,
+              node_resolver,
+              cjs_tracker,
+              &resolution_resolved.specifier,
+              Some(chunk_id),
+              dep.is_dynamic,
+            );
+          }
+          Resolution::Err(resolution_error) => todo!(),
         }
       }
     }
     Module::Json(json_module) => {
-      chunk_graph.assign_specifier(json_module.specifier.clone(), chunk_id);
+      chunk_graph.assign_specifier_to_chunk(
+        url,
+        parent_chunk_id,
+        ChunkKind::Js,
+        is_dynamic,
+      );
     }
     Module::Wasm(wasm_module) => {
-      let chunk_id = chunk_graph.new_chunk(Some(chunk_id));
-      chunk_graph.assign_specifier(wasm_module.specifier.clone(), chunk_id);
+      chunk_graph.assign_specifier_to_chunk(
+        url,
+        parent_chunk_id,
+        ChunkKind::Asset("wasm".to_string()),
+        true,
+      );
+    }
+    Module::Npm(_) => {
+      unreachable!()
     }
-    Module::Npm(npm_module) => todo!(),
     Module::Node(built_in_node_module) => {
       if let BundlePlatform::Browser = bundle_flags.platform {
         // TODO: Show where it was imported from
@@ -150,12 +350,20 @@ fn assign_chunks(
   }
 }
 
+#[derive(Debug, Eq, PartialEq)]
+enum ChunkKind {
+  Asset(String),
+  Js,
+}
+
 #[derive(Debug)]
 struct Chunk {
   id: usize,
+  name: String,
+  pub kind: ChunkKind,
   parent_ids: HashSet<usize>,
   children: Vec<usize>, // TODO: IndexSet?
-  specifiers: HashSet<Url>,
+  specifiers: IndexSet<Url>,
 }
 
 #[derive(Debug)]
@@ -176,7 +384,49 @@ impl ChunkGraph {
     }
   }
 
-  fn assign_specifier(&mut self, url: Url, chunk_id: usize) {
+  fn get_or_create_chunk(
+    &mut self,
+    url: &Url,
+    parent_chunk_id: Option<usize>,
+    kind: ChunkKind,
+    is_dynamic: bool,
+  ) -> usize {
+    if let Some(parent_chunk_id) = parent_chunk_id {
+      if !is_dynamic {
+        return parent_chunk_id;
+      }
+    }
+
+    let name = if let Ok(f) = url.to_file_path() {
+      if let Some(name) = f.file_stem() {
+        name.to_string_lossy().to_string()
+      } else {
+        format!("chunk_{}", self.id)
+      }
+    } else {
+      format!("chunk_{}", self.id)
+    };
+
+    let ext = match &kind {
+      ChunkKind::Asset(ext) => ext,
+      ChunkKind::Js => "js",
+    };
+
+    let full_name = format!("{}.{}", name, ext);
+
+    self.new_chunk(full_name, parent_chunk_id, kind)
+  }
+
+  fn assign_specifier_to_chunk(
+    &mut self,
+    url: &Url,
+    parent_chunk_id: Option<usize>,
+    kind: ChunkKind,
+    is_dynamic: bool,
+  ) -> usize {
+    let chunk_id =
+      self.get_or_create_chunk(&url, parent_chunk_id, kind, is_dynamic);
+
     if let Some(value) = self.specifier_to_chunks.get_mut(&url) {
       value.push(chunk_id)
     } else {
@@ -185,11 +435,18 @@ impl ChunkGraph {
     }
 
     if let Some(chunk) = self.chunks.get_mut(&chunk_id) {
-      chunk.specifiers.insert(url);
+      chunk.specifiers.insert(url.clone());
     }
+
+    chunk_id
   }
 
-  fn new_chunk(&mut self, parent_id: Option<usize>) -> usize {
+  fn new_chunk(
+    &mut self,
+    name: String,
+    parent_id: Option<usize>,
+    kind: ChunkKind,
+  ) -> usize {
     let id = self.id;
     self.id += 1;
 
@@ -202,9 +459,11 @@ impl ChunkGraph {
 
     let chunk = Chunk {
       id,
+      name,
+      kind,
       parent_ids,
       children: vec![],
-      specifiers: HashSet::new(),
+      specifiers: IndexSet::new(),
     };
 
     self.chunks.insert(id, chunk);

resolvers/node/resolution.rs

@@ -46,8 +46,9 @@ use crate::PackageJsonResolverRc;
 use crate::PathClean;
 use deno_package_json::PackageJson;
 
-pub static DEFAULT_CONDITIONS: &[&str] = &["deno", "node", "import"];
-pub static REQUIRE_CONDITIONS: &[&str] = &["require", "node"];
+// FIXME: Wire this through
+pub static DEFAULT_CONDITIONS: &[&str] = &["browser", "deno", "node", "import"];
+pub static REQUIRE_CONDITIONS: &[&str] = &["browser", "require", "node"];
 static TYPES_ONLY_CONDITIONS: &[&str] = &["types"];
 
 fn conditions_from_module_kind(