diff --git a/pgml-apps/cargo-pgml-components/Cargo.lock b/pgml-apps/cargo-pgml-components/Cargo.lock
index 37c6a0e41..997ac2cf8 100644
--- a/pgml-apps/cargo-pgml-components/Cargo.lock
+++ b/pgml-apps/cargo-pgml-components/Cargo.lock
@@ -126,7 +126,7 @@ dependencies = [
 
 [[package]]
 name = "cargo-pgml-components"
-version = "0.1.15"
+version = "0.1.16"
 dependencies = [
  "anyhow",
  "assert_cmd",
@@ -141,6 +141,8 @@ dependencies = [
  "predicates",
  "regex",
  "sailfish",
+ "serde",
+ "toml",
 ]
 
 [[package]]
diff --git a/pgml-apps/cargo-pgml-components/Cargo.toml b/pgml-apps/cargo-pgml-components/Cargo.toml
index a12c8bd27..75f992f75 100644
--- a/pgml-apps/cargo-pgml-components/Cargo.toml
+++ b/pgml-apps/cargo-pgml-components/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "cargo-pgml-components"
-version = "0.1.15"
+version = "0.1.16"
 edition = "2021"
 authors = ["PostgresML <team@postgresml.org>"]
 license = "MIT"
@@ -19,6 +19,8 @@ anyhow = "1"
 owo-colors = "3"
 sailfish = "0.8"
 regex = "1"
+toml = "0.7"
+serde = { version = "1", features = ["derive"] }
 
 [dev-dependencies]
 assert_cmd = "2"
diff --git a/pgml-apps/cargo-pgml-components/src/config.rs b/pgml-apps/cargo-pgml-components/src/config.rs
new file mode 100644
index 000000000..7d0a5e06d
--- /dev/null
+++ b/pgml-apps/cargo-pgml-components/src/config.rs
@@ -0,0 +1,33 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Serialize, Deserialize, Default, Clone)]
+pub struct Javascript {
+    #[serde(default = "Javascript::default_additional_paths")]
+    pub additional_paths: Vec<String>,
+}
+
+impl Javascript {
+    fn default_additional_paths() -> Vec<String> {
+        vec![]
+    }
+}
+
+#[derive(Serialize, Deserialize, Default, Clone)]
+pub struct Config {
+    pub javascript: Javascript,
+}
+
+impl Config {
+    pub fn from_path(path: &str) -> anyhow::Result<Config> {
+        let config_str = std::fs::read_to_string(path)?;
+        let config: Config = toml::from_str(&config_str)?;
+        Ok(config)
+    }
+
+    pub fn load() -> Config {
+        match Self::from_path("pgml-components.toml") {
+            Ok(config) => config,
+            Err(_) => Config::default(),
+        }
+    }
+}
diff --git a/pgml-apps/cargo-pgml-components/src/frontend/components.rs b/pgml-apps/cargo-pgml-components/src/frontend/components.rs
index 5a8a479df..06b73d6d8 100644
--- a/pgml-apps/cargo-pgml-components/src/frontend/components.rs
+++ b/pgml-apps/cargo-pgml-components/src/frontend/components.rs
@@ -191,10 +191,7 @@ fn update_module(path: &Path) {
         }
 
         if has_more_modules(&path) {
-            debug!("{} has more modules", path.display());
             update_module(&path);
-        } else {
-            debug!("it does not really no");
         }
 
         let component_path = path.components().skip(2).collect::<PathBuf>();
@@ -205,8 +202,7 @@ fn update_module(path: &Path) {
     debug!("writing {} modules to mod.rs", modules.len());
 
     let components_mod = path.join("mod.rs");
-    let modules =
-        unwrap_or_exit!(templates::Mod { modules }.render_once()).replace("\n\n", "\n");
+    let modules = unwrap_or_exit!(templates::Mod { modules }.render_once()).replace("\n\n", "\n");
 
     let existing_modules = if components_mod.is_file() {
         unwrap_or_exit!(read_to_string(&components_mod))
@@ -220,7 +216,7 @@ fn update_module(path: &Path) {
         info(&format!("written {}", components_mod.display().to_string()));
     }
 
-    debug!("mod.rs is the same");
+    debug!("{}/mod.rs is different", components_mod.display());
 }
 
 /// Check that the path has more Rust modules.
@@ -228,7 +224,7 @@ fn has_more_modules(path: &Path) -> bool {
     debug!("checking if {} has more modules", path.display());
 
     if !path.exists() {
-        debug!("path does not exist");
+        debug!("path {} does not exist", path.display());
         return false;
     }
 
@@ -244,13 +240,12 @@ fn has_more_modules(path: &Path) -> bool {
 
         if let Some(file_name) = path.file_name() {
             if file_name != "mod.rs" {
-                debug!("it has another file that's not mod.rs");
+                debug!("{} has another file that's not mod.rs", path.display());
                 return false;
             }
         }
     }
 
-    debug!("it does");
     true
 }
 
diff --git a/pgml-apps/cargo-pgml-components/src/frontend/javascript.rs b/pgml-apps/cargo-pgml-components/src/frontend/javascript.rs
index 9f1c80fc5..8784d2a98 100644
--- a/pgml-apps/cargo-pgml-components/src/frontend/javascript.rs
+++ b/pgml-apps/cargo-pgml-components/src/frontend/javascript.rs
@@ -9,6 +9,7 @@ use std::process::{exit, Command};
 
 use convert_case::{Case, Casing};
 
+use crate::config::Config;
 use crate::frontend::tools::execute_with_nvm;
 use crate::util::{error, info, unwrap_or_exit, warn};
 
@@ -42,16 +43,26 @@ fn cleanup_old_bundles() {
     }
 }
 
-fn assemble_modules() {
+fn assemble_modules(config: Config) {
     let js = unwrap_or_exit!(glob(MODULES_GLOB));
-    let js = js.chain(unwrap_or_exit!(glob(STATIC_JS_GLOB)));
+    let mut js = js
+        .chain(unwrap_or_exit!(glob(STATIC_JS_GLOB)))
+        .collect::<Vec<_>>();
+
+    for path in &config.javascript.additional_paths {
+        debug!("adding additional path to javascript bundle: {}", path);
+        js = js
+            .into_iter()
+            .chain(unwrap_or_exit!(glob(path)))
+            .collect::<Vec<_>>();
+    }
 
     // Don't bundle artifacts we produce.
-    let js = js.filter(|path| {
+    let js = js.iter().filter(|path| {
         let path = path.as_ref().unwrap();
         let path = path.display().to_string();
 
-        !path.contains("main.js") && !path.contains("bundle.js") && !path.contains("modules.js")
+        !path.contains("main.") && !path.contains("bundle.") && !path.contains("modules.")
     });
 
     let mut modules = unwrap_or_exit!(File::create(MODULES_FILE));
@@ -75,27 +86,37 @@ fn assemble_modules() {
 
         let full_path = source.display().to_string();
 
-        let path = source
-            .components()
-            .skip(2) // skip src/components or static/js
-            .collect::<Vec<_>>();
+        let path = source.components().collect::<Vec<_>>();
 
         assert!(!path.is_empty());
 
         let path = path.iter().collect::<PathBuf>();
         let components = path.components();
-        let controller_name = if components.clone().count() > 1 {
-            components
+        let file_stem = path.file_stem().unwrap().to_str().unwrap().to_string();
+        let controller_name = if file_stem.ends_with("controller") {
+            let mut parts = vec![];
+
+            let pp = components
                 .map(|c| c.as_os_str().to_str().expect("component to be valid utf-8"))
                 .filter(|c| !c.ends_with(".js"))
-                .collect::<Vec<&str>>()
-                .join("_")
+                .collect::<Vec<&str>>();
+            let mut saw_src = false;
+            let mut saw_components = false;
+            for p in pp {
+                if p == "src" {
+                    saw_src = true;
+                } else if p == "components" {
+                    saw_components = true;
+                } else if saw_src && saw_components {
+                    parts.push(p);
+                }
+            }
+
+            assert!(!parts.is_empty());
+
+            parts.join("_")
         } else {
-            path.file_stem()
-                .expect("old controllers to be a single file")
-                .to_str()
-                .expect("stemp to be valid utf-8")
-                .to_string()
+            file_stem
         };
         let upper_camel = controller_name.to_case(Case::UpperCamel).to_string();
         let controller_name = controller_name.replace("_", "-");
@@ -121,20 +142,28 @@ fn assemble_modules() {
     info(&format!("written {}", MODULES_FILE));
 }
 
-pub fn bundle() {
+pub fn bundle(config: Config, minify: bool) {
     cleanup_old_bundles();
-    assemble_modules();
+    assemble_modules(config.clone());
+
+    let mut command = Command::new(JS_COMPILER);
+
+    command
+        .arg(MODULES_FILE)
+        .arg("--file")
+        .arg(JS_FILE)
+        .arg("--format")
+        .arg("es")
+        .arg("-p")
+        .arg("@rollup/plugin-node-resolve");
+
+    if minify {
+        command.arg("-p").arg("@rollup/plugin-terser");
+    }
 
     // Bundle JavaScript.
     info("bundling javascript with rollup");
-    unwrap_or_exit!(execute_with_nvm(
-        Command::new(JS_COMPILER)
-            .arg(MODULES_FILE)
-            .arg("--file")
-            .arg(JS_FILE)
-            .arg("--format")
-            .arg("es"),
-    ));
+    unwrap_or_exit!(execute_with_nvm(&mut command));
 
     info(&format!("written {}", JS_FILE));
 
diff --git a/pgml-apps/cargo-pgml-components/src/frontend/tools.rs b/pgml-apps/cargo-pgml-components/src/frontend/tools.rs
index 5c7809fd9..1f37ec5e9 100644
--- a/pgml-apps/cargo-pgml-components/src/frontend/tools.rs
+++ b/pgml-apps/cargo-pgml-components/src/frontend/tools.rs
@@ -1,12 +1,14 @@
 //! Tools required by us to build stuff.
 
-use crate::util::{debug1, error, execute_command, unwrap_or_exit, warn};
+use crate::util::{debug1, error, execute_command, info, unwrap_or_exit, warn};
 use std::fs::File;
 use std::io::Write;
+use std::path::Path;
 use std::process::{exit, Command};
 
 /// Required tools.
 static TOOLS: &[&str] = &["sass", "rollup"];
+static ROLLUP_PLUGINS: &[&str] = &["@rollup/plugin-terser", "@rollup/plugin-node-resolve"];
 static NVM_EXEC: &'static str = "/tmp/pgml-components-nvm.sh";
 static NVM_SOURCE: &'static str = "https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.5/install.sh";
 static NVM_SOURCE_DOWNLOADED: &'static str = "/tmp/pgml-components-nvm-source.sh";
@@ -30,6 +32,27 @@ pub fn install() {
             }
         }
     }
+
+    for plugin in ROLLUP_PLUGINS {
+        if execute_with_nvm(
+            Command::new("rollup")
+                .arg("-p")
+                .arg(plugin)
+                .arg("--version"),
+        )
+        .is_err()
+        {
+            warn(&format!("installing rollup plugin {}", plugin));
+            unwrap_or_exit!(execute_with_nvm(
+                Command::new("npm").arg("install").arg("-g").arg(plugin)
+            ));
+        }
+    }
+
+    if Path::new("package.json").exists() {
+        info("installing dependencies from package.json");
+        unwrap_or_exit!(execute_with_nvm(Command::new("npm").arg("install")));
+    }
 }
 
 /// Execute a command making sure that nvm is available.
diff --git a/pgml-apps/cargo-pgml-components/src/main.rs b/pgml-apps/cargo-pgml-components/src/main.rs
index a03d7069f..139720815 100644
--- a/pgml-apps/cargo-pgml-components/src/main.rs
+++ b/pgml-apps/cargo-pgml-components/src/main.rs
@@ -9,8 +9,11 @@ use std::path::Path;
 extern crate log;
 
 mod backend;
+mod config;
 mod frontend;
 mod util;
+
+use config::Config;
 use util::{info, unwrap_or_exit};
 
 /// These paths are exepcted to exist in the project directory.
@@ -51,7 +54,10 @@ struct PgmlCommands {
 #[derive(Subcommand, Debug)]
 enum Commands {
     /// Bundle SASS and JavaScript into neat bundle files.
-    Bundle {},
+    Bundle {
+        #[arg(short, long, default_value = "false")]
+        minify: bool,
+    },
 
     /// Add new elements to the project.
     #[command(subcommand)]
@@ -65,6 +71,7 @@ enum AddCommands {
 }
 
 fn main() {
+    let config = Config::load();
     env_logger::init();
     let cli = Cli::parse();
 
@@ -72,7 +79,7 @@ fn main() {
         CargoSubcommands::PgmlComponents(pgml_commands) => {
             validate_project(pgml_commands.project_path);
             match pgml_commands.command {
-                Commands::Bundle {} => bundle(),
+                Commands::Bundle { minify } => bundle(config, minify),
                 Commands::Add(command) => match command {
                     AddCommands::Component { name } => {
                         crate::frontend::components::add(&Path::new(&name), pgml_commands.overwrite)
@@ -108,9 +115,9 @@ fn validate_project(project_path: Option<String>) {
 }
 
 /// Bundle SASS and JavaScript into neat bundle files.
-fn bundle() {
+fn bundle(config: Config, minify: bool) {
     frontend::sass::bundle();
-    frontend::javascript::bundle();
+    frontend::javascript::bundle(config, minify);
     frontend::components::update_modules();
 
     info("bundle complete");
diff --git a/pgml-apps/cargo-pgml-components/src/util.rs b/pgml-apps/cargo-pgml-components/src/util.rs
index df906d557..2290cb378 100644
--- a/pgml-apps/cargo-pgml-components/src/util.rs
+++ b/pgml-apps/cargo-pgml-components/src/util.rs
@@ -39,6 +39,8 @@ pub fn warn(value: &str) {
 }
 
 pub fn execute_command(command: &mut Command) -> std::io::Result<String> {
+    debug!("Executing {:?}", command);
+
     let output = match command.output() {
         Ok(output) => output,
         Err(err) => {

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