bools bad!!

compiler-core/src/build/package_compiler.rs

@@ -377,7 +377,7 @@ where
         JavaScript::new(&self.out, typescript, prelude_location, self.target_support).render(
             &self.io,
             modules,
-            self.stdlib_is_a_dependency(),
+            self.stdlib_package(),
         )?;
 
         if self.copy_native_files {
@@ -431,11 +431,21 @@ where
         Ok(())
     }
 
-    fn stdlib_is_a_dependency(&self) -> bool {
-        self.config.dependencies.contains_key("gleam_stdlib")
+    fn stdlib_package(&self) -> StdlibPackage {
+        if self.config.dependencies.contains_key("gleam_stdlib") {
+            StdlibPackage::Present
+        } else {
+            StdlibPackage::Missing
+        }
     }
 }
 
+#[derive(Debug, Clone, Copy, Eq, PartialEq)]
+pub enum StdlibPackage {
+    Present,
+    Missing,
+}
+
 fn analyse(
     package_config: &PackageConfig,
     target: Target,

compiler-core/src/codegen.rs

@@ -1,6 +1,6 @@
 use crate::{
     analyse::TargetSupport,
-    build::{ErlangAppCodegenConfiguration, Module},
+    build::{package_compiler::StdlibPackage, ErlangAppCodegenConfiguration, Module},
     config::PackageConfig,
     erlang,
     io::FileSystemWriter,
@@ -182,14 +182,14 @@ impl<'a> JavaScript<'a> {
         &self,
         writer: &impl FileSystemWriter,
         modules: &[Module],
-        stdlib_is_a_dependency: bool,
+        stdlib_package: StdlibPackage,
     ) -> Result<()> {
         for module in modules {
             let js_name = module.name.clone();
             if self.typescript == TypeScriptDeclarations::Emit {
                 self.ts_declaration(writer, module, &js_name)?;
             }
-            self.js_module(writer, module, &js_name, stdlib_is_a_dependency)?
+            self.js_module(writer, module, &js_name, stdlib_package)?
         }
         self.write_prelude(writer)?;
         Ok(())
@@ -240,7 +240,7 @@ impl<'a> JavaScript<'a> {
         writer: &impl FileSystemWriter,
         module: &Module,
         js_name: &str,
-        stdblib_is_a_dependency: bool,
+        stdlib_package: StdlibPackage,
     ) -> Result<()> {
         let name = format!("{js_name}.mjs");
         let path = self.output_directory.join(name);
@@ -252,7 +252,7 @@ impl<'a> JavaScript<'a> {
             &module.code,
             self.target_support,
             self.typescript,
-            stdblib_is_a_dependency,
+            stdlib_package,
         );
         tracing::debug!(name = ?js_name, "Generated js module");
         writer.write(&path, &output?)

compiler-core/src/javascript.rs

@@ -7,6 +7,7 @@ mod tests;
 mod typescript;
 
 use crate::analyse::TargetSupport;
+use crate::build::package_compiler::StdlibPackage;
 use crate::build::Target;
 use crate::codegen::TypeScriptDeclarations;
 use crate::type_::PRELUDE_MODULE_NAME;
@@ -45,7 +46,7 @@ pub struct Generator<'a> {
     current_module_name_segments_count: usize,
     target_support: TargetSupport,
     typescript: TypeScriptDeclarations,
-    stdlib_is_a_dependency: bool,
+    stdlib_package: StdlibPackage,
 }
 
 impl<'a> Generator<'a> {
@@ -54,7 +55,7 @@ impl<'a> Generator<'a> {
         module: &'a TypedModule,
         target_support: TargetSupport,
         typescript: TypeScriptDeclarations,
-        stdlib_is_a_dependency: bool,
+        stdlib_package: StdlibPackage,
     ) -> Self {
         let current_module_name_segments_count = module.name.split('/').count();
 
@@ -66,7 +67,7 @@ impl<'a> Generator<'a> {
             module_scope: Default::default(),
             target_support,
             typescript,
-            stdlib_is_a_dependency,
+            stdlib_package,
         }
     }
 
@@ -173,7 +174,7 @@ impl<'a> Generator<'a> {
         };
 
         let echo = if self.tracker.echo_used {
-            if self.stdlib_is_a_dependency {
+            if StdlibPackage::Present == self.stdlib_package {
                 self.register_import(
                     &mut imports,
                     "gleam_stdlib",
@@ -594,14 +595,14 @@ pub fn module(
     src: &EcoString,
     target_support: TargetSupport,
     typescript: TypeScriptDeclarations,
-    stdlib_is_a_dependency: bool,
+    stdlib_package: StdlibPackage,
 ) -> Result<String, crate::Error> {
     let document = Generator::new(
         line_numbers,
         module,
         target_support,
         typescript,
-        stdlib_is_a_dependency,
+        stdlib_package,
     )
     .compile()
     .map_err(|error| crate::Error::JavaScript {

compiler-core/src/javascript/tests.rs

@@ -178,15 +178,15 @@ pub fn compile(src: &str, deps: Vec<(&str, &str, &str)>) -> TypedModule {
 pub fn compile_js(src: &str, deps: Vec<(&str, &str, &str)>) -> Result<String, crate::Error> {
     let ast = compile(src, deps);
     let line_numbers = LineNumbers::new(src);
-    let stdlib_is_a_dependency = true;
+    let stdlib_package = StdlibPackage::Present;
     let output = module(
         &ast,
         &line_numbers,
         Utf8Path::new(""),
         &"".into(),
         TargetSupport::Enforced,
         TypeScriptDeclarations::None,
-        stdlib_is_a_dependency,
+        stdlib_package,
     )?;
 
     Ok(output.replace(