feat: store import sites on dependencies

Cargo.toml

@@ -20,7 +20,7 @@ anyhow = "1.0.43"
 data-url = "0.2.0"
 deno_ast = { version = "0.25.0", features = ["dep_graph", "module_specifier"] }
 futures = "0.3.26"
-indexmap = "1.9.2"
+indexmap = { version = "1.9.2", features = ["serde"] }
 monch = "0.4.1"
 once_cell = "1.16.0"
 parking_lot = "0.12.0"

src/analyzer.rs

@@ -157,6 +157,12 @@ pub enum ImportAssertions {
   Known(HashMap<String, ImportAssertion>),
 }
 
+impl Default for ImportAssertions {
+  fn default() -> Self {
+    Self::None
+  }
+}
+
 impl ImportAssertions {
   // can't use this type directly because we need to make it serialize & deserialize
   pub fn from_swc(value: deno_ast::swc::dep_graph::ImportAssertions) -> Self {