Follow redirect location as new referrers for nested module imports (d…

…enoland#2031)

Fixes denoland#1742
Fixes denoland#2021

cli/compiler.rs

@@ -104,6 +104,7 @@ impl WorkerBehavior for CompilerBehavior {
 #[derive(Debug, Clone)]
 pub struct ModuleMetaData {
  pub module_name: String,
+ pub module_redirect_source_name: Option<String>, // source of redirect
  pub filename: String,
  pub media_type: msg::MediaType,
  pub source_code: Vec<u8>,
@@ -250,6 +251,9 @@ pub fn compile_sync(
  ) {
  Ok(serde_json::Value::Object(map)) => ModuleMetaData {
  module_name: module_meta_data_.module_name.clone(),
+ module_redirect_source_name: module_meta_data_
+ .module_redirect_source_name
+ .clone(),
  filename: module_meta_data_.filename.clone(),
  media_type: module_meta_data_.media_type,
  source_code: module_meta_data_.source_code.clone(),
@@ -342,6 +346,7 @@ mod tests {
 
  let mut out = ModuleMetaData {
  module_name: "xxx".to_owned(),
+ module_redirect_source_name: None,
  filename: "/tests/002_hello.ts".to_owned(),
  media_type: msg::MediaType::TypeScript,
  source_code: include_bytes!("../tests/002_hello.ts").to_vec(),