From 826e42a5b5880c974ae019a7a21aade6a718062c Mon Sep 17 00:00:00 2001
From: David Sherret <dsherret@users.noreply.github.com>
Date: Fri, 1 Nov 2024 12:27:00 -0400
Subject: fix: improved support for cjs and cts modules (#26558)
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* cts support
* better cjs/cts type checking
* deno compile cjs/cts support
* More efficient detect cjs (going towards stabilization)
* Determination of whether .js, .ts, .jsx, or .tsx is cjs or esm is only
done after loading
* Support `import x = require(...);`

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
---
 cli/tools/run/hmr.rs | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

(limited to 'cli/tools/run')

diff --git a/cli/tools/run/hmr.rs b/cli/tools/run/hmr.rs
index 6ccf8e344..6cebedd01 100644
--- a/cli/tools/run/hmr.rs
+++ b/cli/tools/run/hmr.rs
@@ -1,9 +1,11 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 
-use crate::cdp;
-use crate::emit::Emitter;
-use crate::util::file_watcher::WatcherCommunicator;
-use crate::util::file_watcher::WatcherRestartMode;
+use std::collections::HashMap;
+use std::path::PathBuf;
+use std::sync::Arc;
+
+use deno_ast::MediaType;
+use deno_ast::ModuleKind;
 use deno_core::error::generic_error;
 use deno_core::error::AnyError;
 use deno_core::futures::StreamExt;
@@ -12,11 +14,14 @@ use deno_core::serde_json::{self};
 use deno_core::url::Url;
 use deno_core::LocalInspectorSession;
 use deno_terminal::colors;
-use std::collections::HashMap;
-use std::path::PathBuf;
-use std::sync::Arc;
 use tokio::select;
 
+use crate::cdp;
+use crate::emit::Emitter;
+use crate::resolver::CjsTracker;
+use crate::util::file_watcher::WatcherCommunicator;
+use crate::util::file_watcher::WatcherRestartMode;
+
 fn explain(status: &cdp::Status) -> &'static str {
   match status {
     cdp::Status::Ok => "OK",
@@ -58,6 +63,7 @@ pub struct HmrRunner {
   session: LocalInspectorSession,
   watcher_communicator: Arc<WatcherCommunicator>,
   script_ids: HashMap<String, String>,
+  cjs_tracker: Arc<CjsTracker>,
   emitter: Arc<Emitter>,
 }
 
@@ -139,7 +145,8 @@ impl crate::worker::HmrRunner for HmrRunner {
             };
 
             let source_code = self.emitter.load_and_emit_for_hmr(
-              &module_url
+              &module_url,
+              ModuleKind::from_is_cjs(self.cjs_tracker.is_maybe_cjs(&module_url, MediaType::from_specifier(&module_url))?),
             ).await?;
 
             let mut tries = 1;
@@ -172,12 +179,14 @@ impl crate::worker::HmrRunner for HmrRunner {
 
 impl HmrRunner {
   pub fn new(
+    cjs_tracker: Arc<CjsTracker>,
     emitter: Arc<Emitter>,
     session: LocalInspectorSession,
     watcher_communicator: Arc<WatcherCommunicator>,
   ) -> Self {
     Self {
       session,
+      cjs_tracker,
       emitter,
       watcher_communicator,
       script_ids: HashMap::new(),
-- 
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