fix(coverage): do not generate script coverage with empty url (#24007)

closes #24004

2 files changed, 7 insertions, 1 deletions

diff --git a/cli/tools/coverage/mod.rs b/cli/tools/coverage/mod.rs
index 699d4a583..030bf425e 100644
--- a/cli/tools/coverage/mod.rs
+++ b/cli/tools/coverage/mod.rs
@@ -68,12 +68,14 @@ impl crate::worker::CoverageCollector for CoverageCollector {
 
     let script_coverages = self.take_precise_coverage().await?.result;
     for script_coverage in script_coverages {
-      // Filter out internal and http/https JS files from being included in coverage reports
+      // Filter out internal and http/https JS files and eval'd scripts
+      // from being included in coverage reports
       if script_coverage.url.starts_with("ext:")
         || script_coverage.url.starts_with("[ext:")
         || script_coverage.url.starts_with("http:")
         || script_coverage.url.starts_with("https:")
         || script_coverage.url.starts_with("node:")
+        || script_coverage.url.is_empty()
       {
         continue;
       }
diff --git a/tests/testdata/coverage/multisource/test.ts b/tests/testdata/coverage/multisource/test.ts
index 350421177..766798c64 100644
--- a/tests/testdata/coverage/multisource/test.ts
+++ b/tests/testdata/coverage/multisource/test.ts
@@ -20,3 +20,7 @@ Deno.test("qux", () => {
 Deno.test("quux", () => {
   quux(false);
 });
+
+// Function constructor or eval function generates a new script source internally.
+// This call ensures that the coverage data for the eval script source is not generated.
+eval("console.log(1)");