fix(coverage): do not report transpiled files with no lines (#14699)

This commit omits files from the coverage report that have no
lines of code to report coverage for.

Fixes: https://github.com/denoland/deno/issues/14683

1 files changed, 7 insertions, 0 deletions

diff --git a/cli/tests/testdata/coverage/no_transpiled_lines/repro_test.ts b/cli/tests/testdata/coverage/no_transpiled_lines/repro_test.ts
new file mode 100644
index 000000000..ca4a0d17f
--- /dev/null
+++ b/cli/tests/testdata/coverage/no_transpiled_lines/repro_test.ts
@@ -0,0 +1,7 @@
+import { assertStrictEquals, TestInterface } from "./index.ts";
+
+Deno.test(function noTranspiledLines() {
+  const foo: TestInterface = { id: "id" };
+
+  assertStrictEquals(foo.id, "id");
+});