fix directory caching with workaround (#3710)

* ok

* test

3 files changed, 46 insertions, 1 deletions

diff --git a/src/bun.js/javascript.zig b/src/bun.js/javascript.zig
index 94d82c496..00c663077 100644
--- a/src/bun.js/javascript.zig
+++ b/src/bun.js/javascript.zig
@@ -1298,7 +1298,10 @@ pub const VirtualMachine = struct {
             jsc_vm.bundler.fs.top_level_dir;
 
         const result: Resolver.Result = try brk: {
-            var retry_on_not_found = query_string.len > 0;
+            // TODO: We only want to retry on not found only when the directories we searched for were cached.
+            // This fixes an issue where new files created in cached directories were not picked up.
+            // See https://github.com/oven-sh/bun/issues/3216
+            var retry_on_not_found = true;
             while (true) {
                 break :brk switch (jsc_vm.bundler.resolver.resolveAndAutoInstall(
                     source_to_use,
diff --git a/test/regression/issue/003091.test.ts b/test/regression/issue/03091.test.ts
index ee115a2a1..ee115a2a1 100644
--- a/test/regression/issue/003091.test.ts
+++ b/test/regression/issue/03091.test.ts
diff --git a/test/regression/issue/03216.test.ts b/test/regression/issue/03216.test.ts
new file mode 100644
index 000000000..fd4f391d0
--- /dev/null
+++ b/test/regression/issue/03216.test.ts
@@ -0,0 +1,42 @@
+// https://github.com/oven-sh/bun/issues/3216
+import { test, expect } from "bun:test";
+import { tmpdir } from "os";
+import { mkdtempSync, writeFileSync } from "fs";
+import { join } from "path";
+import { bunExe } from "harness";
+
+test("runtime directory caching gets invalidated", () => {
+  const tmp = mkdtempSync(join(tmpdir(), "bun-test-"));
+  writeFileSync(
+    join(tmp, "index.ts"),
+    `const file = \`\${import.meta.dir}/temp.mjs\`;
+
+import { existsSync, unlinkSync, writeFileSync } from "fs";
+
+if (existsSync(file)) {
+  console.log("temp.mjs cannot exist before running this script");
+  unlinkSync(file);
+  process.exit(2);
+}
+
+writeFileSync(file, "export default 1;");
+
+try {
+  const module = await import(file);
+  console.log(module.default);
+} finally {
+  unlinkSync(file);
+}
+`,
+  );
+
+  const result = Bun.spawnSync({
+    cmd: [bunExe(), "run", join(tmp, "index.ts")],
+    cwd: tmp,
+  });
+
+  console.log(bunExe(), join(tmp, "index.ts"), result.stdout.toString("utf-8"));
+
+  expect(result.exitCode).toBe(0);
+  expect(result.stdout.toString("utf-8")).toBe("1\n");
+});