Filter local import

packages/next-swc/crates/core/src/next_ssg.rs

@@ -360,7 +360,11 @@ impl Fold for NextSsg {
             | ImportSpecifier::Default(ImportDefaultSpecifier { local, .. })
             | ImportSpecifier::Namespace(ImportStarAsSpecifier { local, .. }) => {
                 if self.should_remove(local.to_id()) {
-                    if self.state.is_server_props {
+                    if self.state.is_server_props
+                        // filter out non-packages import
+                        // third part packages must start with `a-z` or `@`
+                        && import_src.starts_with(|c: char| c.is_ascii_lowercase() || c == '@')
+                    {
                         self.state
                             .eliminated_packages
                             .borrow_mut()

packages/next-swc/crates/core/tests/telemetry.rs

@@ -0,0 +1,59 @@
+use std::cell::RefCell;
+use std::rc::Rc;
+use std::sync::Arc;
+
+use fxhash::FxHashSet;
+use next_swc::next_ssg::next_ssg;
+use once_cell::sync::Lazy;
+use swc::{try_with_handler, Compiler};
+use swc_common::{FileName, FilePathMapping, SourceMap};
+use swc_ecmascript::transforms::pass::noop;
+
+static COMPILER: Lazy<Arc<Compiler>> = Lazy::new(|| {
+    let cm = Arc::new(SourceMap::new(FilePathMapping::empty()));
+
+    Arc::new(Compiler::new(cm))
+});
+
+#[test]
+fn should_collect_estimated_third_part_packages() {
+    let eliminated_packages: Rc<RefCell<FxHashSet<String>>> = Default::default();
+    let fm = COMPILER.cm.new_source_file(
+        FileName::Real("fixture.js".into()),
+        r#"import http from 'http'
+import { hash } from '@napi-rs/bcrypt'
+
+import { omit } from '~/utils/omit'
+import config from './data.json'
+
+export default () => 'Hello World'
+
+export function getServerSideProps() {
+  console.log(http)
+  console.log(config)
+  return { props: { digest: hash('hello') } }
+}
+"#
+        .to_owned(),
+    );
+    assert!(
+        try_with_handler(COMPILER.cm.clone(), Default::default(), |handler| {
+            COMPILER.process_js_with_custom_pass(
+                fm,
+                None,
+                handler,
+                &Default::default(),
+                |_, _| next_ssg(eliminated_packages.clone()),
+                |_, _| noop(),
+            )
+        })
+        .is_ok()
+    );
+    assert_eq!(
+        eliminated_packages
+            .borrow()
+            .iter()
+            .collect::<Vec<&String>>(),
+        vec!["@napi-rs/bcrypt", "http"]
+    );
+}