fix: ignore .ts and .js extensions form imports

Author: nohehf

languages/tree-sitter-stack-graphs-typescript/src/stack-graphs.tsg

@@ -260,7 +260,7 @@ attribute node_symbol = node            => symbol = (source-text node), source_n
 
   ; expose globals
   edge proj_scope -> @prog.globals
-
+  
   var mod_scope = proj_scope
   if (not (is-empty @imexs)) {
     ; module definition
@@ -541,7 +541,9 @@ attribute node_symbol = node            => symbol = (source-text node), source_n
   ; module reference
   var mod_scope = mod_ref__ns
   scan (path-normalize mod_path) {
-    "([^/]+)/?" {
+    ; ignore .js and .ts extensions on imports, as ts allows this
+    ; this might lead to false positives
+    "([^/|(\.j|ts)]+)/?" {
       node mod_ref
       attr (mod_ref) push_symbol = $1
       edge mod_ref -> mod_scope

languages/tree-sitter-stack-graphs-typescript/test/modules/import-extension-js.ts

@@ -0,0 +1,6 @@
+/* --- path: src/foo.ts --- */
+export const bar = 42;
+
+/* --- path: src/index.ts --- */
+import { bar } from "./foo.js";
+//       ^ defined: 2

languages/tree-sitter-stack-graphs-typescript/test/modules/import-extension-none.ts

@@ -0,0 +1,6 @@
+/* --- path: src/foo.ts --- */
+export const bar = 42;
+
+/* --- path: src/index.ts --- */
+import { bar } from "./foo";
+//       ^ defined: 2

languages/tree-sitter-stack-graphs-typescript/test/modules/import-extension-ts.ts

@@ -0,0 +1,6 @@
+/* --- path: src/foo.ts --- */
+export const bar = 42;
+
+/* --- path: src/index.ts --- */
+import { bar } from "./foo.ts";
+//       ^ defined: 2