diff --git a/package.json b/package.json
index ba06634..e964131 100644
--- a/package.json
+++ b/package.json
@@ -12,8 +12,7 @@
     "style:fix": "yarn style --fix",
     "verify": "yarn style && yarn test",
     "test": "yarn test:unit",
-    "test:unit": "c8 -r html -r text -r lcov --exclude src/test uvu -r tsm src/test",
-    "test:unit2": "tsc && c8 -r html -r text -r lcov --exclude dist/test uvu dist/test -i \\d+.ts"
+    "test:unit": "c8 -r html -r text -r lcov --exclude src/test uvu -r tsm src/test"
   },
   "type": "module",
   "types": "dist/main/index.d.ts",
diff --git a/src/main/index.ts b/src/main/index.ts
index 7ee6af8..750742c 100644
--- a/src/main/index.ts
+++ b/src/main/index.ts
@@ -1,2 +1,4 @@
-export { toposortExtra } from './extra.js'
-export { toposort as array, toposortDefault as default } from './toposort.js'
+export * from "./extra.js";
+export * from "./toposort.js";
+
+export {toposortDefault as default} from "./toposort.js";
\ No newline at end of file
diff --git a/src/main/toposort.ts b/src/main/toposort.ts
index df03629..4573be6 100644
--- a/src/main/toposort.ts
+++ b/src/main/toposort.ts
@@ -39,7 +39,7 @@ function visitFactory(visited: Record<string, boolean>, outgoingEdges: Map<unkno
   return visit
 }
 
-export function toposortCore(nodes: unknown[], edges: unknown[][]) {
+function toposortCore(nodes: unknown[], edges: unknown[][]) {
   const cursor = nodes.length
   let i = cursor
   const sorted = [cursor]
@@ -67,3 +67,5 @@ export function toposortDefault(edges: unknown[][]) {
 
 toposortDefault.array = toposort
 
+export default toposortDefault
+
diff --git a/tsconfig.json b/tsconfig.json
index bfec41e..075949a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -25,9 +25,9 @@
     // "moduleDetection": "auto",                        /* Control what method is used to detect module-format JS files. */
 
     /* Modules */
-    "module": "commonjs",                                /* Specify what module code is generated. */
+    "module": "ES2020",                                /* Specify what module code is generated. */
     // "rootDir": "./",                                  /* Specify the root folder within your source files. */
-    // "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
+    "moduleResolution": "node",                       /* Specify how TypeScript looks up a file from a given module specifier. */
     // "baseUrl": "./",                                  /* Specify the base directory to resolve non-relative module names. */
     // "paths": {},                                      /* Specify a set of entries that re-map imports to additional lookup locations. */
     // "rootDirs": [],                                   /* Allow multiple folders to be treated as one when resolving modules. */