Update dev dependencies and other meta fixes (#109)

Co-authored-by: Kid <kidonng@gmail.com>

Author: fregante

.github/workflows/esm-lint.yml

@@ -23,7 +23,7 @@ jobs:
       - run: npm install
       - run: npm run build --if-present
       - run: npm pack --dry-run
-      - run: npm pack --silent 2>/dev/null | xargs -n1 tar -xzf
+      - run: npm pack | tail -1 | xargs -n1 tar -xzf
       - uses: actions/upload-artifact@v2
         with:
           path: package

index.ts

@@ -1,5 +1,5 @@
 import reservedNames from 'github-reserved-names/reserved-names.json';
-import collect from './collector';
+import collect from './collector.js';
 
 const exists = (selector: string) => Boolean(document.querySelector(selector));