Revert "Merge pull request #249 from reillyjodonnell/reilly-target-esm"

This reverts commit 1b68904, reversing
changes made to 0664ce8.

src/index.ts

@@ -1,5 +1,4 @@
-import { useWebSocket } from './lib/use-websocket';
-export default useWebSocket;
+export { useWebSocket as default } from './lib/use-websocket';
 
 export { SendMessage, Options } from './lib/types';
 

tsconfig.json

@@ -1,21 +1,27 @@
 {
   "compilerOptions": {
-    "outDir": "./dist/",
-    "sourceMap": true,
-    "module": "ESNext",
-    "esModuleInterop": true,
-    "target": "ESNext",
-    "jsx": "react",
-    "skipLibCheck": true,
-    "lib": ["es2017", "dom"],
-    "types": ["node", "websocket", "jest"],
-    "strict": true,
-    "declaration": true,
-    "baseUrl": ".",
-    "paths": {
-      "@lib/*": ["src/lib/*"]
+      "outDir": "./dist/",
+      "sourceMap": true,
+      "module": "commonjs",
+      "esModuleInterop": true,
+      "target": "es5",
+      "jsx": "react",
+      "skipLibCheck": true,
+      "lib": ["es2017", "dom"],
+      "types" : ["node", "websocket", "jest"],
+      "strict": true,
+      "declaration": true,
+      "baseUrl": ".",
+      "paths": {
+        "@lib/*": [
+            "src/lib/*"
+        ]
     }
   },
-  "files": ["./src/index.ts"],
-  "include": ["src/*"]
+  "files": [
+    "./src/index.ts"
+  ],
+  "include": [
+    "src/*"
+  ]
 }