fix exports in package.json, add index.d.cts to dist

.changeset/spicy-boxes-cry.md

@@ -0,0 +1,5 @@
+---
+"react-share": patch
+---
+
+Fixed `exports` in package.json to comply with the `publint` and `attw` tools. May solve issues when your project uses CommonJS modules and Node.js v16 or newer.

package.json

@@ -7,16 +7,11 @@
   "types": "./dist/index.d.ts",
   "module": "./dist/index.js",
   "exports": {
-    ".": {
-      "import": "./dist/index.js",
-      "require": "./dist/index.cjs",
-      "types": "./dist/index.d.ts"
-    }
+    "import": "./dist/index.js",
+    "require": "./dist/index.cjs"
   },
   "sideEffects": false,
-  "files": [
-    "dist"
-  ],
+  "files": ["dist"],
   "scripts": {
     "build": "vite build",
     "build-demo": "vite build --config vite.demo.config.js",

vite.config.js

@@ -7,7 +7,17 @@ import dts from 'vite-plugin-dts';
 const { dependencies, peerDependencies } = JSON.parse(fs.readFileSync(`./package.json`, 'utf8'));
 
 export default defineConfig({
-  plugins: [react(), dts({ rollupTypes: true })],
+  plugins: [
+    react(),
+    dts({
+      rollupTypes: true,
+      afterBuild: () => {
+        // https://github.com/qmhc/vite-plugin-dts/issues/267
+        fs.copyFileSync('dist/index.d.ts', 'dist/index.d.cts');
+      },
+    }),
+  ],
+
   build: {
     target: 'es2017',
     lib: {