feat: add vite config 🎉

Signed-off-by: Vinayak Kulkarni <19776877+vinayakkulkarni@users.noreply.github.com>

vite.config.ts

@@ -0,0 +1,55 @@
+import { resolve } from 'path';
+import { defineConfig } from 'vite';
+import dts from 'vite-plugin-dts';
+import pkg from './package.json';
+
+const banner = `/*!
+ * ${pkg.name} v${pkg.version}
+ * ${pkg.description}
+ * (c) 2021 ${pkg.author.name}<${pkg.author.email}>
+ * Released under the ${pkg.license} License
+ */
+`;
+
+export default defineConfig({
+  build: {
+    target: 'esnext',
+    sourcemap: true,
+    reportCompressedSize: true,
+    lib: {
+      entry: resolve(__dirname, 'src/index.ts'),
+      name: 'MapboxGlInterpolateHeatmap',
+      formats: ['es', 'cjs', 'umd'],
+      fileName: pkg.name,
+    },
+    commonjsOptions: {
+      extensions: ['.js', '.ts'],
+      strictRequires: true,
+      exclude: 'src/**',
+      include: 'node_modules/**',
+    },
+    rollupOptions: {
+      // make sure to externalize deps that shouldn't be bundled
+      // into your library
+      external: ['mapbox-gl', 'earcut'],
+      output: {
+        banner,
+        exports: 'named',
+        strict: true,
+        sourcemap: true,
+        extend: true,
+        // Provide global variables to use in the UMD build
+        // for externalized deps
+        globals: {
+          earcut: 'earcut',
+          'mapbox-gl': 'mapboxgl',
+        },
+      },
+    },
+  },
+  plugins: [
+    dts({
+      outputDir: ['dist'],
+    }),
+  ],
+});