feat: add Vite configuration for library build and TypeScript definitions

Author: nicosammito

vite.config.ts

@@ -0,0 +1,34 @@
+import { defineConfig } from 'vite';
+import dts from 'vite-plugin-dts';
+import { resolve } from 'path';
+
+export default defineConfig({
+  build: {
+    lib: {
+      entry: resolve(__dirname, 'src/index.ts'),
+      name: 'triangulum',
+      fileName: (format) => `triangulum.${format}.js`,
+      formats: ['es', 'cjs']
+    },
+    rollupOptions: {
+      external: [
+        'typescript',
+        '@code0-tech/sagittarius-graphql-types',
+        'path',
+        'fs'
+      ],
+      output: {
+        globals: {
+          typescript: 'ts'
+        }
+      }
+    }
+  },
+  plugins: [
+    dts({
+      insertTypesEntry: true,
+      include: ['src/**/*.ts']
+    })
+  ]
+});
+