Set up vite config

packages/svelte/package.json

@@ -44,8 +44,8 @@
     "ts-node": "^10.9.2",
     "tslib": "^2.8.1",
     "typescript": "^5.8.3",
-    "vite": "^6.3.5",
+    "vite": "^4.5.0",
-    "vite-plugin-dts": "^4.5.3"
+    "vite-plugin-dts": "^3.8.1"
   },
   "peerDependencies": {
     "svelte": "^3.50.0"

packages/svelte/vite.config.ts

@@ -0,0 +1,57 @@
+// packages/my-svelte-lib/vite.config.ts
+import { defineConfig } from "vite";
+import { svelte } from "@sveltejs/vite-plugin-svelte";
+import sveltePreprocess from "svelte-preprocess";
+import dts from "vite-plugin-dts";
+import path from "path";
+import pkg from "./package.json" assert { type: "json" }; // Updated import
+
+const ldoAndRdfDeps = Object.keys(pkg.dependencies || {}).filter(
+  (dep) => dep.startsWith("@ldo/") || dep.startsWith("@rdfjs/"),
+);
+
+const externalDeps = [
+  ...Object.keys(pkg.peerDependencies || {}),
+  ...ldoAndRdfDeps,
+  /^svelte(\/.+)?$/,
+];
+
+export default defineConfig({
+  plugins: [
+    svelte({
+      preprocess: sveltePreprocess({
+        typescript: true,
+      }),
+    }),
+    dts({
+      outDir: "dist",
+      insertTypesEntry: true,
+    }),
+  ],
+  build: {
+    outDir: "dist",
+    sourcemap: true,
+    lib: {
+      entry: path.resolve(__dirname, "src/index.ts"),
+      name: "LdoSvelte",
+      fileName: (format) => {
+        if (format === "es") return "index.mjs";
+        if (format === "cjs") return "index.cjs";
+        return `index.${format}.js`;
+      },
+      formats: ["es", "cjs"],
+    },
+    rollupOptions: {
+      external: externalDeps,
+      output: {
+        exports: "auto",
+      },
+    },
+  },
+  resolve: {
+    dedupe: ["svelte"],
+    alias: {
+      $lib: path.resolve(__dirname, "src"),
+    },
+  },
+});