Setup build strategy

Author: zerodevx

svelte.config.js

@@ -1,10 +1,24 @@
 import preprocess from 'svelte-preprocess'
 import adapter from '@sveltejs/adapter-static'
 
+const dev = process.argv.includes('dev')
+
 /** @type {import('@sveltejs/kit').Config} */
 const config = {
   kit: {
-    adapter: adapter()
+    adapter: adapter({
+      fallback: '404.html'
+    }),
+    paths: {
+      base: dev ? '' : '/svelte-toast'
+    }
+  },
+  compilerOptions: {
+    dev,
+    css: 'external'
+  },
+  package: {
+    emitTypes: false // to remove after migrating away from hand-written d.ts
   },
   preprocess: [
     preprocess({

vite.dist.config.js

@@ -0,0 +1,29 @@
+import { svelte } from '@sveltejs/vite-plugin-svelte'
+import { defineConfig } from 'vite'
+
+export default defineConfig({
+  plugins: [
+    svelte({
+      configFile: false,
+      compilerOptions: {
+        dev: false,
+        css: 'injected'
+      },
+      emitCss: false
+    })
+  ],
+  build: {
+    outDir: './package/dist',
+    minify: 'terser',
+    lib: {
+      entry: './src/lib/index.js',
+      name: 'window',
+      fileName: 'index'
+    },
+    rollupOptions: {
+      output: {
+        extend: true
+      }
+    }
+  }
+})