correct unintentional requirement of opts.nodeElmCompilerOptions

should be optional

Author: hmsk

src/index.ts

@@ -43,15 +43,17 @@ type NodeElmCompilerOptions = {
   verbose?: boolean
 }
 
-export const plugin = (opts?: {
-  debug?: boolean
-  optimize?: boolean
-  nodeElmCompilerOptions: NodeElmCompilerOptions
-}): Plugin => {
+export const plugin = (
+  opts: {
+    debug?: boolean
+    optimize?: boolean
+    nodeElmCompilerOptions?: NodeElmCompilerOptions
+  } = {},
+): Plugin => {
   const compilableFiles: Map<string, Set<string>> = new Map()
-  const debug = opts?.debug
-  const optimize = opts?.optimize
-  const compilerOptionsOverwrite = opts?.nodeElmCompilerOptions ?? {}
+  const debug = opts.debug
+  const optimize = opts.optimize
+  const compilerOptionsOverwrite = opts.nodeElmCompilerOptions ?? {}
 
   return {
     name: 'vite-plugin-elm',