fix: type import paths in build

Author: zojize

build.config.ts

@@ -1,3 +1,5 @@
+import fs from 'node:fs'
+import path from 'node:path'
 import { defineBuildConfig } from 'unbuild'
 
 export default defineBuildConfig({
@@ -21,4 +23,13 @@ export default defineBuildConfig({
   rollup: {
     inlineDependencies: true,
   },
+  hooks: {
+    // workaround until this gets fixed
+    // https://github.com/nuxt/module-builder/issues/647
+    'rollup:done': function (ctx) {
+      const dts = path.resolve(ctx.options.outDir, 'types.d.mts')
+      if (fs.existsSync(dts))
+        fs.cpSync(dts, path.resolve(ctx.options.outDir, 'types.d.ts'))
+    },
+  },
 })