Fix adding declaration types on svelte transformer

Author: andrelmlins

package.json

@@ -3,7 +3,7 @@
   "description": "Typescript declaration generator for svelte with typescript",
   "main": "dist/index.js",
   "types": "dist/index.ts",
-  "version": "0.3.4",
+  "version": "0.3.5",
   "license": "MIT",
   "homepage": "https://github.com/andrelmlins/svelte-dts",
   "repository": "https://github.com/andrelmlins/svelte-dts",

src/transformer/svelte.ts

@@ -60,7 +60,7 @@ class SvelteTransformer implements ITransformer {
       (item) => item.getText(this.sourceFile) === newType.getText(this.sourceFile)
     );
 
-    if (!includeType) {
+    if (!includeType || this.typesForSearch.length === 0) {
       this.typesForSearch.push(newType);
     }
   }