fix: add regex for vue SFC to prevent instrumenting style and templates

Single file Components no longer have their html or css instrumented instead of their script

Closes #96 #178 #89

src/index.ts

@@ -179,6 +179,13 @@ export default function istanbulPlugin(opts: IstanbulPluginOptions = {}): Plugin
         return;
       }
 
+      // for vue single-file components, check if the src code is the script and not the html or style
+      const isVueSFC = /[?&]vue\b(?=&|$)/.test(id);
+      const isVueSFCScript = /[?&]type=script\b(?=&|$)/.test(id);
+      if (isVueSFC && !isVueSFCScript) {
+        return;
+      }
+
       const filename = resolveFilename(id);
 
       if (testExclude.shouldInstrument(filename)) {