Fix a bug breaking strict mode syntax

Author: mayank1513

lib/src/index.ts

@@ -125,7 +125,7 @@ function replaceBuild(buildReplacePattern: ReplacePattern, result: BuildResult)
 
 const useClientRegExp = /^(["']use strict["'];)?["']use client["'];?/i;
 const useServerRegExp = /^(["']use strict["'];)?["']use server["'];?/i;
-const jsxImportRegExp = /(var |,)?[a-zA-Z_$][\w$]*=require\("react\/jsx-runtime"\)[;,]?/g;
+const jsxImportRegExp = /(var |,)[a-zA-Z_$][\w$]*=require\("react\/jsx-runtime"\)[;,]?/g;
 const regExp2replace2GetVar0 = /(var |,)/;
 const regExp2replace2GetVar = /[=]require\(['"]react\/jsx-runtime['"]\)[;,]?/;
 
@@ -161,9 +161,10 @@ function onEndCallBack(result: BuildResult, options: React18PluginOptions, write
             .replace(regExp2replace2GetVar, "")
             .replace(regExp2replace2GetVar0, "");
           for (let index = 1; index < jsxMatches.length; index++) {
-            const token = jsxMatches[index];
-            const toReplace = /^,.*,$/.test(token) ? token.slice(1) : token;
-            txt = txt.replace(toReplace, "");
+            let token = jsxMatches[index];
+            if (/^,.*,$/.test(token)) token = token.slice(1);
+            else if (token.startsWith("var ") && token.endsWith(",")) token = token.slice(4);
+            txt = txt.replace(token, "");
             const v1 = jsxMatches[index]
               .replace(regExp2replace2GetVar, "")
               .replace(regExp2replace2GetVar0, "");