Fix deepsource issues

Author: mayank1513

lib/__tests__/index.test.ts

@@ -1,7 +1,7 @@
 import fs from "node:fs";
 import path from "node:path";
 import { describe, test, beforeAll } from "vitest";
-import esbuild, { build } from "esbuild";
+import esbuild from "esbuild";
 import react18Plugin, { React18PluginOptions } from "../src";
 import glob from "tiny-glob";
 import cssPlugin from "esbuild-plugin-react18-css";

lib/src/index.ts

@@ -105,7 +105,7 @@ function replaceSource(sourceReplacePattern: ReplacePattern, build: PluginBuild)
   if (sourceReplacePattern.replaceParams.length === 0) return;
   /** Add namespace file to avoid conflict with ignored files */
   build.onLoad({ filter: sourceReplacePattern.pathPattern, namespace: "file" }, args => {
-    let text = fs.readFileSync(args.path, "utf8");
+    const text = fs.readFileSync(args.path, "utf8");
     /** todo: test if loader is a valid OnLoadResult.loader
      * If it is not a valid loader error will be thrown
      */