Fix linter in toolbox

packages/hardhat-toolbox/.eslintrc.js

@@ -1,7 +1,7 @@
 module.exports = {
   extends: [`${__dirname}/../../config/eslint/eslintrc.js`],
   parserOptions: {
-    project: `${__dirname}/tsconfig.json`,
+    project: `${__dirname}/src/tsconfig.json`,
     sourceType: "module",
   },
 };

packages/hardhat-toolbox/.prettierignore

@@ -3,4 +3,9 @@
 /test/fixture-projects/**/artifacts
 /test/fixture-projects/**/artifacts-dir
 /test/fixture-projects/**/cache
+/*.d.ts
+/*.d.ts.map
+/*.js
+/*.js.map
+/build-test
 CHANGELOG.md

packages/hardhat-toolbox/README.md

@@ -22,8 +22,7 @@ If you want to migrate an existing Hardhat project to use the Toolbox, read [our
 
 ### Network Helpers
 
-When the Toolbox is installed using npm 7 or later, its peer dependencies are automatically installed. However, these dependencies won't be listed in the `package.json`. As a result, directly importing the Network Helpers can be problematic for certain tools or IDEs.
-To address this issue, the Toolbox re-exports the Hardhat Network Helpers. You can use them like this:
+When the Toolbox is installed using npm 7 or later, its peer dependencies are automatically installed. However, these dependencies won't be listed in the `package.json`. As a result, directly importing the Network Helpers can be problematic for certain tools or IDEs. To address this issue, the Toolbox re-exports the Hardhat Network Helpers. You can use them like this:
 
 ```ts
 import helpers from "@nomicfoundation/hardhat-toolbox/network-helpers";

packages/hardhat-toolbox/package.json

@@ -25,7 +25,7 @@
     "test": "mocha --recursive \"test/**/*.ts\" --exit",
     "build": "tsc --build .",
     "prepublishOnly": "yarn build",
-    "clean": "rimraf dist"
+    "clean": "rimraf dist *.{d.ts,js}{,.map} build-test tsconfig.tsbuildinfo"
   },
   "files": [
     "src/",

packages/hardhat-toolbox/test/.eslintrc.js

@@ -0,0 +1,15 @@
+module.exports = {
+  extends: [`${__dirname}/../.eslintrc.js`],
+  parserOptions: {
+    project: `${__dirname}/../tsconfig.json`,
+    sourceType: "module",
+  },
+  rules: {
+    "import/no-extraneous-dependencies": [
+      "error",
+      {
+        devDependencies: true,
+      },
+    ],
+  },
+};