Upgrade dev dependencies, including eslint (#767)

eslint.config.js

@@ -0,0 +1,59 @@
+const eslintJs = require("@eslint/js");
+const eslintPluginReact = require("eslint-plugin-react");
+const globals = require("globals");
+const typescriptEslint = require("typescript-eslint");
+
+module.exports = [
+    eslintJs.configs.recommended,
+    typescriptEslint.configs.eslintRecommended,
+    {
+        settings: {
+            react: {
+                version: "18.3.1",
+            },
+        },
+        ...eslintPluginReact.configs.flat.recommended,
+    },
+    ...typescriptEslint.configs.strictTypeChecked,
+    ...typescriptEslint.configs.stylisticTypeChecked,
+    {
+        name: "react-to-print/base",
+        files: [
+            "**/*.ts",
+            "**/*.tsx",
+        ],
+        languageOptions: {
+            ecmaVersion: 5,
+            globals: {
+                ...globals.browser,
+            },
+            parser: typescriptEslint.parser,
+            parserOptions: {
+                project: "tsconfig.json",
+                projectService: true,
+            },
+            sourceType: "module",
+        },
+        linterOptions: {
+            reportUnusedDisableDirectives: "error",
+        },
+        plugins: {
+            "@typescript-eslint": typescriptEslint.plugin,
+        },
+        rules: {
+            "@typescript-eslint/explicit-module-boundary-types": "off",
+            "@typescript-eslint/no-explicit-any": "off",
+            "@typescript-eslint/no-non-null-assertion": "off",
+            "@typescript-eslint/non-nullable-type-assertion-style": "off",
+            "@typescript-eslint/prefer-for-of": "off",
+            "@typescript-eslint/restrict-template-expressions": ["error", {
+                allowNumber: true,
+            }],
+            "max-len": ["error", {
+                code: 120,
+                ignoreComments: true,
+                ignoreStrings: true,
+            }],
+        },
+    }
+];