feat: Initial commit of PDF Tools project

.eslintrc.json

@@ -0,0 +1,103 @@
+{
+  "root": true,
+  "env": {
+    "node": true,
+    "es2022": true,
+    "jest": true
+  },
+  "extends": [
+    "eslint:recommended",
+    "@typescript-eslint/recommended"
+  ],
+  "parser": "@typescript-eslint/parser",
+  "parserOptions": {
+    "ecmaVersion": 2022,
+    "sourceType": "module",
+    "ecmaFeatures": {
+      "jsx": true
+    }
+  },
+  "plugins": [
+    "@typescript-eslint",
+    "react",
+    "react-hooks"
+  ],
+  "rules": {
+    // 基础规则
+    "no-console": ["warn", { "allow": ["warn", "error"] }],
+    "no-debugger": "error",
+    "no-unused-vars": "off",
+    "@typescript-eslint/no-unused-vars": ["error", { "argsIgnorePattern": "^_" }],
+    
+    // TypeScript规则
+    "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/explicit-module-boundary-types": "off",
+    "@typescript-eslint/no-explicit-any": "warn",
+    "@typescript-eslint/no-empty-function": "warn",
+    
+    // React规则
+    "react/prop-types": "off",
+    "react/react-in-jsx-scope": "off",
+    "react-hooks/rules-of-hooks": "error",
+    "react-hooks/exhaustive-deps": "warn",
+    
+    // 代码风格
+    "indent": ["error", 2],
+    "quotes": ["error", "single"],
+    "semi": ["error", "always"],
+    "comma-dangle": ["error", "only-multiline"],
+    "object-curly-spacing": ["error", "always"],
+    "array-bracket-spacing": ["error", "never"],
+    
+    // 最佳实践
+    "eqeqeq": ["error", "always"],
+    "no-var": "error",
+    "prefer-const": "error",
+    "prefer-arrow-callback": "error",
+    "arrow-spacing": "error",
+    "no-duplicate-imports": "error",
+    
+    // 安全规则
+    "no-eval": "error",
+    "no-implied-eval": "error",
+    "no-new-func": "error",
+    "no-script-url": "error"
+  },
+  "overrides": [
+    {
+      "files": ["client/src/**/*"],
+      "env": {
+        "browser": true,
+        "node": false
+      },
+      "extends": [
+        "react-app",
+        "react-app/jest"
+      ]
+    },
+    {
+      "files": ["server/**/*"],
+      "env": {
+        "node": true,
+        "browser": false
+      },
+      "rules": {
+        "no-console": "off"
+      }
+    },
+    {
+      "files": ["**/*.test.js", "**/*.test.ts", "**/*.test.tsx"],
+      "env": {
+        "jest": true
+      },
+      "rules": {
+        "@typescript-eslint/no-explicit-any": "off"
+      }
+    }
+  ],
+  "settings": {
+    "react": {
+      "version": "detect"
+    }
+  }
+}