feat: add transformer implementation

Author: 福晋

.eslintrc.json

@@ -0,0 +1,25 @@
+{
+  "env": {
+    "node": true,
+    "es2020": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 2020,
+    "sourceType": "module"
+  },
+  "parser": "@typescript-eslint/parser",
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/recommended",
+    "prettier"
+  ],
+  "plugins": ["@typescript-eslint"],
+  "rules": {
+    "@typescript-eslint/no-explicit-any": "warn",
+    "@typescript-eslint/no-unused-vars": ["warn", { "argsIgnorePattern": "^_" }],
+    "@typescript-eslint/explicit-function-return-type": "off",
+    "@typescript-eslint/no-non-null-assertion": "warn",
+    "no-console": "off"
+  },
+  "ignorePatterns": ["dist/", "node_modules/", "test/fixtures/"]
+}

.prettierrc.json

@@ -0,0 +1,8 @@
+{
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "printWidth": 100,
+  "tabWidth": 2,
+  "arrowParens": "always"
+}

README.md

@@ -4,10 +4,12 @@
   "description": "A local context retrieval library that enables semantic search over your documentation. It loads documents (Markdown, JSON, Text), vectorizes them using [Transformers.js](https://huggingface.co/transformers.js), and stores vectors locally in `.zvec` files for fast semantic querying. ",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
-  "type": "module",
   "scripts": {
     "build": "tsc",
-    "test": "vitest run --coverage"
+    "test": "vitest run --coverage",
+    "lint": "eslint src/ --ext .ts",
+    "lint:fix": "eslint src/ --ext .ts --fix",
+    "format": "prettier --write 'src/**/*.ts' 'test/**/*.ts'"
   },
   "keywords": [
     "context",
@@ -28,7 +30,12 @@
   },
   "devDependencies": {
     "@types/node": "^20.0.0",
+    "@typescript-eslint/eslint-plugin": "^7.0.0",
+    "@typescript-eslint/parser": "^7.0.0",
     "@vitest/coverage-v8": "^3.2.6",
+    "eslint": "^8.0.0",
+    "eslint-config-prettier": "^9.0.0",
+    "prettier": "^3.0.0",
     "typescript": "^5.0.0",
     "vitest": "^3.2.6"
   },