feat: add cjs build (#22)

package.json

@@ -3,20 +3,23 @@
   "description": "i18n library for Yandex Cloud UI services",
   "version": "0.4.0",
   "license": "MIT",
-  "main": "build/esm/index.js",
+  "main": "build/cjs/index.js",
+  "module": "build/esm/index.js",
+  "types": "build/esm/index.d.ts",
   "repository": "[email protected]:yandex-cloud/i18n",
   "scripts": {
-    "build": "tsc",
+    "build": "npm run build:clean && npm run build:compile",
+    "build:compile": "tsc -p tsconfig.json && tsc -p tsconfig.cjs.json",
+    "build:clean": "rm -rf build",
     "lint": "eslint src/*",
-    "prepublish": "rm -rf build && npm run build",
+    "prepublish": "npm run build",
     "test": "jest",
     "typecheck": "tsc --noEmit"
   },
   "files": [
     "example",
     "build"
   ],
-  "types": "build/esm/index.d.ts",
   "publishConfig": {
     "access": "public"
   },

tsconfig.cjs.json

@@ -0,0 +1,9 @@
+{
+  "extends": "@yandex-cloud/tsconfig/tsconfig",
+  "compilerOptions": {
+    "outDir": "build/cjs",
+    "declaration": true
+  },
+  "include": ["src/*.ts"],
+  "exclude": ["**/*.spec.ts"]
+}