スナップショットテストを追加

.github/workflows/ci.yaml

@@ -0,0 +1,23 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 20
+
+      - run: pnpm install
+      - run: pnpm test

.npmignore

@@ -3,5 +3,6 @@ node_modules
 test
 src
 .vscode
-tsconffig.json
+tsconfig.json
 tsup.config.ts
+vitest.config.ts

package.json

@@ -3,7 +3,8 @@
   "type": "module",
   "version": "0.1.2",
   "scripts": {
-    "build": "tsup"
+    "build": "tsup",
+    "test": "vitest --run"
   },
   "main": "./dist/index.js",
   "exports": {
@@ -26,13 +27,15 @@
     "esbuild": ">=0.17.0"
   },
   "dependencies": {
-    "@types/node": "^20.14.9",
-    "estree-util-visit": "^2.0.0",
     "meriyah": "^4.5.0"
   },
   "devDependencies": {
+    "@types/node": "^20.14.9",
     "esbuild": "^0.21.5",
+    "is-number": "^7.0.0",
     "tsup": "^8.1.0",
-    "typescript": "^5.5.2"
+    "tsx": "^4.16.0",
+    "typescript": "^5.5.2",
+    "vitest": "^1.6.0"
   }
 }