Start working on tests.

packages/js/package.json

@@ -0,0 +1,37 @@
+{
+  "name": "@terrace/core",
+  "version": "0.0.1",
+  "license": "MIT",
+  "type": "module",
+  "exports": {
+    ".": {
+      "import": "./dist/index.js",
+      "require": "./dist/index.cjs"
+    },
+    "./parser": {
+      "import": "./dist/parser.js",
+      "require": "./dist/parser.cjs"
+    },
+    "./document": {
+      "import": "./dist/document.js",
+      "require": "./dist/document.cjs"
+    },
+    "./readers/node-readline": {
+      "import": "./dist/readers/node-readline.js",
+      "require": "./dist/readers/node-readline.cjs"
+    },
+    "./readers/js-string": {
+      "import": "./dist/readers/js-string.js",
+      "require": "./dist/readers/js-string.cjs"
+    }
+  },
+  "scripts": {
+    "test": "node ./test/index.js",
+    "dev": "vite build --watch",
+    "build": "vite build"
+  },
+  "devDependencies": {
+    "vite": "^3.2.3",
+    "vitest": "^0.24.5"
+  }
+}