test: run jest sequentially

Author: aidenybai

.npmignore

@@ -11,6 +11,7 @@ coverage
 # Build Config
 tsconfig.json
 rollup.config.js
+jest.config.js
 .gitignore
 .babelrc
 .travis.yml

jest.config.js

@@ -0,0 +1,7 @@
+module.exports = {
+  collectCoverage: true,
+  maxWorkers: '50%',
+  transform: {
+    '.(ts)': 'ts-jest',
+  },
+};

package.json

@@ -9,7 +9,7 @@
   "scripts": {
     "dev": "npx esbuild src/browser.ts --bundle --watch --sourcemap --outfile=dist/lucia.js",
     "build": "npx del-cli dist/ && npx rollup -c",
-    "test": "jest --coverage --silent",
+    "test": "jest --silent --runInBand",
     "cleanup": "prettier --write src --parser typescript",
     "prepublishOnly": "npm run build"
   },
@@ -63,10 +63,5 @@
     "rollup-plugin-typescript2": "^0.30.0",
     "ts-jest": "^26.4.2",
     "typescript": "^4.1.2"
-  },
-  "jest": {
-    "transform": {
-      ".(ts)": "ts-jest"
-    }
   }
 }