welcome prettier

.prettierignore

@@ -0,0 +1,4 @@
+.idea/
+dist/
+node_modules/
+coverage/

.prettierrc.js

@@ -0,0 +1,19 @@
+module.exports = {
+    overrides: [
+        {
+            files: '*.js',
+            options: {
+                tabWidth: 4,
+                singleQuote: true,
+            },
+        },
+        {
+            files: '*.ts',
+            options: {
+                tabWidth: 4,
+                singleQuote: true,
+                trailingComma: 'none',
+            },
+        },
+    ],
+};

jest.config.ts

@@ -12,4 +12,4 @@ export default async (): Promise<Config> => {
         testMatch: ['**/?(*.)+(spec|test).+(ts)'],
         verbose: true
     };
-};
+};

package.json

@@ -11,12 +11,15 @@
     "build": "tsc",
     "build:watch": "tsc --watch",
     "test": "jest",
-    "test:watch": "jest --watchAll"
+    "test:watch": "jest --watchAll",
+    "format:check": "prettier --check .",
+    "format": "prettier --check --write ."
   },
   "devDependencies": {
     "@types/jest": "^29.5.1",
     "@types/node": "^20.2.3",
     "jest": "^29.5.0",
+    "prettier": "^2.8.8",
     "ts-jest": "^29.1.0",
     "ts-node": "^10.9.1",
     "typescript": "^5.0.4"

src/index.test.ts

@@ -1,8 +1,8 @@
-import {project} from "./index";
+import { project } from './index';
 
 describe('project', () => {
     it('should add project as prefix', () => {
         const withPrefix = project('hello');
         expect(withPrefix).toEqual(`project hello`);
-    })
-})
+    });
+});

src/index.ts

@@ -1,5 +1,5 @@
 const project = (name: string) => {
     return `project ${name}`;
-}
+};
 
-export { project };
+export { project };

test/global-setup.ts

@@ -1,3 +1,3 @@
 export default async () => {
     // ignore
-}
+};

test/global-teardown.ts

@@ -1,3 +1,3 @@
 export default async () => {
     // ignore
-}
+};

tsconfig.json

@@ -12,16 +12,14 @@
     "skipLibCheck": true,
     "sourceMap": true,
     "strict": true,
-    "target": "ES2017",
+    "target": "ES2017"
   },
-  "include": [
-    "src"
-  ],
+  "include": ["src"],
   "exclude": [
     "src/**/*.test.ts",
     "src/**/*.spec.ts",
     "src/**/*.test.tsx",
     "src/**/*.spec.tsx",
     "src/**/*.snap"
   ]
-}
+}

yarn.lock

@@ -1910,6 +1910,11 @@ pkg-dir@^4.2.0:
   dependencies:
     find-up "^4.0.0"
 
+prettier@^2.8.8:
+  version "2.8.8"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.8.tgz#e8c5d7e98a4305ffe3de2e1fc4aca1a71c28b1da"
+  integrity sha512-tdN8qQGvNjw4CHbY+XXk0JgCXn9QiF21a55rBe5LJAU+kDyC4WQn4+awm2Xfk2lQMk5fKup9XgzTZtGkjBdP9Q==
+
 pretty-format@^29.0.0, pretty-format@^29.5.0:
   version "29.5.0"
   resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-29.5.0.tgz#283134e74f70e2e3e7229336de0e4fce94ccde5a"