Upgrade dependencies

.eslintrc

@@ -0,0 +1,6 @@
+{
+  "extends": [
+    "important-stuff"
+  ],
+  "parser": "@babel/eslint-parser"
+}

.github/workflows/build_and_test.yaml

@@ -0,0 +1,25 @@
+name: Build and test
+
+on:
+  push:
+    branches: main
+  pull_request:
+    branches: "*"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: "16"
+      - uses: pnpm/action-setup@v2.0.1
+        with:
+          version: 6.16.0
+      - run: pnpm install --frozen-lockfile
+      - run: pnpm test
+      - run: pnpm run lint
+      - run: pnpm run check-format
+      - run: pnpm run build

.husky/pre-commit

@@ -0,0 +1,4 @@
+#!/bin/sh
+. "$(dirname "$0")/_/husky.sh"
+
+pnpm exec pretty-quick --staged && pnpm test

.prettierignore

@@ -0,0 +1,3 @@
+pnpm-lock.yaml
+.babelrc
+.eslintrc

jest.config.js

@@ -0,0 +1,8 @@
+/** 
+  @type {import('@jest/types').Config.ProjectConfig}
+*/
+const config = {
+  testEnvironment: "jsdom",
+};
+
+module.exports = config;

package.json

@@ -6,13 +6,12 @@
   "scripts": {
     "build": "babel src --out-dir lib --source-maps",
     "test": "jest",
+    "format": "prettier --write .",
+    "check-format": "prettier --check .",
     "coverage": "jest --coverage",
-    "prepublishOnly": "yarn build"
-  },
-  "husky": {
-    "hooks": {
-      "pre-commit": "pretty-quick --staged && yarn test"
-    }
+    "lint": "eslint src",
+    "prepublishOnly": "pnpm run build",
+    "prepare": "husky install"
   },
   "repository": {
     "type": "git",
@@ -35,11 +34,14 @@
   "devDependencies": {
     "@babel/cli": "^7.8.4",
     "@babel/core": "^7.8.4",
+    "@babel/eslint-parser": "^7.15.8",
     "@babel/preset-env": "^7.8.4",
-    "@types/jest": "^25.1.2",
-    "husky": "^4.2.2",
-    "jest": "^25.1.0",
-    "prettier": "^1.19.1",
-    "pretty-quick": "^2.0.1"
+    "@types/jest": "^27.0.2",
+    "eslint": "^8.0.0",
+    "eslint-config-important-stuff": "^1.1.0",
+    "husky": "^7.0.0",
+    "jest": "^27.2.5",
+    "prettier": "^2.4.1",
+    "pretty-quick": "^3.1.1"
   }
 }