feat: null check + lint

Author: alexandremoore-lmi

.eslintrc

@@ -1,23 +1,36 @@
 {
-  "parser": "babel-eslint",
-  "extends": [
-    "standard",
-    "standard-react"
-  ],
   "env": {
-    "es6": true
+    "browser": true,
+    "commonjs": true,
+    "es6": true,
+    "jest": true,
+    "node": true
+  },
+  "settings": {
+    "react": {
+      "version": "detect"
+    }
   },
-  "plugins": [
-    "react"
+  "extends": [
+    "eslint:recommended",
+    "plugin:react/recommended",
+    "plugin:prettier/recommended"
   ],
+  "globals": {
+    "Atomics": "readonly",
+    "SharedArrayBuffer": "readonly"
+  },
+  "parser": "babel-eslint",
   "parserOptions": {
+    "ecmaFeatures": {
+      "jsx": true
+    },
+    "ecmaVersion": 2018,
     "sourceType": "module"
   },
+  "plugins": ["import", "react", "react-hooks", "prettier"],
   "rules": {
-    // don't force es6 functions to include space before paren
-    "space-before-function-paren": 0,
-
-    // allow specifying true explicitly for boolean props
-    "react/jsx-boolean-value": 0
+    "react-hooks/rules-of-hooks": "error",
+    "react-hooks/exhaustive-deps": "warn"
   }
 }

package-lock.json

@@ -20,6 +20,9 @@
     "test:watch": "react-scripts test --env=jsdom",
     "build": "rollup -c",
     "start": "rollup -c -w",
+    "lint": "eslint --ext .js --ext .jsx ./src",
+    "lint:fix": "eslint --ext .js --ext .jsx ./src --fix",
+    "prettier": "prettier --write 'src/**/*.{js,ts,html,tsx,jsx,json,scss,css,md}'",
     "prepare": "npm run build",
     "copy": "cpx ./config/package.json dist",
     "predeploy": "cd example && npm install && npm run build",
@@ -41,14 +44,16 @@
     "babel-preset-stage-0": "^6.24.1",
     "cpx": "^1.5.0",
     "cross-env": "^5.1.4",
-    "eslint-config-standard": "^11.0.0",
-    "eslint-config-standard-react": "^6.0.0",
-    "eslint-plugin-import": "^2.13.0",
-    "eslint-plugin-node": "^7.0.1",
-    "eslint-plugin-promise": "^4.0.0",
-    "eslint-plugin-react": "^7.16.0",
-    "eslint-plugin-standard": "^3.1.0",
+    "eslint": "^6.5.1",
+    "eslint-config-prettier": "^6.3.0",
+    "eslint-plugin-import": "^2.18.2",
+    "eslint-plugin-node": "^10.0.0",
+    "eslint-plugin-prettier": "^3.1.1",
+    "eslint-plugin-promise": "^4.2.1",
+    "eslint-plugin-react": "^7.15.1",
+    "eslint-plugin-react-hooks": "^2.1.1",
     "gh-pages": "^1.2.0",
+    "prettier": "1.18.2",
     "react": "^16.11.0",
     "react-dom": "^16.11.0",
     "react-scripts": "^3.2.0",

package.json

@@ -1,7 +1,7 @@
-import Clampy from './'
+import Clampy from "./";
 
-describe('Clampy', () => {
-  it('is truthy', () => {
-    expect(Clampy).toBeTruthy()
-  })
-})
+describe("Clampy", () => {
+  it("is truthy", () => {
+    expect(Clampy).toBeTruthy();
+  });
+});