Removed tslint, added eslint

.circleci/config.yml

@@ -18,7 +18,7 @@ save: &save
     key: code-{{ .Revision }}
     paths:
       - .
-      - "~/.npm-global"
+      - '~/.npm-global'
 
 restore: &restore
   restore_cache:
@@ -45,6 +45,7 @@ jobs:
       - <<: *node-image
     steps:
       - <<: *restore
+      - run: cd example && npm i
       - run: npm run lint
   test:
     docker:

.eslintignore

@@ -0,0 +1,2 @@
+node_modules
+dist

.eslintrc.js

@@ -0,0 +1,29 @@
+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+    mocha: true,
+    node: true,
+  },
+  extends: [
+    'eslint:recommended',
+    'plugin:import/recommended',
+    'plugin:import/typescript',
+    'plugin:react/recommended',
+    'plugin:sonarjs/recommended',
+    'prettier',
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaFeatures: {
+      jsx: true,
+    },
+    ecmaVersion: 'latest',
+    sourceType: 'module',
+  },
+  plugins: ['react', '@typescript-eslint', 'import', 'sonarjs'],
+  rules: {
+    'no-unused-vars': 'off',
+    '@typescript-eslint/no-unused-vars': ['error'],
+  },
+}

.prettierrc.json

@@ -18,4 +18,4 @@
       }
     }
   ]
-}
+}

example/package.json

@@ -3,10 +3,10 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "react": "17.0.2",
+    "react": "18.0.0",
     "react-csv-downloader": "file:../",
-    "react-dom": "17.0.2",
-    "react-scripts": "5.0.0"
+    "react-dom": "18.0.0",
+    "react-scripts": "5.0.1"
   },
   "scripts": {
     "start": "react-scripts start"

example/src/App.js

@@ -30,6 +30,10 @@ const asyncComputeDatas = async () => {
   return Promise.resolve(datas)
 }
 
+const asyncUndefined = async () => {
+  return Promise.resolve(undefined)
+}
+
 function App() {
   return (
     <div className="App">
@@ -44,6 +48,14 @@ function App() {
           datas={asyncComputeDatas}
           text="Using Async Callback to Compute Datas"
         />
+
+        <CsvDownloader
+          filename="myfile"
+          separator=";"
+          columns={head}
+          datas={asyncUndefined}
+          text="Async Callback returning undefined"
+        />
       </header>
     </div>
   )

mocha.bootstrap.js

@@ -1,6 +1,6 @@
-const config = require("./tsconfig.json");
+const config = require('./tsconfig.json')
 
-config.compilerOptions.module = "commonjs";
+config.compilerOptions.module = 'commonjs'
 config.transpileOnly = true
 
-require("ts-node").register(config);
+require('ts-node').register(config)