Plugin is the same as html-webpack-injector
npm i --save-dev html-webpack-injector-leohtml-webpack-injector
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>demo</title>
<script type="text/javascript" src="scriptA.js"></script>
</head>
<body>
<link href="styles/mainA.css" rel="stylesheet" />
<script src="scriptB.js"></script>
</body>
</html>html-webpack-injector-leo
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>demo</title>
<link href="styles/mainA.css" rel="stylesheet" />
<script type="text/javascript" src="scriptA.js"></script>
</head>
<body>
<script src="scriptB.js"></script>
</body>
</html>just put the .css in <head>