srph/index.html

## index.html
<html>
  <head>
  </head>
  <body>
    <script src="lib/yourlib.js"></script>
    <script>
      window.onload = function () {
        EntryPoint.run();
      };
    </script>
  </body>
</html>

## index.js
module.exports = {
  run: function () {
    console.log('run from library');
  }
};

## package.json
{
  "name": "test-webpack-library",
  "version": "1.0.0",
  "description": "",
  "main": "./lib/yourlib.js",
  "scripts": {
    "build": "webpack"
  },
  "keywords": [],
  "author": "",
  "license": "MIT"
}

## webpack.config.js
var webpack = require('webpack');

module.exports = {
  entry: './index.js',
  output: {
    path: './lib',
    filename: 'yourlib.js',
    libraryTarget: 'var',
    library: 'EntryPoint'
  }
};
	<html>
	<head>
	</head>
	<body>
	<script src="lib/yourlib.js"></script>
	<script>
	window.onload = function () {
	EntryPoint.run();
	};
	</script>
	</body>
	</html>
	module.exports = {
	run: function () {
	console.log('run from library');
	}
	};
	{
	"name": "test-webpack-library",
	"version": "1.0.0",
	"description": "",
	"main": "./lib/yourlib.js",
	"scripts": {
	"build": "webpack"
	},
	"keywords": [],
	"author": "",
	"license": "MIT"
	}
	var webpack = require('webpack');

	module.exports = {
	entry: './index.js',
	output: {
	path: './lib',
	filename: 'yourlib.js',
	libraryTarget: 'var',
	library: 'EntryPoint'
	}
	};