Advanced splitting of multi-entry project using webpack

common_simple.js

new webpack.optimize.CommonsChunkPlugin({
    name: "common",
    chunks: ["site", "admin"]
})

entry.json

{
    "site": "./src/site",
    "admin": "./src/admin"
}

plugins.js

[
    new webpack.optimize.CommonsChunkPlugin({
        name: "common",
        chunks: ["site", "admin"]
    }),
    new webpack.optimize.CommonsChunkPlugin({
        name: "common-vendor",
        chunks: ["common"],
        minChunks
    }),
    new webpack.optimize.CommonsChunkPlugin({
        name: "site-vendor",
        chunks: ["site"],
        minChunks
    }),
    new webpack.optimize.CommonsChunkPlugin({
        name: "admin-vendor",
        chunks: ["admin"],
        minChunks
    })
]

vendor.js

[
    new webpack.optimize.CommonsChunkPlugin({
        name: "common-vendor",
        chunks: ["common"],
        minChunks
    }),
    new webpack.optimize.CommonsChunkPlugin({
        name: "site-vendor",
        chunks: ["site"],
        minChunks
    }),
    new webpack.optimize.CommonsChunkPlugin({
        name: "admin-vendor",
        chunks: ["admin"],
        minChunks
    })
]