webpack config

webpack.config.js

var webpack = require('webpack');
const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const isDevelopment = process.env.NODE_ENV === 'development'
module.exports =
{
    "mode": "production",
    "entry": {
        "/assets/dist/js/admin/expert-jobs.js": "./assets/src/scripts/admin/expert-jobs.js",
        "/assets/dist/js/admin/expert-payments.js": "./assets/src/scripts/admin/expert-payments.js",
        "/assets/dist/js/admin/experts.js": "./assets/src/scripts/admin/experts.js",
        "/assets/dist/js/admin/experts-signup.js": "./assets/src/scripts/admin/experts-signup.js",
        // "/assets/dist/js/admin/manifest.js": "./assets/src/scripts/admin/manifest.js",
        // "/assets/dist/js/admin/vendor.js": "./assets/src/scripts/admin/vendor.js",
        "/assets/dist/js/app.js": "./assets/src/scripts/app.js",
        "/assets/dist/css/admin": "./assets/src/sass/admin.scss",
        "/assets/dist/css/style": "./assets/src/sass/style.scss",
        "/assets/dist/css/bootstrap-iso": "./assets/src/sass/bootstrap-iso.scss",
        "/assets/dist/js/d2-profile.js": "./assets/src/scripts/d2-profile.js",
        "/assets/dist/js/d2-profile-search.js": "./assets/src/scripts/d2-profile-search.js",
        "/assets/dist/js/dashboard.js": "./assets/src/scripts/dashboard.js",
        "/assets/dist/js/auth.js": "./assets/src/scripts/auth.js",
        // "/assets/dist/js/bbpress-forums.js": "./assets/src/scripts/bbpress-forums.js",
        "/assets/dist/js/my-account.js": "./assets/src/scripts/my-account.js"

    },
    "output": {
    "path": __dirname,
        "filename": "[name]"
},
    "devtool": "source-map",
    "module": {
        "rules": [
            {
                "test": /\.js$/,
                "exclude": /node_modules/,
                "use": {
                    "loader": "babel-loader",
                    "options": {
                        "presets": [
                            "env"
                        ]
                    }
                }
            },
            {
                test: /\.(eot|gif|otf|png|svg|ttf|woff)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
                use: [ 'file-loader' ],
            },
            {
                     test: /\.module\.s(a|c)ss$/,
             loader: [
               isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
               {
                 loader: 'css-loader',
                 options: {
                   modules: true,
                       sourceMap: isDevelopment
                 }
           },
           {
             loader: 'sass-loader',
                 options: {
                   sourceMap: isDevelopment
                 }
           }
         ]
       },
       {
         test: /\.s(a|c)ss$/,
             exclude: /\.module.(s(a|c)ss)$/,
             loader: [
               isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
               'css-loader',
               {
                 loader: 'sass-loader',
                 options: {
                   sourceMap: isDevelopment
                 }
           }
         ]
       },
            {
                test: /\.(png|jpg|gif)$/i,
                use: [
                    {
                        loader: 'url-loader',
                        options: {
                            limit: 8192,
                        },
                    },
                ],
            },
            {
                test: /datatables\.net(?!.*[.]css$).*/,
                loader: 'imports-loader?define=>false'
            }

        ]
},
    "plugins": [
        new webpack.ProvidePlugin({
            $: 'jquery',
            jQuery: 'jquery',
            'window.jQuery': 'jquery',
            'window.$': 'jquery'
        }),
        new MiniCssExtractPlugin({
                 filename: isDevelopment ? '[name].[hash].css' : '[name].css',
          chunkFilename: isDevelopment ? '[id]' : '[id]'
       })
    ]
};

I run the same configure for ENTRY but its throw error: Please help me!

ERROR in Entry module not found: Error: Can't resolve './assets/src/css/bootstrap.css/' in 'C:\wamp64\www\onumrebuild\wp-content\themes\onum-child-v2\assets'

This is my configure webpack.config.js
var webpack = require('webpack');
const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const isDevelopment = process.env.NODE_ENV === 'development'
module.exports =
{
"mode": "production",
"entry": {
"/assets/build/css/bootstrap.css/": "./assets/src/css/bootstrap.css/",
"/assets/build/css/editorStyle.css/": "./assets/src/css/editorStyle.css/",
"/assets/build/css/flaticon.css/": "./assets/src/css/flaticon.css/",
"/assets/build/css/fontAwsome.css/": "./assets/src/css/fontAwsome.css/",
"/assets/build/css/magnificPopup.css/": "./assets/src/css/magnificPopup.css/",
"/assets/build/css/royalPreload.css/": "./assets/src/css/royalPreload.css/",
"/assets/build/css/slick.css/": "./assets/src/css/slick.css/",
"/assets/build/css/slickTheme.css/": "./assets/src/css/slickTheme.css/",
"/assets/build/css/woocommerce.css/": "./assets/src/css/woocommerce.css/",
"/assets/build/js/easypiechart.js/": "./assets/src/js/easypiechart.js/",
"/assets/build/js/elementor.js/": "./assets/src/js/easypiechart.js/",
"/assets/build/js/headerMobile.js/": "./assets/src/js/headerMobile.js/",
"/assets/build/js/jqueryCountdown.min.js/": "./assets/src/js/jqueryCountdown.min.js/",
"/assets/build/js/jqueryIsotope.min.js/": "./assets/src/js/jqueryIsotope.min.js/",
"/assets/build/js/jqueryMagnificPopup.min.js/": "./assets/src/js/jqueryMagnificPopup.min.js/",
"/assets/build/js/particles.min.js/": "./assets/src/js/particles.min.js/",
"/assets/build/js/royalPreloader.min.js/": "./assets/src/js/royalPreloader.min.js/",
"/assets/build/js/sripts.js/": "./assets/src/js/sripts.js/",
"/assets/build/js/slick.min.js/": "./assets/src/js/slick.min.js/"
},
"output": {
"path": __dirname,
"filename": "[name]"
},
"devtool": "source-map",
"module": {
"rules": [
{
"test": /.js$/,
"exclude": /node_modules/,
"use": {
"loader": "babel-loader",
"options": {
"presets": [
"env"
]
}
}
},
{
test: /.(eot|gif|otf|png|svg|ttf|woff)(?v=[0-9].[0-9].[0-9])?$/,
use: [ 'file-loader' ],
},
{
test: /.module.css$/,
loader: [
isDevelopment ? 'style-loader' : MiniCssExtractPlugin.loader,
{
loader: 'css-loader',
options: {
modules: true,
sourceMap: isDevelopment
}
}
]
},
{
test: /.(png|jpg|gif)$/i,
use: [
{
loader: 'url-loader',
options: {
limit: 8192,
},
},
],
},
{
test: /datatables.net(?!.[.]css$)./,
loader: 'imports-loader?define=>false'
}

]
},
"plugins": [
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery',
'window.jQuery': 'jquery',
'window.$': 'jquery'
}),
new MiniCssExtractPlugin({
filename: isDevelopment ? '[name].[hash].css' : '[name].css',
chunkFilename: isDevelopment ? '[id]' : '[id]'
})
]
};

ERROR in Entry module not found: Error: Can't resolve './assets/src/css/bootstrap.css/' in 'C:\wamp64\www\onumrebuild\wp-content\themes\onum-child-v2\assets'

Please check within your parent directory is there any folder called assets after that check is there any folder call src .... so on. Finally, within this CSS folder is there any file called bootstrap.css?