Compilation triggered without changes

[RDeluxe]

• Operating System: Windows 10
• Node Version: 8.1.4
• NPM Version: 5.3.0 (using yarn 0.27.5)
• webpack Version: 3.5.5
• webpack-dev-server Version: 2.7.1
• IDE : VSCode

• This is a bug
• This is a feature request
• This is a modification request

Code

webpack.common.js :

var webpack = require("webpack");
var HtmlWebpackPlugin = require("html-webpack-plugin");
var ExtractTextPlugin = require("extract-text-webpack-plugin");
var helpers = require("./helpers");
var path = require('path');
var CopyWebpackPlugin = require('copy-webpack-plugin');
const { TsConfigPathsPlugin } = require('awesome-typescript-loader');

module.exports = {
  entry: {
    "polyfills": "./polyfills.ts",
    "app": "./src/main.ts"
  },

  resolve: {
    extensions: [
      ".js", ".ts"
    ],
    alias: {
      styles: path.resolve(__dirname, '../src/style/styles.scss'),
      vendors: path.resolve(__dirname, '../src/vendors/')
    },
    plugins: [
      new TsConfigPathsPlugin({
        configFileName: path.resolve(__dirname, '../tsconfig.json'),
        compiler: "typescript"
      }
      )
    ]
  },

  module: {
    rules: [
      {
        test: /\.ts$/,
        loaders: ['awesome-typescript-loader', 'angular2-template-loader']
      },
      {
        test: /\.html$/,
        use: "html-loader"
      },
      {
        test: /\.pug$/,
        use: ["raw-loader", "pug-html-loader"]
      },
      {
        test: /\.(css|scss|sass)$/,
        include: path.resolve(__dirname, '../src/style'),
        include: path.resolve(__dirname, '../src/app'),
        loaders: ['to-string-loader'].concat(ExtractTextPlugin.extract({
          fallback: "style-loader",
          use: [
            {
              loader: 'css-loader',
              options: {
                alias: {
                  assets: path.resolve(__dirname, '../src/assets')
                },
                sourceMap: true
              }
            },
            {
              loader: 'sass-loader',
              options: {
                sourceMap: true
              }
            }
          ]
        }))
      },
      {
        test: /\.(png|jpe?g|gif|svg|woff|woff2|otf|ttf|eot|ico)$/,
        use: "file-loader?name=assets/[name].[hash].[ext]"
      }
    ]
  },

  plugins: [
    new webpack.optimize.CommonsChunkPlugin({
      name: ["app", "vendor", "polyfills"]
    }),

    new CopyWebpackPlugin([
      { from: 'src/assets/i18n/', to: 'assets/i18n' }
    ]),

    new HtmlWebpackPlugin({
      template: "index.html"
    }),

    // Workaround for Angular-SystemJS-Webpack(2) WARNINGS
    new webpack.ContextReplacementPlugin(
      /angular(\\|\/)core(\\|\/)@angular/,
      helpers.root('.'),
      {
        // your Angular Async Route paths relative to this root directory
      }
    )
  ]
};

webpack.dev.js

var webpackMerge = require("webpack-merge");
var ExtractTextPlugin = require("extract-text-webpack-plugin");
var commonConfig = require("./webpack.common.js");
var helpers = require("./helpers");

module.exports = webpackMerge(commonConfig, {
  devtool: "cheap-module-eval-source-map",

  output: {
    path: helpers.root("dist"),
    filename: "[name].js",
    chunkFilename: "[id].chunk.js"
  },

  plugins: [
    new ExtractTextPlugin("[name].css")
  ],

  devServer: {
    watchOptions: {
      aggregateTimeout: 500,
      ignored: "../node_modules/**"
    }
  }
});

Expected Behavior

Compilation triggers only when I modify and save a file.

Actual Behavior

Compilation triggers randomly without any action on my side (when I'm checking my DOM in my browser, etc.)

For Bugs; How can we reproduce the behavior?

I have no idea.

[shellscape]

@RDeluxe thanks for checking in. this isn't something we see running in tests or examples, but we've seen similar questions pop up before that were resolved by way of correcting config, identifying an errant loader/plugins, correcting an environment issue, or a combination of the typical culprits.

unfortunately this issue falls into the category of a support question, which we ask folks to head to Stack Overflow and Gitter first for help on. closing as question.