image-webpack-loader/test/webpack4.config.js

"use strict";
var path = require("path");
var webpack = require("webpack");

var assetsPath = path.join(__dirname, "public/assets");

var loaderOptions = {
  mozjpeg: {
    quality: 65
  },
  pngquant: {
    quality: [0.65, 0.9],
    speed: 4
  },
  svgo: {
    plugins: [
      {
        name: 'removeViewBox',
        active: false
      },
      {
        name: 'removeEmptyAttrs',
        active: false
      }
    ]
  },
  gifsicle: {
    optimizationLevel: 7,
    interlaced: false
  },
  optipng: {
    optimizationLevel: 7,
    interlaced: false
  },
  webp: {
    quality: 75
  }
};

var fileLoaderOptions = {
  hash: "sha512",
  digest: "hex",
  name: "[hash].[ext]"
};

module.exports = [
  {
    mode: "production",
    entry: "./test/app.js",
    output: {
      path: assetsPath,
      filename: "app.[hash].js"
    },
    module: {
      rules: [
        {
          test: /.*\.(gif|png|jpe?g|svg|webp)$/i,
          use: [
            {
              loader: "file-loader",
              options: fileLoaderOptions
            },
            {
              loader: require.resolve("../"),
              options: loaderOptions
            }
          ]
        },
        {
          test: /\.bmp$/i,
          use: [
            {
              loader: "file-loader",
              options: fileLoaderOptions
            },
            require.resolve("../") // loaderUtils.getOptions() returns null for this one
          ]
        }
      ]
    }
  }
];