npm and error messages

node_modules/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "webpack4-sassloader7-sass4",
+  "version": "1.0.0",
+  "dependencies": {
+    "adjust-sourcemap-loader": "^1.2.0",
+    "css-loader": "^1.0.0",
+    "file-loader": "^1.1.10",
+    "mini-css-extract-plugin": "0.4.0",
+    "node-sass": "^4.9.0",
+    "optimize-css-assets-webpack-plugin": "^4.0.0",
+    "sass-loader": "^7.0.1",
+    "webpack": "^4.8.1",
+    "webpack-cli": "^2.1.3"
+  },
+  "scripts": {
+    "webpack-d": "webpack --debug --output-pathinfo --mode=development",
+    "webpack-p": "webpack -p --mode=production"
+  }
+}

node_modules/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/webpack.config.js

@@ -0,0 +1,79 @@
+'use strict';
+
+const path = require('path');
+const LastCallWebpackPlugin = require('last-call-webpack-plugin');
+const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
+const MiniCssExtractPlugin = require('mini-css-extract-plugin');
+const templateFn = require('adjust-sourcemap-loader').moduleFilenameTemplate({format: 'projectRelative'});
+const processFn = require('adjust-sourcemap-loader/lib/process');
+
+module.exports = {
+  entry: path.join(__dirname, process.env.ENTRY),
+  output: {
+    path: path.join(__dirname, process.env.OUTPUT),
+    filename: '[name].js',
+    devtoolModuleFilenameTemplate: templateFn,
+    devtoolFallbackModuleFilenameTemplate: templateFn
+  },
+  devtool: JSON.parse(process.env.DEVTOOL),
+  resolve: {
+    modules: [path.join(__dirname, 'modules'), 'node_modules'] // specifically for isolation in module-relative test
+  },
+  module: {
+    rules: [{
+      test: /\.scss$/,
+      use: [
+        MiniCssExtractPlugin.loader,
+        {
+          loader: 'css-loader',
+          options: JSON.parse(process.env.CSS_OPTIONS)
+        }, {
+          loader: 'resolve-url-loader',
+          options: Object.assign(JSON.parse(process.env.LOADER_OPTIONS), {
+            join: process.env.LOADER_JOIN ?
+              new Function('require', process.env.LOADER_JOIN)(require) : // jshint ignore:line
+              undefined
+          })
+        }, {
+          loader: 'sass-loader',
+          options: {
+            sourceMap: true,
+            sourceMapContents: false
+          }
+        }
+      ]
+    }, {
+      test: /\.(woff2?|ttf|eot|svg|jpg)(?:[?#].+)?$/,
+      use: [{
+        loader: 'file-loader'
+      }]
+    }]
+  },
+  plugins: [
+    new MiniCssExtractPlugin({
+      filename: '[name].[contenthash].css'
+    }),
+    // currently devtoolModuleFilenameTemplate is not respected by OptimizeCSSAssetsPlugin so we must do it ourselves
+    new LastCallWebpackPlugin({
+      assetProcessors: [{
+        regExp: /\.css\.map/,
+        processor: (assetName, asset) => Promise.resolve(JSON.parse(asset.source()))
+          .then(obj => processFn({}, {format: 'projectRelative'}, obj))
+          .then(obj => JSON.stringify(obj))
+      }]
+    })
+  ],
+  optimization: {
+    minimizer: [
+      new OptimizeCSSAssetsPlugin({
+        cssProcessorOptions: {
+          map: !!JSON.parse(process.env.DEVTOOL),
+          // the following optimisations are fine but e2e assertions are easier without them
+          cssDeclarationSorter: false,
+          normalizeUrl: false,
+          discardUnused: false
+        }
+      })
+    ]
+  }
+};