#StackBounty: #npm #webpack #imagemin npm run watch Error in Cannot read property of 'map' undefined

Bounty: 50

Running the command npm run watch throws and error

54% building 35/41 modules 6 active /app/docroot/themes/custom/mytheme/node_modules/css-loader/index.js??ref--10-2!/app/docroot/themes/custom/mytheme/node_modules/postcss-loader/src/index.js??postcss5!/app/docroot/themes
 ERROR  Failed to compile with 1 errors          1:25:50 AM


Cannot read property 'map' of undefined

 15 assets

ERROR in Cannot read property 'map' of undefined
[Browsersync] Proxying: https://ps.lndo.site

The Error happens only when the following code is included in my webpack.mix.js file:

  patterns: [{
    from: '**/*.{png,gif,jpg,jpeg,svg}',
    to: 'images/',
    context: 'src/images/'
  }, {
    from: '**/*.{png,gif,jpg,jpeg,svg}',
    to: 'images/',
    context: 'src/components/'

Removing the above snippet removes the error but the previous developers on this project had this for a reason.

I recently updated due to security vulnerabilities and managed to debug a different issue that Copy Plugin introduced a breaking change (already updated in the code above). However I am unsure that I have all of the configuration correct.

This I have tried:
From the command line

rm -rf node_modules
rm package.lock
npm cache clean --force
npm install

These are the packages in package.json current as of August 27, 2020

"devDependencies": {
    "bootstrap": "^4.3.1",
    "browser-sync": "^2.26.12",
    "browser-sync-webpack-plugin": "^2.2.2",
    "copy-webpack-plugin": "^6.0.3",
    "cross-env": "^7.0.2",
    "husky": "^4.2.5",
    "imagemin-webpack-plugin": "^2.4.2",
    "jquery": "^3.5.1",
    "laravel-mix": "^5.0.4",
    "laravel-mix-imagemin": "^1.0.3",
    "popper.js": "^1.16.1",
    "pretty-quick": "^2.0.1",
    "resolve-url-loader": "^3.1.1",
    "sass": "^1.26.10",
    "sass-loader": "^8.0.2",
    "vue-template-compiler": "^2.6.11"
"dependencies": {
    "throttle-debounce": "^2.3.0"

The packages updated were the following

    "browser-sync": "^2.26.7",
    "copy-webpack-plugin": "^5.1.1",
    "husky": "^4.2.3",
    "jquery": "^3.5.0",
    "sass": "^1.26.3",

    "throttle-debounce": "^2.1.0"

Get this bounty!!!

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