> webpack4-sassloader7-sass4@1.0.0 webpack-p /Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/1536277707/webpack4-sassloader7-sass4/rework/misconfiguration
> webpack -p --mode=production

Hash: 4c2264db7bf37b93ad87
Version: webpack 4.17.2
Time: 270ms
Built at: 09/07/2018 10:40:30 AM
 2 assets
[0] ./src/index.scss 829 bytes {0} [built] [failed] [1 error]

ERROR in ./src/index.scss
Module build failed (from /Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/node_modules/mini-css-extract-plugin/dist/loader.js):
ModuleError: Module Error (from /Users/bholloway/Documents/bholloway/resolve-url-loader/packages/resolve-url-loader/index.js):
resolve-url-loader: loader misconfiguration
  "join" option must be a Function
    at Object.emitError (/Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/node_modules/webpack/lib/NormalModule.js:169:6)
    at handleAsError (/Users/bholloway/Documents/bholloway/resolve-url-loader/packages/resolve-url-loader/index.js:213:12)
    at Object.resolveUrlLoader (/Users/bholloway/Documents/bholloway/resolve-url-loader/packages/resolve-url-loader/index.js:87:12)
Child mini-css-extract-plugin ../../../../.cache/webpack4-sassloader7-sass4/node_modules/css-loader/index.js??ref--4-1!../../../../../packages/resolve-url-loader/index.js??ref--4-2!../../../../.cache/webpack4-sassloader7-sass4/node_modules/sass-loader/lib/loader.js??ref--4-3!src/index.scss:
    [0] /Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/node_modules/css-loader??ref--4-1!/Users/bholloway/Documents/bholloway/resolve-url-loader/packages/resolve-url-loader??ref--4-2!/Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/node_modules/sass-loader/lib/loader.js??ref--4-3!./src/index.scss 538 bytes {0} [built] [1 error]
        + 1 hidden module
    
    ERROR in ./src/index.scss (/Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/node_modules/css-loader??ref--4-1!/Users/bholloway/Documents/bholloway/resolve-url-loader/packages/resolve-url-loader??ref--4-2!/Users/bholloway/Documents/bholloway/resolve-url-loader/tmp/.cache/webpack4-sassloader7-sass4/node_modules/sass-loader/lib/loader.js??ref--4-3!./src/index.scss)
    Module Error (from /Users/bholloway/Documents/bholloway/resolve-url-loader/packages/resolve-url-loader/index.js):
    resolve-url-loader: loader misconfiguration
      "join" option must be a Function