/Users/xxx/node_modules/case-sensitive-paths-webpack-plugin/index.js:163
      let pathName = data.resource.split('?')[0];
                                   ^
TypeError: Cannot read property 'split' of undefined
    at primeCache (/Users/xxx/node_modules/case-sensitive-paths-webpack-plugin/index.js:163:36)
    at that.getFilenamesInDir (/Users/xxx/node_modules/case-sensitive-paths-webpack-plugin/index.js:130:5)
    at Array.fs.readdir (/Users/xxx/node_modules/case-sensitive-paths-webpack-plugin/index.js:66:5)
    at Storage.finished (/Users/xxx/node_modules/webpack/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:55:16)
    at provider (/Users/xxx/node_modules/webpack/node_modules/enhanced-resolve/lib/CachedInputFileSystem.js:91:9)
    at go$readdir$cb (/Users/xxx/node_modules/graceful-fs/graceful-fs.js:162:14)
    at FSReqCallback.args [as oncomplete] (fs.js:145:20)