Module build failed (from ./node_modules/mini-css-extract-plugin/dist/loader.js):
16:49:45.899 ModuleBuildError: Module build failed (from ./node_modules/less-loader/dist/cjs.js):
16:49:45.905 Class constructor FileManager cannot be invoked without 'new'
16:49:45.911 in undefined (line undefined, column undefined)
16:49:45.912 at runLoaders (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/webpack/lib/NormalModule.js:301:20)
16:49:45.924 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/loader-runner/lib/LoaderRunner.js:367:11
16:49:45.927 at /Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/loader-runner/lib/LoaderRunner.js:233:18
16:49:45.938 at context.callback (/Applications/HBuilderX.app/Contents/HBuilderX/plugins/uniapp-cli/node_modules/loader-runner/lib/LoaderRunner.js:111:13)
16:49:45.939 at <anonymous>
16:49:45.955 at runMicrotasksCallback (internal/process/next_tick.js:121:5)
16:49:45.972 at _combinedTickCallback (internal/process/next_tick.js:131:7)
16:49:45.972 at process._tickCallback (internal/process/next_tick.js:180:9)
16:49:46.008 ERROR Build failed with errors.
删掉项目,重新创建一个项目再试试