Disclaimer: this is my first question on Stack Overflow, so apologies if it's not formatted correctly. Please let me know how I can improve it or if more details are needed.
I tried to install styled-components for my React app with the following command npm install --save styled-components.
Before I did this, my server started up just fine with npm start.
After install, React tries to start up the development server but it stops and returns the following errors:
cacheEntry.sizeOnlySource = new SizeOnlySource(size);
TypeError: SizeOnlySource is not a constructor
at updateFileWithReplacementSource (project-directory/node_modules/webpack/lib/Compiler.js:756:37)
at updateWithReplacementSource (project-directory/node_modules/webpack/lib/Compiler.js:738:8)
at processMissingFile (project-directory/node_modules/webpack/lib/Compiler.js:801:8)
at project-directory/node_modules/webpack/lib/Compiler.js:843:10
at Immediate.<anonymous> (project-directory/node_modules/memfs/lib/volume.js:698:17)
Initially, I tried uninstalling the styled-components package. Same errors. Then, I tried updating webpack with npm update webpack.
I googled the errors but they were all for problems that seemed unrelated or that are now fixed.
Support Webpack 4.29.0 breaking change
output.futureEmitAssets option breaks compatibility with source map upload plugins
library target umd - Uncaught TypeError: x is not a constructor
I did come across a post on Stack Overflow explaining that --save is no longer necessary as of npm version 5.0.0. Perhaps it's the source of the error?
Note that I installed the styled-components package on a separate branch of my project, but the server still won't start when I switch to the main branch and I'm getting the same errors.
Honestly, I have no idea what's going wrong or how to fix it. Any help or guidance would be greatly appreciated.
Edit: before the Starting development server... line I get after running npm start, there's some kind of message about webpack being deprecated. I hadn't noticed that before, but it flashes by too quickly for me to read it and I can't scroll up to see the message. I created a new React project from scratch to see if the server would start. It does, but I'm still getting the aforementioned messages.
