To run Chrome Dev with CORS check disabled:
open -n -a /Applications/Google\ Chrome\ Dev.app/Contents/MacOS/Google\ Chrome\ Dev --args --disable-web-security
To disable minification (temporarily!) for production build modify code inside react-scripts
package: node_modules/react-scripts/config/webpack.config.js
.
On line 243
change this bit:
optimization: {
minimize: false,
// ...