Property names may take up the large part of the output size. Other minifiers have the mangle properties feature for those cases.

• esbuild: https://esbuild.github.io/api/#mangle-props
• SWC: https://swc.rs/docs/configuration/minification#jscminifymangleproperties
• terser: https://terser.org/docs/options/#mangle-properties-options
• uglifyjs: https://github.com/mishoo/UglifyJS/blob/master/README.md#cli-mangling-property-names---mangle-props

(I'm creating this issue as a placeholder, if you actually need this feature, make sure to add "👍" and describe the usecase in the comments)