terser index.js -c -m -o index.js
terser ../../node_modules/crs-binding/crs-binding.js -c -m -o ../../node_modules/crs-binding/crs-binding.js
terser ../../node_modules/crs-binding/crs-bindable-element.js -c -m -o ../../node_modules/crs-binding/crs-bindable-element.js
terser ../../node_modules/crs-binding/crs-view-base.js -c -m -o ../../node_modules/crs-binding/crs-view-base.js