Compress ES6 On Intellij IDEA
Install terser locally or globally npm i terser Open IDEA Settings/Preferences ( CTRL+ALT+S ) click File Watchers under Tools Click + Select Custom Program: select path terser bin OR type terser only if you installed terser globally Arguments: $FileDir$\$FileName$ -o $FileDir$\$FileNameWithoutExtension$.min.js -c -m --ie8 change \ to / if you using LINUX change parameter terser from -c - ie8 as you want do Output Path To Refresh: $FileNameWithoutExtension$.min.js See Screenshot For Configuration