DefaultsError: `warnings` is not a supported option

[kumaresan-subramani]

Due to your latest updated iam getting this issue

webpack-contrib/uglifyjs-webpack-plugin#400

ERROR in grid/sorting/main.bundle.js from UglifyJs
DefaultsError: warnings is not a supported option
at DefaultsError.get (eval at (/jenkins/workspace/grid-angular-samples_master-KGZGHS6RTY6XLQXUQWQ55ECXCFTEAMXT7SLUT7R6DKIUWVH6ZW4Q/node_modules/uglifyjs-webpack-plugin/node_modules/uglify-js/tools/node.js:20:1), :71:23)

[jeoy]

HI , @kumaresan-subramani , it seems caused by upgrade of Uglify-js,

check this https://stackoverflow.com/a/55998303/10139109

[kumaresan-subramani]

HI @jeoy ,

Thanks for your quick response.