message: Pin terser and terser-webpack
diff: "karma-coverage-istanbul-reporter": "~1.4.2",
  "karma-jasmine": "~1.1.2",
  "karma-jasmine-html-reporter": "^0.2.2",
  + "terser": "3.14.1",
  + "terser-webpack-plugin": "1.2.0",
  "ts-node": "~5.0.1",
  "tslint": "~5.9.1",
  "tslint-config-standard": "~7.0.0"
  