fix: regexp for some comments (#168)

package.json

@@ -43,7 +43,7 @@
     "schema-utils": "^2.4.1",
     "serialize-javascript": "^2.1.0",
     "source-map": "^0.6.1",
-    "terser": "^4.3.3",
+    "terser": "^4.3.4",
     "webpack-sources": "^1.4.3"
   },
   "devDependencies": {
@@ -62,7 +62,7 @@
     "eslint": "^6.3.0",
     "eslint-config-prettier": "^6.3.0",
     "eslint-plugin-import": "^2.18.2",
-    "husky": "^3.0.5",
+    "husky": "^3.0.7",
     "jest": "^24.9.0",
     "jest-junit": "^8.0.0",
     "lint-staged": "^9.4.0",

src/minify.js

@@ -77,7 +77,6 @@ const buildComments = (options, terserOptions, extractedComments) => {
   } else {
     // No extract
     // Preserve using "commentsOpts" or "some"
-    // Todo remove this in next major release
     condition.preserve =
       typeof commentsOpts !== 'undefined' ? commentsOpts : 'some';
     condition.extract = false;
@@ -106,7 +105,7 @@ const buildComments = (options, terserOptions, extractedComments) => {
           condition[key] = (astNode, comment) => {
             return (
               comment.type === 'comment2' &&
-              /^\**!|@preserve|@license|@cc_on/i.test(comment.value)
+              /@preserve|@lic|@cc_on|^\**!/i.test(comment.value)
             );
           };