Migrate on copyfiles

libraries/tools/kotlin-source-map-loader/package.json

@@ -4,7 +4,7 @@
   "description": "Modern source-map-loader with additional features",
   "main": "kotlin-source-map-loader.js",
   "scripts": {
-    "build": "rimraf lib/* && cpx \"kotlin-source-map-loader.js\" lib",
+    "build": "rimraf lib/* && copyfiles \"kotlin-source-map-loader.js\" lib",
     "test": "mocha -R spec"
   },
   "dependencies": {
@@ -12,9 +12,9 @@
     "loader-utils": "^1.1.0"
   },
   "devDependencies": {
+    "copyfiles": "^2.1.0",
     "rimraf": "^2.6.3",
     "mocha": "^5.0.5",
-    "should": "^13.2.1",
-    "cpx": "^1.5.0"
+    "should": "^13.2.1"
   }
 }

libraries/tools/kotlin-test-js-runner/package.json

@@ -11,7 +11,7 @@
     "lib/**/*"
   ],
   "scripts": {
-    "build": "rimraf lib/* && rollup -c rollup.config.js && cpx \"karma-kotlin-reporter.js\" lib"
+    "build": "rimraf lib/* && rollup -c rollup.config.js && copyfiles \"karma-kotlin-reporter.js\" lib"
   },
   "dependencies": {
     "@types/node": "^10.12.21",
@@ -27,7 +27,6 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "rollup-plugin-typescript2": "^0.19.2",
     "rollup-plugin-terser": "^5.1.2",
-    "typescript": "^3.3.1",
-    "cpx": "^1.5.0"
+    "typescript": "^3.3.1"
   }
 }