upgrade dependencies, closes #60

package.json

@@ -18,7 +18,7 @@
   ],
   "scripts": {
     "clean": "rimraf lib",
-    "build": "npx webpack",
+    "build": "webpack",
     "prepare": "npx npm-run-all clean build"
   },
   "activationEvents": [
@@ -480,17 +480,19 @@
     "@chemzqm/tsconfig": "^0.0.3",
     "@chemzqm/tslint-config": "^1.0.18",
     "@types/fast-diff": "^1.2.0",
-    "@types/node": "^12.0.7",
-    "coc.nvim": "^0.0.69",
+    "@types/node": "^12.7.2",
+    "coc.nvim": "^0.0.73",
     "fast-diff": "^1.2.0",
-    "rimraf": "^2.6.3",
-    "semver": "^6.1.1",
-    "ts-loader": "^6.0.3",
-    "tslint": "^5.17.0",
+    "rimraf": "^3.0.0",
+    "semver": "^6.3.0",
+    "ts-loader": "^6.0.4",
+    "tslint": "^5.18.0",
     "vscode-languageserver-protocol": "^3.15.0-next.5",
+    "webpack": "^4.39.2",
+    "webpack-cli": "^3.3.6",
     "which": "^1.3.1"
   },
   "dependencies": {
-    "typescript": "3.5.1"
+    "typescript": "3.5.3"
   }
 }