Upgrade dependencies

Author: philipstanislaus

build/arrayToTree.js

@@ -34,18 +34,18 @@
   "license": "MIT",
   "dependencies": {},
   "devDependencies": {
-    "@types/chai": "^4.0.4",
+    "@types/chai": "^4.2.7",
     "@types/mocha": "^5.2.7",
     "chai": "^4.1.2",
-    "coveralls": "^3.0.0",
+    "coveralls": "^3.0.9",
     "istanbul": "^0.4.5",
-    "mocha": "^6.1.4",
+    "mocha": "^7.0.0",
     "mocha-lcov-reporter": "^1.3.0",
     "remap-istanbul": "^0.13.0",
-    "tslint": "^5.2.0",
-    "tslint-config-standard": "^8.0.1",
-    "typescript": "^3.5.2",
-    "uglify-js": "^3.1.1"
+    "tslint": "^5.20.1",
+    "tslint-config-standard": "^9.0.0",
+    "typescript": "^3.7.5",
+    "uglify-js": "^3.7.5"
   },
   "scripts": {
     "preversion": "yarn && npm run lint && npm run build && npm run test-and-send-cov-to-coveralls",

build/arrayToTree.js.map

@@ -7,7 +7,8 @@
     "moduleResolution": "node",
     "outDir": "build",
     "declaration": true,
-    "strictNullChecks": true
+    "strictNullChecks": true,
+    "lib": ["ES6"]
   },
   "exclude": [
     "node_modules",