chore: Update the dependencies (#383)

.travis.yml

@@ -24,6 +24,8 @@ before_install:
       /usr/bin/Xvfb :99 -screen 0 1024x768x24 > /dev/null 2>&1 &
       sleep 3
     fi
+  - nvm install 12
+  - nvm use 12
 
 install:
 - npm install -g vsce

package.json

@@ -531,10 +531,10 @@
   "devDependencies": {
     "@types/fs-extra": "^5.1.0",
     "@types/glob": "^7.1.3",
-    "@types/lodash": "^4.14.159",
+    "@types/lodash": "^4.14.165",
     "@types/minimatch": "^3.0.3",
     "@types/mocha": "^5.2.7",
-    "@types/node": "^8.10.62",
+    "@types/node": "^8.10.66",
     "@types/vscode": "1.50.0",
     "glob": "^7.1.6",
     "gulp": "^4.0.2",
@@ -544,8 +544,8 @@
     "ts-loader": "^5.4.5",
     "tslint": "^5.20.1",
     "typescript": "^3.9.7",
-    "vscode-test": "^1.4.0",
-    "webpack": "^4.44.1",
+    "vscode-test": "^1.4.1",
+    "webpack": "^4.44.2",
     "webpack-cli": "^3.3.12"
   },
   "dependencies": {

src/views/dependencyDataProvider.ts

@@ -31,7 +31,7 @@ export class DependencyDataProvider implements TreeDataProvider<ExplorerNode> {
     public onDidChangeTreeData: Event<ExplorerNode | null | undefined> = this._onDidChangeTreeData.event;
 
     private _rootItems: ExplorerNode[] = null;
-    private _refreshDelayTrigger: ((element?: ExplorerNode) => void) & _.Cancelable;
+    private _refreshDelayTrigger: _.DebouncedFunc<((element?: ExplorerNode) => void)>;
 
     constructor(public readonly context: ExtensionContext) {
         context.subscriptions.push(commands.registerCommand(Commands.VIEW_PACKAGE_REFRESH, (debounce?: boolean, element?: ExplorerNode) =>