Updates dependencies & switches to lodash-es

package.json

@@ -4311,13 +4311,13 @@
         "clipboardy": "1.2.3",
         "date-fns": "1.29.0",
         "iconv-lite": "0.4.24",
-        "lodash.debounce": "4.0.8",
-        "lodash.once": "4.1.1",
+        "lodash-es": "4.17.11",
         "tslib": "1.9.3"
     },
     "devDependencies": {
         "@types/clipboardy": "1.1.0",
-        "@types/node": "8.10.36",
+        "@types/lodash-es": "4.17.1",
+        "@types/node": "8.10.37",
         "clean-webpack-plugin": "0.1.19",
         "css-loader": "1.0.1",
         "filemanager-webpack-plugin": "2.0.5",
@@ -4326,7 +4326,7 @@
         "imagemin-webpack-plugin": "2.3.0",
         "mini-css-extract-plugin": "0.4.4",
         "node-sass": "4.10.0",
-        "prettier": "1.15.1",
+        "prettier": "1.15.2",
         "prettier-tslint": "0.4.0",
         "sass-loader": "7.1.0",
         "size-plugin": "1.0.1",

src/system/function.ts

@@ -1,9 +1,7 @@
 'use strict';
+import { debounce as _debounce, once as _once } from 'lodash-es';
 import { CancellationToken, Disposable } from 'vscode';
 
-const _debounce = require('lodash.debounce');
-const _once = require('lodash.once');
-
 export interface IDeferrable {
     cancel(): void;
     flush(...args: any[]): void;
@@ -37,7 +35,7 @@ export namespace Functions {
         });
     }
 
-    export function debounce<T extends Function>(
+    export function debounce<T extends (...args: any[]) => any>(
         fn: T,
         wait?: number,
         options?: { leading?: boolean; maxWait?: number; track?: boolean; trailing?: boolean }
@@ -82,7 +80,7 @@ export namespace Functions {
         return (typeof o === 'object' || typeof o === 'function') && typeof o.then === 'function';
     }
 
-    export function once<T extends Function>(fn: T): T {
+    export function once<T extends (...args: any[]) => any>(fn: T): T {
         return _once(fn);
     }