Updating dev dependencies to remove audit warnings, updating README & LICENSE copyright year, updating eslint rules, version bump to release new ESM support

Author: avoidwork

.eslintrc

@@ -5,11 +5,8 @@
 		"es6": true,
 		"amd": false
 	},
-	"ecmaFeatures": {
-		"jsx": false,
-		"superInFunctions": false,
-		"classes": false,
-		"modules": [2]
+	"parserOptions": {
+		"ecmaVersion": 2018
 	},
 	"globals": {
 		"self": true,

Gruntfile.js

@@ -4,7 +4,7 @@ module.exports = function (grunt) {
 		babel: {
 			options: {
 				sourceMap: false,
-				presets: ["babel-preset-es2015"]
+				presets: ["babel-preset-env"]
 			},
 			dist: {
 				files: [{

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2017, Jason Mulligan
+Copyright (c) 2019, Jason Mulligan
 All rights reserved.
 
 Redistribution and use in source and binary forms, with or without

README.md

@@ -142,5 +142,5 @@ Returns true if successful.
   * Unix/BSD will work with `SIGTERM`, but if you also need to support Windows use `SIGINT`
 
 ## License
-Copyright (c) 2017 Jason Mulligan
+Copyright (c) 2019 Jason Mulligan
 Licensed under the BSD-3 license

lib/index.js

@@ -98,7 +98,7 @@ var Worker = function () {
 			}
 		});
 
-		this.child.send({ input: input, isfn: isfn, cwd: options.cwd });
+		this.child.send({ input: input, isfn: isfn, cwd: options.cwd, esm: options.esm });
 	}
 
 	_createClass(Worker, [{

lib/worker.js

@@ -15,7 +15,12 @@ function toFunction(arg) {
 
 // Bootstraps the Worker
 process.once("message", function (obj) {
-	var exp = obj.isfn ? toFunction(obj.input) : fs.readFileSync(obj.input, "utf8");
+	var isfn = obj.isfn,
+	    input = obj.input,
+	    esm = obj.esm,
+	    cwd = obj.cwd;
+
+	var exp = isfn ? toFunction(input) : esm ? "require(\"" + input + "\");" : fs.readFileSync(input, "utf8");
 
 	global.self = {
 		close: function close() {
@@ -35,9 +40,9 @@ process.once("message", function (obj) {
 		}
 	};
 
-	global.__dirname = obj.cwd;
+	global.__dirname = cwd;
 	global.__filename = __filename;
-	global.require = require;
+	global.require = esm ? require("esm")(module) : require;
 
 	global.importScripts = function () {
 		for (var _len = arguments.length, files = Array(_len), _key = 0; _key < _len; _key++) {