[Dev Deps] update eslint, @ljharb/eslint-config, browserify, `t…

…ape`

.eslintrc

@@ -3,6 +3,11 @@
 
 	"extends": "@ljharb",
 
+	"env": {
+		"browser": true,
+		"node": true,
+	},
+
 	"globals": {
 		"globalThis": false,
 	},

implementation.js

@@ -1,4 +1,3 @@
-/* globals self, window, global */
 /* eslint no-negated-condition: 0, no-new-func: 0 */
 
 'use strict';

package.json

@@ -46,13 +46,13 @@
 	},
 	"devDependencies": {
 		"@es-shims/api": "^2.1.2",
-		"@ljharb/eslint-config": "^13.1.1",
-		"browserify": "^16.2.3",
+		"@ljharb/eslint-config": "^15.0.2",
+		"browserify": "^16.5.0",
 		"covert": "^1.1.1",
-		"eslint": "^5.16.0",
+		"eslint": "^6.7.2",
 		"for-each": "^0.3.3",
 		"is": "^3.3.0",
-		"tape": "^4.10.2"
+		"tape": "^4.11.0"
 	},
 	"testling": {
 		"files": "test/index.js",

test/tests.js

@@ -30,7 +30,7 @@ module.exports = function (theGlobal, t) {
 		/* eslint no-eval: 1 */
 		eval(key + ' = semaphore;');
 		st.equal(theGlobal[key], semaphore, 'global variable ends up on the global object');
-		delete theGlobal[key];
+		delete theGlobal[key]; // eslint-disable-line no-param-reassign
 		st.end();
 	});
 };