diff --git a/composer.json b/composer.json
index 4050ea9..3b2599c 100644
--- a/composer.json
+++ b/composer.json
@@ -2,14 +2,14 @@
 	"require-dev": {
 		"jakub-onderka/php-parallel-lint": "1.0.0",
 		"jakub-onderka/php-console-highlighter": "0.3.2",
-		"mediawiki/mediawiki-codesniffer": "28.0.0",
+		"mediawiki/mediawiki-codesniffer": "29.0.0",
 		"mediawiki/minus-x": "0.3.2",
 		"mediawiki/mediawiki-phan-config": "0.9.0"
 	},
 	"scripts": {
 		"fix": [
-			"phpcbf",
-			"minus-x fix ."
+			"minus-x fix .",
+			"phpcbf"
 		],
 		"test": [
 			"parallel-lint . --exclude vendor --exclude node_modules",
diff --git a/includes/SpecialContact.php b/includes/SpecialContact.php
index 012f7ae..9a6b472 100644
--- a/includes/SpecialContact.php
+++ b/includes/SpecialContact.php
@@ -87,7 +87,7 @@ class SpecialContact extends UnlistedSpecialPage {
 		$user = $this->getUser();
 
 		$nu = User::newFromName( $config['RecipientUser'] );
-		if ( is_null( $nu ) || !$nu->canReceiveEmail() ) {
+		if ( $nu === null || !$nu->canReceiveEmail() ) {
 			$this->getOutput()->showErrorPage( 'noemailtitle', 'noemailtext' );
 			return;
 		}
@@ -479,7 +479,7 @@ class SpecialContact extends UnlistedSpecialPage {
 	}
 
 	/**
-	 * @return boolean True if CAPTCHA should be used, false otherwise
+	 * @return bool True if CAPTCHA should be used, false otherwise
 	 */
 	private function useCaptcha() {
 		global $wgCaptchaClass, $wgCaptchaTriggers;
diff --git a/package-lock.json b/package-lock.json
index 33a8242..157ae56 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5,18 +5,18 @@
 	"requires": true,
 	"dependencies": {
 		"@babel/code-frame": {
-			"version": "7.5.5",
-			"resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.5.5.tgz",
-			"integrity": "sha512-27d4lZoomVyo51VegxI20xZPuSHusqbQag/ztrBC7wegWoQ1nLREPVSKSW8byhTlzTKyNE4ifaTA6lCp7JjpFw==",
+			"version": "7.8.3",
+			"resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+			"integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
 			"dev": true,
 			"requires": {
-				"@babel/highlight": "^7.0.0"
+				"@babel/highlight": "^7.8.3"
 			}
 		},
 		"@babel/highlight": {
-			"version": "7.5.0",
-			"resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.5.0.tgz",
-			"integrity": "sha512-7dV4eu9gBxoM0dAnj/BCFDW9LFU0zvTrkq0ugM7pnHEgguOEeOz1so2ZghEdzviYzQEED0r4EAgpsBChKy1TRQ==",
+			"version": "7.8.3",
+			"resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.8.3.tgz",
+			"integrity": "sha512-PX4y5xQUvy0fnEVHrYOarRPXVWafSjTW9T0Hab8gVIawpl2Sj0ORyrygANq+KjcNlSSTw0YCLSNA8OyZ1I4yEg==",
 			"dev": true,
 			"requires": {
 				"chalk": "^2.0.0",
@@ -85,14 +85,6 @@
 			"dev": true,
 			"requires": {
 				"sprintf-js": "~1.0.2"
-			},
-			"dependencies": {
-				"sprintf-js": {
-					"version": "1.0.3",
-					"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
-					"integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
-					"dev": true
-				}
 			}
 		},
 		"array-find-index": {
@@ -227,6 +219,14 @@
 				"semver": "^5.5.0",
 				"shebang-command": "^1.2.0",
 				"which": "^1.2.9"
+			},
+			"dependencies": {
+				"semver": {
+					"version": "5.7.1",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+					"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+					"dev": true
+				}
 			}
 		},
 		"currently-unhandled": {
@@ -342,14 +342,6 @@
 				"table": "^5.2.3",
 				"text-table": "^0.2.0",
 				"v8-compile-cache": "^2.0.3"
-			},
-			"dependencies": {
-				"semver": {
-					"version": "6.3.0",
-					"resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
-					"integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
-					"dev": true
-				}
 			}
 		},
 		"eslint-config-wikimedia": {
@@ -381,9 +373,9 @@
 			"dev": true
 		},
 		"eslint-plugin-no-jquery": {
-			"version": "2.3.0",
-			"resolved": "https://registry.npmjs.org/eslint-plugin-no-jquery/-/eslint-plugin-no-jquery-2.3.0.tgz",
-			"integrity": "sha512-XQQZM5yKO72Y8QAojNhH8oYLnLZU34FovNHVoJlPLBuBPJk0kkiPNOS/K6wRFbVgn47iZHsT6E+7mSLwbcQEsg==",
+			"version": "2.3.1",
+			"resolved": "https://registry.npmjs.org/eslint-plugin-no-jquery/-/eslint-plugin-no-jquery-2.3.1.tgz",
+			"integrity": "sha512-/fiQUBSOMUETnfBuiK5ewvtRbek1IRTy5ov/6RZ6nlybvZ337vyGaNPWM1KgaIoIeN7dairNrPfq0h7A0tpT3A==",
 			"dev": true
 		},
 		"eslint-plugin-qunit": {
@@ -599,15 +591,15 @@
 			"dev": true
 		},
 		"glob": {
-			"version": "7.0.6",
-			"resolved": "https://registry.npmjs.org/glob/-/glob-7.0.6.tgz",
-			"integrity": "sha1-IRuvr0nlJbjNkyYNFKsTYVKz9Xo=",
+			"version": "7.1.6",
+			"resolved": "https://registry.npmjs.org/glob/-/glob-7.1.6.tgz",
+			"integrity": "sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==",
 			"dev": true,
 			"requires": {
 				"fs.realpath": "^1.0.0",
 				"inflight": "^1.0.4",
 				"inherits": "2",
-				"minimatch": "^3.0.2",
+				"minimatch": "^3.0.4",
 				"once": "^1.3.0",
 				"path-is-absolute": "^1.0.0"
 			}
@@ -631,9 +623,9 @@
 			}
 		},
 		"graceful-fs": {
-			"version": "4.1.15",
-			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.1.15.tgz",
-			"integrity": "sha512-6uHUhOPEBgQ24HM+r6b/QwWfZq+yiFcipKFrOFiBEnWdy5sdzYoi+pJeQaPI5qOLRFqWmAXUPQNsielzdLoecA==",
+			"version": "4.2.3",
+			"resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
+			"integrity": "sha512-a30VEBm4PEdx1dRB7MFK7BejejvCvBronbLjht+sHuGYj8PHs7M/5Z+rt5lw551vZ7yfTCj4Vuyy3mSJytDWRQ==",
 			"dev": true
 		},
 		"grunt": {
@@ -661,6 +653,20 @@
 				"rimraf": "~2.6.2"
 			},
 			"dependencies": {
+				"glob": {
+					"version": "7.0.6",
+					"resolved": "https://registry.npmjs.org/glob/-/glob-7.0.6.tgz",
+					"integrity": "sha1-IRuvr0nlJbjNkyYNFKsTYVKz9Xo=",
+					"dev": true,
+					"requires": {
+						"fs.realpath": "^1.0.0",
+						"inflight": "^1.0.4",
+						"inherits": "2",
+						"minimatch": "^3.0.2",
+						"once": "^1.3.0",
+						"path-is-absolute": "^1.0.0"
+					}
+				},
 				"grunt-cli": {
 					"version": "1.2.0",
 					"resolved": "https://registry.npmjs.org/grunt-cli/-/grunt-cli-1.2.0.tgz",
@@ -753,9 +759,9 @@
 			"dev": true
 		},
 		"hosted-git-info": {
-			"version": "2.7.1",
-			"resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.7.1.tgz",
-			"integrity": "sha512-7T/BxH19zbcCTa8XkMlbK5lTo1WtgkFi3GvdWEyNuc4Vex7/9Dqbnpsf4JMydcfj9HCg4zUWFTL3Za6lapg5/w==",
+			"version": "2.8.5",
+			"resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.5.tgz",
+			"integrity": "sha512-kssjab8CvdXfcXMXVcvsXum4Hwdq9XGtRD3TteMEvEbq0LXyiNQr6AprqKqfeaDXze7SxWvRxdpwE6ku7ikLkg==",
 			"dev": true
 		},
 		"iconv-lite": {
@@ -809,15 +815,15 @@
 			}
 		},
 		"inherits": {
-			"version": "2.0.3",
-			"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
-			"integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+			"version": "2.0.4",
+			"resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+			"integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
 			"dev": true
 		},
 		"inquirer": {
-			"version": "7.0.2",
-			"resolved": "https://registry.npmjs.org/inquirer/-/inquirer-7.0.2.tgz",
-			"integrity": "sha512-cZGvHaHwcR9E3xK9EGO5pHKELU+yaeJO7l2qGKIbqk4bCuDuAn15LCoUTS2nSkfv9JybFlnAGrOcVpCDZZOLhw==",
+			"version": "7.0.3",
+			"resolved": "https://registry.npmjs.org/inquirer/-/inquirer-7.0.3.tgz",
+			"integrity": "sha512-+OiOVeVydu4hnCGLCSX+wedovR/Yzskv9BFqUNNKq9uU2qg7LCcCo3R86S2E7WLo0y/x2pnEZfZe1CoYnORUAw==",
 			"dev": true,
 			"requires": {
 				"ansi-escapes": "^4.2.1",
@@ -984,6 +990,14 @@
 				"read-pkg-up": "^1.0.1",
 				"redent": "^1.0.0",
 				"trim-newlines": "^1.0.0"
+			},
+			"dependencies": {
+				"minimist": {
+					"version": "1.2.0",
+					"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+					"integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+					"dev": true
+				}
 			}
 		},
 		"mimic-fn": {
@@ -1002,9 +1016,9 @@
 			}
 		},
 		"minimist": {
-			"version": "1.2.0",
-			"resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-			"integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+			"version": "0.0.8",
+			"resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+			"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
 			"dev": true
 		},
 		"mkdirp": {
@@ -1014,14 +1028,6 @@
 			"dev": true,
 			"requires": {
 				"minimist": "0.0.8"
-			},
-			"dependencies": {
-				"minimist": {
-					"version": "0.0.8",
-					"resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-					"integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-					"dev": true
-				}
 			}
 		},
 		"ms": {
@@ -1067,6 +1073,14 @@
 				"resolve": "^1.10.0",
 				"semver": "2 || 3 || 4 || 5",
 				"validate-npm-package-license": "^3.0.1"
+			},
+			"dependencies": {
+				"semver": {
+					"version": "5.7.1",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
+					"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
+					"dev": true
+				}
 			}
 		},
 		"number-is-nan": {
@@ -1261,9 +1275,9 @@
 			}
 		},
 		"resolve": {
-			"version": "1.11.1",
-			"resolved": "https://registry.npmjs.org/resolve/-/resolve-1.11.1.tgz",
-			"integrity": "sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==",
+			"version": "1.14.2",
+			"resolved": "https://registry.npmjs.org/resolve/-/resolve-1.14.2.tgz",
+			"integrity": "sha512-EjlOBLBO1kxsUxsKjLt7TAECyKW6fOh1VRkykQkKGzcBbjjPIxBqGh0jf7GJ3k/f5mxMqW3htMD3WdTUVtW8HQ==",
 			"dev": true,
 			"requires": {
 				"path-parse": "^1.0.6"
@@ -1292,22 +1306,6 @@
 			"dev": true,
 			"requires": {
 				"glob": "^7.1.3"
-			},
-			"dependencies": {
-				"glob": {
-					"version": "7.1.4",
-					"resolved": "https://registry.npmjs.org/glob/-/glob-7.1.4.tgz",
-					"integrity": "sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==",
-					"dev": true,
-					"requires": {
-						"fs.realpath": "^1.0.0",
-						"inflight": "^1.0.4",
-						"inherits": "2",
-						"minimatch": "^3.0.4",
-						"once": "^1.3.0",
-						"path-is-absolute": "^1.0.0"
-					}
-				}
 			}
 		},
 		"run-async": {
@@ -1335,9 +1333,9 @@
 			"dev": true
 		},
 		"semver": {
-			"version": "5.7.0",
-			"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-			"integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+			"version": "6.3.0",
+			"resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+			"integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
 			"dev": true
 		},
 		"shebang-command": {
@@ -1407,15 +1405,15 @@
 			}
 		},
 		"spdx-license-ids": {
-			"version": "3.0.4",
-			"resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
-			"integrity": "sha512-7j8LYJLeY/Yb6ACbQ7F76qy5jHkp0U6jgBfJsk97bwWlVUnUWsAgpyaCvo17h0/RQGnQ036tVDomiwoI4pDkQA==",
+			"version": "3.0.5",
+			"resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.5.tgz",
+			"integrity": "sha512-J+FWzZoynJEXGphVIS+XEh3kFSjZX/1i9gFBaWQcB+/tmpe2qUsSBABpcxqxnAxFdiUFEgAX1bjYGQvIZmoz9Q==",
 			"dev": true
 		},
 		"sprintf-js": {
-			"version": "1.1.2",
-			"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.2.tgz",
-			"integrity": "sha512-VE0SOVEHCk7Qc8ulkWw3ntAzXuqf7S2lvwQaDLRnUeIEaKNQJzV6BwmLKhOqT61aGhfUMrXeaBk+oDGCzvhcug==",
+			"version": "1.0.3",
+			"resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+			"integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
 			"dev": true
 		},
 		"string-width": {
@@ -1617,28 +1615,28 @@
 			}
 		},
 		"vscode-json-languageservice": {
-			"version": "3.4.9",
-			"resolved": "https://registry.npmjs.org/vscode-json-languageservice/-/vscode-json-languageservice-3.4.9.tgz",
-			"integrity": "sha512-4VCpZ9ooea/Zc/MTnj1ccc9C7rqcoinKVQLhLoi6jw6yueSf4y4tg/YIUiPPVMlEAG7ZCPS+NVmqxisQ+mOsSw==",
+			"version": "3.4.11",
+			"resolved": "https://registry.npmjs.org/vscode-json-languageservice/-/vscode-json-languageservice-3.4.11.tgz",
+			"integrity": "sha512-26Qv1SFp6x3XmCqU1BRceRsSKRO3xkQa6/K8ziSRt52/LQPiw5ipSxlGVSlzIoi5LCmQVEqUajhiVEMNlFXhNw==",
 			"dev": true,
 			"requires": {
 				"jsonc-parser": "^2.2.0",
-				"vscode-languageserver-textdocument": "^1.0.0-next.4",
-				"vscode-languageserver-types": "^3.15.0-next.6",
+				"vscode-languageserver-textdocument": "^1.0.0-next.5",
+				"vscode-languageserver-types": "^3.15.0-next.9",
 				"vscode-nls": "^4.1.1",
-				"vscode-uri": "^2.1.0"
+				"vscode-uri": "^2.1.1"
 			}
 		},
 		"vscode-languageserver-textdocument": {
-			"version": "1.0.0-next.5",
-			"resolved": "https://registry.npmjs.org/vscode-languageserver-textdocument/-/vscode-languageserver-textdocument-1.0.0-next.5.tgz",
-			"integrity": "sha512-1jp/zAidN/bF/sqPimhBX1orH5G4rzRw63k75TesukJDuxm8yW79ECStWbDSy41BHGOwSGN4M69QFvhancSr5A==",
+			"version": "1.0.0-next.6",
+			"resolved": "https://registry.npmjs.org/vscode-languageserver-textdocument/-/vscode-languageserver-textdocument-1.0.0-next.6.tgz",
+			"integrity": "sha512-GIHiFY2mJHqpztseSuo2Wvx5kJd6l1ya2rc7GTO0KQjkqFYmCGrumH86H4r7nvLEdV4OMqBTEc0OtBwYPIRd7w==",
 			"dev": true
 		},
 		"vscode-languageserver-types": {
-			"version": "3.15.0-next.9",
-			"resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.15.0-next.9.tgz",
-			"integrity": "sha512-Rl/8qJ6932nrHCdPn+9y0x08uLVQaSLRG+U4JzhyKpWU4eJbVaDRoAcz1Llj7CErJGbPr6kdBvShPy5fRfR+Uw==",
+			"version": "3.15.0-next.10",
+			"resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.15.0-next.10.tgz",
+			"integrity": "sha512-s9Psd+0sQVkH4o1U7hwTNJRuXQQgFvGVZIim7Wb44tcq54rZou3kJKCtdFEm0aHUuYxIrMPYrzuh1jlqCbRegw==",
 			"dev": true
 		},
 		"vscode-nls": {
diff --git a/package.json b/package.json
index 97c9cf2..61120db 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,6 @@
 		"test": "grunt test"
 	},
 	"devDependencies": {
-		"eslint": "6.8.0",
 		"eslint-config-wikimedia": "0.15.0",
 		"grunt": "1.0.4",
 		"grunt-banana-checker": "0.8.1",