diff --git a/.eslintrc.json b/.eslintrc.json
index 960b0a0e..e1f78fae 100644
--- a/.eslintrc.json
+++ b/.eslintrc.json
@@ -10,6 +10,7 @@
 	},
 	"rules": {
 		"max-len": "off",
-		"no-jquery/no-global-selector": "off"
+		"no-jquery/no-global-selector": "off",
+		"no-jquery/no-class-state": "off"
 	}
 }
diff --git a/package-lock.json b/package-lock.json
index b20394c0..5fb78094 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -237,15 +237,15 @@
 			"dev": true
 		},
 		"acorn": {
-			"version": "6.1.1",
-			"resolved": "https://registry.npmjs.org/acorn/-/acorn-6.1.1.tgz",
-			"integrity": "sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==",
+			"version": "7.1.0",
+			"resolved": "https://registry.npmjs.org/acorn/-/acorn-7.1.0.tgz",
+			"integrity": "sha512-kL5CuoXA/dgxlBbVrflsflzQ3PAas7RYZB52NOm/6839iVYJgKMJ3cQJD+t2i5+qFa8h3MDpEOJiS64E8JLnSQ==",
 			"dev": true
 		},
 		"acorn-jsx": {
-			"version": "5.0.1",
-			"resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.0.1.tgz",
-			"integrity": "sha512-HJ7CfNHrfJLlNTzIEUTj43LNWGkqpRLxm3YjAlcD0ACydk9XynzYsCBHxut+iqt+1aBXkx9UP/w/ZqMr13XIzg==",
+			"version": "5.1.0",
+			"resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.1.0.tgz",
+			"integrity": "sha512-tMUqwBWfLFbJbizRmEcWSLw6HnFzfdJs2sOJEOwwtVPMoH/0Ay+E703oZz78VSXZiiDcZrQ5XKjPIUQixhmgVw==",
 			"dev": true
 		},
 		"ajv": {
@@ -782,9 +782,9 @@
 			}
 		},
 		"callsites": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/callsites/-/callsites-3.0.0.tgz",
-			"integrity": "sha512-tWnkwu9YEq2uzlBDI4RcLn8jrFvF9AOi8PxDNU3hZZjJcjkcRAq3vCI+vZcg1SuxISDYe86k9VZFwAxDiJGoAw==",
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
+			"integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
 			"dev": true
 		},
 		"camelcase": {
@@ -1457,105 +1457,92 @@
 			"dev": true
 		},
 		"eslint": {
-			"version": "5.15.3",
-			"resolved": "https://registry.npmjs.org/eslint/-/eslint-5.15.3.tgz",
-			"integrity": "sha512-vMGi0PjCHSokZxE0NLp2VneGw5sio7SSiDNgIUn2tC0XkWJRNOIoHIg3CliLVfXnJsiHxGAYrkw0PieAu8+KYQ==",
+			"version": "6.5.1",
+			"resolved": "https://registry.npmjs.org/eslint/-/eslint-6.5.1.tgz",
+			"integrity": "sha512-32h99BoLYStT1iq1v2P9uwpyznQ4M2jRiFB6acitKz52Gqn+vPaMDUTB1bYi1WN4Nquj2w+t+bimYUG83DC55A==",
 			"dev": true,
 			"requires": {
 				"@babel/code-frame": "^7.0.0",
-				"ajv": "^6.9.1",
+				"ajv": "^6.10.0",
 				"chalk": "^2.1.0",
 				"cross-spawn": "^6.0.5",
 				"debug": "^4.0.1",
 				"doctrine": "^3.0.0",
-				"eslint-scope": "^4.0.3",
-				"eslint-utils": "^1.3.1",
-				"eslint-visitor-keys": "^1.0.0",
-				"espree": "^5.0.1",
+				"eslint-scope": "^5.0.0",
+				"eslint-utils": "^1.4.2",
+				"eslint-visitor-keys": "^1.1.0",
+				"espree": "^6.1.1",
 				"esquery": "^1.0.1",
 				"esutils": "^2.0.2",
 				"file-entry-cache": "^5.0.1",
 				"functional-red-black-tree": "^1.0.1",
-				"glob": "^7.1.2",
+				"glob-parent": "^5.0.0",
 				"globals": "^11.7.0",
 				"ignore": "^4.0.6",
 				"import-fresh": "^3.0.0",
 				"imurmurhash": "^0.1.4",
-				"inquirer": "^6.2.2",
-				"js-yaml": "^3.12.0",
+				"inquirer": "^6.4.1",
+				"is-glob": "^4.0.0",
+				"js-yaml": "^3.13.1",
 				"json-stable-stringify-without-jsonify": "^1.0.1",
 				"levn": "^0.3.0",
-				"lodash": "^4.17.11",
+				"lodash": "^4.17.14",
 				"minimatch": "^3.0.4",
 				"mkdirp": "^0.5.1",
 				"natural-compare": "^1.4.0",
 				"optionator": "^0.8.2",
-				"path-is-inside": "^1.0.2",
 				"progress": "^2.0.0",
 				"regexpp": "^2.0.1",
-				"semver": "^5.5.1",
-				"strip-ansi": "^4.0.0",
-				"strip-json-comments": "^2.0.1",
+				"semver": "^6.1.2",
+				"strip-ansi": "^5.2.0",
+				"strip-json-comments": "^3.0.1",
 				"table": "^5.2.3",
-				"text-table": "^0.2.0"
+				"text-table": "^0.2.0",
+				"v8-compile-cache": "^2.0.3"
+			},
+			"dependencies": {
+				"ansi-regex": {
+					"version": "4.1.0",
+					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
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+					"dev": true
+				},
+				"glob-parent": {
+					"version": "5.1.0",
+					"resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.0.tgz",
+					"integrity": "sha512-qjtRgnIVmOfnKUE3NJAQEdk+lKrxfw8t5ke7SXtfMTHcjsBfOfWXCQfdb30zfDoZQ2IRSIiidmjtbHZPZ++Ihw==",
+					"dev": true,
+					"requires": {
+						"is-glob": "^4.0.1"
+					}
+				},
+				"semver": {
+					"version": "6.3.0",
+					"resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+					"integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+					"dev": true
+				},
+				"strip-ansi": {
+					"version": "5.2.0",
+					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+					"integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+					"dev": true,
+					"requires": {
+						"ansi-regex": "^4.1.0"
+					}
+				}
 			}
 		},
 		"eslint-config-wikimedia": {
-			"version": "0.12.0",
-			"resolved": "https://registry.npmjs.org/eslint-config-wikimedia/-/eslint-config-wikimedia-0.12.0.tgz",
-			"integrity": "sha512-ZkmGLvwmoEacj55t8Z6VH6wUu4/XTlgkSCerHkj+VU4tmyCD4mlzvTeSaPzOEDmZTVWUoiKnB6mvUx06l7uIbw==",
+			"version": "0.14.3",
+			"resolved": "https://registry.npmjs.org/eslint-config-wikimedia/-/eslint-config-wikimedia-0.14.3.tgz",
+			"integrity": "sha512-x/3wTTfcL9uBdFhl0CrXMd9lGEDgrRMu32HwM0mCqN87e105D5XLPd+HoYe72B3f0Zd0p9BwSBOxl/6QZSGwvA==",
 			"dev": true,
 			"requires": {
-				"eslint": "^5.16.0",
+				"eslint": "^6.2.2",
 				"eslint-plugin-json": "^1.4.0",
-				"eslint-plugin-no-jquery": "^2.0.0",
+				"eslint-plugin-no-jquery": "^2.2.1",
 				"eslint-plugin-qunit": "^4.0.0"
-			},
-			"dependencies": {
-				"eslint": {
-					"version": "5.16.0",
-					"resolved": "https://registry.npmjs.org/eslint/-/eslint-5.16.0.tgz",
-					"integrity": "sha512-S3Rz11i7c8AA5JPv7xAH+dOyq/Cu/VXHiHXBPOU1k/JAM5dXqQPt3qcrhpHSorXmrpu2g0gkIBVXAqCpzfoZIg==",
-					"dev": true,
-					"requires": {
-						"@babel/code-frame": "^7.0.0",
-						"ajv": "^6.9.1",
-						"chalk": "^2.1.0",
-						"cross-spawn": "^6.0.5",
-						"debug": "^4.0.1",
-						"doctrine": "^3.0.0",
-						"eslint-scope": "^4.0.3",
-						"eslint-utils": "^1.3.1",
-						"eslint-visitor-keys": "^1.0.0",
-						"espree": "^5.0.1",
-						"esquery": "^1.0.1",
-						"esutils": "^2.0.2",
-						"file-entry-cache": "^5.0.1",
-						"functional-red-black-tree": "^1.0.1",
-						"glob": "^7.1.2",
-						"globals": "^11.7.0",
-						"ignore": "^4.0.6",
-						"import-fresh": "^3.0.0",
-						"imurmurhash": "^0.1.4",
-						"inquirer": "^6.2.2",
-						"js-yaml": "^3.13.0",
-						"json-stable-stringify-without-jsonify": "^1.0.1",
-						"levn": "^0.3.0",
-						"lodash": "^4.17.11",
-						"minimatch": "^3.0.4",
-						"mkdirp": "^0.5.1",
-						"natural-compare": "^1.4.0",
-						"optionator": "^0.8.2",
-						"path-is-inside": "^1.0.2",
-						"progress": "^2.0.0",
-						"regexpp": "^2.0.1",
-						"semver": "^5.5.1",
-						"strip-ansi": "^4.0.0",
-						"strip-json-comments": "^2.0.1",
-						"table": "^5.2.3",
-						"text-table": "^0.2.0"
-					}
-				}
 			}
 		},
 		"eslint-plugin-json": {
@@ -1568,9 +1555,9 @@
 			}
 		},
 		"eslint-plugin-no-jquery": {
-			"version": "2.0.0",
-			"resolved": "https://registry.npmjs.org/eslint-plugin-no-jquery/-/eslint-plugin-no-jquery-2.0.0.tgz",
-			"integrity": "sha512-aFy3fMBlc630/qeasjocb9uIqmwoyOmmTQiBaDs70Aryqi9uPH0EZLPtIOshDMcGeAkyyAkcc+WuIw6bRsoLuw==",
+			"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==",
 			"dev": true
 		},
 		"eslint-plugin-qunit": {
@@ -1580,9 +1567,9 @@
 			"dev": true
 		},
 		"eslint-scope": {
-			"version": "4.0.3",
-			"resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-4.0.3.tgz",
-			"integrity": "sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==",
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.0.0.tgz",
+			"integrity": "sha512-oYrhJW7S0bxAFDvWqzvMPRm6pcgcnWc4QnofCAqRTRfQC0JcwenzGglTtsLyIuuWFfkqDG9vz67cnttSd53djw==",
 			"dev": true,
 			"requires": {
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@@ -1590,29 +1577,29 @@
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 		},
 		"eslint-utils": {
-			"version": "1.4.2",
-			"resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.2.tgz",
-			"integrity": "sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==",
+			"version": "1.4.3",
+			"resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.3.tgz",
+			"integrity": "sha512-fbBN5W2xdY45KulGXmLHZ3c3FHfVYmKg0IrAKGOkT/464PQsx2UeIzfz1RmEci+KLm1bBaAzZAh8+/E+XAeZ8Q==",
 			"dev": true,
 			"requires": {
-				"eslint-visitor-keys": "^1.0.0"
+				"eslint-visitor-keys": "^1.1.0"
 			}
 		},
 		"eslint-visitor-keys": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz",
-			"integrity": "sha512-qzm/XxIbxm/FHyH341ZrbnMUpe+5Bocte9xkmFMzPMjRaZMcXww+MpBptFvtU+79L362nqiLhekCxCxDPaUMBQ==",
+			"version": "1.1.0",
+			"resolved": "https://registry.npmjs.org/eslint-visitor-keys/-/eslint-visitor-keys-1.1.0.tgz",
+			"integrity": "sha512-8y9YjtM1JBJU/A9Kc+SbaOV4y29sSWckBwMHa+FGtVj5gN/sbnKDf6xJUl+8g7FAij9LVaP8C24DUiH/f/2Z9A==",
 			"dev": true
 		},
 		"espree": {
-			"version": "5.0.1",
-			"resolved": "https://registry.npmjs.org/espree/-/espree-5.0.1.tgz",
-			"integrity": "sha512-qWAZcWh4XE/RwzLJejfcofscgMc9CamR6Tn1+XRXNzrvUSSbiAjGOI/fggztjIi7y9VLPqnICMIPiGyr8JaZ0A==",
+			"version": "6.1.2",
+			"resolved": "https://registry.npmjs.org/espree/-/espree-6.1.2.tgz",
+			"integrity": "sha512-2iUPuuPP+yW1PZaMSDM9eyVf8D5P0Hi8h83YtZ5bPc/zHYjII5khoixIUTMO794NOY8F/ThF1Bo8ncZILarUTA==",
 			"dev": true,
 			"requires": {
-				"acorn": "^6.0.7",
-				"acorn-jsx": "^5.0.0",
-				"eslint-visitor-keys": "^1.0.0"
+				"acorn": "^7.1.0",
+				"acorn-jsx": "^5.1.0",
+				"eslint-visitor-keys": "^1.1.0"
 			}
 		},
 		"esprima": {
@@ -1640,9 +1627,9 @@
 			}
 		},
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-			"resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.2.0.tgz",
-			"integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
+			"version": "4.3.0",
+			"resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
+			"integrity": "sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==",
 			"dev": true
 		},
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@@ -1750,9 +1737,9 @@
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 		},
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-			"resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.0.3.tgz",
-			"integrity": "sha512-bn71H9+qWoOQKyZDo25mOMVpSmXROAsTJVVVYzrrtol3d4y+AsKjf4Iwl2Q+IuT0kFSQ1qo166UuIwqYq7mGnA==",
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/external-editor/-/external-editor-3.1.0.tgz",
+			"integrity": "sha512-hMQ4CX1p1izmuLYyZqLMO/qGNw10wSv9QDCPfzXfyFrOaCSSoRfqE1Kf1s5an66J5JZC62NewG+mK49jOCtQew==",
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@@ -2282,19 +2269,19 @@
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 		"grunt-banana-checker": {
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-			"resolved": "https://registry.npmjs.org/grunt-banana-checker/-/grunt-banana-checker-0.7.0.tgz",
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+			"version": "0.8.1",
+			"resolved": "https://registry.npmjs.org/grunt-banana-checker/-/grunt-banana-checker-0.8.1.tgz",
+			"integrity": "sha512-fx3lqZZFL9EihNI4BpwNmcjsb5tCVfa/xWVXLT3fipSOrLr/BsWdAUTltscTx55/tSwSR8VbJOulI00e1WTtoA==",
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 		"grunt-eslint": {
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-			"resolved": "https://registry.npmjs.org/grunt-eslint/-/grunt-eslint-21.0.0.tgz",
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+			"version": "22.0.0",
+			"resolved": "https://registry.npmjs.org/grunt-eslint/-/grunt-eslint-22.0.0.tgz",
+			"integrity": "sha512-I7vIU4x/mb20fmA6TAmLx6Wzn7mfs8ZXeuk7LbP2ujKVFV7KZmJ3qXUyqe2wnD+v/74Rs5uYOZrLL8EoBmlG9Q==",
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-				"eslint": "^5.0.0"
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 		"grunt-known-options": {
@@ -2341,54 +2328,12 @@
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-			"resolved": "https://registry.npmjs.org/grunt-stylelint/-/grunt-stylelint-0.10.1.tgz",
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+			"version": "0.11.1",
+			"resolved": "https://registry.npmjs.org/grunt-stylelint/-/grunt-stylelint-0.11.1.tgz",
+			"integrity": "sha512-DYq74oCsk6Q/fmUarv4CGrt6M/61yrtHRSM5FfrJy8uLFo+WQ/tiMWmROk+53Vvq3GWz8+m/Rz/Ne+Ag0QZvjw==",
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-					"resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-					"integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-					"dev": true
-				},
-				"ansi-styles": {
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-					"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-					"integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-					"dev": true
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-				"chalk": {
-					"version": "1.1.3",
-					"resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-					"integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
-					"dev": true,
-					"requires": {
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-						"escape-string-regexp": "^1.0.2",
-						"has-ansi": "^2.0.0",
-						"strip-ansi": "^3.0.0",
-						"supports-color": "^2.0.0"
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-				"strip-ansi": {
-					"version": "3.0.1",
-					"resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
-					"integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
-					"dev": true,
-					"requires": {
-						"ansi-regex": "^2.0.0"
-					}
-				},
-				"supports-color": {
-					"version": "2.0.0",
-					"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-2.0.0.tgz",
-					"integrity": "sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=",
-					"dev": true
-				}
+				"chalk": "2.4.2"
 			}
 		},
 		"har-schema": {
@@ -2545,9 +2490,9 @@
 			"dev": true
 		},
 		"import-fresh": {
-			"version": "3.0.0",
-			"resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.0.0.tgz",
-			"integrity": "sha512-pOnA9tfM3Uwics+SaBLCNyZZZbK+4PTu0OPZtLlMIrv17EdBoC15S9Kn8ckJ9TZTyKb3ywNE5y1yeDxxGA7nTQ==",
+			"version": "3.1.0",
+			"resolved": "https://registry.npmjs.org/import-fresh/-/import-fresh-3.1.0.tgz",
+			"integrity": "sha512-PpuksHKGt8rXfWEr9m9EHIpgyyaltBy8+eF6GJM0QCAxMgxCfucMF3mjecK2QsJr0amJW7gTqh5/wht0z2UhEQ==",
 			"dev": true,
 			"requires": {
 				"parent-module": "^1.0.0",
@@ -2604,9 +2549,9 @@
 			"dev": true
 		},
 		"inquirer": {
-			"version": "6.2.2",
-			"resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.2.2.tgz",
-			"integrity": "sha512-Z2rREiXA6cHRR9KBOarR3WuLlFzlIfAEIiB45ll5SSadMg7WqOh1MKEjjndfuH5ewXdixWCxqnVfGOQzPeiztA==",
+			"version": "6.5.2",
+			"resolved": "https://registry.npmjs.org/inquirer/-/inquirer-6.5.2.tgz",
+			"integrity": "sha512-cntlB5ghuB0iuO65Ovoi8ogLHiWGs/5yNrtUcKjFhSSiVeAIVpD7koaSU9RM8mpXw5YDi9RdYXGQMaOURB7ycQ==",
 			"dev": true,
 			"requires": {
 				"ansi-escapes": "^3.2.0",
@@ -2615,12 +2560,12 @@
 				"cli-width": "^2.0.0",
 				"external-editor": "^3.0.3",
 				"figures": "^2.0.0",
-				"lodash": "^4.17.11",
+				"lodash": "^4.17.12",
 				"mute-stream": "0.0.7",
 				"run-async": "^2.2.0",
 				"rxjs": "^6.4.0",
 				"string-width": "^2.1.0",
-				"strip-ansi": "^5.0.0",
+				"strip-ansi": "^5.1.0",
 				"through": "^2.3.6"
 			},
 			"dependencies": {
@@ -2977,9 +2922,9 @@
 			}
 		},
 		"jsonc-parser": {
-			"version": "2.1.0",
-			"resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-2.1.0.tgz",
-			"integrity": "sha512-n9GrT8rrr2fhvBbANa1g+xFmgGK5X91KFeDwlKQ3+SJfmH5+tKv/M/kahx/TXOMflfWHKGKqKyfHQaLKTNzJ6w==",
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-2.1.1.tgz",
+			"integrity": "sha512-VC0CjnWJylKB1iov4u76/W/5Ef0ydDkjtYWxoZ9t3HdWlSnZQwZL5MgFikaB/EtQ4RmMEw3tmQzuYnZA2/Ja1g==",
 			"dev": true
 		},
 		"jsprim": {
@@ -3662,9 +3607,9 @@
 			"dev": true
 		},
 		"parent-module": {
-			"version": "1.0.0",
-			"resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.0.tgz",
-			"integrity": "sha512-8Mf5juOMmiE4FcmzYc4IaiS9L3+9paz2KOiXzkRviCP6aDmN49Hz6EMWz0lGNp9pX80GvvAuLADtyGfW/Em3TA==",
+			"version": "1.0.1",
+			"resolved": "https://registry.npmjs.org/parent-module/-/parent-module-1.0.1.tgz",
+			"integrity": "sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==",
 			"dev": true,
 			"requires": {
 				"callsites": "^3.0.0"
@@ -3720,12 +3665,6 @@
 			"integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
 			"dev": true
 		},
-		"path-is-inside": {
-			"version": "1.0.2",
-			"resolved": "https://registry.npmjs.org/path-is-inside/-/path-is-inside-1.0.2.tgz",
-			"integrity": "sha1-NlQX3t5EQw0cEa9hAn+s8HS9/FM=",
-			"dev": true
-		},
 		"path-key": {
 			"version": "2.0.1",
 			"resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
@@ -4252,9 +4191,9 @@
 			}
 		},
 		"rxjs": {
-			"version": "6.4.0",
-			"resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-			"integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+			"version": "6.5.3",
+			"resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.3.tgz",
+			"integrity": "sha512-wuYsAYYFdWTAnAaPoKGNhfpWwKZbJW+HgAJ+mImp+Epl7BG8oNWBCTyRM8gba9k4lk8BgWdoYm21Mo/RYhhbgA==",
 			"dev": true,
 			"requires": {
 				"tslib": "^1.9.0"
@@ -4709,9 +4648,9 @@
 			}
 		},
 		"strip-json-comments": {
-			"version": "2.0.1",
-			"resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-			"integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+			"version": "3.0.1",
+			"resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.0.1.tgz",
+			"integrity": "sha512-VTyMAUfdm047mwKl+u79WIdrZxtFtn+nBxHeb844XBQ9uMNTuTHdx2hc5RiAJYqwTj3wc/xe5HLSdJSkJ+WfZw==",
 			"dev": true
 		},
 		"style-search": {
@@ -5228,9 +5167,9 @@
 			"dev": true
 		},
 		"tslib": {
-			"version": "1.9.3",
-			"resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-			"integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
+			"version": "1.10.0",
+			"resolved": "https://registry.npmjs.org/tslib/-/tslib-1.10.0.tgz",
+			"integrity": "sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==",
 			"dev": true
 		},
 		"tunnel-agent": {
@@ -5450,6 +5389,12 @@
 			"integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
 			"dev": true
 		},
+		"v8-compile-cache": {
+			"version": "2.1.0",
+			"resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
+			"integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==",
+			"dev": true
+		},
 		"validate-npm-package-license": {
 			"version": "3.0.4",
 			"resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
@@ -5507,21 +5452,21 @@
 			}
 		},
 		"vscode-json-languageservice": {
-			"version": "3.2.1",
-			"resolved": "https://registry.npmjs.org/vscode-json-languageservice/-/vscode-json-languageservice-3.2.1.tgz",
-			"integrity": "sha512-ee9MJ70/xR55ywvm0bZsDLhA800HCRE27AYgMNTU14RSg20Y+ngHdQnUt6OmiTXrQDI/7sne6QUOtHIN0hPQYA==",
+			"version": "3.3.5",
+			"resolved": "https://registry.npmjs.org/vscode-json-languageservice/-/vscode-json-languageservice-3.3.5.tgz",
+			"integrity": "sha512-Le6SG5aRdrRc5jVeVMRkYbGH9rrVaZHCW0Oa8zCFQ0T8viUud9qdZ29lSv5NPNLwTB8mn4pYucFyyEPM2YWvLA==",
 			"dev": true,
 			"requires": {
-				"jsonc-parser": "^2.0.2",
-				"vscode-languageserver-types": "^3.13.0",
-				"vscode-nls": "^4.0.0",
-				"vscode-uri": "^1.0.6"
+				"jsonc-parser": "^2.1.1",
+				"vscode-languageserver-types": "^3.15.0-next.5",
+				"vscode-nls": "^4.1.1",
+				"vscode-uri": "^2.0.3"
 			}
 		},
 		"vscode-languageserver-types": {
-			"version": "3.14.0",
-			"resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.14.0.tgz",
-			"integrity": "sha512-lTmS6AlAlMHOvPQemVwo3CezxBp0sNB95KNPkqp3Nxd5VFEnuG1ByM0zlRWos0zjO3ZWtkvhal0COgiV1xIA4A==",
+			"version": "3.15.0-next.5",
+			"resolved": "https://registry.npmjs.org/vscode-languageserver-types/-/vscode-languageserver-types-3.15.0-next.5.tgz",
+			"integrity": "sha512-7hrELhTeWieUgex3+6692KjCkcmO/+V/bFItM5MHGcBotzwmjEuXjapLLYTYhIspuJ1ibRSik5MhX5YwLpsPiw==",
 			"dev": true
 		},
 		"vscode-nls": {
@@ -5531,9 +5476,9 @@
 			"dev": true
 		},
 		"vscode-uri": {
-			"version": "1.0.8",
-			"resolved": "https://registry.npmjs.org/vscode-uri/-/vscode-uri-1.0.8.tgz",
-			"integrity": "sha512-obtSWTlbJ+a+TFRYGaUumtVwb+InIUVI0Lu0VBUAPmj2cU5JutEXg3xUE0c2J5Tcy7h2DEKVJBFi+Y9ZSFzzPQ==",
+			"version": "2.0.3",
+			"resolved": "https://registry.npmjs.org/vscode-uri/-/vscode-uri-2.0.3.tgz",
+			"integrity": "sha512-4D3DI3F4uRy09WNtDGD93H9q034OHImxiIcSq664Hq1Y1AScehlP3qqZyTkX/RWxeu0MRMHGkrxYqm2qlDF/aw==",
 			"dev": true
 		},
 		"wdio-dot-reporter": {
diff --git a/package.json b/package.json
index 5ad1f704..b7a601d6 100644
--- a/package.json
+++ b/package.json
@@ -6,11 +6,11 @@
 		"test": "grunt test"
 	},
 	"devDependencies": {
-		"eslint-config-wikimedia": "0.12.0",
+		"eslint-config-wikimedia": "0.14.3",
 		"grunt": "1.0.4",
-		"grunt-banana-checker": "0.7.0",
-		"grunt-eslint": "21.0.0",
-		"grunt-stylelint": "0.10.1",
+		"grunt-banana-checker": "0.8.1",
+		"grunt-eslint": "22.0.0",
+		"grunt-stylelint": "0.11.1",
 		"mwbot": "1.0.10",
 		"stylelint-config-wikimedia": "0.6.0",
 		"wdio-mediawiki": "0.4.0",
diff --git a/tests/selenium/pageobjects/diff.page.js b/tests/selenium/pageobjects/diff.page.js
index 22255b1b..02f5f191 100644
--- a/tests/selenium/pageobjects/diff.page.js
+++ b/tests/selenium/pageobjects/diff.page.js
@@ -20,7 +20,7 @@ class DiffPage extends Page {
 	}
 
 	prepareFilterTests() {
-		let title = Util.getTestString( 'revisionslider-test-' );
+		const title = Util.getTestString( 'revisionslider-test-' );
 		BlankPage.open();
 		this.toggleHelpDialog( false );
 		this.hasPageWithDifferentEdits( title );
@@ -40,7 +40,7 @@ class DiffPage extends Page {
 	 * @param {boolean} [show] Defaults to true.
 	 */
 	toggleHelpDialog( show ) {
-		let hide = show === false;
+		const hide = show === false;
 		browser.localStorage( 'POST', { key: 'mw-revslider-hide-help-dialogue', value: hide ? '1' : '0' } );
 	}
 
@@ -78,7 +78,7 @@ class DiffPage extends Page {
 	 * @param {string} title Article to edit.
 	 */
 	addTaggedEditToPage( title ) {
-		let bot = new MWBot();
+		const bot = new MWBot();
 
 		browser.call( function () {
 			return bot.loginGetEditToken( {
@@ -100,9 +100,9 @@ class DiffPage extends Page {
 	 * @param {string} title Article to edit.
 	 */
 	addTaggedOtherUserEditToPage( title ) {
-		let bot = new MWBot();
-		let otherUser = Util.getTestString( 'User-' );
-		let otherUserPassword = Util.getTestString();
+		const bot = new MWBot();
+		const otherUser = Util.getTestString( 'User-' );
+		const otherUserPassword = Util.getTestString();
 		browser.call( function () {
 			return Api.createAccount( otherUser, otherUserPassword );
 		} );