mod should unload itself to avoid being visible; other changes are syntactic

package.json

@@ -10,13 +10,34 @@
 		"@types/tampermonkey": "^5.0.3"
   },
 	"license": "SEE LICENSE IN LICENSE.",
-	"xo": {
-		"env": [
-			"browser",
-			"node"
+	"eslintConfig": {
+		"root": true,
+		"extends": [
+			"xo",
+			"xo-typescript"
 		],
-		"globals": ["GM", "GM_info"],
+		"parser": "@typescript-eslint/parser",
+		"parserOptions": { "project": ["./jsconfig.json"] },
+		"plugins": ["@typescript-eslint"],
+		"globals": {"GM": true, "GM_info": true},
 		"rules": {
+			"@typescript-eslint/brace-style": "off",
+			"@typescript-eslint/comma-dangle": ["error", "only-multiline"],
+			"@typescript-eslint/consistent-type-definitions": "off",
+			"@typescript-eslint/member-delimiter-style": "off",
+			"@typescript-eslint/naming-convention": "off",
+			"@typescript-eslint/no-confusing-void-expression": ["error", {
+				"ignoreVoidOperator": true
+			}],
+			"@typescript-eslint/no-meaningless-void-operator": "off",
+			"@typescript-eslint/padding-line-between-statements": "off",
+			"@typescript-eslint/semi": "off",
+			"@typescript-eslint/space-before-function-paren": "off",
+			"@typescript-eslint/strict-boolean-expressions": ["error", {
+				"allowString": false,
+				"allowNumber": false,
+				"allowNullableObject": false
+			}],
 			"array-element-newline": "off",
 			"brace-style": "off",
 			"camelcase": "off",
@@ -44,6 +65,14 @@
 			"unicorn/prefer-module": "off",
 			"unicorn/prefer-top-level-await": "off",
 			"fake/fuck-commas": "off"
-		}
+		},
+		"overrides": [
+			{
+				"files": ["*.d.ts"],
+				"rules": {
+					"no-unused-vars": "off"
+				}
+			}
+		]
 	}
 }