Update typescript-eslint monorepo to v2.31.0 (#428)

* Update typescript-eslint monorepo to v2.31.0

* Fixed found lint complaints

Co-authored-by: Renovate Bot <[email protected]>
Co-authored-by: Josh Goldberg <[email protected]>

Author: 3 people

package-lock.json

@@ -27,8 +27,8 @@
         "@types/glob": "7.1.1",
         "@types/jest": "25.2.1",
         "@types/node": "12.12.21",
-        "@typescript-eslint/eslint-plugin": "2.29.0",
-        "@typescript-eslint/parser": "2.29.0",
+        "@typescript-eslint/eslint-plugin": "2.31.0",
+        "@typescript-eslint/parser": "2.31.0",
         "babel-jest": "26.0.1",
         "eslint": "7.0.0",
         "husky": "4.2.5",

package.json

@@ -15,10 +15,10 @@ export const convertStrictBooleanExpressions: RuleConverter = (tslintRule) => {
                 case "allow-undefined-union":
                 case "allow-boolean-or-undefined":
                 case "allow-null-union":
-                    ruleArguments["allowNullable"] = true;
+                    ruleArguments.allowNullable = true;
                     break;
                 case "ignore-rhs":
-                    ruleArguments["ignoreRhs"] = true;
+                    ruleArguments.ignoreRhs = true;
                     break;
                 default:
                     break;