[Dev Deps] update @babel/cli, @babel/core, @babel/eslint-parser, @babel/plugin-transform-flow-strip-types, eslint-config-airbnb-base

Author: ljharb

Diff for: package.json

@@ -31,15 +31,15 @@
     "jest": "jest --coverage __tests__/**/*"
   },
   "devDependencies": {
-    "@babel/cli": "^7.15.7",
-    "@babel/core": "^7.15.8",
-    "@babel/eslint-parser": "^7.15.8",
-    "@babel/plugin-transform-flow-strip-types": "^7.14.5",
+    "@babel/cli": "^7.16.0",
+    "@babel/core": "^7.16.0",
+    "@babel/eslint-parser": "^7.16.3",
+    "@babel/plugin-transform-flow-strip-types": "^7.16.0",
     "aud": "^1.1.5",
     "babel-jest": "^24.9.0",
     "babel-preset-airbnb": "^5.0.0",
     "eslint": "^3 || ^4 || ^5 || ^6 || ^7",
-    "eslint-config-airbnb-base": "^14.2.1",
+    "eslint-config-airbnb-base": "^15.0.0",
     "eslint-plugin-eslint-plugin": "^4.0.2",
     "eslint-plugin-flowtype": "^5.8.0",
     "eslint-plugin-import": "^2.25.2",

Diff for: src/util/schemas.js

@@ -26,7 +26,7 @@ export const enumArraySchema = (enumeratedList = [], minItems = 0) => ({
  * Factory function to generate an object schema
  * with specified properties object
  */
-export const generateObjSchema = (properties = {}, required) => ({
+export const generateObjSchema = (properties = {}, required = undefined) => ({
   type: 'object',
   properties,
   required,