chore: upgrade deps

package.json

@@ -52,77 +52,77 @@
     "docker:build": "docker build -f config/docker/Dockerfile -t redoc ."
   },
   "devDependencies": {
-    "@babel/core": "7.5.5",
+    "@babel/core": "7.6.2",
     "@babel/plugin-syntax-decorators": "7.2.0",
     "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/plugin-syntax-jsx": "7.2.0",
     "@babel/plugin-syntax-typescript": "7.3.3",
     "@cypress/webpack-preprocessor": "4.1.0",
-    "@hot-loader/react-dom": "^16.8.6",
-    "@types/chai": "4.1.7",
+    "@hot-loader/react-dom": "^16.9.0",
+    "@types/chai": "4.2.3",
     "@types/dompurify": "^0.0.33",
     "@types/enzyme": "^3.10.3",
     "@types/enzyme-to-json": "^1.5.3",
-    "@types/jest": "^24.0.15",
+    "@types/jest": "^24.0.18",
     "@types/json-pointer": "^1.0.30",
-    "@types/lodash": "^4.14.136",
+    "@types/lodash": "^4.14.141",
     "@types/lunr": "^2.3.2",
     "@types/mark.js": "^8.11.4",
     "@types/marked": "^0.6.5",
     "@types/prismjs": "^1.16.0",
-    "@types/prop-types": "^15.7.1",
-    "@types/react": "^16.8.23",
-    "@types/react-dom": "^16.8.5",
+    "@types/prop-types": "^15.7.3",
+    "@types/react": "^16.9.3",
+    "@types/react-dom": "^16.9.1",
     "@types/react-hot-loader": "^4.1.0",
     "@types/react-tabs": "^2.3.1",
-    "@types/styled-components": "^4.1.18",
+    "@types/styled-components": "^4.1.19",
     "@types/tapable": "1.0.4",
-    "@types/webpack": "^4.32.1",
+    "@types/webpack": "^4.39.2",
     "@types/webpack-env": "^1.14.0",
-    "@types/yargs": "^13.0.0",
+    "@types/yargs": "^13.0.3",
     "babel-loader": "8.0.6",
     "babel-plugin-styled-components": "^1.10.6",
     "beautify-benchmark": "^0.2.4",
     "bundlesize": "^0.18.0",
     "conventional-changelog-cli": "^2.0.23",
     "copy-webpack-plugin": "^5.0.4",
-    "core-js": "^3.1.4",
-    "coveralls": "^3.0.5",
-    "css-loader": "^3.1.0",
-    "cypress": "~3.4.0",
+    "core-js": "^3.2.1",
+    "coveralls": "^3.0.6",
+    "css-loader": "^3.2.0",
+    "cypress": "~3.4.1",
     "deploy-to-gh-pages": "^1.3.7",
     "enzyme": "^3.10.0",
     "enzyme-adapter-react-16": "^1.14.0",
-    "enzyme-to-json": "^3.3.5",
-    "fork-ts-checker-webpack-plugin": "1.4.3",
+    "enzyme-to-json": "^3.4.0",
+    "fork-ts-checker-webpack-plugin": "1.5.0",
     "html-webpack-plugin": "^3.1.0",
-    "jest": "^24.8.0",
+    "jest": "^24.9.0",
     "license-checker": "^25.0.1",
     "lodash": "^4.17.15",
     "mobx": "^4.3.1",
     "prettier": "^1.18.2",
     "prettier-eslint": "^9.0.0",
     "raf": "^3.4.1",
-    "react": "^16.8.6",
-    "react-dom": "^16.8.6",
-    "rimraf": "^2.6.3",
+    "react": "^16.10.1",
+    "react-dom": "^16.10.1",
+    "rimraf": "^3.0.0",
     "shelljs": "^0.8.3",
     "source-map-loader": "^0.2.4",
-    "style-loader": "^0.23.1",
-    "styled-components": "^4.3.2",
-    "ts-jest": "24.0.2",
-    "ts-loader": "6.0.4",
-    "ts-node": "^8.3.0",
-    "tslint": "^5.18.0",
-    "tslint-react": "^4.0.0",
-    "typescript": "^3.5.3",
+    "style-loader": "^1.0.0",
+    "styled-components": "^4.4.0",
+    "ts-jest": "24.1.0",
+    "ts-loader": "6.2.0",
+    "ts-node": "^8.4.1",
+    "tslint": "^5.20.0",
+    "tslint-react": "^4.1.0",
+    "typescript": "^3.6.3",
     "unfetch": "^4.1.0",
     "url-polyfill": "^1.1.7",
-    "webpack": "^4.38.0",
-    "webpack-cli": "^3.3.6",
-    "webpack-dev-server": "^3.7.2",
+    "webpack": "^4.41.0",
+    "webpack-cli": "^3.3.9",
+    "webpack-dev-server": "^3.8.1",
     "webpack-node-externals": "^1.6.0",
-    "workerize-loader": "^1.0.4",
+    "workerize-loader": "^1.1.0",
     "yaml-js": "^0.2.3"
   },
   "peerDependencies": {
@@ -135,24 +135,24 @@
   "dependencies": {
     "classnames": "^2.2.6",
     "decko": "^1.2.0",
-    "dompurify": "^1.0.11",
+    "dompurify": "^2.0.3",
     "eventemitter3": "^4.0.0",
     "json-pointer": "^0.6.0",
     "json-schema-ref-parser": "^6.1.0",
     "lunr": "2.3.6",
     "mark.js": "^8.11.1",
     "marked": "^0.7.0",
-    "memoize-one": "^5.0.5",
-    "mobx-react": "^6.1.1",
+    "memoize-one": "~5.0.5",
+    "mobx-react": "^6.1.3",
     "openapi-sampler": "1.0.0-beta.15",
     "perfect-scrollbar": "^1.4.0",
     "polished": "^3.4.1",
     "prismjs": "^1.17.1",
     "prop-types": "^15.7.2",
     "react-dropdown": "^1.6.4",
-    "react-hot-loader": "^4.12.10",
+    "react-hot-loader": "^4.12.14",
     "react-tabs": "^3.0.0",
-    "slugify": "^1.3.4",
+    "slugify": "^1.3.5",
     "stickyfill": "^1.1.1",
     "swagger2openapi": "^5.3.1",
     "tslib": "^1.10.0",

src/utils/__tests__/helpers.test.ts

@@ -60,7 +60,7 @@ describe('Utils', () => {
       test('should behave like Object.assign on the top level', () => {
         const obj1 = { a: { a1: 'A1' }, c: 'C' };
         const obj2 = { a: undefined, b: { b1: 'B1' } };
-        expect(mergeObjects({}, obj1, obj2)).toEqual(Object.assign({}, obj1, obj2));
+        expect(mergeObjects({}, obj1, obj2)).toEqual({ ...obj1, ...obj2 });
       });
       test('should not merge array values, just override', () => {
         const obj1 = { a: ['A', 'B'] };

src/utils/helpers.ts

@@ -83,7 +83,7 @@ export function appendToMdHeading(md: string, heading: string, content: string)
 }
 
 // credits https://stackoverflow.com/a/46973278/1749888
-export const mergeObjects = <T extends object = object>(target: T, ...sources: T[]): T => {
+export const mergeObjects = (target: any, ...sources: any[]): any => {
   if (!sources.length) {
     return target;
   }