typescript 3.8 (#1961)

* typescript 3.8

* target es2019, fix tests

package.json

@@ -37,7 +37,7 @@
     "postpublish": "git push --follow-tags origin HEAD"
   },
   "dependencies": {
-    "@material-ui/core": "^4.9.1",
+    "@material-ui/core": "^4.9.3",
     "@material-ui/icons": "^4.9.1",
     "classnames": "^2.2.6"
   },
@@ -47,17 +47,17 @@
     "@babel/plugin-transform-runtime": "^7.8.3",
     "@babel/preset-env": "^7.8.4",
     "@babel/runtime": "^7.8.4",
-    "@storybook/react": "^5.3.10",
+    "@storybook/react": "^5.3.13",
     "@testing-library/react": "^9.4.0",
     "@types/classnames": "^2.2.9",
-    "@types/enzyme": "^3.10.4",
-    "@types/enzyme-adapter-react-16": "^1.0.5",
+    "@types/enzyme": "^3.10.5",
+    "@types/enzyme-adapter-react-16": "^1.0.6",
     "@types/faker": "^4.1.9",
-    "@types/jest": "^25.1.1",
-    "@types/react": "^16.9.19",
+    "@types/jest": "^25.1.3",
+    "@types/react": "^16.9.21",
     "@types/react-dom": "^16.9.5",
     "@types/react-select": "^3.0.10",
-    "@types/react-virtualized": "^9.21.7",
+    "@types/react-virtualized": "^9.21.8",
     "@typescript-eslint/eslint-plugin": "^2.20.0",
     "@typescript-eslint/parser": "^2.20.0",
     "babel-loader": "^8.0.6",
@@ -74,8 +74,8 @@
     "faker": "^4.1.0",
     "immutability-helper": "^3.0.1",
     "jest": "^25.1.0",
-    "jest-environment-jsdom-sixteen": "^1.0.0",
-    "less": "^3.10.3",
+    "jest-environment-jsdom-sixteen": "^1.0.2",
+    "less": "^3.11.1",
     "less-loader": "^5.0.0",
     "mini-css-extract-plugin": "^0.9.0",
     "react": "^16.12.0",
@@ -85,9 +85,9 @@
     "react-select": "^3.0.8",
     "react-virtualized": "^9.21.2",
     "style-loader": "^1.1.3",
-    "ts-jest": "^25.1.0",
+    "ts-jest": "^25.2.1",
     "ts-loader": "^6.2.1",
-    "typescript": "~3.7.5"
+    "typescript": "~3.8.2"
   },
   "peerDependencies": {
     "react": "^16.8",

tsconfig.json

@@ -14,7 +14,7 @@
     "pretty": true,
     "sourceMap": true,
     "strict": true,
-    "target": "es2020",
+    "target": "es2019",
     "types": ["jest"]
   },
   "files": [