Upgrade dependencies and make TypeScript a peer dependency

Author: JackCuthbert

package.json

@@ -27,25 +27,26 @@
     "aws lambda"
   ],
   "devDependencies": {
-    "@types/fs-extra": "5.0.0",
-    "@types/jest": "22.0.1",
-    "@types/lodash": "4.14.91",
-    "jest": "22.0.4",
-    "mock-fs": "4.4.2",
-    "ts-jest": "22.0.1",
-    "tslint": "5.8.0"
+    "@types/fs-extra": "5.0.5",
+    "@types/jest": "24.0.11",
+    "@types/lodash": "4.14.123",
+    "jest": "24.5.0",
+    "mock-fs": "4.8.0",
+    "ts-jest": "24.0.1",
+    "tslint": "5.14.0",
+    "typescript": "^3.4.1"
   },
   "dependencies": {
-    "fs-extra": "^5.0.0",
-    "globby": "^7.0.0",
-    "lodash": "^4.17.4",
-    "typescript": "^2.2.2"
+    "fs-extra": "^7.0.1",
+    "globby": "^9.2.0",
+    "lodash": "^4.17.11"
+  },
+  "peerDependencies": {
+    "typescript": ">=2.2.2 || >=3.4.1"
   },
   "jest": {
-    "transform": {
-      ".(ts|tsx)": "<rootDir>/node_modules/ts-jest/preprocessor.js"
-    },
-    "testRegex": "(/__tests__/.*|\\.(test|spec))\\.(ts|tsx|js)$",
+    "preset": "ts-jest",
+    "testRegex": "(/__tests__/.*|\\.(test|spec))\\.ts$",
     "moduleFileExtensions": [
       "ts",
       "tsx",