chore: update to jest 24 (#53)

* chore: update to jest 24

* chore: update to danger v9

What could go wrong jumping up ~7 major versions in one commit?

Author: macklinu

.travis.yml

@@ -11,11 +11,10 @@ node_js:
 before_script:
   - npm prune
 script:
-  - yarn add jest
   - yarn run test -- --coverage --outputFile test-results.json --json
   - yarn run lint
   - yarn run build
-  - yarn run danger
+  - npx danger ci
   - rm -f test-results.json
 after_success:
   - npm run semantic-release

package.json

@@ -36,29 +36,22 @@
     "strip-ansi": "^4.0.0"
   },
   "devDependencies": {
-    "@types/jest": "^21.1.2",
+    "@types/jest": "^24.0.15",
     "@types/node": "^8.0.37",
-    "danger": "^2.0.0-alpha.19",
+    "danger": "^9.0.3",
     "eslint": "^6.0.1",
     "eslint-config-macklinu": "^2.0.1",
     "husky": "^0.14.3",
-    "jest": "^21.2.1",
+    "jest": "^24.8.0",
     "lint-staged": "^4.2.3",
     "prettier": "^1.18.2",
     "semantic-release": "^6.3.6",
-    "ts-jest": "^21.1.2",
+    "ts-jest": "^24.0.2",
     "typescript": "^3.5.3",
     "validate-commit-msg": "^2.12.1"
   },
   "jest": {
-    "testRegex": ".*\\.test\\.ts$",
-    "transform": {
-      ".(ts|tsx)": "<rootDir>/node_modules/ts-jest/preprocessor.js"
-    },
-    "moduleFileExtensions": [
-      "ts",
-      "js"
-    ]
+    "preset": "ts-jest"
   },
   "lint-staged": {
     "src/**/*.ts": [

src/__tests__/index.test.ts

@@ -21,7 +21,7 @@ beforeEach(() => {
         },
       },
       utils: {
-        fileLinks: a => a,
+        fileLinks: (a: any) => a,
       },
     },
   }