chore: upgrade to jest 24

Author: SimenB

package.json

@@ -60,8 +60,8 @@
     "google-closure-compiler": "20190301.0.0",
     "gzip-size": "^3.0.0",
     "jasmine-check": "^1.0.0-rc.0",
-    "jest": "^23.1.0",
-    "jest-diff": "^23.0.1",
+    "jest": "^24.8.0",
+    "jest-diff": "^24.8.0",
     "minimatch": "^3.0.4",
     "minimist": "^1.2.0",
     "mkdirp": "^0.5.1",

packages/jest-mock-scheduler/package.json

@@ -19,7 +19,7 @@
   },
   "homepage": "https://reactjs.org/",
   "peerDependencies": {
-    "jest": "^23.0.1",
+    "jest": "^23.0.1 || ^24.0.0",
     "scheduler": "^0.11.0"
   },
   "files": [

packages/jest-react/package.json

@@ -19,7 +19,7 @@
   },
   "homepage": "https://reactjs.org/",
   "peerDependencies": {
-    "jest": "^23.0.1",
+    "jest": "^23.0.1 || ^24.0.0",
     "react": "^16.0.0",
     "react-test-renderer": "^16.0.0"
   },

scripts/jest/config.base.js

@@ -12,12 +12,13 @@ module.exports = {
     '.*': require.resolve('./preprocessor.js'),
   },
   setupFiles: [require.resolve('./setupEnvironment.js')],
-  setupTestFrameworkScriptFile: require.resolve('./setupTests.js'),
+  setupFilesAfterEnv: [require.resolve('./setupTests.js')],
   // Only include files directly in __tests__, not in nested folders.
   testRegex: '/__tests__/[^/]*(\\.js|\\.coffee|[^d]\\.ts)$',
   moduleFileExtensions: ['js', 'json', 'node', 'coffee', 'ts'],
   rootDir: process.cwd(),
   roots: ['<rootDir>/packages', '<rootDir>/scripts'],
   collectCoverageFrom: ['packages/**/*.js'],
   timers: 'fake',
+  testURL: 'about:blank',
 };

scripts/jest/preprocessor.js

@@ -53,6 +53,9 @@ module.exports = {
     if (filePath.match(/\.ts$/) && !filePath.match(/\.d\.ts$/)) {
       return tsPreprocessor.compile(src, filePath);
     }
+    if (filePath.match(/\.json$/)) {
+      return src;
+    }
     if (!filePath.match(/\/third_party\//)) {
       // for test files, we also apply the async-await transform, but we want to
       // make sure we don't accidentally apply that transform to product code.