Updated react-scripts babel-jest && jest packages to 18.0.0 (#1311)

packages/react-scripts/package.json

@@ -26,7 +26,7 @@
     "autoprefixer": "6.5.1",
     "babel-core": "6.17.0",
     "babel-eslint": "7.1.1",
-    "babel-jest": "17.0.2",
+    "babel-jest": "18.0.0",
     "babel-loader": "6.2.7",
     "babel-preset-react-app": "^2.0.1",
     "case-sensitive-paths-webpack-plugin": "1.1.4",
@@ -50,7 +50,7 @@
     "gzip-size": "3.0.0",
     "html-webpack-plugin": "2.24.0",
     "http-proxy-middleware": "0.17.2",
-    "jest": "17.0.2",
+    "jest": "18.0.0",
     "json-loader": "0.5.4",
     "object-assign": "4.1.0",
     "postcss-loader": "1.0.0",

packages/react-scripts/scripts/test.js

@@ -26,18 +26,6 @@ if (!process.env.CI && argv.indexOf('--coverage') < 0) {
   argv.push('--watch');
 }
 
-// A temporary hack to clear terminal correctly.
-// You can remove this after updating to Jest 18 when it's out.
-// https://github.com/facebook/jest/pull/2230
-var realWrite = process.stdout.write;
-var CLEAR = process.platform === 'win32' ? '\x1Bc' : '\x1B[2J\x1B[3J\x1B[H';
-process.stdout.write = function(chunk, encoding, callback) {
-  if (chunk === '\x1B[2J\x1B[H') {
-    chunk = CLEAR;
-  }
-  return realWrite.call(this, chunk, encoding, callback);
-};
-
 // @remove-on-eject-begin
 // This is not necessary after eject because we embed config into package.json.
 const createJestConfig = require('../utils/createJestConfig');

packages/react-scripts/utils/createJestConfig.js

@@ -24,7 +24,7 @@ module.exports = (resolve, rootDir, isEjecting) => {
     setupFiles: [resolve('config/polyfills.js')],
     setupTestFrameworkScriptFile: setupTestsFile,
     testPathIgnorePatterns: [
-      '<rootDir>[/\\\\](build|docs|node_modules)[/\\\\]'
+      '<rootDir>[/\\\\](build|docs|node_modules|scripts)[/\\\\]'
     ],
     testEnvironment: 'node',
     testURL: 'http://localhost',