Update jest preprocessor

.babelrc

@@ -9,6 +9,6 @@
     "@babel/plugin-proposal-class-properties",
     "@babel/plugin-transform-flow-strip-types",
     "@babel/plugin-transform-regenerator",
-    "@babel/plugin-transform-runtime"
+    "@babel/plugin-transform-runtime",
   ]
 }

jest/preprocessor.js

-/* eslint-disable global-require,import/no-extraneous-dependencies */
 /**
- * Copyright (c) 2015-present, Facebook, Inc.
+ * Copyright (c) Facebook, Inc. and its affiliates.
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
@@ -11,8 +10,9 @@
 
 /* eslint-env node */
 
+'use strict';
 
-const { transformSync: babelTransformSync } = require('@babel/core');
+const {transformSync: babelTransformSync} = require('@babel/core');
 /* $FlowFixMe(>=0.54.0 site=react_native_oss) This comment suppresses an error
  * found when Flow v0.54 was deployed. To see the error delete this comment and
  * run Flow. */
@@ -23,41 +23,41 @@ const babelRegisterOnly = require('metro-babel-register');
 const createCacheKeyFunction = require('fbjs-scripts/jest/createCacheKeyFunction');
 const generate = require('@babel/generator').default;
 
-const nodeFiles = RegExp(
+const nodeFiles = new RegExp(
   [
-    '/local-cli/',
-    '/metro(?:-[^/]*)?/', // metro, metro-core, metro-source-map, metro-etc
+    '/metro(?:-[^/]*)?/', // metro, metro-core, metro-source-map, metro-etc.
   ].join('|'),
 );
 const nodeOptions = babelRegisterOnly.config([nodeFiles]);
 
 babelRegisterOnly([]);
 
-/* $FlowFixMe(site=react_native_oss) */
-const transformer = require('metro/src/reactNativeTransformer');
-
+const transformer = require('metro-react-native-babel-transformer');
 module.exports = {
-  process(src /* : string */, file /* : string */) {
+  process(src /*: string */, file /*: string */) {
     if (nodeFiles.test(file)) {
       // node specific transforms only
-      return babelTransformSync(
-        src,
-        Object.assign(
-          { filename: file },
-          { sourceType: 'script', ...nodeOptions, ast: false },
-        ),
-      ).code;
+      return babelTransformSync(src, {
+        filename: file,
+        sourceType: 'script',
+        ...nodeOptions,
+        ast: false,
+      }).code;
     }
 
-    const { ast } = transformer.transform({
+    const {ast} = transformer.transform({
       filename: file,
-      localPath: file,
       options: {
         ast: true, // needed for open source (?) https://github.com/facebook/react-native/commit/f8d6b97140cffe8d18b2558f94570c8d1b410d5c#r28647044
         dev: true,
+        enableBabelRuntime: false,
+        experimentalImportSupport: false,
+        hot: false,
         inlineRequires: true,
+        minify: false,
         platform: '',
         projectRoot: '',
+        publicPath: '/assets',
         retainLines: true,
         sourceType: 'unambiguous', // b7 required. detects module vs script mode
       },
@@ -70,7 +70,7 @@ module.exports = {
         [
           require('@babel/plugin-proposal-class-properties'),
           // use `this.foo = bar` instead of `this.defineProperty('foo', ...)`
-          { loose: true },
+          {loose: true},
         ],
         [require('@babel/plugin-transform-computed-properties')],
         [require('@babel/plugin-transform-destructuring')],
@@ -84,7 +84,7 @@ module.exports = {
         [require('@babel/plugin-transform-unicode-regex')],
         [
           require('@babel/plugin-transform-modules-commonjs'),
-          { strict: false, allowTopLevelThis: true },
+          {strict: false, allowTopLevelThis: true},
         ],
         [require('@babel/plugin-transform-classes')],
         [require('@babel/plugin-transform-arrow-functions')],
@@ -92,11 +92,11 @@ module.exports = {
         [require('@babel/plugin-proposal-object-rest-spread')],
         [
           require('@babel/plugin-transform-template-literals'),
-          { loose: true }, // dont 'a'.concat('b'), just use 'a'+'b'
+          {loose: true}, // dont 'a'.concat('b'), just use 'a'+'b'
         ],
         [require('@babel/plugin-transform-exponentiation-operator')],
         [require('@babel/plugin-transform-object-assign')],
-        [require('@babel/plugin-transform-for-of'), { loose: true }],
+        [require('@babel/plugin-transform-for-of'), {loose: true}],
         [require('@babel/plugin-transform-react-display-name')],
         [require('@babel/plugin-transform-react-jsx-source')],
         // used to hoist jest mocks
@@ -121,7 +121,7 @@ module.exports = {
 
   getCacheKey: createCacheKeyFunction([
     __filename,
-    require.resolve('metro/src/reactNativeTransformer'),
+    require.resolve('metro-react-native-babel-transformer'),
     require.resolve('@babel/core/package.json'),
   ]),
 };

package.json

@@ -40,7 +40,7 @@
       "^.+\\.js$": "<rootDir>/jest/preprocessor.js"
     },
     "transformIgnorePatterns": [
-      "node_modules/(?!react-native|react-navigation)/"
+      "node_modules/(?!react-native|react-navigation/)"
     ],
     "moduleNameMapper": {
       "react-i18next": "<rootDir>/__mocks__/react-i18next-mock.js"
@@ -50,6 +50,7 @@
     "i18next": "^11.4.0",
     "i18next-react-native-language-detector": "^1.0.2",
     "metro-react-native-babel-preset": "^0.52.0",
+    "metro-react-native-babel-transformer": "^0.52.0",
     "moment": "^2.24.0",
     "prop-types": "^15.7.2",
     "react": "^16.8.2",

yarn.lock

@@ -1829,7 +1829,7 @@ babel-preset-es2015-node@^6.1.1:
     babel-plugin-transform-es2015-unicode-regex "6.x"
     semver "5.x"
 
-babel-preset-fbjs@^3.0.0, babel-preset-fbjs@^3.0.1:
+babel-preset-fbjs@^3.0.0, babel-preset-fbjs@^3.0.1, babel-preset-fbjs@^3.1.2:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/babel-preset-fbjs/-/babel-preset-fbjs-3.2.0.tgz#c0e6347d3e0379ed84b3c2434d3467567aa05297"
   integrity sha512-5Jo+JeWiVz2wHUUyAlvb/sSYnXNig9r+HqGAOSfh5Fzxp7SnAaR/tEGRJ1ZX7C77kfk82658w6R5Z+uPATTD9g==
@@ -5420,6 +5420,13 @@ metro-babel-register@^0.49.1:
     core-js "^2.2.2"
     escape-string-regexp "^1.0.5"
 
+metro-babel-transformer@0.52.0:
+  version "0.52.0"
+  resolved "https://registry.yarnpkg.com/metro-babel-transformer/-/metro-babel-transformer-0.52.0.tgz#9aec370b77d0246155869e7ab51880f70dfa859e"
+  integrity sha512-1dHTbDd73YM5MhA4CqdHOnPCRMc0fQh+jMx1aH/JTjUVfARj8d4qNAbdS2KZBTAHlwtUMChANXGpRMzEL31O0w==
+  dependencies:
+    "@babel/core" "^7.0.0"
+
 metro-babel7-plugin-react-transform@0.49.2:
   version "0.49.2"
   resolved "https://registry.yarnpkg.com/metro-babel7-plugin-react-transform/-/metro-babel7-plugin-react-transform-0.49.2.tgz#d4c43faa6f2b91cc1b244a36a5d708ae8d39dbb2"
@@ -5518,7 +5525,7 @@ metro-react-native-babel-preset@0.49.2:
     metro-babel7-plugin-react-transform "0.49.2"
     react-transform-hmr "^1.0.4"
 
-metro-react-native-babel-preset@^0.52.0:
+metro-react-native-babel-preset@0.52.0, metro-react-native-babel-preset@^0.52.0:
   version "0.52.0"
   resolved "https://registry.yarnpkg.com/metro-react-native-babel-preset/-/metro-react-native-babel-preset-0.52.0.tgz#2b261d97c13cd14a617ba0d6b03e00a0b2168722"
   integrity sha512-Z/bWNIexZ5k4JXUjTjhmjoOpF1Cil+eEm1PNh4TVDvO3wEE3eKajMuuJCFa/a992OSpk3wUlFwQkYl7VO6NQSg==
@@ -5560,6 +5567,16 @@ metro-react-native-babel-preset@^0.52.0:
     metro-babel7-plugin-react-transform "0.52.0"
     react-transform-hmr "^1.0.4"
 
+metro-react-native-babel-transformer@^0.52.0:
+  version "0.52.0"
+  resolved "https://registry.yarnpkg.com/metro-react-native-babel-transformer/-/metro-react-native-babel-transformer-0.52.0.tgz#627171c33a30953ef2cfd93ed3f5643569e46652"
+  integrity sha512-sePE4J6SfNUsIQApG2LbFEs1hLPLfYyRzbsTk709fXF7d300EGLDQSXdaD52o1kChIIeb+jLKEQ66XalDsy8QA==
+  dependencies:
+    "@babel/core" "^7.0.0"
+    babel-preset-fbjs "^3.1.2"
+    metro-babel-transformer "0.52.0"
+    metro-react-native-babel-preset "0.52.0"
+
 metro-resolver@0.49.2:
   version "0.49.2"
   resolved "https://registry.yarnpkg.com/metro-resolver/-/metro-resolver-0.49.2.tgz#b7580d7a24fdf96170a9d4099a66b29a18e6e5f8"