fix(regenerator): Use babel transform-runtime instead manual requiring

.babelrc

@@ -9,6 +9,11 @@
   "plugins": [
     "transform-object-rest-spread",
     "transform-class-properties",
-    "transform-flow-strip-types"
+    "transform-flow-strip-types",
+    ["transform-runtime", {
+      "helpers": false,
+      "polyfill": false,
+      "regenerator": true,
+    }]
   ]
 }

package.json

@@ -29,6 +29,7 @@
     "babel-plugin-transform-class-properties": "^6.24.1",
     "babel-plugin-transform-flow-strip-types": "^6.22.0",
     "babel-plugin-transform-object-rest-spread": "^6.22.0",
+    "babel-plugin-transform-runtime": "^6.23.0",
     "babel-preset-env": "^1.5.2",
     "cz-conventional-changelog": "^2.0.0",
     "eslint": "^4.0.0",
@@ -46,13 +47,13 @@
     "semantic-release": "^7.0.1"
   },
   "dependencies": {
+    "babel-runtime": "^6.26.0",
     "debug": "^3.0.0",
     "get-port": "^3.1.0",
     "glob": "^7.1.2",
     "lockfile": "^1.0.3",
     "mkdirp": "^0.5.1",
     "mongodb-download": "^2.2.3",
-    "regenerator-runtime": "^0.11.0",
     "tmp": "^0.0.33",
     "uuid": "^3.0.1"
   },

src/MongoMemoryServer.js

@@ -7,7 +7,6 @@ import getport from 'get-port';
 import Debug from 'debug';
 import MongoInstance from './util/MongoInstance';
 
-require('regenerator-runtime/runtime'); // eslint-disable-line
 tmp.setGracefulCleanup();
 
 export type MongoMemoryServerOptsT = {

src/util/MongoBinary.js

@@ -7,8 +7,6 @@ import path from 'path';
 import LockFile from 'lockfile';
 import mkdirp from 'mkdirp';
 
-require('regenerator-runtime/runtime'); // eslint-disable-line
-
 export type MongoBinaryCache = {
   [version: string]: string,
 };

src/util/MongoInstance.js

@@ -6,8 +6,6 @@ import path from 'path';
 import MongoBinary from './MongoBinary';
 import type { MongoBinaryOpts } from './MongoBinary';
 
-require('regenerator-runtime/runtime'); // eslint-disable-line
-
 export type MongodOps = {
   // instance options
   instance: {

yarn.lock

@@ -725,6 +725,12 @@ babel-plugin-transform-regenerator@^6.22.0:
   dependencies:
     regenerator-transform "0.9.11"
 
+babel-plugin-transform-runtime@^6.23.0:
+  version "6.23.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-runtime/-/babel-plugin-transform-runtime-6.23.0.tgz#88490d446502ea9b8e7efb0fe09ec4d99479b1ee"
+  dependencies:
+    babel-runtime "^6.22.0"
+
 babel-plugin-transform-strict-mode@^6.24.1:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-strict-mode/-/babel-plugin-transform-strict-mode-6.24.1.tgz#d5faf7aa578a65bbe591cf5edae04a0c67020758"
@@ -800,6 +806,13 @@ babel-runtime@^6.18.0, babel-runtime@^6.22.0:
     core-js "^2.4.0"
     regenerator-runtime "^0.10.0"
 
+babel-runtime@^6.26.0:
+  version "6.26.0"
+  resolved "https://registry.yarnpkg.com/babel-runtime/-/babel-runtime-6.26.0.tgz#965c7058668e82b55d7bfe04ff2337bc8b5647fe"
+  dependencies:
+    core-js "^2.4.0"
+    regenerator-runtime "^0.11.0"
+
 babel-template@^6.16.0, babel-template@^6.24.1, babel-template@^6.25.0:
   version "6.25.0"
   resolved "https://registry.yarnpkg.com/babel-template/-/babel-template-6.25.0.tgz#665241166b7c2aa4c619d71e192969552b10c071"