Fix IE11 by pinning top-level core-js node module to 2.5.3 (elastic#3…

…2159)

* Fix IE11 by pinning top-level core-js node module to 2.5.3

* Re-force core-js in yarn.lock

package.json

@@ -131,6 +131,7 @@
     "color": "1.0.3",
     "commander": "2.8.1",
     "compare-versions": "3.1.0",
+    "core-js": "2.5.3",
     "css-loader": "1.0.0",
     "custom-event-polyfill": "^0.3.0",
     "d3": "3.5.6",

x-pack/package.json

@@ -156,6 +156,7 @@
     "concat-stream": "1.5.1",
     "constate": "^0.9.0",
     "copy-to-clipboard": "^3.0.8",
+    "core-js": "2.5.3",
     "cronstrue": "^1.51.0",
     "d3": "3.5.6",
     "d3-scale": "1.0.6",

yarn.lock

@@ -6174,16 +6174,16 @@ copy-webpack-plugin@^4.6.0:
     p-limit "^1.0.0"
     serialize-javascript "^1.4.0"
 
+core-js@2.5.3, core-js@^2.2.0, core-js@^2.4.0, core-js@^2.5.0:
+  version "2.5.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.3.tgz#8acc38345824f16d8365b7c9b4259168e8ed603e"
+  integrity sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4=
+
 core-js@^1.0.0:
   version "1.2.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-1.2.7.tgz#652294c14651db28fa93bd2d5ff2983a4f08c636"
   integrity sha1-ZSKUwUZR2yj6k70tX/KYOk8IxjY=
 
-core-js@^2.2.0, core-js@^2.4.0, core-js@^2.5.0:
-  version "2.5.3"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.3.tgz#8acc38345824f16d8365b7c9b4259168e8ed603e"
-  integrity sha1-isw4NFgk8W2DZbfJtCWRaOjtYD4=
-
 core-js@^2.5.1, core-js@^2.5.3, core-js@^2.5.7:
   version "2.5.7"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.5.7.tgz#f972608ff0cead68b841a16a932d0b183791814e"