add dependencies

package-lock.json

@@ -6496,6 +6496,15 @@
         "ctype": "0.5.3"
       }
     },
+    "http_ece": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/http_ece/-/http_ece-1.0.5.tgz",
+      "integrity": "sha1-tgZg+q8UIVEC0Uk+pyDc2StTNy8=",
+      "dev": true,
+      "requires": {
+        "urlsafe-base64": "1.0.0"
+      }
+    },
     "https-browserify": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/https-browserify/-/https-browserify-1.0.0.tgz",
@@ -19004,6 +19013,12 @@
         }
       }
     },
+    "urlsafe-base64": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/urlsafe-base64/-/urlsafe-base64-1.0.0.tgz",
+      "integrity": "sha1-I/iQaabGL0bPOh07ABac77kL4MY=",
+      "dev": true
+    },
     "use": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/use/-/use-2.0.2.tgz",
@@ -19295,6 +19310,12 @@
         "minimalistic-assert": "1.0.0"
       }
     },
+    "web-streams-polyfill": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/web-streams-polyfill/-/web-streams-polyfill-1.3.2.tgz",
+      "integrity": "sha1-NxkkXpCSgtk5Z4JfRLzVUOnAOZU=",
+      "dev": true
+    },
     "webidl-conversions": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",

package.json

@@ -82,6 +82,7 @@
     "git-rev-sync": "^1.10.0",
     "github-changes": "^1.1.2",
     "html-loader": "^0.5.5",
+    "http_ece": "^1.0.5",
     "husky": "^0.14.3",
     "lint-staged": "^7.0.0",
     "mocha": "^5.0.4",
@@ -109,6 +110,7 @@
     "svgo-loader": "^2.1.0",
     "testpilot-ga": "^0.3.0",
     "val-loader": "^1.1.0",
+    "web-streams-polyfill": "^1.3.2",
     "webpack": "^3.11.0",
     "webpack-dev-middleware": "^2.0.6",
     "webpack-dev-server": "2.9.1",