diff --git a/package-lock.json b/package-lock.json
index b5e209f9..64c59911 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -985,6 +985,12 @@
         "test-exclude": "4.2.1"
       }
     },
+    "babel-plugin-jest-hoist": {
+      "version": "21.2.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-21.2.0.tgz",
+      "integrity": "sha512-yi5QuiVyyvhBUDLP4ButAnhYzkdrUwWDtvUJv71hjH3fclhnZg4HkDeqaitcR2dZZx/E67kGkRcPVjtVu+SJfQ==",
+      "dev": true
+    },
     "babel-plugin-syntax-async-functions": {
       "version": "6.13.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz",
@@ -1473,6 +1479,16 @@
         "babel-plugin-transform-regenerator": "6.26.0"
       }
     },
+    "babel-preset-jest": {
+      "version": "21.2.0",
+      "resolved": "https://registry.npmjs.org/babel-preset-jest/-/babel-preset-jest-21.2.0.tgz",
+      "integrity": "sha512-hm9cBnr2h3J7yXoTtAVV0zg+3vg0Q/gT2GYuzlreTU0EPkJRtlNgKJJ3tBKEn0+VjAi3JykV6xCJkuUYttEEfA==",
+      "dev": true,
+      "requires": {
+        "babel-plugin-jest-hoist": "21.2.0",
+        "babel-plugin-syntax-object-rest-spread": "6.13.0"
+      }
+    },
     "babel-preset-stage-0": {
       "version": "6.24.1",
       "resolved": "https://registry.npmjs.org/babel-preset-stage-0/-/babel-preset-stage-0-6.24.1.tgz",
@@ -3396,8 +3412,7 @@
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       "version": "1.29.0",
       "resolved": "https://registry.npmjs.org/date-fns/-/date-fns-1.29.0.tgz",
-      "integrity": "sha512-lbTXWZ6M20cWH8N9S6afb0SBm6tMk+uUg6z3MqHPKE9atmsY3kJkTm8vKe93izJ2B2+q5MV990sM2CHgtAZaOw==",
-      "dev": true
+      "integrity": "sha512-lbTXWZ6M20cWH8N9S6afb0SBm6tMk+uUg6z3MqHPKE9atmsY3kJkTm8vKe93izJ2B2+q5MV990sM2CHgtAZaOw=="
     },
     "dateformat": {
       "version": "3.0.3",
@@ -4646,53 +4661,6 @@
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       }
     },
-    "extract-text-webpack-plugin": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/extract-text-webpack-plugin/-/extract-text-webpack-plugin-3.0.2.tgz",
-      "integrity": "sha512-bt/LZ4m5Rqt/Crl2HiKuAl/oqg0psx1tsTLkvWbJen1CtD+fftkZhMaQ9HOtY2gWsl2Wq+sABmMVi9z3DhKWQQ==",
-      "dev": true,
-      "requires": {
-        "async": "2.6.1",
-        "loader-utils": "1.1.0",
-        "schema-utils": "0.3.0",
-        "webpack-sources": "1.1.0"
-      },
-      "dependencies": {
-        "loader-utils": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/loader-utils/-/loader-utils-1.1.0.tgz",
-          "integrity": "sha1-yYrvSIvM7aL/teLeZG1qdUQp9c0=",
-          "dev": true,
-          "requires": {
-            "big.js": "3.2.0",
-            "emojis-list": "2.1.0",
-            "json5": "0.5.1"
-          }
-        },
-        "source-list-map": {
-          "version": "2.0.0",
-          "resolved": "https://registry.npmjs.org/source-list-map/-/source-list-map-2.0.0.tgz",
-          "integrity": "sha512-I2UmuJSRr/T8jisiROLU3A3ltr+swpniSmNPI4Ml3ZCX6tVnDsuZzK7F2hl5jTqbZBWCEKlj5HRQiPExXLgE8A==",
-          "dev": true
-        },
-        "source-map": {
-          "version": "0.6.1",
-          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
-          "dev": true
-        },
-        "webpack-sources": {
-          "version": "1.1.0",
-          "resolved": "https://registry.npmjs.org/webpack-sources/-/webpack-sources-1.1.0.tgz",
-          "integrity": "sha512-aqYp18kPphgoO5c/+NaUvEeACtZjMESmDChuD3NBciVpah3XpMEU9VAAtIaB1BsfJWWTSdv8Vv1m3T0aRk2dUw==",
-          "dev": true,
-          "requires": {
-            "source-list-map": "2.0.0",
-            "source-map": "0.6.1"
-          }
-        }
-      }
-    },
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
@@ -7857,6 +7825,7 @@
       "dev": true,
       "requires": {
         "babel-core": "6.26.3",
+        "babel-jest": "21.2.0",
         "babel-plugin-istanbul": "4.1.5",
         "chalk": "2.3.2",
         "convert-source-map": "1.5.1",
@@ -7898,6 +7867,16 @@
           "integrity": "sha1-odl8yvy8JiXMcPrc6zalDFiwGlM=",
           "dev": true
         },
+        "babel-jest": {
+          "version": "21.2.0",
+          "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-21.2.0.tgz",
+          "integrity": "sha512-O0W2qLoWu1QOoOGgxiR2JID4O6WSpxPiQanrkyi9SSlM0PJ60Ptzlck47lhtnr9YZO3zYOsxHwnyeWJ6AffoBQ==",
+          "dev": true,
+          "requires": {
+            "babel-plugin-istanbul": "4.1.5",
+            "babel-preset-jest": "21.2.0"
+          }
+        },
         "braces": {
           "version": "1.8.5",
           "resolved": "https://registry.npmjs.org/braces/-/braces-1.8.5.tgz",
@@ -11725,29 +11704,6 @@
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       "dev": true
     },
-    "schema-utils": {
-      "version": "0.3.0",
-      "resolved": "https://registry.npmjs.org/schema-utils/-/schema-utils-0.3.0.tgz",
-      "integrity": "sha1-9YdyIs4+kx7a4DnxfrNxbnE3+M8=",
-      "dev": true,
-      "requires": {
-        "ajv": "5.5.2"
-      },
-      "dependencies": {
-        "ajv": {
-          "version": "5.5.2",
-          "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-          "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
-          "dev": true,
-          "requires": {
-            "co": "4.6.0",
-            "fast-deep-equal": "1.1.0",
-            "fast-json-stable-stringify": "2.0.0",
-            "json-schema-traverse": "0.3.1"
-          }
-        }
-      }
-    },
     "scoped-regex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/scoped-regex/-/scoped-regex-1.0.0.tgz",
diff --git a/package.json b/package.json
index 612fe8e8..c32b207e 100644
--- a/package.json
+++ b/package.json
@@ -107,4 +107,4 @@
     "messense <messense@icloud.com> (https://github.com/messense)"
   ],
   "license": "MIT"
-}
\ No newline at end of file
+}