diff --git a/package-lock.json b/package-lock.json
index c5fc114..9d44926 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1234,6 +1234,11 @@
         "es-abstract": "^1.17.0-next.1"
       }
     },
+    "assertion-error": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/assertion-error/-/assertion-error-1.1.0.tgz",
+      "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw=="
+    },
     "ast-types-flow": {
       "version": "0.0.7",
       "resolved": "https://registry.npmjs.org/ast-types-flow/-/ast-types-flow-0.0.7.tgz",
@@ -1346,9 +1351,17 @@
       "dev": true
     },
     "chai": {
-      "version": "4.1.2",
-      "resolved": "https://registry.npmjs.org/chai/-/chai-4.1.2.tgz",
-      "integrity": "sha1-D2RYS6ZC8PKs4oBiefTwbKI61zw="
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/chai/-/chai-4.3.1.tgz",
+      "integrity": "sha512-JClPZFGRcSl7X8dYzlCJY7v+X1fBA+9Y339Y8EqhBVfp0QC1hTnaf7nMfR+XZ74clkBC64b0iEw2cWKHt3EVqA==",
+      "requires": {
+        "assertion-error": "^1.1.0",
+        "check-error": "^1.0.2",
+        "deep-eql": "^3.0.1",
+        "get-func-name": "^2.0.0",
+        "pathval": "^1.1.1",
+        "type-detect": "^4.0.5"
+      }
     },
     "chalk": {
       "version": "2.4.2",
@@ -1361,6 +1374,11 @@
         "supports-color": "^5.3.0"
       }
     },
+    "check-error": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/check-error/-/check-error-1.0.2.tgz",
+      "integrity": "sha1-V00xLt2Iu13YkS6Sht1sCu1KrII="
+    },
     "ci-info": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/ci-info/-/ci-info-2.0.0.tgz",
@@ -1562,6 +1580,14 @@
       "integrity": "sha1-JJXduvbrh0q7Dhvp3yLS5aVEMmw=",
       "dev": true
     },
+    "deep-eql": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
+      "integrity": "sha512-+QeIQyN5ZuO+3Uk5DYh6/1eKO0m0YmJFGNmFHGACpf1ClL1nmlV/p4gNgbl2pJGxgXb4faqo6UE+M5ACEMyVcw==",
+      "requires": {
+        "type-detect": "^4.0.0"
+      }
+    },
     "define-properties": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/define-properties/-/define-properties-1.1.3.tgz",
@@ -1940,6 +1966,11 @@
       "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
       "dev": true
     },
+    "get-func-name": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/get-func-name/-/get-func-name-2.0.0.tgz",
+      "integrity": "sha1-6td0q+5y4gQJQzoGY2YCPdaIekE="
+    },
     "get-own-enumerable-property-symbols": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/get-own-enumerable-property-symbols/-/get-own-enumerable-property-symbols-3.0.2.tgz",
@@ -2858,6 +2889,11 @@
         "pify": "^2.0.0"
       }
     },
+    "pathval": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/pathval/-/pathval-1.1.1.tgz",
+      "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ=="
+    },
     "picomatch": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/picomatch/-/picomatch-2.2.2.tgz",
@@ -3335,6 +3371,11 @@
         "tslib": "^1.8.1"
       }
     },
+    "type-detect": {
+      "version": "4.0.8",
+      "resolved": "https://registry.npmjs.org/type-detect/-/type-detect-4.0.8.tgz",
+      "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g=="
+    },
     "type-fest": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.11.0.tgz",
diff --git a/yarn.lock b/yarn.lock
index 0127ced..6dc31fc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1430,15 +1430,15 @@ caniuse-lite@^1.0.30001093:
   integrity sha512-fOjqRmHjRXv1H1YD6QVLb96iKqnu17TjcLSaX64TwhGYed0P1E1CCWZ9OujbbK4Z/7zax7zAzvQidzdtjx8RcA==
 
 chai@^4.1.2:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/chai/-/chai-4.2.0.tgz#760aa72cf20e3795e84b12877ce0e83737aa29e5"
-  integrity sha512-XQU3bhBukrOsQCuwZndwGcCVQHyZi53fQ6Ys1Fym7E4olpIqqZZhhoFJoaKVvV17lWQoXYwgWN2nF5crA8J2jw==
+  version "4.3.1"
+  resolved "https://registry.yarnpkg.com/chai/-/chai-4.3.1.tgz#6fc6af447610709818e5c45116207d60b8a49cfd"
+  integrity sha512-JClPZFGRcSl7X8dYzlCJY7v+X1fBA+9Y339Y8EqhBVfp0QC1hTnaf7nMfR+XZ74clkBC64b0iEw2cWKHt3EVqA==
   dependencies:
     assertion-error "^1.1.0"
     check-error "^1.0.2"
     deep-eql "^3.0.1"
     get-func-name "^2.0.0"
-    pathval "^1.1.0"
+    pathval "^1.1.1"
     type-detect "^4.0.5"
 
 chalk@^1.1.3:
@@ -3216,9 +3216,9 @@ minimist@0.0.8:
   integrity sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=
 
 minimist@^1.2.3:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.3.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-  integrity sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
 
 minipass@^2.2.1, minipass@^2.3.3:
   version "2.3.5"
@@ -3673,10 +3673,10 @@ path-type@^4.0.0:
   resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
   integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
 
-pathval@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.0.tgz#b942e6d4bde653005ef6b71361def8727d0645e0"
-  integrity sha1-uULm1L3mUwBe9rcTYd74cn0GReA=
+pathval@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/pathval/-/pathval-1.1.1.tgz#8534e77a77ce7ac5a2512ea21e0fdb8fcf6c3d8d"
+  integrity sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==
 
 picomatch@^2.0.5:
   version "2.2.2"