diff --git a/example/package-lock.json b/example/package-lock.json
index 33d02ad..a8f90da 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -287,6 +287,12 @@
         "@babel/types": "^7.4.0"
       }
     },
+    "@babel/helper-validator-identifier": {
+      "version": "7.14.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.14.0.tgz",
+      "integrity": "sha512-V3ts7zMSu5lfiwWDVWzRDGIN+lnCEUdaXgtVHJgLb1rGaA6jMrtB9EmE7L18foXJIE8Un/A/h6NJfGQp/e1J4A==",
+      "dev": true
+    },
     "@babel/helper-wrap-function": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/@babel/helper-wrap-function/-/helper-wrap-function-7.2.0.tgz",
@@ -1536,6 +1542,163 @@
       "integrity": "sha512-poPX9mZH/5CSanm50Q+1toVci6pv5KSRv/5TWCwtzQS5XEwn40BcCrgIeMFWP9CKKIniKXNxoIOnOq4VVlGXhg==",
       "dev": true
     },
+    "babel-eslint": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmjs.org/babel-eslint/-/babel-eslint-10.1.0.tgz",
+      "integrity": "sha512-ifWaTHQ0ce+448CYop8AdrQiBsGrnC+bMgfyKFdi6EsPLTAWG+QfyDeM6OH+FmWnKvEq5NnBMLvlBUPKQZoDSg==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "@babel/parser": "^7.7.0",
+        "@babel/traverse": "^7.7.0",
+        "@babel/types": "^7.7.0",
+        "eslint-visitor-keys": "^1.0.0",
+        "resolve": "^1.12.0"
+      },
+      "dependencies": {
+        "@babel/generator": {
+          "version": "7.14.1",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.14.1.tgz",
+          "integrity": "sha512-TMGhsXMXCP/O1WtQmZjpEYDhCYC9vFhayWZPJSZCGkPJgUqX0rF0wwtrYvnzVxIjcF80tkUertXVk5cwqi5cAQ==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.14.1",
+            "jsesc": "^2.5.1",
+            "source-map": "^0.5.0"
+          }
+        },
+        "@babel/helper-function-name": {
+          "version": "7.12.13",
+          "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.12.13.tgz",
+          "integrity": "sha512-TZvmPn0UOqmvi5G4vvw0qZTpVptGkB1GL61R6lKvrSdIxGm5Pky7Q3fpKiIkQCAtRCBUwB0PaThlx9vebCDSwA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-get-function-arity": "^7.12.13",
+            "@babel/template": "^7.12.13",
+            "@babel/types": "^7.12.13"
+          }
+        },
+        "@babel/helper-get-function-arity": {
+          "version": "7.12.13",
+          "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.12.13.tgz",
+          "integrity": "sha512-DjEVzQNz5LICkzN0REdpD5prGoidvbdYk1BVgRUOINaWJP2t6avB27X1guXK1kXNrX0WMfsrm1A/ZBthYuIMQg==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.12.13"
+          }
+        },
+        "@babel/helper-split-export-declaration": {
+          "version": "7.12.13",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.12.13.tgz",
+          "integrity": "sha512-tCJDltF83htUtXx5NLcaDqRmknv652ZWCHyoTETf1CXYJdPC7nohZohjUgieXhv0hTJdRf2FjDueFehdNucpzg==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.12.13"
+          }
+        },
+        "@babel/highlight": {
+          "version": "7.14.0",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.14.0.tgz",
+          "integrity": "sha512-YSCOwxvTYEIMSGaBQb5kDDsCopDdiUGsqpatp3fOlI4+2HQSkTmEVWnVuySdAC5EWCqSWWTv0ib63RjR7dTBdg==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.14.0",
+            "chalk": "^2.0.0",
+            "js-tokens": "^4.0.0"
+          }
+        },
+        "@babel/parser": {
+          "version": "7.14.1",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.14.1.tgz",
+          "integrity": "sha512-muUGEKu8E/ftMTPlNp+mc6zL3E9zKWmF5sDHZ5MSsoTP9Wyz64AhEf9kD08xYJ7w6Hdcu8H550ircnPyWSIF0Q==",
+          "dev": true
+        },
+        "@babel/template": {
+          "version": "7.12.13",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.12.13.tgz",
+          "integrity": "sha512-/7xxiGA57xMo/P2GVvdEumr8ONhFOhfgq2ihK3h1e6THqzTAkHbkXgB0xI9yeTfIUoH3+oAeHhqm/I43OTbbjA==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.12.13",
+            "@babel/parser": "^7.12.13",
+            "@babel/types": "^7.12.13"
+          },
+          "dependencies": {
+            "@babel/code-frame": {
+              "version": "7.12.13",
+              "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.13.tgz",
+              "integrity": "sha512-HV1Cm0Q3ZrpCR93tkWOYiuYIgLxZXZFVG2VgK+MBWjUqZTundupbfx2aXarXuw5Ko5aMcjtJgbSs4vUGBS5v6g==",
+              "dev": true,
+              "requires": {
+                "@babel/highlight": "^7.12.13"
+              }
+            }
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.14.0",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.14.0.tgz",
+          "integrity": "sha512-dZ/a371EE5XNhTHomvtuLTUyx6UEoJmYX+DT5zBCQN3McHemsuIaKKYqsc/fs26BEkHs/lBZy0J571LP5z9kQA==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.12.13",
+            "@babel/generator": "^7.14.0",
+            "@babel/helper-function-name": "^7.12.13",
+            "@babel/helper-split-export-declaration": "^7.12.13",
+            "@babel/parser": "^7.14.0",
+            "@babel/types": "^7.14.0",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0"
+          },
+          "dependencies": {
+            "@babel/code-frame": {
+              "version": "7.12.13",
+              "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.12.13.tgz",
+              "integrity": "sha512-HV1Cm0Q3ZrpCR93tkWOYiuYIgLxZXZFVG2VgK+MBWjUqZTundupbfx2aXarXuw5Ko5aMcjtJgbSs4vUGBS5v6g==",
+              "dev": true,
+              "requires": {
+                "@babel/highlight": "^7.12.13"
+              }
+            }
+          }
+        },
+        "@babel/types": {
+          "version": "7.14.1",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.14.1.tgz",
+          "integrity": "sha512-S13Qe85fzLs3gYRUnrpyeIrBJIMYv33qSTg1qoBwiG6nPKwUWAD9odSzWhEedpwOIzSEI6gbdQIWEMiCI42iBA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.14.0",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
+        "debug": {
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+          "dev": true,
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "resolve": {
+          "version": "1.20.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.20.0.tgz",
+          "integrity": "sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==",
+          "dev": true,
+          "requires": {
+            "is-core-module": "^2.2.0",
+            "path-parse": "^1.0.6"
+          }
+        }
+      }
+    },
     "babel-jest": {
       "version": "24.5.0",
       "resolved": "https://registry.npmjs.org/babel-jest/-/babel-jest-24.5.0.tgz",
@@ -2714,6 +2877,42 @@
         "object.entries": "^1.0.4"
       }
     },
+    "eslint-config-es6-base": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/eslint-config-es6-base/-/eslint-config-es6-base-1.0.3.tgz",
+      "integrity": "sha512-Lz3P4abEQQ732szP0L6GBky0/dynBWjqTAJv/+3xNOdYNGjWO7HvL/q9/Bs66FqnjeUAYavECaLAcSLJXhqgag==",
+      "dev": true,
+      "requires": {
+        "babel-eslint": "^10.0.1",
+        "eslint": "^5.13.0",
+        "eslint-config-airbnb": "^17.1.0",
+        "eslint-config-prettier": "^4.0.0",
+        "eslint-plugin-import": "^2.16.0",
+        "eslint-plugin-jest": "^22.2.2",
+        "eslint-plugin-jsx-a11y": "^6.2.0",
+        "eslint-plugin-prettier": "^3.0.1",
+        "eslint-plugin-react": "^7.12.4",
+        "prettier": "^1.16.4"
+      }
+    },
+    "eslint-config-ns": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/eslint-config-ns/-/eslint-config-ns-0.3.0.tgz",
+      "integrity": "sha512-+7x7Ss3uzH0fQmrD7wgXCCyBl9n/dWAxYzVRU3wB2Fl/Eg4P5Fowcpl7JGWLmlz1+JxoirpEAGQwimWaF4phmA==",
+      "dev": true,
+      "requires": {
+        "babel-eslint": "^10.0.1",
+        "eslint": "^5.13.0",
+        "eslint-config-airbnb": "^17.1.0",
+        "eslint-config-prettier": "^4.0.0",
+        "eslint-plugin-import": "^2.16.0",
+        "eslint-plugin-jest": "^22.2.2",
+        "eslint-plugin-jsx-a11y": "^6.2.0",
+        "eslint-plugin-prettier": "^3.0.1",
+        "eslint-plugin-react": "^7.12.4",
+        "prettier": "^1.16.4"
+      }
+    },
     "eslint-config-prettier": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/eslint-config-prettier/-/eslint-config-prettier-4.0.0.tgz",
@@ -4042,17 +4241,24 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.1.tgz",
-      "integrity": "sha512-3Zhi6C0euYZL5sM0Zcy7lInLXKQ+YLcF/olbN010mzGQ4XVm50JeyBnMqofHh696GrciGruC7kCcApPDJvVgwA==",
+      "version": "4.7.7",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.7.7.tgz",
+      "integrity": "sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==",
       "dev": true,
       "requires": {
+        "minimist": "^1.2.5",
         "neo-async": "^2.6.0",
-        "optimist": "^0.6.1",
         "source-map": "^0.6.1",
-        "uglify-js": "^3.1.4"
+        "uglify-js": "^3.1.4",
+        "wordwrap": "^1.0.0"
       },
       "dependencies": {
+        "minimist": {
+          "version": "1.2.5",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+          "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+          "dev": true
+        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -4430,6 +4636,15 @@
         "ci-info": "^2.0.0"
       }
     },
+    "is-core-module": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/is-core-module/-/is-core-module-2.3.0.tgz",
+      "integrity": "sha512-xSphU2KG9867tsYdLD4RWQ1VqdFl4HTO9Thf3I/3dLEfr0dbPTWKsuCKrgqMljg4nPE+Gq0VCnzT3gr0CyBmsw==",
+      "dev": true,
+      "requires": {
+        "has": "^1.0.3"
+      }
+    },
     "is-data-descriptor": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
@@ -6249,24 +6464,6 @@
         "mimic-fn": "^1.0.0"
       }
     },
-    "optimist": {
-      "version": "0.6.1",
-      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
-      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
-      "requires": {
-        "minimist": "~0.0.1",
-        "wordwrap": "~0.0.2"
-      },
-      "dependencies": {
-        "wordwrap": {
-          "version": "0.0.3",
-          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-          "dev": true
-        }
-      }
-    },
     "optionator": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
diff --git a/example/yarn.lock b/example/yarn.lock
index f0f3565..5801b48 100644
--- a/example/yarn.lock
+++ b/example/yarn.lock
@@ -855,7 +855,7 @@ async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
 
-async@^2.5.0, async@^2.6.1:
+async@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/async/-/async-2.6.1.tgz#b245a23ca71930044ec53fa46aa00a3e87c6a610"
   dependencies:
@@ -1223,10 +1223,6 @@ commander@^2.11.0, commander@^2.14.1, commander@^2.19.0, commander@^2.8.1, comma
   version "2.19.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.19.0.tgz#f6198aa84e5b83c46054b94ddedbfed5ee9ff12a"
 
-commander@~2.17.1:
-  version "2.17.1"
-  resolved "https://registry.yarnpkg.com/commander/-/commander-2.17.1.tgz#bd77ab7de6de94205ceacc72f1716d29f20a77bf"
-
 compare-versions@^3.2.1:
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/compare-versions/-/compare-versions-3.4.0.tgz#e0747df5c9cb7f054d6d3dc3e1dbc444f9e92b26"
@@ -2332,12 +2328,14 @@ growly@^1.3.0:
   resolved "https://registry.yarnpkg.com/growly/-/growly-1.3.0.tgz#f10748cbe76af964b7c96c93c6bcc28af120c081"
 
 handlebars@^4.0.11:
-  version "4.0.12"
-  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.0.12.tgz#2c15c8a96d46da5e266700518ba8cb8d919d5bc5"
+  version "4.7.7"
+  resolved "https://registry.yarnpkg.com/handlebars/-/handlebars-4.7.7.tgz#9ce33416aad02dbd6c8fafa8240d5d98004945a1"
+  integrity sha512-aAcXm5OAfE/8IXkcZvCepKU3VzW1/39Fb5ZuqMtgI/hT8X2YgoMvBY5dLhq/cpOvw7Lk1nK/UF71aLG/ZnVYRA==
   dependencies:
-    async "^2.5.0"
-    optimist "^0.6.1"
+    minimist "^1.2.5"
+    neo-async "^2.6.0"
     source-map "^0.6.1"
+    wordwrap "^1.0.0"
   optionalDependencies:
     uglify-js "^3.1.4"
 
@@ -3697,13 +3695,10 @@ minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
-minimist@^1.1.1, minimist@^1.2.0:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
-
-minimist@~0.0.1:
-  version "0.0.10"
-  resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+minimist@^1.1.1, minimist@^1.2.0, minimist@^1.2.5:
+  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@^2.3.4:
   version "2.3.5"
@@ -3789,6 +3784,11 @@ needle@^2.2.1:
     iconv-lite "^0.4.4"
     sax "^1.2.4"
 
+neo-async@^2.6.0:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/neo-async/-/neo-async-2.6.2.tgz#b4aafb93e3aeb2d8174ca53cf163ab7d7308305f"
+  integrity sha512-Yd3UES5mWCSqR+qNT93S3UoYUkqAZ9lLg8a7g9rimsWmYGK8cVToA4/sF3RrshdyV3sAGMXVUmpMYOw+dLpOuw==
+
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
@@ -4009,13 +4009,6 @@ onetime@^2.0.0:
   dependencies:
     mimic-fn "^1.0.0"
 
-optimist@^0.6.1:
-  version "0.6.1"
-  resolved "https://registry.yarnpkg.com/optimist/-/optimist-0.6.1.tgz#da3ea74686fa21a19a111c326e90eb15a0196686"
-  dependencies:
-    minimist "~0.0.1"
-    wordwrap "~0.0.2"
-
 optionator@^0.8.1, optionator@^0.8.2:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/optionator/-/optionator-0.8.2.tgz#364c5e409d3f4d6301d6c0b4c05bba50180aeb64"
@@ -4839,6 +4832,7 @@ source-map@^0.5.0, source-map@^0.5.6:
 source-map@^0.6.0, source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
+  integrity sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==
 
 spdx-correct@^3.0.0:
   version "3.1.0"
@@ -5178,11 +5172,9 @@ type-check@~0.3.2:
     prelude-ls "~1.1.2"
 
 uglify-js@^3.1.4:
-  version "3.4.9"
-  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.4.9.tgz#af02f180c1207d76432e473ed24a28f4a782bae3"
-  dependencies:
-    commander "~2.17.1"
-    source-map "~0.6.1"
+  version "3.13.5"
+  resolved "https://registry.yarnpkg.com/uglify-js/-/uglify-js-3.13.5.tgz#5d71d6dbba64cf441f32929b1efce7365bb4f113"
+  integrity sha512-xtB8yEqIkn7zmOyS2zUNBsYCBRhDkvlNxMMY2smuJ/qA8NCHeQvKCF3i9Z4k8FJH4+PJvZRtMrPynfZ75+CSZw==
 
 unicode-canonical-property-names-ecmascript@^1.0.4:
   version "1.0.4"
@@ -5332,11 +5324,7 @@ wide-align@^1.1.0:
   dependencies:
     string-width "^1.0.2 || 2"
 
-wordwrap@~0.0.2:
-  version "0.0.3"
-  resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-0.0.3.tgz#a3d5da6cd5c0bc0008d37234bbaf1bed63059107"
-
-wordwrap@~1.0.0:
+wordwrap@^1.0.0, wordwrap@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/wordwrap/-/wordwrap-1.0.0.tgz#27584810891456a4171c8d0226441ade90cbcaeb"