diff --git a/package.json b/package.json
index 956a0a1..6679a67 100644
--- a/package.json
+++ b/package.json
@@ -27,9 +27,9 @@
     "theme-ui": "0.2.25"
   },
   "devDependencies": {
-    "@babel/cli": "7.5.5",
-    "@babel/core": "7.5.5",
-    "@babel/preset-env": "7.5.5",
+    "@babel/cli": "7.6.0",
+    "@babel/core": "7.6.0",
+    "@babel/preset-env": "7.6.0",
     "@babel/preset-react": "7.0.0",
     "electron": "6.0.0",
     "electron-builder": "21.2.0"
diff --git a/yarn.lock b/yarn.lock
index 3be4f5f..35178d5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7,7 +7,24 @@
   resolved "https://registry.yarnpkg.com/7zip-bin/-/7zip-bin-5.0.3.tgz#bc5b5532ecafd923a61f2fb097e3b108c0106a3f"
   integrity sha512-GLyWIFBbGvpKPGo55JyRZAo4lVbnBiD52cKlw/0Vt+wnmKvWJkpZvsjVoaIolyBXDeAQKSicRtqFNPem9w0WYA==
 
-"@babel/cli@7.5.5", "@babel/cli@^7.5.5":
+"@babel/cli@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.6.0.tgz#1470a04394eaf37862989ea4912adf440fa6ff8d"
+  integrity sha512-1CTDyGUjQqW3Mz4gfKZ04KGOckyyaNmKneAMlABPS+ZyuxWv3FrVEVz7Ag08kNIztVx8VaJ8YgvYLSNlMKAT5Q==
+  dependencies:
+    commander "^2.8.1"
+    convert-source-map "^1.1.0"
+    fs-readdir-recursive "^1.1.0"
+    glob "^7.0.0"
+    lodash "^4.17.13"
+    mkdirp "^0.5.1"
+    output-file-sync "^2.0.0"
+    slash "^2.0.0"
+    source-map "^0.5.0"
+  optionalDependencies:
+    chokidar "^2.1.8"
+
+"@babel/cli@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/cli/-/cli-7.5.5.tgz#bdb6d9169e93e241a08f5f7b0265195bf38ef5ec"
   integrity sha512-UHI+7pHv/tk9g6WXQKYz+kmXTI77YtuY3vqC59KIqcoWEjsJJSG6rAxKaLsgj3LDyadsPrCB929gVOKM6Hui0w==
@@ -31,7 +48,27 @@
   dependencies:
     "@babel/highlight" "^7.0.0"
 
-"@babel/core@7.5.5", "@babel/core@^7.2.2", "@babel/core@^7.4.4", "@babel/core@^7.5.5":
+"@babel/core@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.6.0.tgz#9b00f73554edd67bebc86df8303ef678be3d7b48"
+  integrity sha512-FuRhDRtsd6IptKpHXAa+4WPZYY2ZzgowkbLBecEDDSje1X/apG7jQM33or3NdOmjXBKWGOg4JmSiRfUfuTtHXw==
+  dependencies:
+    "@babel/code-frame" "^7.5.5"
+    "@babel/generator" "^7.6.0"
+    "@babel/helpers" "^7.6.0"
+    "@babel/parser" "^7.6.0"
+    "@babel/template" "^7.6.0"
+    "@babel/traverse" "^7.6.0"
+    "@babel/types" "^7.6.0"
+    convert-source-map "^1.1.0"
+    debug "^4.1.0"
+    json5 "^2.1.0"
+    lodash "^4.17.13"
+    resolve "^1.3.2"
+    semver "^5.4.1"
+    source-map "^0.5.0"
+
+"@babel/core@^7.2.2", "@babel/core@^7.4.4", "@babel/core@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.5.5.tgz#17b2686ef0d6bc58f963dddd68ab669755582c30"
   integrity sha512-i4qoSr2KTtce0DmkuuQBV4AuQgGPUcPXMr9L5MyYAtk06z068lQ10a4O009fe5OB/DfNV+h+qqT7ddNV8UnRjg==
@@ -62,6 +99,17 @@
     source-map "^0.5.0"
     trim-right "^1.0.1"
 
+"@babel/generator@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.6.0.tgz#e2c21efbfd3293ad819a2359b448f002bfdfda56"
+  integrity sha512-Ms8Mo7YBdMMn1BYuNtKuP/z0TgEIhbcyB8HVR6PPNYp4P61lMsABiS4A3VG1qznjXVCf3r+fVHhm4efTYVsySA==
+  dependencies:
+    "@babel/types" "^7.6.0"
+    jsesc "^2.5.1"
+    lodash "^4.17.13"
+    source-map "^0.5.0"
+    trim-right "^1.0.1"
+
 "@babel/helper-annotate-as-pure@^7.0.0":
   version "7.0.0"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.0.0.tgz#323d39dd0b50e10c7c06ca7d7638e6864d8c5c32"
@@ -246,6 +294,15 @@
     "@babel/traverse" "^7.5.5"
     "@babel/types" "^7.5.5"
 
+"@babel/helpers@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/helpers/-/helpers-7.6.0.tgz#21961d16c6a3c3ab597325c34c465c0887d31c6e"
+  integrity sha512-W9kao7OBleOjfXtFGgArGRX6eCP0UEcA2ZWEWNkJdRZnHhW4eEbeswbG3EwaRsnQUAEGWYgMq1HsIXuNNNy2eQ==
+  dependencies:
+    "@babel/template" "^7.6.0"
+    "@babel/traverse" "^7.6.0"
+    "@babel/types" "^7.6.0"
+
 "@babel/highlight@^7.0.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/highlight/-/highlight-7.5.0.tgz#56d11312bd9248fa619591d02472be6e8cb32540"
@@ -260,6 +317,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.5.5.tgz#02f077ac8817d3df4a832ef59de67565e71cca4b"
   integrity sha512-E5BN68cqR7dhKan1SfqgPGhQ178bkVKpXTPEXnFJBrEt8/DKRZlybmy+IgYLTeN7tp1R5Ccmbm2rBk17sHYU3g==
 
+"@babel/parser@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.6.0.tgz#3e05d0647432a8326cb28d0de03895ae5a57f39b"
+  integrity sha512-+o2q111WEx4srBs7L9eJmcwi655eD8sXniLqMB93TBK9GrNzGrxDWSjiqz2hLU0Ha8MTXFIP0yd9fNdP+m43ZQ==
+
 "@babel/plugin-proposal-async-generator-functions@^7.2.0":
   version "7.2.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.2.0.tgz#b289b306669dce4ad20b0252889a15768c9d417e"
@@ -391,6 +453,14 @@
     "@babel/helper-plugin-utils" "^7.0.0"
     lodash "^4.17.13"
 
+"@babel/plugin-transform-block-scoping@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-block-scoping/-/plugin-transform-block-scoping-7.6.0.tgz#c49e21228c4bbd4068a35667e6d951c75439b1dc"
+  integrity sha512-tIt4E23+kw6TgL/edACZwP1OUKrjOTyMrFMLoT5IOFrfMRabCgekjqFd5o6PaAMildBu46oFkekIdMuGkkPEpA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+    lodash "^4.17.13"
+
 "@babel/plugin-transform-classes@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-classes/-/plugin-transform-classes-7.5.5.tgz#d094299d9bd680a14a2a0edae38305ad60fb4de9"
@@ -419,6 +489,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.0.0"
 
+"@babel/plugin-transform-destructuring@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-destructuring/-/plugin-transform-destructuring-7.6.0.tgz#44bbe08b57f4480094d57d9ffbcd96d309075ba6"
+  integrity sha512-2bGIS5P1v4+sWTCnKNDZDxbGvEqi0ijeqM/YqHtVGrvG2y0ySgnEEhXErvE9dA0bnIzY9bIzdFK0jFA46ASIIQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.0.0"
+
 "@babel/plugin-transform-dotall-regex@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-dotall-regex/-/plugin-transform-dotall-regex-7.4.4.tgz#361a148bc951444312c69446d76ed1ea8e4450c3"
@@ -491,6 +568,16 @@
     "@babel/helper-simple-access" "^7.1.0"
     babel-plugin-dynamic-import-node "^2.3.0"
 
+"@babel/plugin-transform-modules-commonjs@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-commonjs/-/plugin-transform-modules-commonjs-7.6.0.tgz#39dfe957de4420445f1fcf88b68a2e4aa4515486"
+  integrity sha512-Ma93Ix95PNSEngqomy5LSBMAQvYKVe3dy+JlVJSHEXZR5ASL9lQBedMiCyVtmTLraIDVRE3ZjTZvmXXD2Ozw3g==
+  dependencies:
+    "@babel/helper-module-transforms" "^7.4.4"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/helper-simple-access" "^7.1.0"
+    babel-plugin-dynamic-import-node "^2.3.0"
+
 "@babel/plugin-transform-modules-systemjs@^7.5.0":
   version "7.5.0"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-modules-systemjs/-/plugin-transform-modules-systemjs-7.5.0.tgz#e75266a13ef94202db2a0620977756f51d52d249"
@@ -515,6 +602,13 @@
   dependencies:
     regexp-tree "^0.1.6"
 
+"@babel/plugin-transform-named-capturing-groups-regex@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-named-capturing-groups-regex/-/plugin-transform-named-capturing-groups-regex-7.6.0.tgz#1e6e663097813bb4f53d42df0750cf28ad3bb3f1"
+  integrity sha512-jem7uytlmrRl3iCAuQyw8BpB4c4LWvSpvIeXKpMb+7j84lkx4m4mYr5ErAcmN5KM7B6BqrAvRGjBIbbzqCczew==
+  dependencies:
+    regexp-tree "^0.1.13"
+
 "@babel/plugin-transform-new-target@^7.4.4":
   version "7.4.4"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-new-target/-/plugin-transform-new-target-7.4.4.tgz#18d120438b0cc9ee95a47f2c72bc9768fbed60a5"
@@ -638,7 +732,63 @@
     "@babel/helper-regex" "^7.4.4"
     regexpu-core "^4.5.4"
 
-"@babel/preset-env@7.5.5", "@babel/preset-env@^7.5.5":
+"@babel/preset-env@7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.6.0.tgz#aae4141c506100bb2bfaa4ac2a5c12b395619e50"
+  integrity sha512-1efzxFv/TcPsNXlRhMzRnkBFMeIqBBgzwmZwlFDw5Ubj0AGLeufxugirwZmkkX/ayi3owsSqoQ4fw8LkfK9SYg==
+  dependencies:
+    "@babel/helper-module-imports" "^7.0.0"
+    "@babel/helper-plugin-utils" "^7.0.0"
+    "@babel/plugin-proposal-async-generator-functions" "^7.2.0"
+    "@babel/plugin-proposal-dynamic-import" "^7.5.0"
+    "@babel/plugin-proposal-json-strings" "^7.2.0"
+    "@babel/plugin-proposal-object-rest-spread" "^7.5.5"
+    "@babel/plugin-proposal-optional-catch-binding" "^7.2.0"
+    "@babel/plugin-proposal-unicode-property-regex" "^7.4.4"
+    "@babel/plugin-syntax-async-generators" "^7.2.0"
+    "@babel/plugin-syntax-dynamic-import" "^7.2.0"
+    "@babel/plugin-syntax-json-strings" "^7.2.0"
+    "@babel/plugin-syntax-object-rest-spread" "^7.2.0"
+    "@babel/plugin-syntax-optional-catch-binding" "^7.2.0"
+    "@babel/plugin-transform-arrow-functions" "^7.2.0"
+    "@babel/plugin-transform-async-to-generator" "^7.5.0"
+    "@babel/plugin-transform-block-scoped-functions" "^7.2.0"
+    "@babel/plugin-transform-block-scoping" "^7.6.0"
+    "@babel/plugin-transform-classes" "^7.5.5"
+    "@babel/plugin-transform-computed-properties" "^7.2.0"
+    "@babel/plugin-transform-destructuring" "^7.6.0"
+    "@babel/plugin-transform-dotall-regex" "^7.4.4"
+    "@babel/plugin-transform-duplicate-keys" "^7.5.0"
+    "@babel/plugin-transform-exponentiation-operator" "^7.2.0"
+    "@babel/plugin-transform-for-of" "^7.4.4"
+    "@babel/plugin-transform-function-name" "^7.4.4"
+    "@babel/plugin-transform-literals" "^7.2.0"
+    "@babel/plugin-transform-member-expression-literals" "^7.2.0"
+    "@babel/plugin-transform-modules-amd" "^7.5.0"
+    "@babel/plugin-transform-modules-commonjs" "^7.6.0"
+    "@babel/plugin-transform-modules-systemjs" "^7.5.0"
+    "@babel/plugin-transform-modules-umd" "^7.2.0"
+    "@babel/plugin-transform-named-capturing-groups-regex" "^7.6.0"
+    "@babel/plugin-transform-new-target" "^7.4.4"
+    "@babel/plugin-transform-object-super" "^7.5.5"
+    "@babel/plugin-transform-parameters" "^7.4.4"
+    "@babel/plugin-transform-property-literals" "^7.2.0"
+    "@babel/plugin-transform-regenerator" "^7.4.5"
+    "@babel/plugin-transform-reserved-words" "^7.2.0"
+    "@babel/plugin-transform-shorthand-properties" "^7.2.0"
+    "@babel/plugin-transform-spread" "^7.2.0"
+    "@babel/plugin-transform-sticky-regex" "^7.2.0"
+    "@babel/plugin-transform-template-literals" "^7.4.4"
+    "@babel/plugin-transform-typeof-symbol" "^7.2.0"
+    "@babel/plugin-transform-unicode-regex" "^7.4.4"
+    "@babel/types" "^7.6.0"
+    browserslist "^4.6.0"
+    core-js-compat "^3.1.1"
+    invariant "^2.2.2"
+    js-levenshtein "^1.1.3"
+    semver "^5.5.0"
+
+"@babel/preset-env@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.5.5.tgz#bc470b53acaa48df4b8db24a570d6da1fef53c9a"
   integrity sha512-GMZQka/+INwsMz1A5UEql8tG015h5j/qjptpKY2gJ7giy8ohzU710YciJB5rcKsWGWHiW3RUnHib0E5/m3Tp3A==
@@ -721,6 +871,15 @@
     "@babel/parser" "^7.4.4"
     "@babel/types" "^7.4.4"
 
+"@babel/template@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.6.0.tgz#7f0159c7f5012230dad64cca42ec9bdb5c9536e6"
+  integrity sha512-5AEH2EXD8euCk446b7edmgFdub/qfH1SN6Nii3+fyXP807QRx9Q73A2N5hNwRRslC2H9sNzaFhsPubkS4L8oNQ==
+  dependencies:
+    "@babel/code-frame" "^7.0.0"
+    "@babel/parser" "^7.6.0"
+    "@babel/types" "^7.6.0"
+
 "@babel/traverse@^7.1.0", "@babel/traverse@^7.4.4", "@babel/traverse@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.5.5.tgz#f664f8f368ed32988cd648da9f72d5ca70f165bb"
@@ -736,6 +895,21 @@
     globals "^11.1.0"
     lodash "^4.17.13"
 
+"@babel/traverse@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/traverse/-/traverse-7.6.0.tgz#389391d510f79be7ce2ddd6717be66d3fed4b516"
+  integrity sha512-93t52SaOBgml/xY74lsmt7xOR4ufYvhb5c5qiM6lu4J/dWGMAfAh6eKw4PjLes6DI6nQgearoxnFJk60YchpvQ==
+  dependencies:
+    "@babel/code-frame" "^7.5.5"
+    "@babel/generator" "^7.6.0"
+    "@babel/helper-function-name" "^7.1.0"
+    "@babel/helper-split-export-declaration" "^7.4.4"
+    "@babel/parser" "^7.6.0"
+    "@babel/types" "^7.6.0"
+    debug "^4.1.0"
+    globals "^11.1.0"
+    lodash "^4.17.13"
+
 "@babel/types@^7.0.0", "@babel/types@^7.2.0", "@babel/types@^7.3.0", "@babel/types@^7.4.4", "@babel/types@^7.5.5":
   version "7.5.5"
   resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.5.5.tgz#97b9f728e182785909aa4ab56264f090a028d18a"
@@ -745,6 +919,15 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.6.0":
+  version "7.6.0"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.6.0.tgz#1b5eaad0736e963bd2c6cf7911a53c84a7b35c08"
+  integrity sha512-+wLIp3XW60cvkZP/pvKMM85qoJbx7Hn3tNUpkGBLsGaSEYRz8Ut389/UsSa+wSBwSchtsLJm5IsqlA5sXawqew==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.13"
+    to-fast-properties "^2.0.0"
+
 "@blocks/editor@0.0.28":
   version "0.0.28"
   resolved "https://registry.yarnpkg.com/@blocks/editor/-/editor-0.0.28.tgz#801ecced2e30e53c3971f0231e10a73f8270766b"
@@ -1725,6 +1908,25 @@ chokidar@^2.0.4:
   optionalDependencies:
     fsevents "^1.2.7"
 
+chokidar@^2.1.8:
+  version "2.1.8"
+  resolved "https://registry.yarnpkg.com/chokidar/-/chokidar-2.1.8.tgz#804b3a7b6a99358c3c5c61e71d8728f041cff917"
+  integrity sha512-ZmZUazfOzf0Nve7duiCKD23PFSCs4JPoYyccjUFF3aQkQadqBhfzhjkwBH2mNOG9cTBwhamM37EIsIkZw3nRgg==
+  dependencies:
+    anymatch "^2.0.0"
+    async-each "^1.0.1"
+    braces "^2.3.2"
+    glob-parent "^3.1.0"
+    inherits "^2.0.3"
+    is-binary-path "^1.0.0"
+    is-glob "^4.0.0"
+    normalize-path "^3.0.0"
+    path-is-absolute "^1.0.0"
+    readdirp "^2.2.1"
+    upath "^1.1.1"
+  optionalDependencies:
+    fsevents "^1.2.7"
+
 chownr@^1.1.1:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.2.tgz#a18f1e0b269c8a6a5d3c86eb298beb14c3dd7bf6"
@@ -4597,6 +4799,11 @@ regex-not@^1.0.0, regex-not@^1.0.2:
     extend-shallow "^3.0.2"
     safe-regex "^1.1.0"
 
+regexp-tree@^0.1.13:
+  version "0.1.13"
+  resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.13.tgz#5b19ab9377edc68bc3679256840bb29afc158d7f"
+  integrity sha512-hwdV/GQY5F8ReLZWO+W1SRoN5YfpOKY6852+tBFcma72DKBIcHjPRIlIvQN35bCOljuAfP2G2iB0FC/w236mUw==
+
 regexp-tree@^0.1.6:
   version "0.1.11"
   resolved "https://registry.yarnpkg.com/regexp-tree/-/regexp-tree-0.1.11.tgz#c9c7f00fcf722e0a56c7390983a7a63dd6c272f3"