diff --git a/package.json b/package.json
index 59bafd34..e368cae7 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
     "marked": "https://github.com/observablehq/marked.git#94c6b946f462fd25db4465d71a6859183f86c57f"
   },
   "devDependencies": {
-    "eslint": "^5.10.0",
+    "eslint": "^6.0.0",
     "husky": "^2.3.0",
     "jsdom": "^15.1.0",
     "rollup": "^1.15.0",
diff --git a/yarn.lock b/yarn.lock
index eeee310c..c9772cf9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -60,16 +60,26 @@ acorn-walk@^6.0.1:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/acorn-walk/-/acorn-walk-6.1.1.tgz#d363b66f5fac5f018ff9c3a1e7b6f8e310cc3913"
 
-acorn@^6.0.1, acorn@^6.0.2:
+acorn@^6.0.1:
   version "6.0.4"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.0.4.tgz#77377e7353b72ec5104550aa2d2097a2fd40b754"
 
-acorn@^6.0.4, acorn@^6.1.1:
+acorn@^6.0.4, acorn@^6.0.7, acorn@^6.1.1:
   version "6.1.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.1.1.tgz#7d25ae05bb8ad1f9b699108e1094ecd7884adc1f"
   integrity sha512-jPTiwtOxaHNaAPg/dmrJ/beuzLRnXtB0kQPQ8JpotKJgTB6rX6c8mlf315941pyjBSaPg8NHXS9fhP4u17DpGA==
 
-ajv@^6.5.3, ajv@^6.5.5, ajv@^6.6.1:
+ajv@^6.10.0, ajv@^6.9.1:
+  version "6.10.0"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.10.0.tgz#90d0d54439da587cd7e843bfb7045f50bd22bdf1"
+  integrity sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==
+  dependencies:
+    fast-deep-equal "^2.0.1"
+    fast-json-stable-stringify "^2.0.0"
+    json-schema-traverse "^0.4.1"
+    uri-js "^4.2.2"
+
+ajv@^6.5.5:
   version "6.6.1"
   resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.6.1.tgz#6360f5ed0d80f232cc2b294c362d5dc2e538dd61"
   dependencies:
@@ -78,17 +88,19 @@ ajv@^6.5.3, ajv@^6.5.5, ajv@^6.6.1:
     json-schema-traverse "^0.4.1"
     uri-js "^4.2.2"
 
-ansi-escapes@^3.0.0:
-  version "3.1.0"
-  resolved "http://registry.npmjs.org/ansi-escapes/-/ansi-escapes-3.1.0.tgz#f73207bb81207d75fd6c83f125af26eea378ca30"
+ansi-escapes@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.2.0.tgz#8780b98ff9dbf5638152d1f1fe5c1d7b4442976b"
+  integrity sha512-cBhpre4ma+U0T1oM5fXg7Dy1Jw7zzwv7lt/GoCpr+hDQJoYnKVPLL4dCvSEFMmQurOQvSrwT7SL/DAlhBI97RQ==
 
 ansi-regex@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
 
-ansi-regex@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-4.0.0.tgz#70de791edf021404c3fd615aa89118ae0432e5a9"
+ansi-regex@^4.1.0:
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-4.1.0.tgz#8b9f8f08cf1acb843756a839ca8c7e3168c51997"
+  integrity sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==
 
 ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   version "3.2.1"
@@ -246,26 +258,21 @@ caller-callsite@^2.0.0:
   dependencies:
     callsites "^2.0.0"
 
-caller-path@^0.1.0:
-  version "0.1.0"
-  resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-0.1.0.tgz#94085ef63581ecd3daa92444a8fe94e82577751f"
-  dependencies:
-    callsites "^0.2.0"
-
 caller-path@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/caller-path/-/caller-path-2.0.0.tgz#468f83044e369ab2010fac5f06ceee15bb2cb1f4"
   dependencies:
     caller-callsite "^2.0.0"
 
-callsites@^0.2.0:
-  version "0.2.0"
-  resolved "http://registry.npmjs.org/callsites/-/callsites-0.2.0.tgz#afab96262910a7f33c19a5775825c69f34e350ca"
-
 callsites@^2.0.0:
   version "2.0.0"
   resolved "http://registry.npmjs.org/callsites/-/callsites-2.0.0.tgz#06eb84f00eea413da86affefacbffb36093b3c50"
 
+callsites@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/callsites/-/callsites-3.1.0.tgz#b3630abd8943432f54b3f0519238e33cd7df2f73"
+  integrity sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==
+
 caseless@~0.12.0:
   version "0.12.0"
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
@@ -278,6 +285,15 @@ chalk@^2.0.0, chalk@^2.1.0:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chalk@^2.4.2:
+  version "2.4.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-2.4.2.tgz#cd42541677a54333cf541a49108c1432b44c9424"
+  integrity sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==
+  dependencies:
+    ansi-styles "^3.2.1"
+    escape-string-regexp "^1.0.5"
+    supports-color "^5.3.0"
+
 chardet@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/chardet/-/chardet-0.7.0.tgz#90094849f0937f2eedc2425d0d28a9e5f0cbad9e"
@@ -287,10 +303,6 @@ ci-info@^2.0.0:
   resolved "https://registry.yarnpkg.com/ci-info/-/ci-info-2.0.0.tgz#67a9e964be31a51e15e5010d58e6f12834002f46"
   integrity sha512-5tK7EtrZ0N+OLFMthtqOj4fI2Jeb88C4CAZPu25LDVUgXJ0A3Js4PMGqrn0JU1W0Mh1/Z8wZzYPxqUrXeBboCQ==
 
-circular-json@^0.3.1:
-  version "0.3.3"
-  resolved "https://registry.yarnpkg.com/circular-json/-/circular-json-0.3.3.tgz#815c99ea84f6809529d2f45791bdf82711352d66"
-
 class-utils@^0.3.5:
   version "0.3.6"
   resolved "https://registry.yarnpkg.com/class-utils/-/class-utils-0.3.6.tgz#f93369ae8b9a7ce02fd41faad0ca83033190c463"
@@ -469,9 +481,10 @@ delayed-stream@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
 
-doctrine@^2.1.0:
-  version "2.1.0"
-  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-2.1.0.tgz#5cd01fc101621b42c4cd7f5d1a66243716d3f39d"
+doctrine@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/doctrine/-/doctrine-3.0.0.tgz#addebead72a6574db783639dc87a121773973961"
+  integrity sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==
   dependencies:
     esutils "^2.0.2"
 
@@ -488,6 +501,11 @@ ecc-jsbn@~0.1.1:
     jsbn "~0.1.0"
     safer-buffer "^2.1.0"
 
+emoji-regex@^7.0.1:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/emoji-regex/-/emoji-regex-7.0.3.tgz#933a04052860c85e83c122479c4748a8e4c72156"
+  integrity sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==
+
 end-of-stream@^1.1.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
@@ -533,9 +551,10 @@ escodegen@^1.11.0:
   optionalDependencies:
     source-map "~0.6.1"
 
-eslint-scope@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.0.tgz#50bf3071e9338bcdc43331794a0cb533f0136172"
+eslint-scope@^4.0.3:
+  version "4.0.3"
+  resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-4.0.3.tgz#ca03833310f6889a3264781aa82e63eb9cfe7848"
+  integrity sha512-p7VutNr1O/QrxysMo3E45FjYDTeXBy0iTltPFNSqKAIfjDSXC+4dj+qfyuD8bfAXrW/y6lW3O76VaYNPKfpKrg==
   dependencies:
     esrecurse "^4.1.0"
     estraverse "^4.1.1"
@@ -548,57 +567,58 @@ eslint-visitor-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
-eslint@^5.10.0:
-  version "5.10.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-5.10.0.tgz#24adcbe92bf5eb1fc2d2f2b1eebe0c5e0713903a"
+eslint@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-6.0.0.tgz#9223f19223de73b4ed730e11bff44a376b65844d"
+  integrity sha512-SrrIfcd4tOgsspOKTSwamuTOAMZOUigHQhVMrzNjz4/B9Za6SHQDIocMIyIDfwDgx6MhS15nS6HC8kumCV2qBQ==
   dependencies:
     "@babel/code-frame" "^7.0.0"
-    ajv "^6.5.3"
+    ajv "^6.10.0"
     chalk "^2.1.0"
     cross-spawn "^6.0.5"
     debug "^4.0.1"
-    doctrine "^2.1.0"
-    eslint-scope "^4.0.0"
+    doctrine "^3.0.0"
+    eslint-scope "^4.0.3"
     eslint-utils "^1.3.1"
     eslint-visitor-keys "^1.0.0"
-    espree "^5.0.0"
+    espree "^6.0.0"
     esquery "^1.0.1"
     esutils "^2.0.2"
-    file-entry-cache "^2.0.0"
+    file-entry-cache "^5.0.1"
     functional-red-black-tree "^1.0.1"
-    glob "^7.1.2"
+    glob-parent "^3.1.0"
     globals "^11.7.0"
     ignore "^4.0.6"
+    import-fresh "^3.0.0"
     imurmurhash "^0.1.4"
-    inquirer "^6.1.0"
-    js-yaml "^3.12.0"
+    inquirer "^6.2.2"
+    is-glob "^4.0.0"
+    js-yaml "^3.13.1"
     json-stable-stringify-without-jsonify "^1.0.1"
     levn "^0.3.0"
-    lodash "^4.17.5"
+    lodash "^4.17.11"
     minimatch "^3.0.4"
     mkdirp "^0.5.1"
     natural-compare "^1.4.0"
     optionator "^0.8.2"
-    path-is-inside "^1.0.2"
-    pluralize "^7.0.0"
     progress "^2.0.0"
     regexpp "^2.0.1"
-    require-uncached "^1.0.3"
     semver "^5.5.1"
     strip-ansi "^4.0.0"
     strip-json-comments "^2.0.1"
-    table "^5.0.2"
+    table "^5.2.3"
     text-table "^0.2.0"
 
 esm@^3.0.84:
   version "3.0.84"
   resolved "https://registry.yarnpkg.com/esm/-/esm-3.0.84.tgz#bb108989f4673b32d4f62406869c28eed3815a63"
 
-espree@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/espree/-/espree-5.0.0.tgz#fc7f984b62b36a0f543b13fb9cd7b9f4a7f5b65c"
+espree@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/espree/-/espree-6.0.0.tgz#716fc1f5a245ef5b9a7fdb1d7b0d3f02322e75f6"
+  integrity sha512-lJvCS6YbCn3ImT3yKkPe0+tJ+mH6ljhGNjHQH9mRtiO6gjhVAOhVXW1yjnwqGwTkK3bGbye+hb00nFNmu0l/1Q==
   dependencies:
-    acorn "^6.0.2"
+    acorn "^6.0.7"
     acorn-jsx "^5.0.0"
     eslint-visitor-keys "^1.0.0"
 
@@ -679,9 +699,10 @@ extend@~3.0.2:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/extend/-/extend-3.0.2.tgz#f8b1136b4071fbd8eb140aff858b1019ec2915fa"
 
-external-editor@^3.0.0:
+external-editor@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/external-editor/-/external-editor-3.0.3.tgz#5866db29a97826dbe4bf3afd24070ead9ea43a27"
+  integrity sha512-bn71H9+qWoOQKyZDo25mOMVpSmXROAsTJVVVYzrrtol3d4y+AsKjf4Iwl2Q+IuT0kFSQ1qo166UuIwqYq7mGnA==
   dependencies:
     chardet "^0.7.0"
     iconv-lite "^0.4.24"
@@ -727,12 +748,12 @@ figures@^2.0.0:
   dependencies:
     escape-string-regexp "^1.0.5"
 
-file-entry-cache@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-2.0.0.tgz#c392990c3e684783d838b8c84a45d8a048458361"
+file-entry-cache@^5.0.1:
+  version "5.0.1"
+  resolved "https://registry.yarnpkg.com/file-entry-cache/-/file-entry-cache-5.0.1.tgz#ca0f6efa6dd3d561333fb14515065c2fafdf439c"
+  integrity sha512-bCg29ictuBaKUwwArK4ouCaqDgLZcysCFLmM/Yn/FDoqndh/9vNuQfXRDvTuXKLxfD/JtZQGKFT8MGcJBK644g==
   dependencies:
-    flat-cache "^1.2.1"
-    object-assign "^4.0.1"
+    flat-cache "^2.0.1"
 
 fill-range@^4.0.0:
   version "4.0.0"
@@ -750,14 +771,19 @@ find-up@^3.0.0:
   dependencies:
     locate-path "^3.0.0"
 
-flat-cache@^1.2.1:
-  version "1.3.4"
-  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-1.3.4.tgz#2c2ef77525cc2929007dfffa1dd314aa9c9dee6f"
+flat-cache@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/flat-cache/-/flat-cache-2.0.1.tgz#5d296d6f04bda44a4630a301413bdbc2ec085ec0"
+  integrity sha512-LoQe6yDuUMDzQAEH8sgmh4Md6oZnc/7PjtwjNFSzveXqSHt6ka9fPBuso7IGf9Rz4uqnSnWiFH2B/zj24a5ReA==
   dependencies:
-    circular-json "^0.3.1"
-    graceful-fs "^4.1.2"
-    rimraf "~2.6.2"
-    write "^0.2.1"
+    flatted "^2.0.0"
+    rimraf "2.6.3"
+    write "1.0.3"
+
+flatted@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.0.tgz#55122b6536ea496b4b44893ee2608141d10d9916"
+  integrity sha512-R+H8IZclI8AAkSBRQJLVOsxwAoHd6WC40b4QTNWIjzAa6BXOBfQcM587MXDTVPeYaopFNWHUFLx7eNmHDSxMWg==
 
 for-each@~0.3.3:
   version "0.3.3"
@@ -823,7 +849,27 @@ getpass@^0.1.1:
   dependencies:
     assert-plus "^1.0.0"
 
-glob@^7.0.5, glob@^7.1.2, glob@~7.1.2:
+glob-parent@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-3.1.0.tgz#9e6af6299d8d3bd2bd40430832bd113df906c5ae"
+  integrity sha1-nmr2KZ2NO9K9QEMIMr0RPfkGxa4=
+  dependencies:
+    is-glob "^3.1.0"
+    path-dirname "^1.0.0"
+
+glob@^7.1.3:
+  version "7.1.4"
+  resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.4.tgz#aa608a2f6c577ad357e1ae5a5c26d9a8d1969255"
+  integrity sha512-hkLPepehmnKk41pUGm3sYxoFs/umurYfYJCerbXEyFIWcAzvpipAgVkBqqT9RBKMGjnq6kMuyYwha6csxbiM1A==
+  dependencies:
+    fs.realpath "^1.0.0"
+    inflight "^1.0.4"
+    inherits "2"
+    minimatch "^3.0.4"
+    once "^1.3.0"
+    path-is-absolute "^1.0.0"
+
+glob@~7.1.2:
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.3.tgz#3960832d3f1574108342dafd3a67b332c0969df1"
   dependencies:
@@ -838,10 +884,6 @@ globals@^11.7.0:
   version "11.9.0"
   resolved "https://registry.yarnpkg.com/globals/-/globals-11.9.0.tgz#bde236808e987f290768a93d065060d78e6ab249"
 
-graceful-fs@^4.1.2:
-  version "4.1.15"
-  resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.15.tgz#ffb703e1066e8a0eeaa4c8b80ba9253eeefbfb00"
-
 har-schema@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/har-schema/-/har-schema-2.0.0.tgz#a94c2224ebcac04782a0d9035521f24735b7ec92"
@@ -949,6 +991,14 @@ import-fresh@^2.0.0:
     caller-path "^2.0.0"
     resolve-from "^3.0.0"
 
+import-fresh@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-3.0.0.tgz#a3d897f420cab0e671236897f75bc14b4885c390"
+  integrity sha512-pOnA9tfM3Uwics+SaBLCNyZZZbK+4PTu0OPZtLlMIrv17EdBoC15S9Kn8ckJ9TZTyKb3ywNE5y1yeDxxGA7nTQ==
+  dependencies:
+    parent-module "^1.0.0"
+    resolve-from "^4.0.0"
+
 imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
@@ -964,22 +1014,23 @@ inherits@2, inherits@~2.0.3:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/inherits/-/inherits-2.0.3.tgz#633c2c83e3da42a502f52466022480f4208261de"
 
-inquirer@^6.1.0:
-  version "6.2.1"
-  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.2.1.tgz#9943fc4882161bdb0b0c9276769c75b32dbfcd52"
+inquirer@^6.2.2:
+  version "6.4.1"
+  resolved "https://registry.yarnpkg.com/inquirer/-/inquirer-6.4.1.tgz#7bd9e5ab0567cd23b41b0180b68e0cfa82fc3c0b"
+  integrity sha512-/Jw+qPZx4EDYsaT6uz7F4GJRNFMRdKNeUZw3ZnKV8lyuUgz/YWRCSUAJMZSVhSq4Ec0R2oYnyi6b3d4JXcL5Nw==
   dependencies:
-    ansi-escapes "^3.0.0"
-    chalk "^2.0.0"
+    ansi-escapes "^3.2.0"
+    chalk "^2.4.2"
     cli-cursor "^2.1.0"
     cli-width "^2.0.0"
-    external-editor "^3.0.0"
+    external-editor "^3.0.3"
     figures "^2.0.0"
-    lodash "^4.17.10"
+    lodash "^4.17.11"
     mute-stream "0.0.7"
     run-async "^2.2.0"
-    rxjs "^6.1.0"
+    rxjs "^6.4.0"
     string-width "^2.1.0"
-    strip-ansi "^5.0.0"
+    strip-ansi "^5.1.0"
     through "^2.3.6"
 
 is-accessor-descriptor@^0.1.6:
@@ -1068,10 +1119,29 @@ is-extendable@^1.0.1:
   dependencies:
     is-plain-object "^2.0.4"
 
+is-extglob@^2.1.0, is-extglob@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/is-extglob/-/is-extglob-2.1.1.tgz#a88c02535791f02ed37c76a1b9ea9773c833f8c2"
+  integrity sha1-qIwCU1eR8C7TfHahueqXc8gz+MI=
+
 is-fullwidth-code-point@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz#a3b30a5c4f199183167aaab93beefae3ddfb654f"
 
+is-glob@^3.1.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-3.1.0.tgz#7ba5ae24217804ac70707b96922567486cc3e84a"
+  integrity sha1-e6WuJCF4BKxwcHuWkiVnSGzD6Eo=
+  dependencies:
+    is-extglob "^2.1.0"
+
+is-glob@^4.0.0:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/is-glob/-/is-glob-4.0.1.tgz#7567dbe9f2f5e2467bc77ab83c4a29482407a5dc"
+  integrity sha512-5G0tKtBTFImOqDnLB2hG6Bp2qcKEFduo4tZu9MT/H6NQv/ghhy30o55ufafxJ/LdH79LLs2Kfrn85TLKyA7BUg==
+  dependencies:
+    is-extglob "^2.1.1"
+
 is-module@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/is-module/-/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
@@ -1156,13 +1226,6 @@ js-tokens@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/js-tokens/-/js-tokens-4.0.0.tgz#19203fb59991df98e3a287050d4647cdeaf32499"
 
-js-yaml@^3.12.0:
-  version "3.12.0"
-  resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.12.0.tgz#eaed656ec8344f10f527c6bfa1b6e2244de167d1"
-  dependencies:
-    argparse "^1.0.7"
-    esprima "^4.0.0"
-
 js-yaml@^3.13.1:
   version "3.13.1"
   resolved "https://registry.yarnpkg.com/js-yaml/-/js-yaml-3.13.1.tgz#aff151b30bfdfa8e49e05da22e7415e9dfa37847"
@@ -1278,7 +1341,7 @@ lodash.sortby@^4.7.0:
   version "4.7.0"
   resolved "https://registry.yarnpkg.com/lodash.sortby/-/lodash.sortby-4.7.0.tgz#edd14c824e2cc9c1e0b0a1b42bb5210516a42438"
 
-lodash@^4.13.1, lodash@^4.17.10, lodash@^4.17.11, lodash@^4.17.5:
+lodash@^4.13.1, lodash@^4.17.11:
   version "4.17.11"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
 
@@ -1428,10 +1491,6 @@ oauth-sign@~0.9.0:
   version "0.9.0"
   resolved "https://registry.yarnpkg.com/oauth-sign/-/oauth-sign-0.9.0.tgz#47a7b016baa68b5fa0ecf3dee08a85c679ac6455"
 
-object-assign@^4.0.1:
-  version "4.1.1"
-  resolved "https://registry.yarnpkg.com/object-assign/-/object-assign-4.1.1.tgz#2109adc7965887cfc05cbbd442cac8bfbb360863"
-
 object-copy@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/object-copy/-/object-copy-0.1.0.tgz#7e7d858b781bd7c991a41ba975ed3812754e998c"
@@ -1510,6 +1569,13 @@ p-try@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-2.0.0.tgz#85080bb87c64688fa47996fe8f7dfbe8211760b1"
 
+parent-module@^1.0.0:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/parent-module/-/parent-module-1.0.1.tgz#691d2709e78c79fae3a156622452d00762caaaa2"
+  integrity sha512-GQ2EWRpQV8/o+Aw8YqtfZZPfNRWZYkbidE9k5rpl/hC3vtHHBfGm2Ifi6qWV+coDGkrUKZAxE3Lot5kcsRlh+g==
+  dependencies:
+    callsites "^3.0.0"
+
 parse-json@^4.0.0:
   version "4.0.0"
   resolved "https://registry.yarnpkg.com/parse-json/-/parse-json-4.0.0.tgz#be35f5425be1f7f6c747184f98a788cb99477ee0"
@@ -1526,6 +1592,11 @@ pascalcase@^0.1.1:
   resolved "https://registry.yarnpkg.com/pascalcase/-/pascalcase-0.1.1.tgz#b363e55e8006ca6fe21784d2db22bd15d7917f14"
   integrity sha1-s2PlXoAGym/iF4TS2yK9FdeRfxQ=
 
+path-dirname@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/path-dirname/-/path-dirname-1.0.2.tgz#cc33d24d525e099a5388c0336c6e32b9160609e0"
+  integrity sha1-zDPSTVJeCZpTiMAzbG4yuRYGCeA=
+
 path-exists@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/path-exists/-/path-exists-3.0.0.tgz#ce0ebeaa5f78cb18925ea7d810d7b59b010fd515"
@@ -1534,10 +1605,6 @@ path-is-absolute@^1.0.0:
   version "1.0.1"
   resolved "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz#174b9268735534ffbc7ace6bf53a5a9e1b5c5f5f"
 
-path-is-inside@^1.0.2:
-  version "1.0.2"
-  resolved "https://registry.yarnpkg.com/path-is-inside/-/path-is-inside-1.0.2.tgz#365417dede44430d1c11af61027facf074bdfc53"
-
 path-key@^2.0.0, path-key@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/path-key/-/path-key-2.0.1.tgz#411cadb574c5a140d3a4b1910d40d80cc9f40b40"
@@ -1564,10 +1631,6 @@ please-upgrade-node@^3.1.1:
   dependencies:
     semver-compare "^1.0.0"
 
-pluralize@^7.0.0:
-  version "7.0.0"
-  resolved "https://registry.yarnpkg.com/pluralize/-/pluralize-7.0.0.tgz#298b89df8b93b0221dbf421ad2b1b1ea23fc6777"
-
 pn@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/pn/-/pn-1.1.0.tgz#e2f4cef0e219f463c179ab37463e4e1ecdccbafb"
@@ -1695,21 +1758,15 @@ request@^2.88.0:
     tunnel-agent "^0.6.0"
     uuid "^3.3.2"
 
-require-uncached@^1.0.3:
-  version "1.0.3"
-  resolved "http://registry.npmjs.org/require-uncached/-/require-uncached-1.0.3.tgz#4e0d56d6c9662fd31e43011c4b95aa49955421d3"
-  dependencies:
-    caller-path "^0.1.0"
-    resolve-from "^1.0.0"
-
-resolve-from@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-1.0.1.tgz#26cbfe935d1aeeeabb29bc3fe5aeb01e93d44226"
-
 resolve-from@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-3.0.0.tgz#b22c7af7d9d6881bc8b6e653335eebcb0a188748"
 
+resolve-from@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
+  integrity sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==
+
 resolve-url@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/resolve-url/-/resolve-url-0.2.1.tgz#2c637fe77c893afd2a663fe21aa9080068e2052a"
@@ -1746,11 +1803,12 @@ ret@~0.1.10:
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
   integrity sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==
 
-rimraf@~2.6.2:
-  version "2.6.2"
-  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+rimraf@2.6.3:
+  version "2.6.3"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.3.tgz#b2d104fe0d8fb27cf9e0a1cda8262dd3833c6cab"
+  integrity sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==
   dependencies:
-    glob "^7.0.5"
+    glob "^7.1.3"
 
 rollup-plugin-node-resolve@^5.0.0:
   version "5.0.0"
@@ -1800,9 +1858,10 @@ run-node@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/run-node/-/run-node-1.0.0.tgz#46b50b946a2aa2d4947ae1d886e9856fd9cabe5e"
 
-rxjs@^6.1.0:
-  version "6.3.3"
-  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.3.3.tgz#3c6a7fa420e844a81390fb1158a9ec614f4bad55"
+rxjs@^6.4.0:
+  version "6.5.2"
+  resolved "https://registry.yarnpkg.com/rxjs/-/rxjs-6.5.2.tgz#2e35ce815cd46d84d02a209fb4e5921e051dbec7"
+  integrity sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==
   dependencies:
     tslib "^1.9.0"
 
@@ -1880,9 +1939,10 @@ slash@^3.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
   integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
 
-slice-ansi@2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.0.0.tgz#5373bdb8559b45676e8541c66916cdd6251612e7"
+slice-ansi@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-2.1.0.tgz#cacd7693461a637a5788d92a7dd4fba068e81636"
+  integrity sha512-Qu+VC3EwYLldKa1fCxuuvULvSJOKEgk9pi8dZeCVK7TqBfUNTH4sFkk4joj8afVSfAYgJoSOetjx9QWOJ5mYoQ==
   dependencies:
     ansi-styles "^3.2.0"
     astral-regex "^1.0.0"
@@ -2010,13 +2070,22 @@ stealthy-require@^1.1.0:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/stealthy-require/-/stealthy-require-1.1.1.tgz#35b09875b4ff49f26a777e509b3090a3226bf24b"
 
-string-width@^2.1.0, string-width@^2.1.1:
+string-width@^2.1.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/string-width/-/string-width-2.1.1.tgz#ab93f27a8dc13d28cac815c462143a6d9012ae9e"
   dependencies:
     is-fullwidth-code-point "^2.0.0"
     strip-ansi "^4.0.0"
 
+string-width@^3.0.0:
+  version "3.1.0"
+  resolved "https://registry.yarnpkg.com/string-width/-/string-width-3.1.0.tgz#22767be21b62af1081574306f69ac51b62203961"
+  integrity sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==
+  dependencies:
+    emoji-regex "^7.0.1"
+    is-fullwidth-code-point "^2.0.0"
+    strip-ansi "^5.1.0"
+
 string.prototype.trim@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/string.prototype.trim/-/string.prototype.trim-1.1.2.tgz#d04de2c89e137f4d7d206f086b5ed2fae6be8cea"
@@ -2037,11 +2106,12 @@ strip-ansi@^4.0.0:
   dependencies:
     ansi-regex "^3.0.0"
 
-strip-ansi@^5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.0.0.tgz#f78f68b5d0866c20b2c9b8c61b5298508dc8756f"
+strip-ansi@^5.1.0:
+  version "5.2.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-5.2.0.tgz#8c9a536feb6afc962bdfa5b104a5091c1ad9c0ae"
+  integrity sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==
   dependencies:
-    ansi-regex "^4.0.0"
+    ansi-regex "^4.1.0"
 
 strip-eof@^1.0.0:
   version "1.0.0"
@@ -2068,14 +2138,15 @@ symbol-tree@^3.2.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"
 
-table@^5.0.2:
-  version "5.1.1"
-  resolved "https://registry.yarnpkg.com/table/-/table-5.1.1.tgz#92030192f1b7b51b6eeab23ed416862e47b70837"
+table@^5.2.3:
+  version "5.4.1"
+  resolved "https://registry.yarnpkg.com/table/-/table-5.4.1.tgz#0691ae2ebe8259858efb63e550b6d5f9300171e8"
+  integrity sha512-E6CK1/pZe2N75rGZQotFOdmzWQ1AILtgYbMAbAjvms0S1l5IDB47zG3nCnFGB/w+7nB3vKofbLXCH7HPBo864w==
   dependencies:
-    ajv "^6.6.1"
+    ajv "^6.9.1"
     lodash "^4.17.11"
-    slice-ansi "2.0.0"
-    string-width "^2.1.1"
+    slice-ansi "^2.1.0"
+    string-width "^3.0.0"
 
 tape-await@0.1.2:
   version "0.1.2"
@@ -2301,9 +2372,10 @@ wrappy@1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/wrappy/-/wrappy-1.0.2.tgz#b5243d8f3ec1aa35f1364605bc0d1036e30ab69f"
 
-write@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"
+write@1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/write/-/write-1.0.3.tgz#0800e14523b923a387e415123c865616aae0f5c3"
+  integrity sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==
   dependencies:
     mkdirp "^0.5.1"