fix build

yarn.lock

@@ -485,10 +485,10 @@ cross-spawn@^6.0.5:
     shebang-command "^1.2.0"
     which "^1.2.9"
 
-custom-card-helpers@^1.3.5:
-  version "1.3.5"
-  resolved "https://registry.yarnpkg.com/custom-card-helpers/-/custom-card-helpers-1.3.5.tgz#6e55a813ce9e8b83ccdd34011501b8b094d36ab5"
-  integrity sha512-fEcqN6ESAHpfaYWGn+0EkzG9eH7DBqY66CCvp1OqdWwdZQ9jxOYRm16ZQjEnXaSvfUy9QYDfDmowQQ3SjofxDw==
+custom-card-helpers@^1.3.9:
+  version "1.3.9"
+  resolved "https://registry.yarnpkg.com/custom-card-helpers/-/custom-card-helpers-1.3.9.tgz#ec4794bd9aadebc93a0d87f79e1d19bdb9610e23"
+  integrity sha512-lpgkIHLWf6l6leSd9kA4oW9jW7mrXKwlW3jV/0ON04r8qqdhaOtSqaRqecBW+Jqk87bIb0WC4F9Xq2+HpNRwKw==
   dependencies:
     fecha "^3.0.3"
     home-assistant-js-websocket "^4.4.0"
@@ -589,6 +589,13 @@ eslint-config-airbnb-base@^14.0.0:
     object.assign "^4.1.0"
     object.entries "^1.1.0"
 
+eslint-config-prettier@^6.5.0:
+  version "6.5.0"
+  resolved "https://registry.yarnpkg.com/eslint-config-prettier/-/eslint-config-prettier-6.5.0.tgz#aaf9a495e2a816865e541bfdbb73a65cc162b3eb"
+  integrity sha512-cjXp8SbO9VFGW/Z7mbTydqS9to8Z58E5aYhj3e1+Hx7lS9s6gL5ILKNpCqZAFOVYRcSkWPFYljHrEh8QFEK5EQ==
+  dependencies:
+    get-stdin "^6.0.0"
+
 eslint-import-resolver-node@^0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/eslint-import-resolver-node/-/eslint-import-resolver-node-0.3.2.tgz#58f15fb839b8d0576ca980413476aab2472db66a"
@@ -622,6 +629,13 @@ eslint-plugin-import@^2.18.2:
     read-pkg-up "^2.0.0"
     resolve "^1.11.0"
 
+eslint-plugin-prettier@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-prettier/-/eslint-plugin-prettier-3.1.1.tgz#507b8562410d02a03f0ddc949c616f877852f2ba"
+  integrity sha512-A+TZuHZ0KU0cnn56/9mfR7/KjUJ9QNVXUhwvRFSR7PGPe0zQR6PTkmyqg1AtUUEOzTqeRsUwyKFh0oVZKVCrtA==
+  dependencies:
+    prettier-linter-helpers "^1.0.0"
+
 eslint-scope@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.0.0.tgz#e87c8887c73e8d1ec84f1ca591645c358bfc8fb9"
@@ -749,6 +763,11 @@ fast-deep-equal@^2.0.1:
   resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz#7b05218ddf9667bf7f370bf7fdb2cb15fdd0aa49"
   integrity sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=
 
+fast-diff@^1.1.2:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/fast-diff/-/fast-diff-1.2.0.tgz#73ee11982d86caaf7959828d519cfe927fac5f03"
+  integrity sha512-xJuoT5+L99XlZ8twedaRf6Ax2TgQVxvgZOYoPKqZufmJib0tL2tegPBOZb1pVNgIhlqDlA0eO0c3wBvQcmzx4w==
+
 fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -857,6 +876,11 @@ functional-red-black-tree@^1.0.1:
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
+get-stdin@^6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/get-stdin/-/get-stdin-6.0.0.tgz#9e09bf712b360ab9225e812048f71fde9c89657b"
+  integrity sha512-jp4tHawyV7+fkkSKyvjuLZswblUtz+SQKzSWnBbii16BuZksJlU1wuBYXY75r+duh/llF1ur6oNwi+2ZzjKZ7g==
+
 glob-parent@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.0.0.tgz#1dc99f0f39b006d3e92c2c284068382f0c20e954"
@@ -1157,7 +1181,7 @@ lit-element@^2.1.0, lit-element@^2.2.1:
   dependencies:
     lit-html "^1.0.0"
 
-lit-html@^1.0.0:
+lit-html@^1.0.0, lit-html@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/lit-html/-/lit-html-1.1.2.tgz#2e3560a7075210243649c888ad738eaf0daa8374"
   integrity sha512-FFlUMKHKi+qG1x1iHNZ1hrtc/zHmfYTyrSvs3/wBTvaNtpZjOZGWzU7efGYVpgp6KvWeKF6ql9/KsCq6Z/mEDA==
@@ -1455,6 +1479,13 @@ prelude-ls@~1.1.2:
   resolved "https://registry.yarnpkg.com/prelude-ls/-/prelude-ls-1.1.2.tgz#21932a549f5e52ffd9a827f570e04be62a97da54"
   integrity sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=
 
+prettier-linter-helpers@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/prettier-linter-helpers/-/prettier-linter-helpers-1.0.0.tgz#d23d41fe1375646de2d0104d3454a3008802cf7b"
+  integrity sha512-GbK2cP9nraSSUF9N2XwUwqfzlAFlMNYYl+ShE/V+H8a9uNl/oUqB1w2EL54Jh0OlyRSd8RfWYJ3coVS4TROP2w==
+  dependencies:
+    fast-diff "^1.1.2"
+
 prettier@^1.18.2:
   version "1.18.2"
   resolved "https://registry.yarnpkg.com/prettier/-/prettier-1.18.2.tgz#6823e7c5900017b4bd3acf46fe9ac4b4d7bda9ea"