diff --git a/package.json b/package.json
index 98ec5b6..1206c3e 100644
--- a/package.json
+++ b/package.json
@@ -28,8 +28,8 @@
     "vue-property-decorator": "8.3.0"
   },
   "devDependencies": {
-    "@babel/core": "7.8.6",
-    "@babel/preset-env": "7.8.6",
+    "@babel/core": "7.8.7",
+    "@babel/preset-env": "7.8.7",
     "@babel/template": "7.8.6",
     "babel-jest": "24.9.0",
     "commitizen": "3.1.2",
diff --git a/yarn.lock b/yarn.lock
index 2a7989b..5907964 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -25,18 +25,18 @@
     invariant "^2.2.4"
     semver "^5.5.0"
 
-"@babel/core@7.8.6":
-  version "7.8.6"
-  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.8.6.tgz#27d7df9258a45c2e686b6f18b6c659e563aa4636"
-  integrity sha512-Sheg7yEJD51YHAvLEV/7Uvw95AeWqYPL3Vk3zGujJKIhJ+8oLw2ALaf3hbucILhKsgSoADOvtKRJuNVdcJkOrg==
+"@babel/core@7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.8.7.tgz#b69017d221ccdeb203145ae9da269d72cf102f3b"
+  integrity sha512-rBlqF3Yko9cynC5CCFy6+K/w2N+Sq/ff2BPy+Krp7rHlABIr5epbA7OxVeKoMHB39LZOp1UY5SuLjy6uWi35yA==
   dependencies:
     "@babel/code-frame" "^7.8.3"
-    "@babel/generator" "^7.8.6"
+    "@babel/generator" "^7.8.7"
     "@babel/helpers" "^7.8.4"
-    "@babel/parser" "^7.8.6"
+    "@babel/parser" "^7.8.7"
     "@babel/template" "^7.8.6"
     "@babel/traverse" "^7.8.6"
-    "@babel/types" "^7.8.6"
+    "@babel/types" "^7.8.7"
     convert-source-map "^1.7.0"
     debug "^4.1.0"
     gensync "^1.0.0-beta.1"
@@ -96,6 +96,16 @@
     lodash "^4.17.13"
     source-map "^0.5.0"
 
+"@babel/generator@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/generator/-/generator-7.8.7.tgz#870b3cf7984f5297998152af625c4f3e341400f7"
+  integrity sha512-DQwjiKJqH4C3qGiyQCAExJHoZssn49JTMJgZ8SANGgVFdkupcUhLOdkAeoC6kmHZCPfoDG5M0b6cFlSN5wW7Ew==
+  dependencies:
+    "@babel/types" "^7.8.7"
+    jsesc "^2.5.1"
+    lodash "^4.17.13"
+    source-map "^0.5.0"
+
 "@babel/helper-annotate-as-pure@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/helper-annotate-as-pure/-/helper-annotate-as-pure-7.8.3.tgz#60bc0bc657f63a0924ff9a4b4a0b24a13cf4deee"
@@ -111,22 +121,22 @@
     "@babel/helper-explode-assignable-expression" "^7.8.3"
     "@babel/types" "^7.8.3"
 
-"@babel/helper-call-delegate@^7.8.3":
-  version "7.8.3"
-  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.8.3.tgz#de82619898aa605d409c42be6ffb8d7204579692"
-  integrity sha512-6Q05px0Eb+N4/GTyKPPvnkig7Lylw+QzihMpws9iiZQv7ZImf84ZsZpQH7QoWN4n4tm81SnSzPgHw2qtO0Zf3A==
+"@babel/helper-call-delegate@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/helper-call-delegate/-/helper-call-delegate-7.8.7.tgz#28a279c2e6c622a6233da548127f980751324cab"
+  integrity sha512-doAA5LAKhsFCR0LAFIf+r2RSMmC+m8f/oQ+URnUET/rWeEzC0yTRmAGyWkD4sSu3xwbS7MYQ2u+xlt1V5R56KQ==
   dependencies:
     "@babel/helper-hoist-variables" "^7.8.3"
     "@babel/traverse" "^7.8.3"
-    "@babel/types" "^7.8.3"
+    "@babel/types" "^7.8.7"
 
-"@babel/helper-compilation-targets@^7.8.6":
-  version "7.8.6"
-  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.8.6.tgz#015b85db69e3a34240d5c2b761fc53eb9695f09c"
-  integrity sha512-UrJdk27hKVJSnibFcUWYLkCL0ZywTUoot8yii1lsHJcvwrypagmYKjHLMWivQPm4s6GdyygCL8fiH5EYLxhQwQ==
+"@babel/helper-compilation-targets@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.8.7.tgz#dac1eea159c0e4bd46e309b5a1b04a66b53c1dde"
+  integrity sha512-4mWm8DCK2LugIS+p1yArqvG1Pf162upsIsjE7cNBjez+NjliQpVhj20obE520nao0o14DaTnFJv+Fw5a0JpoUw==
   dependencies:
     "@babel/compat-data" "^7.8.6"
-    browserslist "^4.8.5"
+    browserslist "^4.9.1"
     invariant "^2.2.4"
     levenary "^1.1.1"
     semver "^5.5.0"
@@ -369,6 +379,11 @@
   resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.6.tgz#ba5c9910cddb77685a008e3c587af8d27b67962c"
   integrity sha512-trGNYSfwq5s0SgM1BMEB8hX3NDmO7EP2wsDGDexiaKMB92BaRpS+qZfpkMqUBhcsOTBwNy9B/jieo4ad/t/z2g==
 
+"@babel/parser@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/parser/-/parser-7.8.7.tgz#7b8facf95d25fef9534aad51c4ffecde1a61e26a"
+  integrity sha512-9JWls8WilDXFGxs0phaXAZgpxTZhSk/yOYH2hTHC0X1yC7Z78IJfvR1vJ+rmJKq3I35td2XzXzN6ZLYlna+r/A==
+
 "@babel/plugin-proposal-async-generator-functions@^7.8.3":
   version "7.8.3"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-async-generator-functions/-/plugin-proposal-async-generator-functions-7.8.3.tgz#bad329c670b382589721b27540c7d288601c6e6f"
@@ -667,12 +682,12 @@
     "@babel/helper-plugin-utils" "^7.8.3"
     "@babel/helper-replace-supers" "^7.8.3"
 
-"@babel/plugin-transform-parameters@^7.8.4":
-  version "7.8.4"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.8.4.tgz#1d5155de0b65db0ccf9971165745d3bb990d77d3"
-  integrity sha512-IsS3oTxeTsZlE5KqzTbcC2sV0P9pXdec53SU+Yxv7o/6dvGM5AkTotQKhoSffhNgZ/dftsSiOoxy7evCYJXzVA==
+"@babel/plugin-transform-parameters@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-parameters/-/plugin-transform-parameters-7.8.7.tgz#66fa2f1de4129b4e0447509223ac71bda4955395"
+  integrity sha512-brYWaEPTRimOctz2NDA3jnBbDi7SVN2T4wYuu0aqSzxC3nozFZngGaw29CJ9ZPweB7k+iFmZuoG3IVPIcXmD2g==
   dependencies:
-    "@babel/helper-call-delegate" "^7.8.3"
+    "@babel/helper-call-delegate" "^7.8.7"
     "@babel/helper-get-function-arity" "^7.8.3"
     "@babel/helper-plugin-utils" "^7.8.3"
 
@@ -683,12 +698,12 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.8.3"
 
-"@babel/plugin-transform-regenerator@^7.8.3":
-  version "7.8.3"
-  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.8.3.tgz#b31031e8059c07495bf23614c97f3d9698bc6ec8"
-  integrity sha512-qt/kcur/FxrQrzFR432FGZznkVAjiyFtCOANjkAKwCbt465L6ZCiUQh2oMYGU3Wo8LRFJxNDFwWn106S5wVUNA==
+"@babel/plugin-transform-regenerator@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-regenerator/-/plugin-transform-regenerator-7.8.7.tgz#5e46a0dca2bee1ad8285eb0527e6abc9c37672f8"
+  integrity sha512-TIg+gAl4Z0a3WmD3mbYSk+J9ZUH6n/Yc57rtKRnlA/7rcCvpekHXe0CMZHP1gYp7/KLe9GHTuIba0vXmls6drA==
   dependencies:
-    regenerator-transform "^0.14.0"
+    regenerator-transform "^0.14.2"
 
 "@babel/plugin-transform-reserved-words@^7.8.3":
   version "7.8.3"
@@ -742,13 +757,13 @@
     "@babel/helper-create-regexp-features-plugin" "^7.8.3"
     "@babel/helper-plugin-utils" "^7.8.3"
 
-"@babel/preset-env@7.8.6":
-  version "7.8.6"
-  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.8.6.tgz#2a0773b08589ecba4995fc71b1965e4f531af40b"
-  integrity sha512-M5u8llV9DIVXBFB/ArIpqJuvXpO+ymxcJ6e8ZAmzeK3sQeBNOD1y+rHvHCGG4TlEmsNpIrdecsHGHT8ZCoOSJg==
+"@babel/preset-env@7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.8.7.tgz#1fc7d89c7f75d2d70c2b6768de6c2e049b3cb9db"
+  integrity sha512-BYftCVOdAYJk5ASsznKAUl53EMhfBbr8CJ1X+AJLfGPscQkwJFiaV/Wn9DPH/7fzm2v6iRYJKYHSqyynTGw0nw==
   dependencies:
     "@babel/compat-data" "^7.8.6"
-    "@babel/helper-compilation-targets" "^7.8.6"
+    "@babel/helper-compilation-targets" "^7.8.7"
     "@babel/helper-module-imports" "^7.8.3"
     "@babel/helper-plugin-utils" "^7.8.3"
     "@babel/plugin-proposal-async-generator-functions" "^7.8.3"
@@ -788,9 +803,9 @@
     "@babel/plugin-transform-named-capturing-groups-regex" "^7.8.3"
     "@babel/plugin-transform-new-target" "^7.8.3"
     "@babel/plugin-transform-object-super" "^7.8.3"
-    "@babel/plugin-transform-parameters" "^7.8.4"
+    "@babel/plugin-transform-parameters" "^7.8.7"
     "@babel/plugin-transform-property-literals" "^7.8.3"
-    "@babel/plugin-transform-regenerator" "^7.8.3"
+    "@babel/plugin-transform-regenerator" "^7.8.7"
     "@babel/plugin-transform-reserved-words" "^7.8.3"
     "@babel/plugin-transform-shorthand-properties" "^7.8.3"
     "@babel/plugin-transform-spread" "^7.8.3"
@@ -798,7 +813,7 @@
     "@babel/plugin-transform-template-literals" "^7.8.3"
     "@babel/plugin-transform-typeof-symbol" "^7.8.4"
     "@babel/plugin-transform-unicode-regex" "^7.8.3"
-    "@babel/types" "^7.8.6"
+    "@babel/types" "^7.8.7"
     browserslist "^4.8.5"
     core-js-compat "^3.6.2"
     invariant "^2.2.2"
@@ -812,6 +827,13 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
+"@babel/runtime@^7.8.4":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.8.7.tgz#8fefce9802db54881ba59f90bb28719b4996324d"
+  integrity sha512-+AATMUFppJDw6aiR5NVPHqIQBlV/Pj8wY/EZH+lmvRdUo9xBaz/rF3alAwFJQavvKfeOlPE7oaaDHVbcySbCsg==
+  dependencies:
+    regenerator-runtime "^0.13.4"
+
 "@babel/template@7.8.6", "@babel/template@^7.8.6":
   version "7.8.6"
   resolved "https://registry.yarnpkg.com/@babel/template/-/template-7.8.6.tgz#86b22af15f828dfb086474f964dcc3e39c43ce2b"
@@ -911,6 +933,15 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.8.7":
+  version "7.8.7"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.8.7.tgz#1fc9729e1acbb2337d5b6977a63979b4819f5d1d"
+  integrity sha512-k2TreEHxFA4CjGkL+GYjRyx35W0Mr7DP5+9q6WMkyKXB+904bYmG40syjMFV0oLlhhFCwWl0vA0DyzTDkwAiJw==
+  dependencies:
+    esutils "^2.0.2"
+    lodash "^4.17.13"
+    to-fast-properties "^2.0.0"
+
 "@cnakazawa/watch@^1.0.3":
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/@cnakazawa/watch/-/watch-1.0.3.tgz#099139eaec7ebf07a27c1786a3ff64f39464d2ef"
@@ -1601,6 +1632,15 @@ browserslist@^4.8.5:
     electron-to-chromium "^1.3.341"
     node-releases "^1.1.47"
 
+browserslist@^4.9.1:
+  version "4.9.1"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.9.1.tgz#01ffb9ca31a1aef7678128fc6a2253316aa7287c"
+  integrity sha512-Q0DnKq20End3raFulq6Vfp1ecB9fh8yUNV55s8sekaDDeqBaCtWlRHCUdaWyUeSSBJM7IbM6HcsyaeYqgeDhnw==
+  dependencies:
+    caniuse-lite "^1.0.30001030"
+    electron-to-chromium "^1.3.363"
+    node-releases "^1.1.50"
+
 bser@^2.0.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.1.0.tgz#65fc784bf7f87c009b973c12db6546902fa9c7b5"
@@ -1704,6 +1744,11 @@ caniuse-lite@^1.0.30001023:
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001023.tgz#b82155827f3f5009077bdd2df3d8968bcbcc6fc4"
   integrity sha512-C5TDMiYG11EOhVOA62W1p3UsJ2z4DsHtMBQtjzp3ZsUglcQn62WOUgW0y795c7A5uZ+GCEIvzkMatLIlAsbNTA==
 
+caniuse-lite@^1.0.30001030:
+  version "1.0.30001031"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001031.tgz#76f1bdd39e19567b855302f65102d9a8aaad5930"
+  integrity sha512-DpAP5a1NGRLgYfaNCaXIRyGARi+3tJA2quZXNNA1Du26VyVkqvy2tznNu5ANyN1Y5aX44QDotZSVSUSi2uMGjg==
+
 capture-exit@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/capture-exit/-/capture-exit-2.0.0.tgz#fb953bfaebeb781f62898239dabb426d08a509a4"
@@ -2467,6 +2512,11 @@ electron-to-chromium@^1.3.341:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.344.tgz#f1397a633c35e726730c24be1084cd25c3ee8148"
   integrity sha512-tvbx2Wl8WBR+ym3u492D0L6/jH+8NoQXqe46+QhbWH3voVPauGuZYeb1QAXYoOAWuiP2dbSvlBx0kQ1F3hu/Mw==
 
+electron-to-chromium@^1.3.363:
+  version "1.3.368"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.368.tgz#d7597e04339f7ca70762031ec473d38eb2df6acb"
+  integrity sha512-fqzDipW3p+uDkHUHFPrdW3wINRKcJsbnJwBD7hgaQEQwcuLSvNLw6SeUp5gKDpTbmTl7zri7IZfhsdTUTnygJg==
+
 elegant-spinner@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/elegant-spinner/-/elegant-spinner-1.0.1.tgz#db043521c95d7e303fd8f345bedc3349cfb0729e"
@@ -4824,6 +4874,13 @@ node-releases@^1.1.47:
   dependencies:
     semver "^6.3.0"
 
+node-releases@^1.1.50:
+  version "1.1.50"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.50.tgz#803c40d2c45db172d0410e4efec83aa8c6ad0592"
+  integrity sha512-lgAmPv9eYZ0bGwUYAKlr8MG6K4CvWliWqnkcT2P8mMAgVrH3lqfBPorFlxiG1pHQnqmavJZ9vbMXUTNyMLbrgQ==
+  dependencies:
+    semver "^6.3.0"
+
 nopt@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.1.tgz#d0d4685afd5415193c8c7505602d0d17cd64474d"
@@ -5308,7 +5365,7 @@ pretty-format@^24.9.0:
     ansi-styles "^3.2.0"
     react-is "^16.8.4"
 
-private@^0.1.6:
+private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
   integrity sha512-VvivMrbvd2nKkiG38qjULzlc+4Vx4wm/whI9pQD35YrARNnhxeiRktSOhSukRLFNlzg6Br/cJPet5J/u19r/mg==
@@ -5622,12 +5679,18 @@ regenerator-runtime@^0.13.2:
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.3.tgz#7cf6a77d8f5c6f60eb73c5fc1955b2ceb01e6bf5"
   integrity sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw==
 
-regenerator-transform@^0.14.0:
-  version "0.14.1"
-  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.14.1.tgz#3b2fce4e1ab7732c08f665dfdb314749c7ddd2fb"
-  integrity sha512-flVuee02C3FKRISbxhXl9mGzdbWUVHubl1SMaknjxkFB1/iqpJhArQUvRxOOPEc/9tAiX0BaQ28FJH10E4isSQ==
+regenerator-runtime@^0.13.4:
+  version "0.13.4"
+  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.13.4.tgz#e96bf612a3362d12bb69f7e8f74ffeab25c7ac91"
+  integrity sha512-plpwicqEzfEyTQohIKktWigcLzmNStMGwbOUbykx51/29Z3JOGYldaaNGK7ngNXV+UcoqvIMmloZ48Sr74sd+g==
+
+regenerator-transform@^0.14.2:
+  version "0.14.2"
+  resolved "https://registry.yarnpkg.com/regenerator-transform/-/regenerator-transform-0.14.2.tgz#949d9d87468ff88d5a7e4734ebb994a892de1ff2"
+  integrity sha512-V4+lGplCM/ikqi5/mkkpJ06e9Bujq1NFmNLvsCs56zg3ZbzrnUzAtizZ24TXxtRX/W2jcdScwQCnbL0CICTFkQ==
   dependencies:
-    private "^0.1.6"
+    "@babel/runtime" "^7.8.4"
+    private "^0.1.8"
 
 regex-not@^1.0.0, regex-not@^1.0.2:
   version "1.0.2"