diff --git a/vuejs/package-lock.json b/vuejs/package-lock.json
index 50c80fd..9e8e5ff 100644
--- a/vuejs/package-lock.json
+++ b/vuejs/package-lock.json
@@ -986,6 +986,16 @@
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@@ -1045,6 +1055,319 @@
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@@ -1141,6 +1464,47 @@
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@@ -11690,6 +11536,15 @@
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+      "resolved": "https://registry.npmjs.org/prompts/-/prompts-2.2.1.tgz",
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-        "sisteransi": "^0.1.1"
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@@ -12710,6 +12559,12 @@
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-      "integrity": "sha1-tNwYYcIbQn6SlQej51HiosuKs/o=",
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+      "resolved": "https://registry.npmjs.org/sane/-/sane-4.1.0.tgz",
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-        "capture-exit": "^1.2.0",
-        "exec-sh": "^0.2.0",
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-        "walker": "~1.0.5",
-        "watch": "~0.18.0"
+        "walker": "~1.0.5"
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@@ -13278,6 +13133,15 @@
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+    "saxes": {
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+      "resolved": "https://registry.npmjs.org/saxes/-/saxes-3.1.11.tgz",
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+      "dev": true,
+      "requires": {
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@@ -13536,9 +13400,9 @@
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+    "ts-jest": {
+      "version": "24.1.0",
+      "resolved": "https://registry.npmjs.org/ts-jest/-/ts-jest-24.1.0.tgz",
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+      "requires": {
+        "bs-logger": "0.x",
+        "buffer-from": "1.x",
+        "fast-json-stable-stringify": "2.x",
+        "json5": "2.x",
+        "lodash.memoize": "4.x",
+        "make-error": "1.x",
+        "mkdirp": "0.x",
+        "resolve": "1.x",
+        "semver": "^5.5",
+        "yargs-parser": "10.x"
+      },
+      "dependencies": {
+        "camelcase": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-4.1.0.tgz",
+          "integrity": "sha1-1UVjW+HjPFQmScaRc+Xeas+uNN0=",
+          "dev": true
+        },
+        "yargs-parser": {
+          "version": "10.1.0",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-10.1.0.tgz",
+          "integrity": "sha512-VCIyR1wJoEBZUqk5PA+oOBF6ypbwh5aNB3I50guxAL/quggdfs4TtNHQrSazFA3fYZ+tEqfs0zIGlv0c/rgjbQ==",
+          "dev": true,
+          "requires": {
+            "camelcase": "^4.1.0"
+          }
+        }
+      }
+    },
     "tsconfig": {
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       "resolved": "https://registry.npmjs.org/tsconfig/-/tsconfig-7.0.0.tgz",
@@ -14761,14 +14660,23 @@
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-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.1.tgz",
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+      "version": "3.6.3",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.6.3.tgz",
+      "integrity": "sha512-KfQUgOqTkLp2aZxrMbCuKCDGW9slFYu2A23A36Gs7sGzTLcRBDORdOi5E21KWHFIfkY8kzgi/Pr1cXCh0yIp5g==",
       "dev": true,
       "optional": true,
       "requires": {
-        "commander": "2.20.0",
+        "commander": "~2.20.3",
         "source-map": "~0.6.1"
+      },
+      "dependencies": {
+        "commander": {
+          "version": "2.20.3",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
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+          "dev": true,
+          "optional": true
+        }
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     },
     "unicode-canonical-property-names-ecmascript": {
@@ -15185,6 +15093,17 @@
         "browser-process-hrtime": "^0.1.2"
       }
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+    "w3c-xmlserializer": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/w3c-xmlserializer/-/w3c-xmlserializer-1.1.2.tgz",
+      "integrity": "sha512-p10l/ayESzrBMYWRID6xbuCKh2Fp77+sA0doRuGn4tTIMrrZVeqfpKjXHY+oDh3K4nLdPgNwMTVP6Vp4pvqbNg==",
+      "dev": true,
+      "requires": {
+        "domexception": "^1.0.1",
+        "webidl-conversions": "^4.0.2",
+        "xml-name-validator": "^3.0.0"
+      }
+    },
     "walker": {
       "version": "1.0.7",
       "resolved": "https://registry.npmjs.org/walker/-/walker-1.0.7.tgz",
@@ -15194,16 +15113,6 @@
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-      "resolved": "https://registry.npmjs.org/watch/-/watch-0.18.0.tgz",
-      "integrity": "sha1-KAlUdsbffJDJYxOJkMClQj60uYY=",
-      "dev": true,
-      "requires": {
-        "exec-sh": "^0.2.0",
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       "resolved": "https://registry.npmjs.org/watchpack/-/watchpack-1.6.0.tgz",
@@ -15685,9 +15594,9 @@
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-      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.3.tgz",
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+      "version": "2.4.1",
+      "resolved": "https://registry.npmjs.org/write-file-atomic/-/write-file-atomic-2.4.1.tgz",
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@@ -15710,6 +15619,12 @@
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       "dev": true
     },
+    "xmlchars": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/xmlchars/-/xmlchars-2.2.0.tgz",
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+      "dev": true
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       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz",
diff --git a/vuejs/package.json b/vuejs/package.json
index b71611e..9e96b9f 100644
--- a/vuejs/package.json
+++ b/vuejs/package.json
@@ -23,7 +23,7 @@
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     "@vue/cli-plugin-eslint": "^3.12.0",
-    "@vue/cli-plugin-unit-jest": "^3.12.0",
+    "@vue/cli-plugin-unit-jest": "^4.0.5",
     "@vue/cli-service": "^3.12.0",
     "@vue/eslint-config-standard": "^4.0.0",
     "@vue/test-utils": "1.0.0-beta.29",