update deps, install vuelidate and add custom validators

app/package.json

@@ -11,20 +11,21 @@
     "i18n:report": "vue-cli-service i18n:report --src './src/**/*.?(js|vue)' --locales './src/locales/**/*.json'"
   },
   "dependencies": {
-    "bootstrap-vue": "^2.17.3",
+    "bootstrap-vue": "^2.18.1",
     "core-js": "^3.6.5",
     "date-fns": "^2.16.1",
     "fork-awesome": "^1.1.7",
     "vue": "^2.6.12",
-    "vue-i18n": "^8.21.1",
-    "vue-router": "^3.4.5",
+    "vue-i18n": "^8.22.1",
+    "vue-router": "^3.4.7",
+    "vuelidate": "^0.7.5",
     "vuex": "^3.4.0"
   },
   "devDependencies": {
     "@vue/cli-plugin-babel": "~4.4.0",
     "@vue/cli-plugin-eslint": "~4.4.0",
-    "@vue/cli-plugin-router": "^4.5.6",
-    "@vue/cli-plugin-vuex": "^4.5.6",
+    "@vue/cli-plugin-router": "^4.5.8",
+    "@vue/cli-plugin-vuex": "^4.5.8",
     "@vue/cli-service": "~4.4.0",
     "babel-eslint": "^10.1.0",
     "bootstrap": "^4.5.2",
@@ -66,7 +67,8 @@
       ],
       "template-curly-spacing": "off",
       "indent": "off",
-      "no-irregular-whitespace": "off"
+      "no-irregular-whitespace": "off",
+      "no-unused-vars": "warn"
     }
   },
   "browserslist": [

app/src/helpers/validators/customValidators.js

@@ -0,0 +1,19 @@
+import { helpers } from 'vuelidate/lib/validators'
+
+const alphalownum_ = helpers.regex('alphalownum_', /^[a-z0-9_]+$/)
+
+const includes = items => item => helpers.withParams(
+  { type: 'includes', value: item }, (item) => {
+  return items ? items.includes(item) : false
+})(item)
+
+const unique = items => item => helpers.withParams(
+  { type: 'unique', arg: items, value: item },
+  item => items ? !items.includes(item) : true
+)(item)
+
+export {
+  alphalownum_,
+  includes,
+  unique
+}

app/src/helpers/validators/index.js

@@ -0,0 +1,3 @@
+// helper module to expose custom and vuelidate validators.
+export * from 'vuelidate/lib/validators'
+export * from './customValidators'