added accounting package and number formatter

package.json

@@ -18,6 +18,7 @@
   "dependencies": {
     "@nuxtjs/apollo": "^4.0.0-rc3",
     "@nuxtjs/dotenv": "^1.3.0",
+    "accounting": "^0.4.1",
     "cross-env": "^5.2.0",
     "date-fns": "^1.29.0",
     "express": "^4.16.3",

plugins/vue-filters.js

@@ -3,6 +3,8 @@ import Vue from 'vue'
 import format from 'date-fns/format'
 import addSeconds from 'date-fns/add_seconds'
 
+import accounting from 'accounting'
+
 export default ({ app }) => {
   app.$filters = Object.assign(app.$filters || {}, {
     date: (value, fmt = 'DD. MMM YYYY') => {
@@ -13,6 +15,18 @@ export default ({ app }) => {
       if (!value) return ''
       return format(new Date(value), fmt)
     },
+    number: (
+      value,
+      precision = 2,
+      thousands = '.',
+      decimals = ',',
+      fallback = null
+    ) => {
+      if (isNaN(value) && fallback) {
+        return fallback
+      }
+      return accounting.formatNumber(value || 0, precision, thousands, decimals)
+    },
     // format seconds or milliseconds to durations HH:mm:ss
     duration: (value, unit = 's') => {
       if (unit === 'ms') {
@@ -46,7 +60,7 @@ export default ({ app }) => {
       }
       return value.join(glue)
     },
-    listByKey(values, key, glue, truncate) {
+    listByKey: (values, key, glue, truncate) => {
       return app.$filters.list(values.map(item => item[key]), glue, truncate)
     },
     camelCase: (value = '') => {

yarn.lock

@@ -1024,6 +1024,10 @@ accepts@^1.3.5, accepts@~1.3.5:
     mime-types "~2.1.18"
     negotiator "0.6.1"
 
+accounting@^0.4.1:
+  version "0.4.1"
+  resolved "https://registry.yarnpkg.com/accounting/-/accounting-0.4.1.tgz#87dd4103eff7f4460f1e186f5c677ed6cf566883"
+
 acorn-dynamic-import@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/acorn-dynamic-import/-/acorn-dynamic-import-3.0.0.tgz#901ceee4c7faaef7e07ad2a47e890675da50a278"