1 files changed, 17 insertions, 19 deletions

diff --git a/assets/main.js b/assets/main.js
index ba82a9f..c22499e 100644
--- a/assets/main.js
+++ b/assets/main.js
@@ -46,8 +46,8 @@ if (path == '/login') {
 // Functions
 
 function trim_inputs_on_blur() {
-  document.querySelectorAll('input').forEach(function (input) {
-      input.addEventListener('blur', function () {
+  document.querySelectorAll('input').forEach(input => {
+      input.addEventListener('blur', () => {
           input.value = input.value.trim()
       })
   })
@@ -58,7 +58,7 @@ function control_remove_button() {
   const removeButton = document.getElementById('remove-button')
 
   if (removeInput && removeButton) {
-      removeInput.addEventListener('input', function() {
+      removeInput.addEventListener('input', () => {
           if (removeInput.value.trim() == removeInput.getAttribute('data-name')) {
               removeButton.removeAttribute('disabled')
           } else {
@@ -76,9 +76,9 @@ function auto_fill_category() {
       const query = name.value.trim()
       if (query) {
           const xhttp = new XMLHttpRequest()
-          xhttp.onreadystatechange = function() {
-              if (this.readyState == 4 && this.status == 200) {
-                  category.value = this.responseText
+          xhttp.onreadystatechange = () => {
+              if (xhttp.readyState == 4 && xhttp.status == 200) {
+                  category.value = xhttp.responseText
               }
           }
           xhttp.open('GET', `/payment/category?payment_name=${query}`, true)
@@ -94,21 +94,21 @@ function show_statistics() {
   const incomes = JSON.parse(document.getElementById('incomes').textContent)
   const payments = JSON.parse(document.getElementById('payments').textContent)
 
-  const dates = incomes.map(function (i) { return i.date })
+  const dates = incomes.map(i => i.date)
 
   const datasets = [
       {
           label: 'Revenus',
-          data: incomes.map(function (i) { return i.amount }),
+          data: incomes.map(i => i.amount),
           fill: false,
           backgroundColor: '#222222',
           borderColor: '#222222'
       }
   ]
 
-  const total_payments = {};
+  const total_payments = {}
   const categories_payments = {}
-  payments.forEach(function (p) {
+  payments.forEach(p => {
       if (categories_payments[p.category_id] === undefined) {
           categories_payments[p.category_id] = {}
       }
@@ -122,18 +122,18 @@ function show_statistics() {
 
   datasets.push({
       label: 'Total des paiements',
-      data: dates.map(function (d) { return total_payments[d] || 0 }),
+      data: dates.map(d => total_payments[d] || 0),
       fill: false,
       backgroundColor: '#555555',
       borderColor: '#555555'
   })
 
-  Object.keys(categories_payments).forEach(function (category_id) {
+  Object.keys(categories_payments).forEach(category_id => {
       const category_payments = categories_payments[category_id]
-      const category = categories.find(function (c) { return c.id == category_id })
+      const category = categories.find(c => c.id == category_id)
       datasets.push({
           label: category.name,
-          data: dates.map(function (d) { return category_payments[d] || 0 }),
+          data: dates.map(d => category_payments[d] || 0),
           fill: false,
           backgroundColor: category.color,
           borderColor: category.color,
@@ -154,10 +154,10 @@ function show_statistics() {
               mode: 'nearest',
               intersect: false,
               callbacks: {
-                  title: function(tooltipItem, data) {
+                  title: (tooltipItem, data)  => {
                     return capitalize(prettyPrintMonth(tooltipItem[0].xLabel))
                   },
-                  label: function(tooltipItem, data) {
+                  label: (tooltipItem, data) => {
                       let label = data.datasets[tooltipItem.datasetIndex].label || ''
                       if (label) {
                           label += ': '
@@ -183,9 +183,7 @@ function show_statistics() {
                   {
                       ticks: {
                           beginAtZero: true,
-                          callback: function(value) {
-                              return `${value} €`
-                          }
+                          callback: value => `${value} €`
                       }
                   }
               ]