updating to 4.0

New design with breaking changes, gulp 4, all dependencies updated, dev environment changed, and many more changes

js/demo/chart-area-demo.js

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+// Set new default font family and font color to mimic Bootstrap's default styling
+Chart.defaults.global.defaultFontFamily = 'Nunito', '-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif';
+Chart.defaults.global.defaultFontColor = '#858796';
+
+function number_format(number, decimals, dec_point, thousands_sep) {
+  // *     example: number_format(1234.56, 2, ',', ' ');
+  // *     return: '1 234,56'
+  number = (number + '').replace(',', '').replace(' ', '');
+  var n = !isFinite(+number) ? 0 : +number,
+    prec = !isFinite(+decimals) ? 0 : Math.abs(decimals),
+    sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep,
+    dec = (typeof dec_point === 'undefined') ? '.' : dec_point,
+    s = '',
+    toFixedFix = function(n, prec) {
+      var k = Math.pow(10, prec);
+      return '' + Math.round(n * k) / k;
+    };
+  // Fix for IE parseFloat(0.55).toFixed(0) = 0;
+  s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.');
+  if (s[0].length > 3) {
+    s[0] = s[0].replace(/\B(?=(?:\d{3})+(?!\d))/g, sep);
+  }
+  if ((s[1] || '').length < prec) {
+    s[1] = s[1] || '';
+    s[1] += new Array(prec - s[1].length + 1).join('0');
+  }
+  return s.join(dec);
+}
+
+// Area Chart Example
+var ctx = document.getElementById("myAreaChart");
+var myLineChart = new Chart(ctx, {
+  type: 'line',
+  data: {
+    labels: ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"],
+    datasets: [{
+      label: "Earnings",
+      lineTension: 0.3,
+      backgroundColor: "rgba(78, 115, 223, 0.05)",
+      borderColor: "rgba(78, 115, 223, 1)",
+      pointRadius: 3,
+      pointBackgroundColor: "rgba(78, 115, 223, 1)",
+      pointBorderColor: "rgba(78, 115, 223, 1)",
+      pointHoverRadius: 3,
+      pointHoverBackgroundColor: "rgba(78, 115, 223, 1)",
+      pointHoverBorderColor: "rgba(78, 115, 223, 1)",
+      pointHitRadius: 10,
+      pointBorderWidth: 2,
+      data: [0, 10000, 5000, 15000, 10000, 20000, 15000, 25000, 20000, 30000, 25000, 40000],
+    }],
+  },
+  options: {
+    maintainAspectRatio: false,
+    layout: {
+      padding: {
+        left: 0,
+        right: 25,
+        top: 25,
+        bottom: 25
+      }
+    },
+    scales: {
+      xAxes: [{
+        time: {
+          unit: 'date'
+        },
+        gridLines: {
+          display: false,
+          drawBorder: false
+        },
+        ticks: {
+          maxTicksLimit: 7
+        }
+      }],
+      yAxes: [{
+        ticks: {
+          maxTicksLimit: 5,
+          padding: 10,
+          // Include a dollar sign in the ticks
+          callback: function(value, index, values) {
+            return '$' + number_format(value);
+          }
+        },
+        gridLines: {
+          color: "rgb(234, 236, 244)",
+          zeroLineColor: "rgb(234, 236, 244)",
+          drawBorder: false,
+          borderDash: [2],
+          zeroLineBorderDash: [2]
+        }
+      }],
+    },
+    legend: {
+      display: false
+    },
+    tooltips: {
+      backgroundColor: "rgb(255,255,255)",
+      bodyFontColor: "#858796",
+      titleMarginBottom: 10,
+      titleFontColor: '#6e707e',
+      titleFontSize: 14,
+      borderColor: '#dddfeb',
+      borderWidth: 1,
+      xPadding: 15,
+      yPadding: 15,
+      displayColors: false,
+      intersect: false,
+      mode: 'index',
+      caretPadding: 10,
+      callbacks: {
+        label: function(tooltipItem, chart) {
+          var datasetLabel = chart.datasets[tooltipItem.datasetIndex].label || '';
+          return datasetLabel + ': $' + number_format(tooltipItem.yLabel);
+        }
+      }
+    }
+  }
+});

js/demo/chart-bar-demo.js

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+// Set new default font family and font color to mimic Bootstrap's default styling
+Chart.defaults.global.defaultFontFamily = '-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif';
+Chart.defaults.global.defaultFontColor = '#292b2c';
+
+// Bar Chart Example
+var ctx = document.getElementById("myBarChart");
+var myLineChart = new Chart(ctx, {
+  type: 'bar',
+  data: {
+    labels: ["January", "February", "March", "April", "May", "June"],
+    datasets: [{
+      label: "Revenue",
+      backgroundColor: "rgba(2,117,216,1)",
+      borderColor: "rgba(2,117,216,1)",
+      data: [4215, 5312, 6251, 7841, 9821, 14984],
+    }],
+  },
+  options: {
+    scales: {
+      xAxes: [{
+        time: {
+          unit: 'month'
+        },
+        gridLines: {
+          display: false
+        },
+        ticks: {
+          maxTicksLimit: 6
+        }
+      }],
+      yAxes: [{
+        ticks: {
+          min: 0,
+          max: 15000,
+          maxTicksLimit: 5
+        },
+        gridLines: {
+          display: true
+        }
+      }],
+    },
+    legend: {
+      display: false
+    }
+  }
+});

js/demo/chart-pie-demo.js

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+// Set new default font family and font color to mimic Bootstrap's default styling
+Chart.defaults.global.defaultFontFamily = '-apple-system,system-ui,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif';
+Chart.defaults.global.defaultFontColor = '#292b2c';
+
+// Pie Chart Example
+var ctx = document.getElementById("myPieChart");
+var myPieChart = new Chart(ctx, {
+  type: 'pie',
+  data: {
+    labels: ["Blue", "Red", "Yellow", "Green"],
+    datasets: [{
+      data: [12.21, 15.58, 11.25, 8.32],
+      backgroundColor: ['#007bff', '#dc3545', '#ffc107', '#28a745'],
+    }],
+  },
+});

js/demo/datatables-demo.js

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+// Call the dataTables jQuery plugin
+$(document).ready(function() {
+  $('#dataTable').DataTable();
+});