removed old utils virtualenv

frontend/frontend.js

@@ -0,0 +1,46 @@
+// All code in this file is licensed under the ISC license, provided in LICENSE.txt
+$('#update').click(function () {
+  updateData();
+});
+// jQuery event binder
+
+function updateData () {
+  const url = 'http://' + window.location.hostname + ':5000/data';
+  $.ajax({ // spawn an AJAX request
+    url: url,
+    success: function (data, status) {
+      console.log(data);
+      graphSpectralData(data[0], 0);
+      fillTableData(data);
+    },
+    timeout: 2500 // this should be a pretty sane timeout
+  });
+}
+
+function graphSpectralData (obj, dom) {
+  // graph spectral data in obj into dom
+  var graphPoints = [];
+  var graphXTicks = [];
+
+  Object.keys(obj).forEach((element, index) => {
+    graphPoints.push([index, obj[element]]); // build array of points
+    graphXTicks.push([index, element]); // build array of axis labels
+  });
+  // console.log(graphPoints);
+  const options = {
+    grid: {color: 'white'},
+    xaxis: {ticks: graphXTicks}
+  };
+  $.plot('#graph', [graphPoints], options);
+  // flot expects an array of arrays (lines) of 2-element arrays (points)
+}
+
+function fillTableData (obj) {
+  // fill the obj data into HTML tables
+  Object.keys(obj[0])
+    .forEach((element) => { $('#' + element).text(obj[0][element]); });
+  $('#lx').text(obj[1]);
+  $('#uva').text(obj[2][0]);
+  $('#uvb').text(obj[2][1]);
+  $('#uvi').text(obj[2][2]);
+}