adds graph class

web/classes.js

@@ -0,0 +1,45 @@
+let intervalDelay = 5000;
+
+class liveGraph {
+  // Constructor to initialize the graph
+  constructor(id) {
+    this.timeArray = [4, 5, 6, 7, 9];
+    this.valueArray = [1, 3, 4, 8, 10];
+    this.cnt = 0;	
+    this.nodeId = id;
+  }
+
+  // Fuction to create a graph
+  makeGraph() {
+    Plotly.plot("liveGraph", [
+      {
+        x: this.timeArray, // Use timeArray as x values
+        y: this.valueArray,
+        mode: "lines",
+        line: { color: "#80CAF6" },
+        name: "Temperature",
+      },
+    ]);
+  }
+
+  // Function to update the graph with new values
+  updateGraph() {
+    let time = new Date();
+    this.timeArray.push(new Date());
+    this.valueArray.push(Math.random());
+    let update = {
+      x: [[this.timeArray]],
+      y: [[this.valueArray]],
+    };
+    let olderTime = time.setMinutes(time.getMinutes() - 1);
+    let futureTime = time.setMinutes(time.getMinutes() + 1);
+    let minuteView = {
+      xaxis: {
+        type: "date",
+        range: [olderTime, futureTime],
+      },
+    };
+    Plotly.relayout("liveGraph", minuteView);
+    if (this.cnt === 10) clearInterval(interval);
+  }
+}