Created the helpers.js util

server/util/helpers.js

@@ -0,0 +1,34 @@
+module.exports.replaceVariables = (message, variables) => {
+    for (const variable in variables)
+        message = message.replace(`%${variable}%`, variables[variable]);
+    return message;
+}
+
+module.exports.mapFixed = (entries, type) => ({
+    min: Math.min(...entries.map((entry) => entry[type])),
+    max: Math.max(...entries.map((entry) => entry[type])),
+    avg: parseFloat((entries.reduce((a, b) => a + b[type], 0) / entries.length).toFixed(2))
+});
+
+module.exports.mapRounded = (entries, type) => ({
+    min: Math.min(...entries.map((entry) => entry[type])),
+    max: Math.max(...entries.map((entry) => entry[type])),
+    avg: Math.round(entries.reduce((a, b) => a + b[type], 0) / entries.length)
+});
+
+module.exports.calculateTestAverages = (tests) => {
+    let avgNumbers = {ping: 0, down: 0, up: 0, time: 0};
+
+    tests.forEach((current) => {
+        avgNumbers.ping += current.ping;
+        avgNumbers.down += current.download;
+        avgNumbers.up += current.upload;
+        avgNumbers.time += current.time;
+    });
+
+    Object.keys(avgNumbers).forEach((key) => {
+        avgNumbers[key] = avgNumbers[key] / tests.length;
+    });
+
+    return avgNumbers;
+}