better overhead table

Author: mydea

dev-packages/node-overhead-gh-action/lib/Formatter.mjs

@@ -1,4 +1,4 @@
-const NODE_OVERHEAD_RESULTS_HEADER = ['Scenario', 'Prev Requests/s', 'New Requests/s', 'Change %'];
+const NODE_OVERHEAD_RESULTS_HEADER = ['Scenario', 'Requests/s', '% of Baseline', 'Prev Requests/s', 'Change %'];
 
 export class Formatter {
   formatPercentageChange(base = 0, current = 0) {
@@ -24,8 +24,14 @@ export class Formatter {
     return `${formatted}%`;
   }
 
-  formatResult(name, base, current) {
-    return [name, base, current, this.formatPercentageChange(base, current)];
+  formatResult(name, base, current, baseline) {
+    return [
+      name,
+      current || '-',
+      baseline != null ? this.formatPercentageChange(baseline, current) : '-',
+      base || '-',
+      this.formatPercentageChange(base, current),
+    ];
   }
 
   hasChanges(base, current, threshold = 0) {
@@ -50,11 +56,18 @@ export class Formatter {
   formatResults(base, current) {
     const headers = NODE_OVERHEAD_RESULTS_HEADER;
 
+    const baseline = current?.baseline;
+
     return [
       headers,
       this.formatResult('Baseline', base?.baseline, current?.baseline),
-      this.formatResult('With Sentry', base?.withInstrument, current?.withInstrument),
-      this.formatResult('With Sentry (error only)', base?.withInstrumentErrorOnly, current?.withInstrumentErrorOnly),
+      this.formatResult('With Sentry', base?.withInstrument, current?.withInstrument, baseline),
+      this.formatResult(
+        'With Sentry (error only)',
+        base?.withInstrumentErrorOnly,
+        current?.withInstrumentErrorOnly,
+        baseline,
+      ),
     ];
   }
 }