todo, omit only zeroes from htlm

cmd/clitest/main.go

@@ -103,9 +103,11 @@ func main() {
 							series[i] = int(lastValue)
 						}
 						key := fmt.Sprintf("%s (%s)", name, currency)
+						if slices.Min(series) != 0 || slices.Max(series) != 0 {
 							line.AddYAxis(key, series)
 						}
 					}
+				}
 			case "/reg":
 				for name, currencyDateValue := range nameCurrencyDateValue {
 					for currency, dateValue := range currencyDateValue {
@@ -122,10 +124,12 @@ func main() {
 							series[i] = int(lastValue - prevValue)
 						}
 						key := fmt.Sprintf("%s (%s)", name, currency)
+						if slices.Min(series) != 0 || slices.Max(series) != 0 {
 							line.AddYAxis(key, series)
 						}
 					}
 				}
+			}
 			if err := line.Render(w); err != nil {
 				panic(err)
 			}

todo.yaml

@@ -1,4 +1,5 @@
 todo:
+- html has stacked bar chart version
 - html version has fields and submit button rather than query params by hand
 - html version can accept new transactions for moolah
 - html version has projections based on compounding/non compounding interest and rate