Feature/ignore first item in portfolio evolution chart (#1816)

* Ignore first item in portfolio evolution chart

* Update changelog

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Changed
+
+- Improved the portfolio evolution chart (ignore first item)
+
 ## 1.249.0 - 2023-03-27
 
 ### Added

apps/client/src/app/pages/portfolio/analysis/analysis-page.component.ts

@@ -308,18 +308,24 @@ export class AnalysisPageComponent implements OnDestroy, OnInit {
         this.performanceDataItems = [];
         this.performanceDataItemsInPercentage = [];
 
-        for (const {
-          date,
-          netPerformanceInPercentage,
-          totalInvestment,
-          value,
-          valueInPercentage
-        } of chart) {
-          this.investments.push({ date, investment: totalInvestment });
-          this.performanceDataItems.push({
+        for (const [
+          index,
+          {
             date,
-            value: isNumber(value) ? value : valueInPercentage
-          });
+            netPerformanceInPercentage,
+            totalInvestment,
+            value,
+            valueInPercentage
+          }
+        ] of chart.entries()) {
+          if (index > 0 || this.user?.settings?.dateRange === 'max') {
+            // Ignore first item where value is 0
+            this.investments.push({ date, investment: totalInvestment });
+            this.performanceDataItems.push({
+              date,
+              value: isNumber(value) ? value : valueInPercentage
+            });
+          }
           this.performanceDataItemsInPercentage.push({
             date,
             value: netPerformanceInPercentage