From 60df4e1e37a1ab8e770686bc3de100124f7420fc Mon Sep 17 00:00:00 2001
From: Nigro Simone <nigro.simone@gmail.com>
Date: Fri, 25 Apr 2025 20:40:00 +0200
Subject: [PATCH] perf: improve buildData by preallocating array

---
 .../keyed/angular-cf-new-nozone/src/app/app.component.ts   | 7 +++----
 .../keyed/angular-cf-nozone/src/app/app.component.ts       | 7 +++----
 frameworks/keyed/angular-cf/src/app/app.component.ts       | 7 +++----
 frameworks/keyed/angular-ngfor/src/app/app.component.ts    | 7 +++----
 4 files changed, 12 insertions(+), 16 deletions(-)

diff --git a/frameworks/keyed/angular-cf-new-nozone/src/app/app.component.ts b/frameworks/keyed/angular-cf-new-nozone/src/app/app.component.ts
index cee0c10cb..b958d8b1b 100644
--- a/frameworks/keyed/angular-cf-new-nozone/src/app/app.component.ts
+++ b/frameworks/keyed/angular-cf-new-nozone/src/app/app.component.ts
@@ -25,10 +25,9 @@ export class AppComponent {
     version = VERSION.full;
 
     buildData(count: number = 1000): Array<Data> {
-        var data: Array<Data> = new Array(count);
-        for (var i = 0; i < count; i++) {
-            data[i]={ id: this.id, label: `${adjectives[this._random(adjectives.length)]} ${colours[this._random(colours.length)]} ${nouns[this._random(nouns.length)]}` };
-            this.id++;
+        const data: Array<Data> = new Array(count);
+        for (let i = 0; i < count; i++) {
+            data[i]={ id: this.id++, label: `${adjectives[this._random(adjectives.length)]} ${colours[this._random(colours.length)]} ${nouns[this._random(nouns.length)]}` };
         }
         return data;
     }
diff --git a/frameworks/keyed/angular-cf-nozone/src/app/app.component.ts b/frameworks/keyed/angular-cf-nozone/src/app/app.component.ts
index 9d963936a..c44bd0d49 100644
--- a/frameworks/keyed/angular-cf-nozone/src/app/app.component.ts
+++ b/frameworks/keyed/angular-cf-nozone/src/app/app.component.ts
@@ -23,10 +23,9 @@ export class AppComponent {
     version = VERSION.full;
 
     buildData(count: number = 1000): Array<Data> {
-        var data: Array<Data> = [];
-        for (var i = 0; i < count; i++) {
-            data.push({ id: this.id, label: adjectives[this._random(adjectives.length)] + " " + colours[this._random(colours.length)] + " " + nouns[this._random(nouns.length)] });
-            this.id++;
+        const data: Array<Data> = new Array<Data>(count);
+        for (let i = 0; i < count; i++) {
+            data[i] = { id: this.id++, label: adjectives[this._random(adjectives.length)] + " " + colours[this._random(colours.length)] + " " + nouns[this._random(nouns.length)] };
         }
         return data;
     }
diff --git a/frameworks/keyed/angular-cf/src/app/app.component.ts b/frameworks/keyed/angular-cf/src/app/app.component.ts
index 349c77cc0..bb9df93a8 100644
--- a/frameworks/keyed/angular-cf/src/app/app.component.ts
+++ b/frameworks/keyed/angular-cf/src/app/app.component.ts
@@ -24,10 +24,9 @@ export class AppComponent {
     version = VERSION.full;
 
     buildData(count: number = 1000): Array<Data> {
-        var data: Array<Data> = new Array(count);
-        for (var i = 0; i < count; i++) {
-            data[i]={ id: this.id, label: `${adjectives[this._random(adjectives.length)]} ${colours[this._random(colours.length)]} ${nouns[this._random(nouns.length)]}` };
-            this.id++;
+        const data: Array<Data> = new Array(count);
+        for (let i = 0; i < count; i++) {
+            data[i]={ id: this.id++, label: `${adjectives[this._random(adjectives.length)]} ${colours[this._random(colours.length)]} ${nouns[this._random(nouns.length)]}` };
         }
         return data;
     }
diff --git a/frameworks/keyed/angular-ngfor/src/app/app.component.ts b/frameworks/keyed/angular-ngfor/src/app/app.component.ts
index 349c77cc0..bb9df93a8 100644
--- a/frameworks/keyed/angular-ngfor/src/app/app.component.ts
+++ b/frameworks/keyed/angular-ngfor/src/app/app.component.ts
@@ -24,10 +24,9 @@ export class AppComponent {
     version = VERSION.full;
 
     buildData(count: number = 1000): Array<Data> {
-        var data: Array<Data> = new Array(count);
-        for (var i = 0; i < count; i++) {
-            data[i]={ id: this.id, label: `${adjectives[this._random(adjectives.length)]} ${colours[this._random(colours.length)]} ${nouns[this._random(nouns.length)]}` };
-            this.id++;
+        const data: Array<Data> = new Array(count);
+        for (let i = 0; i < count; i++) {
+            data[i]={ id: this.id++, label: `${adjectives[this._random(adjectives.length)]} ${colours[this._random(colours.length)]} ${nouns[this._random(nouns.length)]}` };
         }
         return data;
     }