From 38aa0b2bb93bb1dc414664078f698b6ff87460e0 Mon Sep 17 00:00:00 2001
From: Sergiy Korzh <sergey.korzh@live.com>
Date: Sun, 22 Oct 2023 10:27:11 +0300
Subject: [PATCH] Update string utils and the randomizer

---
 easydata.js/packs/core/src/utils/string_utils.ts | 9 ++-------
 easydata.js/packs/core/src/utils/utils.ts        | 8 ++++----
 2 files changed, 6 insertions(+), 11 deletions(-)

diff --git a/easydata.js/packs/core/src/utils/string_utils.ts b/easydata.js/packs/core/src/utils/string_utils.ts
index cc5eee38..7c144197 100644
--- a/easydata.js/packs/core/src/utils/string_utils.ts
+++ b/easydata.js/packs/core/src/utils/string_utils.ts
@@ -1,10 +1,5 @@
-export function repeatString(str: string, times: number): string{
-	let result = "";
-	for(let i = 0; i < times; i++){
-		result += str;
-	}
-	
-	return result;
+export function repeatString(str: string, times: number): string {
+	return str.repeat(times);
 }
 
 export function reverseString(str: string): string{
diff --git a/easydata.js/packs/core/src/utils/utils.ts b/easydata.js/packs/core/src/utils/utils.ts
index 5413eeea..8cbff17a 100644
--- a/easydata.js/packs/core/src/utils/utils.ts
+++ b/easydata.js/packs/core/src/utils/utils.ts
@@ -350,7 +350,7 @@ export namespace utils {
         }
 
         //adding 2 random symbols
-        var randValue = strf.repeatString("", 2);;
+        var randValue = strf.repeatString(' ', 2);
 
         const maxSymbolIndex = symbols.length - 1;
         randValue = replaceAtString(randValue, 0, symbols[getRandomInt(0, maxSymbolIndex)]);
@@ -364,7 +364,7 @@ export namespace utils {
     function intToNum36(value: number) {
         const targetBase = 36;
         let i = 14;
-        var buffer = strf.repeatString("", i);
+        var buffer = strf.repeatString(' ', i);
         var rest = value;
         do {
             buffer = replaceAtString(buffer, i--, symbols[rest % targetBase]);
@@ -415,8 +415,8 @@ export namespace utils {
         }
     }
 
-    function replaceAtString(str: string, index: number, value: string): string {
-        return str.substr(0, index) + value + str.substr(index + value.length);
+    function replaceAtString(str: string, index: number, replacement: string): string {
+        return str.substring(0, index) + replacement + str.substring(index + replacement.length);
     }
 
     function getRandomInt(min, max) {