Fixes to StringBuilder. Added tests.

Author: Oren (electricessence)

bower.json

@@ -1,6 +1,6 @@
 {
 	"name": "typescript-dotnet",
-	"version": "4.9.10",
+	"version": "4.9.11",
 	"ignore": [
 		".bowercc",
 		".gitignore",

dist/amd/System/Text/StringBuilder.d.ts

@@ -4,17 +4,8 @@
  * Licensing: MIT https://github.com/electricessence/TypeScript.NET/blob/master/LICENSE.md
  */
 import { IDisposable } from "../Disposable/IDisposable";
-/*****************************
- * IMPORTANT NOTES ABOUT PERFORMANCE:
- * http://jsperf.com/string-concatenation-looped
- * http://jsperf.com/adding-strings-to-an-array
- * http://jsperf.com/string-concatenation-versus-array-operations-with-join
- *
- * It is clearly inefficient to use a StringBuilder or LinkedList to build a string when you have a small set of string portions.
- * StringBuilder will really show it's benefit likely somewhere above 1000 items.
- *****************************/
 export declare class StringBuilder implements IDisposable {
-    private _partArray;
+    private readonly _partArray;
     private _latest;
     constructor(...initial: any[]);
     private appendSingle(item);
@@ -34,7 +25,7 @@ export declare class StringBuilder implements IDisposable {
     }
      /**/
     readonly isEmpty: boolean;
-    toString(): string | null;
+    toString(): string;
     join(delimiter: string): string;
     clear(): void;
     dispose(): void;

dist/amd/System/Text/StringBuilder.js

@@ -1,6 +1,6 @@
 {
   "name": "typescript-dotnet-amd",
-  "version": "4.9.10",
+  "version": "4.9.11",
   "license": "MIT",
   "author": "electricessence <[email protected]>",
   "description": "A JavaScript-Friendly .NET Based TypeScript Library.",

dist/amd/System/Text/StringBuilder.js.map

@@ -4,17 +4,8 @@
  * Licensing: MIT https://github.com/electricessence/TypeScript.NET/blob/master/LICENSE.md
  */
 import { IDisposable } from "../Disposable/IDisposable";
-/*****************************
- * IMPORTANT NOTES ABOUT PERFORMANCE:
- * http://jsperf.com/string-concatenation-looped
- * http://jsperf.com/adding-strings-to-an-array
- * http://jsperf.com/string-concatenation-versus-array-operations-with-join
- *
- * It is clearly inefficient to use a StringBuilder or LinkedList to build a string when you have a small set of string portions.
- * StringBuilder will really show it's benefit likely somewhere above 1000 items.
- *****************************/
 export declare class StringBuilder implements IDisposable {
-    private _partArray;
+    private readonly _partArray;
     private _latest;
     constructor(...initial: any[]);
     private appendSingle(item);
@@ -34,7 +25,7 @@ export declare class StringBuilder implements IDisposable {
     }
      /**/
     readonly isEmpty: boolean;
-    toString(): string | null;
+    toString(): string;
     join(delimiter: string): string;
     clear(): void;
     dispose(): void;

dist/amd/package.json

@@ -1,6 +1,6 @@
 {
   "name": "typescript-dotnet-commonjs",
-  "version": "4.9.10",
+  "version": "4.9.11",
   "license": "MIT",
   "author": "electricessence <[email protected]>",
   "description": "A JavaScript-Friendly .NET Based TypeScript Library.",

dist/commonjs/System/Text/StringBuilder.d.ts

@@ -4,17 +4,8 @@
  * Licensing: MIT https://github.com/electricessence/TypeScript.NET/blob/master/LICENSE.md
  */
 import { IDisposable } from "../Disposable/IDisposable";
-/*****************************
- * IMPORTANT NOTES ABOUT PERFORMANCE:
- * http://jsperf.com/string-concatenation-looped
- * http://jsperf.com/adding-strings-to-an-array
- * http://jsperf.com/string-concatenation-versus-array-operations-with-join
- *
- * It is clearly inefficient to use a StringBuilder or LinkedList to build a string when you have a small set of string portions.
- * StringBuilder will really show it's benefit likely somewhere above 1000 items.
- *****************************/
 export declare class StringBuilder implements IDisposable {
-    private _partArray;
+    private readonly _partArray;
     private _latest;
     constructor(...initial: any[]);
     private appendSingle(item);
@@ -34,7 +25,7 @@ export declare class StringBuilder implements IDisposable {
     }
      /**/
     readonly isEmpty: boolean;
-    toString(): string | null;
+    toString(): string;
     join(delimiter: string): string;
     clear(): void;
     dispose(): void;