typescript-string-operations

Simple lightweight string operation library for Typescript.

No jQuery required. Unit tested.

 import { String, StringBuilder } from 'typescript-string-operations';

USAGE:

String.Empty

var id = String.Empty;

String.IsNullOrWhiteSpace():

var id = image.GetId();
if(String.IsNullOrWhiteSpace(id))
	return image;

String.Format():

var id = image.GetId()
String.Format("image_{0}.jpg", id)
output: "image_2db5da20-1c5d-4f1a-8fd4-b41e34c8c5b5.jpg";

Specifier available!

var value = String.Format("{0:L}", "APPLE"); //output "apple"

value = String.Format("{0:U}", "apple"); // output "APPLE"

value = String.Format("{0:d}", "2017-01-23 00:00"); //output "23.01.2017"


value = String.Format("{0:s}", "21.03.2017 22:15:01") //output "2017-03-21T22:15:01"

value = String.Format("{0:n}", 1000000);
//output "1.000.000"

Specifier	Result
L	LowerCase
U	UpperCase
d	ShortDatePattern
s	SortableDateTimePattern
n	Thousand seperator

String.Join():

var value = String.Join("; ", "Apple", "Banana");
//output: "Apple; Banana";

OR

var array = ['Apple', 'Banana']
var value = String.Join("; ", array);
//output: "Apple; Banana";

Methods

Method	Type	Description	Parameter
Empty	Property	simply returns "".
IsNullOrWhiteSpace	Method	returns true value if given parameter is either null, empty or undefined.	format, args
Format	Method	Converts the value of objects to strings based on the formats specified and inserts them into another string.	format, args
Join	Method	Combines arguments delimited by given seperator.	delimiter,args
Join	Method	Combines arguments delimited by given seperator from array.	delimiter,array

StringBuilder

Just like you know from C#,

var favoriteFruit: string = this.fruiteService.getFavorite(); //Blueberries

var builder = new StringBuilder("My favorite fruits are: ");
builder.Append("Apples, ");
builder.Append("Bananas ");

// of course using String.Format()
builder.AppendFormat("and especially {0:U}!", favoriteFruit);
builder.AppendFormat(" I eat {0} every day!", 10);

var fruits = builder.ToString();

//output: "My favorite fruits are: Apples, Bananas and especially Blueberries! I eat 10 every day!";

Methods

Method	Type	Description	Parameter
Append	Method	appends a string.	value
AppendFormat	Method	see description for String.Format()	format, args
Clear	Method	clears the StringBuilder