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Add String.Contains() and StringComparison enum #9

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88 changes: 87 additions & 1 deletion dist/index.ts
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,87 @@ export class String {
}
}

public static Contains(value: string, search: string, comparison: StringComparison = StringComparison.Ordinal): boolean {
try {
if (value == null || value == 'undefined' || search == null || search == 'undefined')
return false;
const seachIn = comparison == StringComparison.Ordinal ? value.toString() : value.toString().toLocaleLowerCase();
const seachTerm = comparison == StringComparison.Ordinal ? search.toString() : search.toString().toLocaleLowerCase();
return seachIn.indexOf(seachTerm) !== -1;
}
catch (e) {
console.log(e);
return false;
}
}

public static Equals(value: string, compareTo: string, comparison: StringComparison = StringComparison.Ordinal): boolean {
try {
if (value == null || value == 'undefined') {
return compareTo == null || compareTo == 'undefined';
}
if (compareTo == null || compareTo == 'undefined') {
return false;
}
const compareValue = comparison == StringComparison.Ordinal ? value.toString() : value.toString().toLocaleLowerCase();
const compareToValue = comparison == StringComparison.Ordinal ? compareTo.toString() : compareTo.toString().toLocaleLowerCase();
return compareValue == compareToValue;
}
catch (e) {
console.log(e);
return false;
}
}

public static Compare(value: string, compareTo: string, comparison: StringComparison = StringComparison.Ordinal): number {
try {
if (value == null || value == 'undefined') {
return (compareTo == null || compareTo == 'undefined') ? 0 : -1;
}
if (compareTo == null || compareTo == 'undefined') {
return 1;
}
const compareValue = comparison == StringComparison.Ordinal ? value.toString() : value.toString().toLocaleLowerCase();
const compareToValue = comparison == StringComparison.Ordinal ? compareTo.toString() : compareTo.toString().toLocaleLowerCase();
if (compareValue == compareToValue) {
return 0;
}
return compareValue > compareToValue ? 1 : -1;
}
catch (e) {
console.log(e);
return 0;
}
}

public static ToLower(value: string): string
{
try {
if (value == null || value == 'undefined') {
return String.Empty;
}
return value.toLocaleLowerCase();
}
catch (e) {
console.log(e);
return String.Empty;
}
}

public static ToUpper(value: string): string
{
try {
if (value == null || value == 'undefined') {
return String.Empty;
}
return value.toLocaleUpperCase();
}
catch (e) {
console.log(e);
return String.Empty;
}
}

public static Join(delimiter: string, ...args: (string | object | Array<any>)[]): string {
try {
let firstArg = args[0];
Expand Down Expand Up @@ -236,4 +317,9 @@ export class StringBuilder {
public Clear() {
this.Values = [];
}
}
}

export enum StringComparison {
Ordinal,
OrdinalIgnoreCase,
}