17 lines
523 B
TypeScript
17 lines
523 B
TypeScript
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interface StringConstructor {
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IsNullOrEmpty: (value: string) => boolean;
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Format: (format: string, ...args: any[]) => string;
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}
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String.IsNullOrEmpty = function (value: string): boolean {
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return value === undefined || value === null || value.trim() === "";
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};
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String.Format = function (format: string, ...args: any[]): string {
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return format.replace(/{(\d+)}/g, (match, index) => {
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let value: any = args[index];
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if (value === null || value === undefined) { return ""; }
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return "" + value;
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});
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};
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