19 lines
407 B
TypeScript
19 lines
407 B
TypeScript
/** List of supported E164 country codes. */
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const COUNTRY_CODES = [
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'1',
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'351',
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'44',
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'55',
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] as const;
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/** Supported E164 country code. */
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type CountryCode = typeof COUNTRY_CODES[number];
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/** Check whether a given value is a country code. */
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const isCountryCode = (value: any): value is CountryCode => COUNTRY_CODES.includes(value);
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export {
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COUNTRY_CODES,
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CountryCode,
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isCountryCode,
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};
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