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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | 11x 9x 4x 2x 5x 3x 9x 9x 7x | import { Validator } from '..';
import { isNullOrUndefined } from '../utils/is-defined';
import { Countries, isInvalidPostalCode } from '../utils/postal-codes';
/**
* Passes if string only contains alphabetical characters.
* @param value the string to validate
* @returns why the validator failed
*/
export function isAlpha(value: string | null | undefined): string | void {
if (isNullOrUndefined(value)) return;
if (!/[A-z ]+/.test(value)) return 'includes non alpha characters';
}
/**
* Passes if string only contains alphanumeric characters.
* @param value the string to validate
* @returns why the validator failed
*/
export function isAlphaNumeric(value: string | null | undefined): string | void {
if (isNullOrUndefined(value)) return;
if (!/[A-z \d]+/.test(value)) return 'includes non alpha-numeric characters';
}
/**
* Passes if string only contains numeric characters.
* @param value the string to validate
* @returns why the validator failed
*/
export function isNumeric(value: string | null | undefined): string | void {
if (isNullOrUndefined(value)) return;
if (!/\d+/.test(value)) return 'includes non numeric characters';
}
export function isPostalCode(countryCode: Countries): Validator.Fn<string | null | undefined> {
return (value: string | null | undefined): string | void => {
if (isNullOrUndefined(value)) return;
if (isInvalidPostalCode(countryCode, value)) return `is an invalid postal code for "${countryCode}"`;
};
}
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