credix/lib/utils/validator.d.ts

Official SDK for Credix Credit Management System

/**
 * Validation utilities for SDK inputs
 */
export declare class Validator {
    /**
     * Validates that a value is not null or undefined
     */
    static required<T>(value: T | null | undefined, fieldName: string): T;
    /**
     * Validates that a string is not empty
     */
    static notEmpty(value: string | null | undefined, fieldName: string): string;
    /**
     * Validates that a value is a positive number
     */
    static positiveNumber(value: number | null | undefined, fieldName: string): number;
    /**
     * Validates that a value is a non-negative number
     */
    static nonNegativeNumber(value: number | null | undefined, fieldName: string): number;
    /**
     * Validates that a value is within a range
     */
    static inRange(value: number | null | undefined, fieldName: string, min: number, max: number): number;
    /**
     * Validates an email address
     */
    static email(value: string | null | undefined, fieldName: string): string;
    /**
     * Validates a UUID
     */
    static uuid(value: string | null | undefined, fieldName: string): string;
    /**
     * Validates an ISO date string
     */
    static isoDate(value: string | null | undefined, fieldName: string): string;
    /**
     * Checks if a string is ISO 8601 format (for validation only)
     */
    static isISO8601(value: string): boolean;
    /**
     * Validates an enum value
     */
    static enum<T extends string>(value: T | null | undefined, fieldName: string, validValues: readonly T[]): T;
    /**
     * Validates an array is not empty
     */
    static notEmptyArray<T>(value: T[] | null | undefined, fieldName: string): T[];
    /**
     * Validates object has required properties
     */
    static hasProperties<T extends object>(value: T | null | undefined, fieldName: string, requiredProps: (keyof T)[]): T;
}
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