@habemus-papadum/validators

Validation helper functions.

Installation

npm install @habemus-papadum/validators

Usage

import {
  isEmail,
  isUrl,
  isUuid,
  isNonEmptyString,
  isPositiveNumber,
  isHexColor,
  isIsoDate,
} from "@habemus-papadum/validators";

isEmail("[email protected]"); // true
isUrl("https://example.com"); // true
isUuid("550e8400-e29b-41d4-a716-446655440000"); // true
isNonEmptyString("hello"); // true
isPositiveNumber(42); // true
isHexColor("#fff"); // true
isIsoDate("2024-01-15"); // true

API

isEmail(value: string): boolean

Validates email addresses.

isUrl(value: string): boolean

Validates URLs (must include protocol).

isUuid(value: string): boolean

Validates UUID v4 strings.

isNonEmptyString(value: unknown): boolean

Checks if a value is a non-empty, non-whitespace string.

isPositiveNumber(value: unknown): boolean

Checks if a value is a positive number.

isHexColor(value: string): boolean

Validates hex color codes (#fff or #ffffff).

isIsoDate(value: string): boolean

Validates ISO date strings (YYYY-MM-DD).

License

ISC