@mikkelscheike/email-provider-links/dist/constants.js

TypeScript library for email provider detection with 140 providers (259 domains), concurrent DNS resolution, alias normalization, and HTTPS login URL validation for login and password reset flows

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DnsConstants = exports.MemoryConstants = exports.EmailLimits = void 0;
/**
 * Email validation constants based on RFC 5321
 *
 * These limits are defined in RFC 5321 Section 4.5.3.1:
 * - Maximum total email length: 254 characters
 * - Maximum local part length: 64 characters
 * - Maximum domain length: 253 characters
 */
exports.EmailLimits = {
    /** Maximum total email address length (local + @ + domain) */
    MAX_EMAIL_LENGTH: 254,
    /** Maximum local part length (before @) */
    MAX_LOCAL_PART_LENGTH: 64,
    /** Maximum domain length (after @) */
    MAX_DOMAIN_LENGTH: 253,
};
/**
 * Memory calculation constants
 */
exports.MemoryConstants = {
    /** Bytes per kilobyte */
    BYTES_PER_KB: 1024,
    /** Kilobytes per megabyte */
    KB_PER_MB: 1024,
};
/**
 * DNS detection defaults
 */
exports.DnsConstants = {
    /** Default DNS query timeout in milliseconds */
    DEFAULT_TIMEOUT_MS: 5000,
    /** Max DNS detection attempts per process per rolling minute */
    MAX_REQUESTS_PER_MINUTE: 10,
};
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