n-digit-token/lib/library/validation/validateCustomMemory.js

Cryptographically secure pseudo-random token of n digits

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.validateCustomMemory = void 0;
const constants_1 = require("../constants");
/**
 * Validates options.customMemory.
 * Please read the README for more information.
 * @param length
 * @param options
 * @throws {error} if called with invalid options
 */
const validateCustomMemory = (length, options) => {
    if (!options || options.customMemory === undefined) {
        return;
    }
    // check order has to follow options > 0 > undef/null
    if (options.customMemory === 0) {
        throw new Error('Invalid options: customMemory must be a positive integer.');
    }
    if (!Number.isInteger(options.customMemory) || options.customMemory <= 0) {
        throw new Error('Invalid options: customMemory must be a positive integer.');
    }
    if (options.customMemory < constants_1.DEFAULT_BYTE_SIZE + length) {
        /* tslint:disable-next-line:no-console */
        console.warn('Warning - scarce memory: Allocated memory is less than ideal for the algorithm, this *may* result in decreased performance.');
    }
    if (options.customMemory > (constants_1.DEFAULT_BYTE_SIZE + length) * 2) {
        /* tslint:disable-next-line:no-console */
        console.warn('Warning - overcompensated memory: Allocated memory is more than ideal for the algorithm, this *may* result in decreased performance.');
    }
};
exports.validateCustomMemory = validateCustomMemory;