credit-card-type/dist/lib/matches.js

A library for determining credit card type

"use strict";
/*
 * Adapted from https://github.com/polvo-labs/card-type/blob/aaab11f80fa1939bccc8f24905a06ae3cd864356/src/cardType.js#L37-L42
 * */
Object.defineProperty(exports, "__esModule", { value: true });
exports.matches = void 0;
function matchesRange(cardNumber, min, max) {
    var maxLengthToCheck = String(min).length;
    var substr = cardNumber.substr(0, maxLengthToCheck);
    var integerRepresentationOfCardNumber = parseInt(substr, 10);
    min = parseInt(String(min).substr(0, substr.length), 10);
    max = parseInt(String(max).substr(0, substr.length), 10);
    return (integerRepresentationOfCardNumber >= min &&
        integerRepresentationOfCardNumber <= max);
}
function matchesPattern(cardNumber, pattern) {
    pattern = String(pattern);
    return (pattern.substring(0, cardNumber.length) ===
        cardNumber.substring(0, pattern.length));
}
function matches(cardNumber, pattern) {
    if (Array.isArray(pattern)) {
        return matchesRange(cardNumber, pattern[0], pattern[1]);
    }
    return matchesPattern(cardNumber, pattern);
}
exports.matches = matches;