@extra-array/is-suffix/index.mjs

Checks if array ends with a suffix.

import compare from './compare';
/**
 * Checks if array ends with a suffix.
 * @param x an array
 * @param y suffix?
 * @param fc compare function (a, b)
 * @param fm map function (v, i, x)
 */
function isSuffix(x, y, fc = null, fm = null) {
    var Y = y.length;
    return Y === 0 || compare(x.slice(-Y), y, fc, fm) === 0;
}
export default isSuffix;
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