fs-stats-spys/dist/esm/index.js

Helper for using sinon spys with fs.Stats

function createSpy() {
    function spy(_stats) {
        spy.callCount++;
    }
    spy.callCount = 0;
    return spy;
}
export default function statsSpys() {
    function spys(stats) {
        if (stats.isSymbolicLink()) spys.link(stats);
        else if (stats.isDirectory()) spys.dir(stats);
        else if (stats.isFile()) spys.file(stats);
        spys.callCount++;
    }
    spys.dir = createSpy();
    spys.file = createSpy();
    spys.link = createSpy();
    spys.callCount = 0;
    return spys;
}