@ezdevlol/memfs/lib/crud-to-cas/util.js

In-memory file-system with Node's fs API.

export const hashToLocation = (hash) => {
    if (hash.length < 20)
        throw new TypeError('Hash is too short');
    const lastTwo = hash.slice(-2);
    const twoBeforeLastTwo = hash.slice(-4, -2);
    const folder = [lastTwo, twoBeforeLastTwo];
    return [folder, hash];
};