Useful helper functions for JavaScript
A
const pluckDeep = key => obj => key.split('.').reduce((acc, key) => acc[key], obj);
const compose = (...fns) =>
res => fns.reduce((accum, next) => next(accum), res);
const unfold = (f, seed) => {
const go = (f, seed, acc) => {
const res = f(seed);
return res ? go(f, res[1], acc.concat([res[0]])) : acc;
}
return go(f, seed, []);
}
@dev_drprasad
A