File: //usr/share/node_modules/function-loop/index.js
// this weird little engine is to loop if the functions keep
// returning synchronously, since that's faster and makes shallower
// stack traces, but await and recurse if any of them return a Promise
const loop = (self, arr, cb, onerr, i = 0) => {
while (i < arr.length) {
const fn = arr[i]
let ret = null
try {
ret = fn.call(self)
} catch (er) {
return onerr.call(self, er)
}
i++
if (ret && typeof ret.then === 'function')
return ret.then(() => loop(self, arr, cb, onerr, i), onerr.bind(self))
}
return cb.call(self)
}
module.exports = loop