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Use index instead of shit to avoid changing input #1

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Use index instead of shit to avoid changing input #1

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fc7ffe5
Use index instead of shit to avoid changing input
ruifortes Dec 13, 2017
f32e7a6
fix iteration order
ruifortes Dec 13, 2017
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8 changes: 4 additions & 4 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,13 +1,13 @@
module.exports = function flatmap (fn) {
var queue = []
var queue = [], i
return function (read) {
return function again (abort, cb) {
if(abort) return read(abort, cb)
if(queue.length) return cb(null, queue.shift())

if(abort) return read(abort, cb)
if(i < queue.length) return cb(null, queue[i++])
read(null, function (err, data) {
if(err) return cb(err)
queue = fn(data)
i = 0
again(null, cb) //cb or read again if queue is empty.
})
}
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