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Diffstat (limited to 'lib/internal/concat.js')
-rw-r--r-- | lib/internal/concat.js | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/internal/concat.js b/lib/internal/concat.js new file mode 100644 index 0000000..482ad3a --- /dev/null +++ b/lib/internal/concat.js @@ -0,0 +1,13 @@ +'use strict'; + +export default function concat(eachfn, arr, fn, callback) { + var result = []; + eachfn(arr, function (x, index, cb) { + fn(x, function (err, y) { + result = result.concat(y || []); + cb(err); + }); + }, function (err) { + callback(err, result); + }); +} |