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Diffstat (limited to 'lib/transform.js')
-rw-r--r-- | lib/transform.js | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/transform.js b/lib/transform.js new file mode 100644 index 0000000..3dddae8 --- /dev/null +++ b/lib/transform.js @@ -0,0 +1,19 @@ +'use strict'; + +import isArray from 'lodash/isArray'; + +import eachOf from './eachOf'; + +export default function transform (arr, memo, iterator, callback) { + if (arguments.length === 3) { + callback = iterator; + iterator = memo; + memo = isArray(arr) ? [] : {}; + } + + eachOf(arr, function(v, k, cb) { + iterator(memo, v, k, cb); + }, function(err) { + callback(err, memo); + }); +} |