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author | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-05-03 15:35:00 +0200 |
commit | de98e0b232509d5f40c135d540a70e415272ff85 (patch) | |
tree | a79222a5b58484ab3b80d18efcaaa7ccc4769b33 /node_modules/async-each/index.js | |
parent | e0c9d480a73fa629c1e4a47d3e721f1d2d345406 (diff) | |
download | wallet-core-de98e0b232509d5f40c135d540a70e415272ff85.tar.xz |
node_modules
Diffstat (limited to 'node_modules/async-each/index.js')
-rw-r--r-- | node_modules/async-each/index.js | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/node_modules/async-each/index.js b/node_modules/async-each/index.js new file mode 100644 index 000000000..1c51c9588 --- /dev/null +++ b/node_modules/async-each/index.js @@ -0,0 +1,38 @@ +// async-each MIT license (by Paul Miller from http://paulmillr.com). +(function(globals) { + 'use strict'; + var each = function(items, next, callback) { + if (!Array.isArray(items)) throw new TypeError('each() expects array as first argument'); + if (typeof next !== 'function') throw new TypeError('each() expects function as second argument'); + if (typeof callback !== 'function') callback = Function.prototype; // no-op + + if (items.length === 0) return callback(undefined, items); + + var transformed = new Array(items.length); + var count = 0; + var returned = false; + + items.forEach(function(item, index) { + next(item, function(error, transformedItem) { + if (returned) return; + if (error) { + returned = true; + return callback(error); + } + transformed[index] = transformedItem; + count += 1; + if (count === items.length) return callback(undefined, transformed); + }); + }); + }; + + if (typeof define !== 'undefined' && define.amd) { + define([], function() { + return each; + }); // RequireJS + } else if (typeof module !== 'undefined' && module.exports) { + module.exports = each; // CommonJS + } else { + globals.asyncEach = each; // <script> + } +})(this); |