work.suroh.tk/node_modules/async-each-series/index.js

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2019-12-02 12:22:45 +00:00
module.exports = function (arr, iterator, callback) {
callback = callback || function () {};
if (!Array.isArray(arr) || !arr.length) {
return callback();
}
var completed = 0;
var iterate = function () {
iterator(arr[completed], function (err) {
if (err) {
callback(err);
callback = function () {};
}
else {
++completed;
if (completed >= arr.length) { callback(); }
else { iterate(); }
}
});
};
iterate();
};