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26 lines
419 B
JavaScript

'use strict';
module.exports = function each(arr, cb, done) {
if (arr.length === 0) {
return done();
}
let remaining = arr.length;
let err = null;
for (const v of arr) {
cb(v, function(_err) {
if (err != null) {
return;
}
if (_err != null) {
err = _err;
return done(err);
}
if (--remaining <= 0) {
return done();
}
});
}
};