You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

29 lines
796 B

'use strict';
module.exports = asyncForEach;
/**
* Simultaneously processes all items in the given array.
*
* @param {array} array - The array to iterate over
* @param {function} iterator - The function to call for each item in the array
* @param {function} done - The function to call when all iterators have completed
*/
function asyncForEach (array, iterator, done) {
if (array.length === 0) {
// NOTE: Normally a bad idea to mix sync and async, but it's safe here because
// of the way that this method is currently used by DirectoryReader.
done();
return;
}
// Simultaneously process all items in the array.
let pending = array.length;
array.forEach(item => {
iterator(item, () => {
if (--pending === 0) {
done();
}
});
});
}