diff options
Diffstat (limited to 'node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js')
-rw-r--r-- | node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js b/node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js new file mode 100644 index 0000000..1ac9b2f --- /dev/null +++ b/node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js @@ -0,0 +1,29 @@ +'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(); + } + }); + }); +} |