From 26105034da4fcce7ac883c899d781f016559310d Mon Sep 17 00:00:00 2001 From: ruki Date: Thu, 8 Nov 2018 00:38:48 +0800 Subject: switch to vuepress --- .../@mrmlnc/readdir-enhanced/lib/async/for-each.js | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js (limited to 'node_modules/@mrmlnc/readdir-enhanced/lib/async/for-each.js') 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 00000000..1ac9b2fe --- /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(); + } + }); + }); +} -- cgit v1.2.3