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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/run-parallel/index.js | |
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Diffstat (limited to 'node_modules/run-parallel/index.js')
-rw-r--r-- | node_modules/run-parallel/index.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/node_modules/run-parallel/index.js b/node_modules/run-parallel/index.js new file mode 100644 index 0000000..66cbb44 --- /dev/null +++ b/node_modules/run-parallel/index.js @@ -0,0 +1,49 @@ +/*! run-parallel. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */ +module.exports = runParallel + +function runParallel (tasks, cb) { + var results, pending, keys + var isSync = true + + if (Array.isArray(tasks)) { + results = [] + pending = tasks.length + } else { + keys = Object.keys(tasks) + results = {} + pending = keys.length + } + + function done (err) { + function end () { + if (cb) cb(err, results) + cb = null + } + if (isSync) process.nextTick(end) + else end() + } + + function each (i, err, result) { + results[i] = result + if (--pending === 0 || err) { + done(err) + } + } + + if (!pending) { + // empty + done(null) + } else if (keys) { + // object + keys.forEach(function (key) { + tasks[key](function (err, result) { each(key, err, result) }) + }) + } else { + // array + tasks.forEach(function (task, i) { + task(function (err, result) { each(i, err, result) }) + }) + } + + isSync = false +} |