35 lines
573 B
JavaScript
35 lines
573 B
JavaScript
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module.exports = function series(fns, context, callback) {
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if (!callback) {
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if (typeof context === 'function') {
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callback = context
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context = null
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} else {
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callback = noop
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}
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}
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if (!(fns && fns.length)) return callback();
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fns = fns.slice(0)
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var call = context
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? function () {
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fns.length
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? fns.shift().call(context, next)
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: callback()
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}
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: function () {
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fns.length
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? fns.shift()(next)
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: callback()
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}
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call()
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function next(err) {
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err ? callback(err) : call()
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}
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}
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function noop() {}
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