/*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
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let promise
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module.exports = typeof queueMicrotask === 'function'
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? queueMicrotask.bind(typeof window !== 'undefined' ? window : global)
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// reuse resolved promise, and allocate it lazily
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: cb => (promise || (promise = Promise.resolve()))
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.then(cb)
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.catch(err => setTimeout(() => { throw err }, 0))
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