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: / var / canvas / node_modules / thunky /

Filename : promise.js

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module.exports = thunkyp

function thunkyp (fn) {
  let running = null

  return ready

  function ready () {
    if (running) return running
    const p = fn()
    if (!(p instanceof Promise)) running = Promise.resolve(p)
    else running = p
    running.catch(onerror)
    return running
  }

  function onerror () {
    running = null
  }
}