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18 lines
495 B
18 lines
495 B
const promiseToCallback = require('promise-to-callback')
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const noop = function () {}
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module.exports = function nodeify (fn, context) {
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return function () {
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const args = [].slice.call(arguments)
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const lastArg = args[args.length - 1]
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const lastArgIsCallback = typeof lastArg === 'function'
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let callback
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if (lastArgIsCallback) {
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callback = lastArg
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args.pop()
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} else {
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callback = noop
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}
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promiseToCallback(fn.apply(context, args))(callback)
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}
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}
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