| 1 | // loop keep calling promise sequenctially until the promise resolve a false value
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| 2 | module.exports = function loop (promise) {
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| 3 | var out = promise()
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| 4 | if (!out.then) {
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| 5 | var saveout = out
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| 6 | out = {
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| 7 | then: function (f) {
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| 8 | f(saveout)
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| 9 | },
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| 10 | }
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| 11 | }
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| 12 | return out.then(function (cont) {
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| 13 | if (!cont) return Promise.resolve()
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| 14 | return loop(promise)
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| 15 | })
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| 16 | }
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