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24 lines
706 B
24 lines
706 B
"use strict"; |
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var ensurePlainFunction = require("../../../object/ensure-plain-function") |
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, isThenable = require("../../../object/is-thenable") |
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, ensureThenable = require("../../../object/ensure-thenable"); |
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var resolveCallback = function (callback, next) { |
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var callbackResult = callback(); |
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if (!isThenable(callbackResult)) return next(); |
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return callbackResult.then(next); |
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}; |
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module.exports = function (callback) { |
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ensureThenable(this); |
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ensurePlainFunction(callback); |
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return this.then( |
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function (result) { |
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return resolveCallback(callback, function () { return result; }); |
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}, |
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function (error) { |
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return resolveCallback(callback, function () { throw error; }); |
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} |
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); |
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};
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