git ssb

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const freeport = require('freeport');
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/**
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 * @function findFreePort
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 * @description Returns a free port to start a server
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 * @return {Promise<Number>} A free port
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 */
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module.exports.findFreePort = () =>
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  new Promise((resolve, reject) => {
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    return freeport((err, port) => {
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      if (err) {
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        return reject(err);
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      }
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      return resolve(port);
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    });
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  });