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26 lines
663 B
JavaScript
26 lines
663 B
JavaScript
'use strict';
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const Promise = require("bluebird");
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const net = require("net");
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const defaultValue = require("default-value");
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module.exports = function waitForServer(port, options = {}) {
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return new Promise((resolve, reject) => {
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function check() {
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let sock = new net.Socket();
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sock.setTimeout(defaultValue(options.timeout, 50));
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sock
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.on("connect", () => {
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resolve();
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sock.destroy();
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})
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.on("timeout", check)
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.on("error", check)
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.connect(port);
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}
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return check();
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});
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};
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