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62e96096fa
Switch to using the more efficient module.exports = {}
where possible.
PR-URL: https://github.com/nodejs/node/pull/11406
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
22 lines
594 B
JavaScript
22 lines
594 B
JavaScript
'use strict';
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// Check that the port number is not NaN when coerced to a number,
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// is an integer and that it falls within the legal range of port numbers.
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function isLegalPort(port) {
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if ((typeof port !== 'number' && typeof port !== 'string') ||
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(typeof port === 'string' && port.trim().length === 0))
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return false;
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return +port === (+port >>> 0) && port <= 0xFFFF;
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}
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function assertPort(port) {
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if (typeof port !== 'undefined' && !isLegalPort(port))
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throw new RangeError('"port" argument must be >= 0 and < 65536');
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}
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module.exports = {
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isLegalPort,
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assertPort
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};
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