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(v7.x backport) net: remove an unused internal module assertPort #12850

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(v7.x backport) net: remove an unused internal module assertPort #12850

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net: remove an unused internal module assertPort 
A module `assertPort` in `lib/internal/net.js` is not used anymore.

Refs: #11667
PR-URL: #11812
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
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@watilde
watilde committed May 5, 2017
commit acb77f3affc9d44fc9be5bde2ed6b2a81ad3f2cd
10 changes: 3 additions & 7 deletions lib/internal/net.js
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Original file line number Diff line number Diff line change
@@ -1,7 +1,5 @@
'use strict';

module.exports = { isLegalPort, assertPort };

// Check that the port number is not NaN when coerced to a number,
// is an integer and that it falls within the legal range of port numbers.
function isLegalPort(port) {
Expand All @@ -11,8 +9,6 @@ function isLegalPort(port) {
return +port === (+port >>> 0) && port <= 0xFFFF;
}


function assertPort(port) {
if (typeof port !== 'undefined' && !isLegalPort(port))
throw new RangeError('"port" argument must be >= 0 and < 65536');
}
module.exports = {
isLegalPort
};