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| 'use strict';
|
| /**
| * Check if we're required to add a port number.
| *
| * @see https://url.spec.whatwg.org/#default-port
| * @param {Number|String} port Port number we need to check
| * @param {String} protocol Protocol we need to check against.
| * @returns {Boolean} Is it a default port for the given protocol
| * @api private
| */
| module.exports = function required(port, protocol) {
| protocol = protocol.split(':')[0];
| port = +port;
|
| if (!port) return false;
|
| switch (protocol) {
| case 'http':
| case 'ws':
| return port !== 80;
|
| case 'https':
| case 'wss':
| return port !== 443;
|
| case 'ftp':
| return port !== 21;
|
| case 'gopher':
| return port !== 70;
|
| case 'file':
| return false;
| }
|
| return port !== 0;
| };
|
|
