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50 lines
1.3 KiB
50 lines
1.3 KiB
'use strict'; |
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var debug = function() {}; |
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if (process.env.NODE_ENV !== 'production') { |
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debug = require('debug')('sockjs-client:utils:transport'); |
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} |
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module.exports = function(availableTransports) { |
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return { |
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filterToEnabled: function(transportsWhitelist, info) { |
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var transports = { |
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main: [] |
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, facade: [] |
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}; |
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if (!transportsWhitelist) { |
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transportsWhitelist = []; |
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} else if (typeof transportsWhitelist === 'string') { |
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transportsWhitelist = [transportsWhitelist]; |
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} |
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availableTransports.forEach(function(trans) { |
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if (!trans) { |
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return; |
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} |
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if (trans.transportName === 'websocket' && info.websocket === false) { |
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debug('disabled from server', 'websocket'); |
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return; |
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} |
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if (transportsWhitelist.length && |
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transportsWhitelist.indexOf(trans.transportName) === -1) { |
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debug('not in whitelist', trans.transportName); |
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return; |
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} |
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if (trans.enabled(info)) { |
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debug('enabled', trans.transportName); |
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transports.main.push(trans); |
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if (trans.facadeTransport) { |
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transports.facade.push(trans.facadeTransport); |
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} |
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} else { |
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debug('disabled', trans.transportName); |
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} |
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}); |
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return transports; |
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} |
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}; |
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};
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