lib: refactor tls options handle in https.js

[gengjiawen]

Checklist

• make -j4 test (UNIX), or vcbuild test (Windows) passes
• commit message follows commit guidelines

[lpinca]

@gengjiawen a for loop was not used for performance reasons. See discussion in #16402.

[gengjiawen]

@gengjiawen a for loop was not used for performance reasons. See discussion in #16402.

Looks like 2x diff (Node node: '12.0.0-pre', v8: '7.3.492.25-node.7')

es\arrary-vs-invidual.js mode="Array" n=1000: 263,026.3123632099es\arrary-vs-invidual.js mode="Invidual" n=1000: 469,417.45294090034

Details

'use strict';constcommon=require('../common.js');constconfigs={n: [1e3],mode: ['Array','Invidual']};constbench=common.createBenchmark(main,configs);functionmain({ n, mode }){switch(mode){case'':
// Empty string falls through to next line as default, mostly for tests.case'Array':
bench.start();for(leti=0;i<n;i++)useArray();bench.end(n);break;case'Invidual':
bench.start();for(leti=0;i<n;i++)useInvidual();bench.end(n);break;default:
thrownewError(`Unexpected method "${mode}"`);}}functionuseArray(){letname='';letoptions={};constoptions_keys=['ca','cert','ciphers','clientCertEngine','crl','dhparam','ecdhCurve','honorCipherOrder','key','maxVersion','minVersion','pfx','rejectUnauthorized','secureOptions','secureProtocol','sessionIdContext'];options_keys.forEach((i)=>{name+=':';if(options[i]){name+=options[i];}});name+=':';if(options.servername&&options.servername!==options.host)name+=options.servername;returnname;}functionuseInvidual(){letname='';letoptions={};name+=':';if(options.ca)name+=options.ca;name+=':';if(options.cert)name+=options.cert;name+=':';if(options.clientCertEngine)name+=options.clientCertEngine;name+=':';if(options.ciphers)name+=options.ciphers;name+=':';if(options.key)name+=options.key;name+=':';if(options.pfx)name+=options.pfx;name+=':';if(options.rejectUnauthorized!==undefined)name+=options.rejectUnauthorized;name+=':';if(options.servername&&options.servername!==options.host)name+=options.servername;name+=':';if(options.minVersion)name+=options.minVersion;name+=':';if(options.maxVersion)name+=options.maxVersion;name+=':';if(options.secureProtocol)name+=options.secureProtocol;name+=':';if(options.crl)name+=options.crl;name+=':';if(options.honorCipherOrder!==undefined)name+=options.honorCipherOrder;name+=':';if(options.ecdhCurve)name+=options.ecdhCurve;name+=':';if(options.dhparam)name+=options.dhparam;name+=':';if(options.secureOptions!==undefined)name+=options.secureOptions;name+=':';if(options.sessionIdContext)name+=options.sessionIdContext;returnname;}