tty: refactor to use more primordials

PR-URL: #36272 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Rich Trott <[email protected]>

Author: Lxxyx

lib/internal/tty.js

@@ -22,6 +22,12 @@
 
 'use strict';
 
+const{
+ RegExpPrototypeTest,
+ StringPrototypeSplit,
+ StringPrototypeToLowerCase,
+}=primordials;
+
 const{
 ERR_INVALID_ARG_TYPE,
 ERR_OUT_OF_RANGE
@@ -134,7 +140,7 @@ function getColorDepth(env = process.env){
 // Lazy load for startup performance.
 if(OSRelease===undefined){
 const{ release }=require('os');
-OSRelease=release().split('.');
+OSRelease=StringPrototypeSplit(release(),'.');
 }
 // Windows 10 build 10586 is the first Windows release that supports 256
 // colors. Windows 10 build 14931 is the first release that supports
@@ -163,14 +169,15 @@ function getColorDepth(env = process.env){
 }
 
 if('TEAMCITY_VERSION'inenv){
-return/^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/.test(env.TEAMCITY_VERSION) ?
+returnRegExpPrototypeTest(/^(9\.(0*[1-9]\d*)\.|\d{2,}\.)/,env.TEAMCITY_VERSION) ?
 COLORS_16 : COLORS_2;
 }
 
 switch(env.TERM_PROGRAM){
 case'iTerm.app':
 if(!env.TERM_PROGRAM_VERSION||
-/^[0-2]\./.test(env.TERM_PROGRAM_VERSION)){
+RegExpPrototypeTest(/^[0-2]\./,env.TERM_PROGRAM_VERSION)
+){
 returnCOLORS_256;
 }
 returnCOLORS_16m;
@@ -186,16 +193,17 @@ function getColorDepth(env = process.env){
 }
 
 if(env.TERM){
-if(/^xterm-256/.test(env.TERM))
+if(RegExpPrototypeTest(/^xterm-256/,env.TERM)){
 returnCOLORS_256;
+}
 
-consttermEnv=env.TERM.toLowerCase();
+consttermEnv=StringPrototypeToLowerCase(env.TERM);
 
 if(TERM_ENVS[termEnv]){
 returnTERM_ENVS[termEnv];
 }
 for(consttermofTERM_ENVS_REG_EXP){
-if(term.test(termEnv)){
+if(RegExpPrototypeTest(term,termEnv)){
 returnCOLORS_16;
 }
 }