util: remove style caches from styleText slow path

Signed-off-by: Guilherme Araújo <arauujogui@gmail.com>
PR-URL: #63706
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Gürgün Dayıoğlu <hey@gurgun.day>

Author: araujogui

lib/util.js

@@ -129,21 +129,24 @@ function getHexStyleCache() {
 returnhexStyleCache;
 }
 
+functioncodesToStyle(codes){
+constopenNum=codes[0];
+return{
+__proto__: null,
+openSeq: kEscape+openNum+kEscapeEnd,
+closeSeq: kEscape+codes[1]+kEscapeEnd,
+keepClose: openNum===kDimCode||openNum===kBoldCode,
+};
+}
+
 functiongetStyleCache(){
 if(styleCache===undefined){
 styleCache={__proto__: null};
 constcolors=inspect.colors;
 for(constkeyofObjectGetOwnPropertyNames(colors)){
 constcodes=colors[key];
 if(codes){
-constopenNum=codes[0];
-constcloseNum=codes[1];
-styleCache[key]={
-__proto__: null,
-openSeq: kEscape+openNum+kEscapeEnd,
-closeSeq: kEscape+closeNum+kEscapeEnd,
-keepClose: openNum===kDimCode||openNum===kBoldCode,
-};
+styleCache[key]=codesToStyle(codes);
 }
 }
 }
@@ -241,10 +244,10 @@ function rgbToAnsi24Bit(r, g, b) {
  */
 functionstyleText(format,text,options){
 constvalidateStream=options?.validateStream??true;
-constcache=getStyleCache();
 
 // Fast path: single format string with validateStream=false
 if(!validateStream&&typeofformat==='string'&&typeoftext==='string'){
+constcache=getStyleCache();
 if(format==='none')returntext;
 conststyle=cache[format];
 if(style!==undefined){
@@ -284,6 +287,7 @@ function styleText(format, text, options) {
 }
 
 constformatArray=ArrayIsArray(format) ? format : [format];
+constcolors=inspect.colors;
 
 letopenCodes='';
 letcloseCodes='';
@@ -293,30 +297,27 @@ function styleText(format, text, options) {
 if(key==='none')continue;
 
 if(typeofkey==='string'&&key[0]==='#'){
-lethexStyle=getHexStyleCache().get(key);
-if(hexStyle===undefined){
-if(RegExpPrototypeExec(hexColorRegExp,key)===null){
-thrownewERR_INVALID_ARG_VALUE('format',key,
-'must be a valid hex color (#RGB or #RRGGBB)');
-}
-if(skipColorize)continue;
-hexStyle=getHexStyle(key);
-}elseif(skipColorize){
-continue;
+if(RegExpPrototypeExec(hexColorRegExp,key)===null){
+thrownewERR_INVALID_ARG_VALUE('format',key,
+'must be a valid hex color (#RGB or #RRGGBB)');
 }
-openCodes+=hexStyle.openSeq;
-closeCodes=hexStyle.closeSeq+closeCodes;
-processedText=replaceCloseCode(processedText,hexStyle.closeSeq,hexStyle.openSeq,false);
+if(skipColorize)continue;
+const{0: r,1: g,2: b}=hexToRgb(key);
+consthexOpenSeq=kEscape+rgbToAnsi24Bit(r,g,b)+kEscapeEnd;
+openCodes+=hexOpenSeq;
+closeCodes=kHexCloseSeq+closeCodes;
+processedText=replaceCloseCode(processedText,kHexCloseSeq,hexOpenSeq,false);
 continue;
 }
 
-conststyle=cache[key];
-if(style===undefined){
+constcodes=colors[key];
+if(!codes){
 validateOneOf(key,'format',ObjectGetOwnPropertyNames(inspect.colors));
 }
-openCodes+=style.openSeq;
-closeCodes=style.closeSeq+closeCodes;
-processedText=replaceCloseCode(processedText,style.closeSeq,style.openSeq,style.keepClose);
+const{ openSeq, closeSeq, keepClose }=codesToStyle(codes);
+openCodes+=openSeq;
+closeCodes=closeSeq+closeCodes;
+processedText=replaceCloseCode(processedText,closeSeq,openSeq,keepClose);
 }
 
 if(skipColorize)returntext;