lib: remove v8_prof_polyfill from eslint ignore list

PR-URL: #36537
Reviewed-By: Rich Trott <rtrott@gmail.com>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

Author: aduh95

.eslintignore

@@ -1,5 +1,4 @@
 node_modules
-lib/internal/v8_prof_polyfill.js
 lib/punycode.js
 test/addons/??_*
 test/fixtures

lib/internal/v8_prof_polyfill.js

@@ -25,7 +25,10 @@
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-/* eslint-disable no-restricted-globals */
+'use strict';
+
+/* eslint-disable node-core/prefer-primordials */
+/* global Buffer, console */
 
 module.exports={ versionCheck };
 
@@ -37,7 +40,7 @@ if (module.id === 'internal/v8_prof_polyfill') return;
 // Node polyfill
 constfs=require('fs');
 constcp=require('child_process');
-constos={
+constos={// eslint-disable-line no-unused-vars
 system: function(name,args){
 if(process.platform==='linux'&&name==='nm'){
 // Filter out vdso and vsyscall entries.
@@ -51,28 +54,29 @@ const os = {
 letout=cp.spawnSync(name,args).stdout.toString();
 // Auto c++filt names, but not [iItT]
 if(process.platform==='darwin'&&name==='nm'){
-// nm prints an error along the lines of "Run xcodebuild -license" and
+// `nm` prints an error along the lines of "Run xcodebuild -license" and
 // exits when Xcode hasn't been properly installed or when its license
 // hasn't been accepted yet. Basically any mention of xcodebuild in
 // the output means the nm command is non-functional.
 constmatch=out.match(/(?:^|\n)([^\n]*xcodebuild[^\n]*)(?:\n|$)/);
+// eslint-disable-next-line no-restricted-syntax
 if(match)thrownewError(match[1]);
 out=macCppfiltNm(out);
 }
 returnout;
 }
 };
-constprint=console.log;
-functionread(fileName){
+constprint=console.log;// eslint-disable-line no-unused-vars
+functionread(fileName){// eslint-disable-line no-unused-vars
 returnfs.readFileSync(fileName,'utf8');
 }
-constquit=process.exit;
+constquit=process.exit;// eslint-disable-line no-unused-vars
 
 // Polyfill "readline()".
-constlogFile=arguments[arguments.length-1];
+constlogFile=arguments[arguments.length-1];// eslint-disable-line no-undef
 try{
 fs.accessSync(logFile);
-}catch(e){
+}catch{
 console.error('Please provide a valid isolate file as the final argument.');
 process.exit(1);
 }
@@ -121,8 +125,8 @@ function versionCheck(firstLine, expected) {
 // whereas process.versions.v8 is either "$major.$minor.$build-$embedder" or
 // "$major.$minor.$build.$patch-$embedder".
 firstLine=firstLine.split(',');
-constcurVer=expected.split(/[.\-]/);
-if(firstLine.length!==6&&firstLine.length!==7||
+constcurVer=expected.split(/[.-]/);
+if((firstLine.length!==6&&firstLine.length!==7)||
 firstLine[0]!=='v8-version'){
 return'Unable to read v8-version from log file.';
 }
@@ -140,13 +144,11 @@ function macCppfiltNm(out) {
 if(entries===null)
 returnout;
 
-entries=entries.map((entry)=>{
-returnentry.replace(CLEAN_RE,'')
-});
+entries=entries.map((entry)=>entry.replace(CLEAN_RE,''));
 
 letfiltered;
 try{
-filtered=cp.spawnSync('c++filt',['-p','-i'],{
+filtered=cp.spawnSync('c++filt',['-p','-i'],{
 input: entries.join('\n')
 }).stdout.toString();
 }catch{