repl: preserve preview on ESCAPE key press

Fix: #46876
PR-URL: #46878Fixes: #46876
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>

Author: meixg

lib/internal/repl/utils.js

@@ -363,7 +363,7 @@ function setupPreview(repl, contextSymbol, bufferSymbol, active) {
 },()=>callback(newERR_INSPECTOR_NOT_AVAILABLE()));
 }
 
-constshowPreview=()=>{
+constshowPreview=(showCompletion=true)=>{
 // Prevent duplicated previews after a refresh.
 if(inputPreview!==null||!repl.isCompletionEnabled){
 return;
@@ -379,8 +379,10 @@ function setupPreview(repl, contextSymbol, bufferSymbol, active) {
 hasCompletions=false;
 
 // Add the autocompletion preview.
-constinsertPreview=false;
-showCompletionPreview(repl.line,insertPreview);
+if(showCompletion){
+constinsertPreview=false;
+showCompletionPreview(repl.line,insertPreview);
+}
 
 // Do not preview if the command is buffered.
 if(repl[bufferSymbol]){

lib/repl.js

@@ -995,9 +995,8 @@ function REPLServer(prompt,
 clearPreview(key);
 if(!reverseSearch(d,key)){
 ttyWrite(d,key);
-if(key.name!=='escape'){
-showPreview();
-}
+constshowCompletionPreview=key.name!=='escape';
+showPreview(showCompletionPreview);
 }
 return;
 }

test/parallel/test-repl-history-navigation.js

@@ -614,6 +614,24 @@ const tests = [
 ],
 clean: false
 },
+{
+// Test that preview should not be removed when pressing ESCAPE key
+env: {NODE_REPL_HISTORY: defaultHistoryPath},
+skip: !process.features.inspector,
+test: [
+'1+1',
+ESCAPE,
+ENTER,
+],
+expected: [
+prompt, ...'1+1',
+'\n// 2',
+'\n// 2',
+'2\n',
+prompt,
+],
+clean: false
+},
 ];
 constnumtests=tests.length;