Revert "lib: repl multiline history support"

This reverts commit dd7a3d2.
PR-URL: #24804
Refs: #24231
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>

Author: BridgeAR

lib/readline.js

@@ -225,7 +225,6 @@ function Interface(input, output, completer, terminal) {
 
 // Current line
 this.line='';
-this.multiline='';
 
 this._setRawMode(true);
 this.terminal=true;
@@ -336,7 +335,6 @@ Interface.prototype._addHistory = function() {
 if(dupIndex!==-1)this.history.splice(dupIndex,1);
 }
 
-this.multiline+=this.line;
 this.history.unshift(this.line);
 
 // Only store so many
@@ -347,29 +345,6 @@ Interface.prototype._addHistory = function() {
 returnthis.history[0];
 };
 
-// Called when a multiline is seen by the repl
-Interface.prototype.undoHistory=function(){
-if(this.terminal){
-this.history.shift();
-}
-};
-
-// If it's a multiline code, then add history
-// accordingly.
-Interface.prototype.multilineHistory=function(){
-// check if we got a multiline code
-if(this.multiline!==''&&this.terminal){
-constdupIndex=this.history.indexOf(this.multiline);
-if(dupIndex!==-1)this.history.splice(dupIndex,1);
-// Remove the last entered line as multiline
-// already contains them.
-this.history.shift();
-this.history.unshift(this.multiline);
-}
-
-// clear the multiline buffer
-this.multiline='';
-};
 
 Interface.prototype._refreshLine=function(){
 // line length

lib/repl.js

@@ -773,7 +773,6 @@ exports.start = function(prompt,
 
 REPLServer.prototype.clearBufferedCommand=functionclearBufferedCommand(){
 this[kBufferedCommandSymbol]='';
-REPLServer.super_.prototype.multilineHistory.call(this);
 };
 
 REPLServer.prototype.close=functionclose(){
@@ -888,7 +887,6 @@ REPLServer.prototype.displayPrompt = function(preserveCursor) {
 constlen=this.lines.level.length ? this.lines.level.length-1 : 0;
 constlevelInd='..'.repeat(len);
 prompt+=levelInd+' ';
-REPLServer.super_.prototype.undoHistory.call(this);
 }
 
 // Do not overwrite `_initialPrompt` here

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

@@ -111,13 +111,6 @@ const tests = [
 test: [UP],
 expected: [prompt,replFailedRead,prompt,replDisabled,prompt]
 },
-{// Tests multiline history
-env: {},
-test: ['{','}',UP,CLEAR],
-expected: [prompt,'{','... ','}','{}\n',
-prompt,`${prompt}{}`,prompt],
-clean: false
-},
 {
 before: functionbefore(){
 if(common.isWindows){