$ git clone https://github.com/swagger-api/swagger-editor.git
$ cd swagger-editor
$ npm install
$ npm run build
$ npm start -> open the browser : https://localhost:3001

function HTTPIn(n) {
  ...
  this.callback = function(req,res) {
     var msgid = RED.util.generateId();
     res._msgid = msgid;
     if (node.method.match(/^(post|delete|put|options|patch)$/)) {
         node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res),payload:req.body});
     } else if (node.method == "get") {
         node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res),payload:req.query});
+    } else if (node.method == "all")  {
+        if ( req.method.match(/^(POST|DELETE|PUT|OPTIONS|PATCH)$/)) {
+            node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res),payload:req.body});
+        } else if (req.method == "GET") {
+            node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res),payload:req.query});
+        }
    } else { 
        node.send({_msgid:msgid,req:req,res:createResponseWrapper(node,res)});
    }
  };          
  ...        
  if (this.method == "get") {
  ...     
+ } else if (this.method == "all") {
+     RED.httpNode.all(this.url,cookieParser(),...,this.callback,this.errorHandler);
+ } 
  ...
}

  <div class="form-row">
      <label for="node-input-method"><i class="fa fa-tasks"></i>
          <span data-i18n="httpin.label.method"></span></label>
      <select type="text" id="node-input-method" style="width:70%;">
      <option value="get">GET</option>
      <option value="post">POST</option>
      <option value="put">PUT</option>
      <option value="delete">DELETE</option>
      <option value="patch">PATCH</option>
+     <option value="all">ALL</option>
      </select>
  </div>

RED.httpNode.all( "/things/lamp/v1/*" /* <- this.url */ , ..., handler);
 /*  
   /things/lamp/v1       <- will be ignored
  
  The following URL will be accepted.
   /things/lamp/v1/
   /things/lamp/v1/actions
   /things/lamp/v1/properties 
 */

function FunctionNode(n) {
   ...
   var sandbox = {
            console:console,
            util:util,
            Buffer:Buffer,
            Date: Date,
            RED: {
                util: RED.util
            },
+            require : require,
   ...
}

const homeDir = require('os').homedir();
var Datastore = require('nedb');
var db = new Datastore(homeDir+'/actions.db');
db.loadDatabase();

// convert "pending" to "complete" for msg.payload ( <- transacition-id) 
db.update({ href: msg.payload }, { $set: { status: 'complete',timeCompleted : dateStr+' '+timeStr } }, { }, function (err, numReplaced) {
    // Do something if any 
});

    const editor = SwaggerEditorBundle({
 +    url: 'wot.yaml',
      dom_id: '#swagger-editor',
      layout: 'StandaloneLayout',
      presets: [
        SwaggerEditorStandalonePreset
      ]
    })