From effff3405b0a6d32d96c765d9be61855d4bf74c6 Mon Sep 17 00:00:00 2001
From: dxdc <dan@element26.net>
Date: Wed, 27 May 2020 23:26:57 -0500
Subject: [PATCH] Add support for moment in jsonata expressions, based on
 elasticio/jsonata-moment

---
 packages/node_modules/@node-red/util/lib/util.js | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/packages/node_modules/@node-red/util/lib/util.js b/packages/node_modules/@node-red/util/lib/util.js
index 059eedc97..37848ed33 100644
--- a/packages/node_modules/@node-red/util/lib/util.js
+++ b/packages/node_modules/@node-red/util/lib/util.js
@@ -22,6 +22,7 @@
 
 const clone = require("clone");
 const jsonata = require("jsonata");
+const moment = require("moment");
 const safeJSONStringify = require("json-stringify-safe");
 const util = require("util");
 
@@ -558,10 +559,10 @@ function evaluateNodeProperty(value, type, node, msg, callback) {
  */
 function prepareJSONataExpression(value,node) {
     var expr = jsonata(value);
-    expr.assign('flowContext',function(val, store) {
+    expr.assign('flowContext', function(val, store) {
         return node.context().flow.get(val, store);
     });
-    expr.assign('globalContext',function(val, store) {
+    expr.assign('globalContext', function(val, store) {
         return node.context().global.get(val, store);
     });
     expr.assign('env', function(name) {
@@ -569,9 +570,12 @@ function prepareJSONataExpression(value,node) {
         if (typeof val !== 'undefined') {
             return val;
         } else {
-            return ""
+            return "";
         }
-    })
+    });
+    expr.assign('moment', function(arg1, arg2, arg3, arg4) {
+        return moment(arg1, arg2, arg3, arg4);
+    });
     expr.registerFunction('clone', cloneMessage, '<(oa)-:o>');
     expr._legacyMode = /(^|[^a-zA-Z0-9_'"])msg([^a-zA-Z0-9_'"]|$)/.test(value);
     expr._node = node;