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Ensure custom mustache context parent set in Template node

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fixes #1126
This commit is contained in:
Nick O'Leary
2017-01-23 15:34:34 +00:00
parent fd6f7cd881
commit 7759aacb35
2 changed files with 40 additions and 20 deletions
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48
nodes/core/core/80-template.js
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@@ -19,11 +19,11 @@ module.exports = function(RED) {
var mustache = require("mustache");
/**
* Custom Mustache Context capable to resolve message property and node
* flow and global context
* Custom Mustache Context capable to resolve message property and node
* flow and global context
*/
function NodeContext(msg, nodeContext) {
this.msgContext = new mustache.Context(msg);
function NodeContext(msg, nodeContext,parent) {
this.msgContext = new mustache.Context(msg,parent);
this.nodeContext = nodeContext;
}
@@ -31,26 +31,34 @@ module.exports = function(RED) {
NodeContext.prototype.lookup = function (name) {
// try message first:
var value = this.msgContext.lookup(name);
if (value !== undefined) {
return value;
}
// try node context:
var dot = name.indexOf(".");
if (dot > 0) {
var contextName = name.substr(0, dot);
var variableName = name.substr(dot + 1);
if (contextName === "flow" && this.nodeContext.flow) {
return this.nodeContext.flow.get(variableName);
try {
var value = this.msgContext.lookup(name);
if (value !== undefined) {
return value;
}
else if (contextName === "global" && this.nodeContext.global) {
return this.nodeContext.global.get(variableName);
// try node context:
var dot = name.indexOf(".");
if (dot > 0) {
var contextName = name.substr(0, dot);
var variableName = name.substr(dot + 1);
if (contextName === "flow" && this.nodeContext.flow) {
return this.nodeContext.flow.get(variableName);
}
else if (contextName === "global" && this.nodeContext.global) {
return this.nodeContext.global.get(variableName);
}
}
}catch(err) {
throw err;
}
}
NodeContext.prototype.push = function push (view) {
return new NodeContext(view, this.nodeContext,this.msgContext);
};
function TemplateNode(n) {
RED.nodes.createNode(this,n);
this.name = n.name;
@@ -64,7 +72,7 @@ module.exports = function(RED) {
try {
var value;
if (node.syntax === "mustache") {
value = mustache.render(node.template, new NodeContext(msg, node.context()));
value = mustache.render(node.template,new NodeContext(msg, node.context()));
} else {
value = node.template;
}