node-red/nodes/core/80-template.js

42 lines
1.2 KiB
JavaScript

/**
* Copyright 2013 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
var RED = require("../../red/red");
var mustache = require("mustache");
var util = require("util");
var fs = require('fs');
function TemplateNode(n) {
RED.nodes.createNode(this,n);
this.name = n.name;
this.template = n.template;
this.on("input", function(msg) {
if (msg != null) {
try {
msg.payload = mustache.render(this.template,msg)
this.send(msg);
} catch(err) {
this.error(err.message);
}
}
});
}
RED.nodes.registerType("template",TemplateNode);
RED.library.register("templates");