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node-red/nodes/core/analysis/72-sentiment.js
2018-01-16 21:43:37 +00:00

24 lines
743 B
JavaScript

module.exports = function(RED) {
"use strict";
var sentiment = require('sentiment');
function SentimentNode(n) {
RED.nodes.createNode(this,n);
this.property = n.property||"payload";
var node = this;
this.on("input", function(msg) {
var value = RED.util.getMessageProperty(msg,node.property);
if (value !== undefined) {
sentiment(value, msg.overrides || null, function (err, result) {
msg.sentiment = result;
node.send(msg);
});
}
else { node.send(msg); } // If no matching property - just pass it on.
});
}
RED.nodes.registerType("sentiment",SentimentNode);
}