42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
|
|
module.exports = function(RED) {
|
|
"use strict";
|
|
var smaz = require('./smaz.js');
|
|
|
|
var smazNode = function(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) {
|
|
if (typeof value === "string") {
|
|
var le = value.length;
|
|
var c = Buffer.from(smaz.compress(value));
|
|
RED.util.setMessageProperty(msg,node.property,c);
|
|
node.status({text:le +" > "+ c.length});
|
|
node.send(msg);
|
|
}
|
|
else if (Buffer.isBuffer(value)) {
|
|
var l = value.length;
|
|
try {
|
|
var u = smaz.decompress(value);
|
|
RED.util.setMessageProperty(msg,node.property,u);
|
|
node.send(msg);
|
|
node.status({text:l +" < "+ u.length});
|
|
}
|
|
catch (e) {
|
|
node.error("Bad decode",value);
|
|
node.status({text:"not a smaz buffer"});
|
|
}
|
|
}
|
|
else {
|
|
node.status({text:"dropped"});
|
|
}
|
|
}
|
|
else { node.warn("No payload found to process"); }
|
|
});
|
|
}
|
|
RED.nodes.registerType("smaz",smazNode);
|
|
}
|