frodovdr/node-red
1
0
Fork 0
mirror of https://github.com/node-red/node-red.git synced 2025-03-01 10:36:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add option to JSON node to ensure particular encoding

Browse Source
This commit is contained in:
Nick O'Leary
2018-01-14 23:19:01 +00:00
parent d701c406e2
commit dd23e03342
4 changed files with 180 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
nodes/core/parsers/70-JSON.js
View File

@@ -20,29 +20,40 @@ module.exports = function(RED) {
function JSONNode(n) {
RED.nodes.createNode(this,n);
this.indent = n.pretty ? 4 : 0;
this.action = n.action||"";
this.property = n.property||"payload";
var node = this;
this.on("input", function(msg) {
if (msg.hasOwnProperty("payload")) {
if (typeof msg.payload === "string") {
try {
msg.payload = JSON.parse(msg.payload);
node.send(msg);
}
catch(e) { node.error(e.message,msg); }
}
else if (typeof msg.payload === "object") {
if (!Buffer.isBuffer(msg.payload)) {
var value = RED.util.getMessageProperty(msg,node.property);
if (value !== undefined) {
if (typeof value === "string") {
if (node.action === "" || node.action === "obj") {
try {
msg.payload = JSON.stringify(msg.payload,null,node.indent);
RED.util.setMessageProperty(msg,node.property,JSON.parse(value));
node.send(msg);
}
catch(e) { node.error(RED._("json.errors.dropped-error")); }
catch(e) { node.error(e.message,msg); }
} else {
node.send(msg);
}
}
else if (typeof value === "object") {
if (node.action === "" || node.action === "str") {
if (!Buffer.isBuffer(value)) {
try {
RED.util.setMessageProperty(msg,node.property,JSON.stringify(value,null,node.indent));
node.send(msg);
}
catch(e) { node.error(RED._("json.errors.dropped-error")); }
}
else { node.warn(RED._("json.errors.dropped-object")); }
} else {
node.send(msg);
}
else { node.warn(RED._("json.errors.dropped-object")); }
}
else { node.warn(RED._("json.errors.dropped")); }
}
else { node.send(msg); } // If no payload - just pass it on.
else { node.send(msg); } // If no property - just pass it on.
});
}
RED.nodes.registerType("json",JSONNode);