mirror of
https://github.com/node-red/node-red.git
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2fe859b111
NLS exec node NLS function/temple/delay nodes NLS function/template/delay/trigger/comment nodes NLS io nodes (mqtt/httpin/websocket/watch/serial) NLS messages.json for tcpin NLS io nodes (tcpin & udp half) NLS io nodes (udp) NLS logic nodes (switch/change) NLS logic (range) and parsers (csv&html) nodes NLS parser nodes (json/xml) NLS test case update for logic/parsers NLS analysis and hardware nodes NLS storage nodes (file/redisout/mongodb) and test NLS storage node (tail) NLS social nodes (feedparse/email/irc) NLS socal node (twitter half change) NLS social node (twitter) and core node (unknown)
47 lines
1.7 KiB
JavaScript
47 lines
1.7 KiB
JavaScript
/**
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* Copyright 2014 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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module.exports = function(RED) {
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"use strict";
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var util = require("util");
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function JSONNode(n) {
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RED.nodes.createNode(this,n);
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var node = this;
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this.on("input", function(msg) {
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if (msg.hasOwnProperty("payload")) {
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if (typeof msg.payload === "string") {
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try {
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msg.payload = JSON.parse(msg.payload);
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node.send(msg);
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}
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catch(e) { node.error(e.message,msg); }
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}
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else if (typeof msg.payload === "object") {
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if ((!Buffer.isBuffer(msg.payload)) && (!util.isArray(msg.payload))) {
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msg.payload = JSON.stringify(msg.payload);
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node.send(msg);
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}
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else { node.warn(RED._("json.errors.dropped")+": "+msg.payload); }
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}
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else { node.warn(RED._("json.errors.dropped")+": "+msg.payload); }
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}
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else { node.send(msg); } // If no payload - just pass it on.
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});
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}
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RED.nodes.registerType("json",JSONNode);
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}
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