mirror of https://github.com/node-red/node-red.git
42 lines
1.6 KiB
JavaScript
42 lines
1.6 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var yaml = require('js-yaml');
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function YAMLNode(n) {
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RED.nodes.createNode(this,n);
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this.property = n.property||"payload";
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var node = this;
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this.on("input", function(msg,send,done) {
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var value = RED.util.getMessageProperty(msg,node.property);
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if (value !== undefined) {
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if (typeof value === "string") {
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try {
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value = yaml.load(value);
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RED.util.setMessageProperty(msg,node.property,value);
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send(msg);
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done();
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}
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catch(e) { done(e.message); }
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}
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else if (typeof value === "object") {
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if (!Buffer.isBuffer(value)) {
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try {
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value = yaml.dump(value);
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RED.util.setMessageProperty(msg,node.property,value);
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send(msg);
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done();
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}
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catch(e) {
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done(RED._("yaml.errors.dropped-error"));
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}
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}
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else { node.warn(RED._("yaml.errors.dropped-object")); done(); }
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}
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else { node.warn(RED._("yaml.errors.dropped")); done(); }
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}
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else { send(msg); done(); } // If no payload - just pass it on.
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});
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}
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RED.nodes.registerType("yaml",YAMLNode);
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};
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