Iniital Toon node

parsers/toon/LICENSE

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+Copyright 2025 JS Foundation and other contributors, https://js.foundation/
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

parsers/toon/README.md

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+node-red-node-toon
+====================
+
+A <a href="http://nodered.org" target="_new">Node-RED</a> node to encode and decode objects to TOON format strings.
+
+
+Install
+-------
+
+Run the following command in your Node-RED user directory - typically `~/.node-red`
+
+    npm i node-red-node-toon
+
+Usage
+-----
+
+A function that converts the `msg.payload` object to and from TOON format.
+
+If the input is an object it converts it to a TOON encoded string.
+
+If the input is a TOON encoded string it tries to convert it back to an object.

parsers/toon/package.json

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+{
+    "name"          : "node-red-node-toon",
+    "version"       : "1.0.0",
+    "description"   : "A Node-RED node to encode and decode objects to TOON format strings",
+    "dependencies"  : {
+        "@toon-format/toon": "^1.3.0"
+    },
+    "bundledDependencies": [ "@toon-format/toon" ],
+    "repository" : {
+        "type":"git",
+        "url":"https://github.com/node-red/node-red-nodes.git",
+        "directory": "/tree/master/parsers/toon"
+    },
+    "license": "Apache-2.0",
+    "keywords": [ "node-red", "toon" ],
+    "node-red"      : {
+        "nodes"     : {
+            "toon": "toon.js"
+        }
+    },
+    "author": {
+        "name": "Dave Conway-Jones",
+        "email": "dceejay@gmail.com",
+        "url": "http://nodered.org"
+    }
+}

parsers/toon/toon.html

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+
+<script type="text/html" data-template-name="toon">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> <span data-i18n="node-red:common.label.name"></span></label>
+        <input type="text" id="node-input-name" data-i18n="[placeholder]node-red:common.label.name">
+    </div>
+    <div class="form-row">
+        <label for="node-input-property"><i class="fa fa-ellipsis-h"></i> <span data-i18n="node-red:common.label.property"></span></label>
+        <input type="text" id="node-input-property" style="width:70%;"/>
+    </div>
+</script>
+
+<script type="text/javascript">
+    RED.nodes.registerType('toon',{
+        category: 'parser',
+        color:"#DEBD5C",
+        defaults: {
+            name: {value:""},
+            property: {value:"payload",required:true}
+        },
+        inputs:1,
+        outputs:1,
+        icon: "parser-toon.png",
+        label: function() {
+            return this.name||"toon";
+        },
+        labelStyle: function() {
+            return this.name?"node_label_italic":"";
+        },
+        oneditprepare: function() {
+            if (this.property === undefined) {
+                $("#node-input-property").val("payload");
+            }
+            $("#node-input-property").typedInput({default:'msg',types:['msg']});
+        }
+    });
+</script>
+
+<script type="text/html" data-help-name="toon">
+    <p>A function that converts the chosen property (default <code>msg.payload</code>) to and from TOON format.</p>
+    <p>If the input is an object it converts it to a TOON encoded string.</p>
+    <p>If the input is a TOON encoded string it tries to convert it back to an object.</p>
+</script>

parsers/toon/toon.js

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+
+module.exports = function(RED) {
+    "use strict";
+
+    const toonlib = require("@toon-format/toon")
+
+    function ToonNode(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") {
+                    // Take json object and make into a toon string
+                    try {
+                        value = toonlib.encode(value);
+                        RED.util.setMessageProperty(msg,node.property,value);
+                        node.send(msg);
+                    }
+                    catch(err) {
+                        node.error("Failed to encode: "+err.message,msg);
+                    }
+                }
+                else if (typeof value === "string") {
+                    // Take toon string and make into json object
+                    try {
+                        value = toonlib.decode(value)
+                        RED.util.setMessageProperty(msg,node.property,value)
+                        node.send(msg)
+                    }
+                    catch(err) {
+                        node.error("Invalid TOON string: "+err.message,msg);
+                    }
+                }
+                else {
+                    node.warn("Cannot handle this type of input");
+                }
+            }
+            else {
+                node.warn("No property found to process");
+            }
+        });
+    }
+    RED.nodes.registerType("toon",ToonNode);
+}