initial commit

src/nodes/lower-case/html/editor.html

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+<script type="text/html" data-template-name="lower-case">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+</script>

src/nodes/lower-case/html/help.html

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+<script type="text/html" data-help-name="lower-case">
+    <p>A simple node that converts the message payloads into all lower-case characters</p>
+</script>

src/nodes/lower-case/html/index.ts

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+import { EditorNodeProperties, EditorRED } from "node-red";
+import { LowerCaseProps } from "../types";
+
+declare const RED: EditorRED;
+
+interface LowerCaseEditorProps extends EditorNodeProperties, LowerCaseProps { }
+
+RED.nodes.registerType<LowerCaseEditorProps>("lower-case", {
+  category: "function",
+  color: "#a6bbcf",
+  defaults: {
+    name: { value: "" },
+    testoConfig: { value: "Value", required: false }
+  },
+  inputs: 1,
+  outputs: 1,
+  icon: "transform-text.png",
+  paletteLabel: "To lower case",
+  label: function () {
+    return this.name || "lower-case";
+  },
+});

src/nodes/lower-case/lower-case.html

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+<script type="text/javascript">
+    RED.nodes.registerType('lower-case',{
+        category: 'function',
+        color: '#a6bbcf',
+        defaults: {
+            name: {value:""}
+        },
+        inputs:1,
+        outputs:1,
+        icon: "file.png",
+        label: function() {
+            return this.name||"To lower case";
+        }
+    });
+</script>
+
+<script type="text/html" data-template-name="lower-case">
+    <div class="form-row">
+        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
+        <input type="text" id="node-input-name" placeholder="Name">
+    </div>
+</script>
+
+<script type="text/html" data-help-name="lower-case">
+    <p>A simple node that converts the message payloads into all lower-case characters</p>
+</script>

src/nodes/lower-case/lower-case.ts

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+import { NodeDef, NodeInitializer, Node } from "node-red";
+import { LowerCaseProps } from "./types";
+
+interface LowerCaseNodeConfig extends NodeDef,LowerCaseProps { }
+
+interface LowerCaseNodeData extends Node {
+	testoData: string
+}
+
+const nodeInit: NodeInitializer = (RED): void => {
+	function LowerCaseNodeConstructor(
+		this: LowerCaseNodeData,
+		config: LowerCaseNodeConfig
+	): void {
+		RED.nodes.createNode(this, config);
+
+		this.on("input",(msg)=>{
+			if (msg.payload instanceof String){
+				msg.payload = msg.payload.toLowerCase()
+			}else{
+				this.warn("Can only convert strings to lower case")
+			}
+			this.send(msg)
+		})
+	}
+
+	RED.nodes.registerType("lower-case", LowerCaseNodeConstructor);
+};
+
+export = nodeInit;

src/nodes/lower-case/types.ts

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+export interface LowerCaseProps{
+    testoConfig: string
+}