first commit

sample/get-entity.js

@@ -0,0 +1,36 @@
+module.exports = function (RED) {
+    function GetEntity(config) {
+        RED.nodes.createNode(this, config);
+        this.config = RED.nodes.getNode(config.config);
+        var node = this;
+
+        this.on('input', async function (msg) {
+            const input = msg.payload.input || config.input;
+              /** @type {TelegramClient} */
+            const client = msg.payload?.client ? msg.payload.client : this.config.client;
+
+            try {
+                let entity;
+
+                // Check if the input is a URL
+                if (input.includes('https://t.me/')) {
+                    const username = input.split('/').pop();
+                    entity = await client.getEntity(username);
+                } else {
+                    entity = await client.getEntity(input);
+                }
+
+                node.send({
+                    payload: {input:entity},
+                });
+            } catch (err) {
+                node.error('Error getting entity: ' + err.message);
+                node.send({
+                    payload:{ input: null}
+                })
+            }
+        });
+    }
+
+    RED.nodes.registerType('get-entity', GetEntity);
+};