我在 node-red 中的自定义节点在进入流程后无法使用

Question

我正在尝试在 Node-red 中创建一个自定义节点，但是当我将该节点放入流程中时，该节点“卡住”并且无法使用。控制台 (F12) 的错误是：

Uncaught TypeError: Cannot read property 'hasOwnProperty' of undefined
at HTMLDivElement.drop (red.min.js:16)
at t.<computed>.<computed>._trigger (vendor.js:10)
at t.<computed>.<computed>._drop (vendor.js:15)
at t.<computed>.<computed>._drop (vendor.js:10)
at t.<computed>.<computed>.<anonymous> (vendor.js:15)
at Function.each (vendor.js:2)
at Object.drop (vendor.js:15)
at t.<computed>.<computed>._mouseStop (vendor.js:13)
at t.<computed>.<computed>._mouseStop (vendor.js:10)
at t.<computed>.<computed>._mouseUp (vendor.js:13)

我已经尽可能地简化了我的节点，但它仍然无法正常工作。这是我的代码：

findProtocol.js:

module.exports = function(RED) {
function FindProtocolNode(config) {
    RED.nodes.createNode(this,config);
    var msg = { payload:"hi" }
    this.send(msg);
}
RED.nodes.registerType("findProtocol",FindProtocolNode);
}

findProtocol.html:

<script type="text/javascript">
RED.nodes.registerType('findProtocol',{
    category: "Rpi RF Tools",
    outputs: 1,
    label: "Find Protocol"
});
</script>

package.json:

{
  "name": "node-red-contrib-rpi-rf-tools",
  "version": "1.0.0",
  "description": "",
  "node-red": {
    "nodes": {
      "findProtocol": "src/findProtocol/findProtocol.js"
    }
  },
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "pigpio": "^3.2.4",
    "simple-statistics": "^7.3.2"
  }
}

有什么想法吗？

Answer 1

我怀疑编辑器希望您的节点在其 HTML 定义中有一个 defaults 属性，即使它是空的属性.

<script type="text/javascript">
RED.nodes.registerType('findProtocol',{
    category: "Rpi RF Tools",
    outputs: 1,
    label: "Find Protocol",
    defaults:  {}
});
</script>

https://nodered.org/docs/creating-nodes/properties

至少，您的节点应该有一个 name 属性，这样用户就可以在编辑器中给它自定义 name/label。

我在 node-red 中的自定义节点在进入流程后无法使用

My custom node in node-red is unusable after dropped into flow

javascript

node.js

node-red