Creating all the files for a basic D2 UI node is somewhat tedious, so I have developed a subflow to create the necessary files, with basic content, which will build to a functioning widget.
If anyone would like to try it out that would be great. In particular I have no idea if it will work on Windows, with the file paths specified with backslashes.
These instructions are from the subflow help text:
A subflow that generates a basic UI widget for node-red Dashboard 2 (@flowfuse/node-red-dashboard).
Usage
-
Clone or download the skeleton node definition files from
GitHub - colinl/node-red-dashboard-2-skeleton-node: A skeleton set of files to be processed by the Create D2 UI Node to create a basic ui node to a folder accessible to node-red. -
Install the
node node-red-contrib-fs-ops. When I have time I will remove this dependency, but at the moment it is required. -
Add an instance of the subflow to the node red flow, with an inject node to trigger it andImport the flow below, consisting of the subflow, an Inject node to trigger it and a debug node to show the result.
a debug node on the output. -
Configure the subflow as described below.
-
Click the inject node to generate the UI node.
Configuration
-
Skeleton source dir - Set this to full path to the folder where you have downloaded the skeleton node files.
-
Destination dir - The full path to where you would like the node to be generated. The flow will create the directory if necessary.
-
Allow Overwrite Destination - If
falsethen the destination directory must be empty (or non-existent). If the directory is not empty then the flow will fail, passing on an appropriate error message. If settruethen the flow will overwrite the destination files. -
Node Name - This is the name that the node will be given. It is the name that appears in the
node-redsection inpackage.json. -
Widget component name - This is the name that the dashboard knows the widget by. The name of the vue file in
ui/componentswill be<ComponentName>.vue -
Package name - The name of the package. It is the name that will be used to install it if it is released. So it might be
@me/node-red-dashboard-2-<Node Name> -
Source repository - The url to the source directory that will be put in package.json. The repository need not exist at this time.
-
Author Name - The author name that will be put in
package.json. -
Author URL - The author URL that will be put in
package.json.
Outputs
When it has finished the node sends a message with a string in the payload. If it succeeded then the payload is "Done", otherwise it will indicate the error.
Building the widget
To build and install the widget locally:
-
cdinto the destination directory configured above. -
Run
npm installto install dependencies. -
Build it using
NODE_ENV=development npm run buildwhich builds a version with a map files for easier debugging. -
From the node red user directory (often
.node-red) install it usingnpm install /path/to/ui-node. -
Restart node-red.
Here is the subflow
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[Edit] There have been problems running this with node-red 3.x, so it is advised that at least 4.0 should be used.
