NoFlo is a JavaScript implementation of Flow-Based Programming (FBP), a specific type of dataflow programming, for Node.js and browser.
Questions tagged [noflo]
78 questions
0
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1 answer
ERROR: Component interaction/ListenChange not available with base
I wanted to run a NoFlo application. I created a noflo component in json fomat and then I tried to run it with the following command:
./node_modules/.bin/noflo-nodejs --graph graphs/Number_game.json.
I got the following error:
NoFlo runtime is…
0
votes
1 answer
Merging two components data into one
I want to re-create the ls -AlF program but in a way that I like myself, and I want to use NoFlo to do it.
This is the graph (graphs/ListDirectory.fbp) that I…
Industrial
- 2,861
- 2
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- 10
0
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2 answers
Access metadata into component in noFlo
I want to dynamically use some master data in noflo components. For example In my graph I will use same component in different ids. based on that I will also change the data. How to access the metada in graph into my component?
"processes": {
…
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votes
1 answer
NoFlo graph.json / graph.fbp to JavaScript file
I have a noflo graph.json.
My basic use case is
Generate graph.json using noflo-ui
Convert graph.json into a javascript(or node module) file using any means possible.
run the file in my own node express application.
I want to see the final…
Sharuk Ahmed
- 825
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- 15
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0 answers
Cannot read property 'remote' of null
Anyone know what causes this error when trying to use the noflo ui/editor?
I was attempting to run the editor using a local nodejs runtime, where the config was defined in a flowhub.json. I'm not clear whether it is sufficient to create the…
KJ Taylor
- 63
- 8
0
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1 answer
EADDRINUSE when starting an xpress/Server example
I'm pretty new to noflo, so this is probably due to me doing something dumb.
I'm getting an issue when trying to start a noflo graph from the noflo-ui. Basically I get a EADDRINUSE error (the port is in use) from the first xpress/Server node in my…
KJ Taylor
- 63
- 8
0
votes
1 answer
NoFlo: How do I run a NoFlo server in Docker?
I am trying to start to use NoFlo in my existing microservice architecture and I want to start out with a HTTP server so that I can mount it on my proxy and play/test with it.
You can find the repository here.
I am using Docker (Compose) to manage…
Industrial
- 2,861
- 2
- 15
- 10
0
votes
1 answer
Noflo: How to have a network with only one component
I am trying to integrate noflo in my browser application. To understand the send and receive of the IIP, I have created a 'forwarder component' which will just output whatever is input to it. I am creating a graph with just one component and trying…
Santosh Kumar
- 143
- 12
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votes
1 answer
flowhub/the-graph: React not defined error
I am trying to integrate noflo ui 'the-graph' with a React based front end. I am trying to wrap demo-simple.html example into a react component as simple-demo.js and thereafter build on top of it.
On building and running I get the following…
Santosh Kumar
- 143
- 12
0
votes
1 answer
NoFlo instance.isReady is not a function
Below is the flow.json
{
"id": "04211388-4ea7-4999-9fd1-3b793283fcbf",
"user": "******",
"host": "autodetect",
"port": 3569,
"label": "my-runtime",
"secret": "***",
"permissions": {
"***": [
"protocol:component",
…
M Atif
- 109
- 1
- 9
0
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2 answers
Starting with noflo and flowhub
I recently started working with noflow and flowhub. The basic concept of using noflo seems quiet easy to understand. However, when I started running flowhub from my machine and setting up the nodejs environement it gets quiet heavy. First of all I…
Pluxyy
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votes
1 answer
Call graph from javascript file and return boolean value
We want to define a graph via flowhub which should
receive a file (or maybe just two strings --> user & password) (Not sure which components to use for this part)
check if they are staged in our database (will be mocked, later the strings will be…
Kellrkind
- 11
- 1
- 3
0
votes
2 answers
noflo cannot shutdown execution
I'm trying to run some simple graph using noflo-filesystem and noflo-csv that reads CSV file, parses it and writes it down to file.
The issue is that the program waits for something that I don't know how to…
Valentin Pan
- 77
- 8
0
votes
1 answer
Integrating noflo and AngularJS using the-graph
I'm working to integrate noflo into AngularJS. For some reason, I've only been able to find an old answer that seemed to direct users wanting to do this to "the-graph", but wasn't super-clear: github.com/noflo/noflo/issues/286.
I am working to…
0
votes
1 answer
Why are my flows not connecting?
Just starting with noflo, I'm baffled as why I'm not able to get a simple flow working. I started today, installing noflo and core components following the example pages, and the canonical "Hello World" example
Read(filesystem/ReadFile) OUT -> IN…
Soren
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