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
1
vote
1 answer
add/remove components in noflo-ui version 0.18.0
I am running noflo-ui locally and trying to replace default set of components with my own set.
This is very similar to the question add/remove components in noflo-ui, but provided answers are not correct for current version of noflo-ui. At least…

Timofey Chernousov
- 1,284
- 8
- 12
1
vote
1 answer
NoFlo and Loading JSON Graphs
I am reviewing the possibility of using NoFlo as an Orchestration Engine.
To keep a "Separation Of Concerns", and using NodeJS, I will basically create a RESTful API, using Express, that will have a series of POST and GET requests. This RESTFful API…
user2932053
1
vote
1 answer
NoFlo UI Components Suddenly Broken ... "TypeError: this.node.getTransformToElement is not a function"
Our NoFlo graph components have suddenly compressed themselves all into one uneditable box that says "WaitForward". See attached image.
For a while, this was happening on every browser, except Opera, so I could go in there and update graphs. Then, a…

Miss Henesy
- 73
- 7
1
vote
1 answer
Running a JSON graph locally
I've been using Flowhub.io to do my development on the nodejs device. Now that the GUI-based design is done, I'm ready to take it offline and run the code via the command line. How would do I do this? I have the JSON file corresponding to the graph…

v33j
- 103
- 1
- 6
1
vote
0 answers
noflo 0.5.13 spreadsheet example broken?
I am new to noflo and looking at examples in order to explore it. The spreadsheet example looked interesting but I couldn't make it run. First, it takes some time and manual debugging to identify missing components, not a big deal and I believe will…

mcku
- 1,351
- 12
- 23
1
vote
1 answer
how to add a noflo chart/plot component
I have a time-series-style array of data I would like to pass into a noflo component which displays the data in a cart/graph/plot using the browser runtime and the flowhub ui.
I've browsed through the component library and not found a relevant…

7yl4r
- 4,788
- 4
- 34
- 46
1
vote
2 answers
add/remove components in noflo-ui
I've cloned noflo-ui from github and am running locally but cannot figure out how to add/remove components from the noflo-search box. Ideally, I would like to remove all components from the search results and show only a the ones from my component…

7yl4r
- 4,788
- 4
- 34
- 46
1
vote
1 answer
Forward only a single group using the WirePattern helper when config.group is true
I'm trying to use the WirePattern helper to perform some synchronisation within my graph. I'm setting config.group to true so I can ensure that only packets received with the same group are collected and handled within this component.
For the sake…

Robin Hawkes
- 688
- 8
- 24
1
vote
2 answers
noflo how to save changes in noflo-ui at the server
i install node + noflo on my server and create a .fbp.
now i start the ws server for the noflo-ui with
node node_modules/.bin/noflo-nodejs --graph graphs/test1.fbp
now i get an url for the ui. there i can make changes.
but this changes are not…

yuki
- 68
- 7
1
vote
1 answer
noflo: Dynamic component loading - Component [name] not available with base [path]
I am getting the error:
Component [name] not available with base [path]
when trying to dynamically attach components to a network's ComponentLoader instance.
var components = []; // This is populated with noflo.Component instances at runtime.
var…

Hayes
- 848
- 4
- 10
1
vote
1 answer
Noflo .fbp array initiallizer
I'm using noflo and am trying to send an array as an initiallizer. There doesn't seem to be a supported (or at least documented) way to do this.
I'm currently using:
'["Kicker"]' -> IN Nodes(strings/ParseJson)
'{"in":"go!"}' -> IN…

cwohlman
- 763
- 6
- 21
1
vote
1 answer
Error initializing noflo nodejs
I am getting the following error while trying to setup my node.js server. I am using the latest version of noflo and node.js. Is anyone else seeing this behaviour for NoFlo on Windows?
Here is the command and…

Johan
- 660
- 1
- 6
- 13
1
vote
2 answers
NoFlo async components and data races
In NoFlo I often come across components like this:
noflo = require 'noflo'
class Foo extends noflo.AsyncComponent
constructor: ->
@inPorts = new noflo.InPorts
main:
datatype: 'int'
description: 'Main async input'
…

trustmaster
- 53
- 4
0
votes
1 answer
Is there something wrong with this noflo component?
This is my noflo component, HelloWorld.js - it just takes the string passed in and sends it out.
const noflo = require('noflo');
exports.getComponent = () => {
if (!input.hasData('in')) {
return;
}
const c = new noflo.Component();
…
0
votes
1 answer
Simple example of noflo embedded in webpage for UI
Are there any complete examples of how noflo can be embedded in a webpage, including the hookup between noflo and the webpage UI components.
For example, a simple noflo graph for;
Date input for date of birth, using datepicker UI on the…

chumtoadafuq
- 256
- 5
- 14