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@types/dagre
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TypeScript definitions for dagre
@types/dagre provides TypeScript type definitions for the dagre library, which is used for graph layout. Dagre helps in arranging nodes and edges in a directed graph, making it easier to visualize complex relationships.
Graph Creation
This feature allows you to create a new graph, add nodes, and define edges between them. The code sample demonstrates how to initialize a graph, set default properties, and add nodes and edges.
const dagre = require('dagre');
const g = new dagre.graphlib.Graph();
g.setGraph({});
g.setDefaultEdgeLabel(() => ({}));
g.setNode('a', { label: 'Node A', width: 50, height: 50 });
g.setNode('b', { label: 'Node B', width: 50, height: 50 });
g.setEdge('a', 'b');
Graph Layout
This feature allows you to compute the layout of the graph. The code sample shows how to use the `layout` function to calculate the positions of the nodes.
const dagre = require('dagre');
const g = new dagre.graphlib.Graph();
g.setGraph({});
g.setDefaultEdgeLabel(() => ({}));
g.setNode('a', { label: 'Node A', width: 50, height: 50 });
g.setNode('b', { label: 'Node B', width: 50, height: 50 });
g.setEdge('a', 'b');
dagre.layout(g);
console.log(g.node('a')); // { label: 'Node A', width: 50, height: 50, x: 25, y: 25 }
console.log(g.node('b')); // { label: 'Node B', width: 50, height: 50, x: 75, y: 75 }
Custom Node and Edge Attributes
This feature allows you to add custom attributes to nodes and edges. The code sample demonstrates how to set and retrieve custom attributes for nodes and edges.
const dagre = require('dagre');
const g = new dagre.graphlib.Graph();
g.setGraph({});
g.setDefaultEdgeLabel(() => ({}));
g.setNode('a', { label: 'Node A', width: 50, height: 50, customAttr: 'customValue' });
g.setNode('b', { label: 'Node B', width: 50, height: 50 });
g.setEdge('a', 'b', { customEdgeAttr: 'edgeValue' });
dagre.layout(g);
console.log(g.node('a').customAttr); // 'customValue'
console.log(g.edge('a', 'b').customEdgeAttr); // 'edgeValue'
Cytoscape is a graph theory library for visualizing and analyzing network graphs. It offers more advanced features for graph manipulation and visualization compared to dagre, including support for various graph algorithms and a rich set of layout options.
d3-graphviz is a library that integrates Graphviz with D3.js for rendering graphs. It provides more control over the rendering process and allows for interactive graph visualizations, making it a good alternative for more complex visualization needs.
vis-network is part of the vis.js library and provides tools for network visualization. It offers a wide range of customization options and interactive features, making it suitable for creating dynamic and interactive network graphs.
npm install --save @types/dagre
This package contains type definitions for dagre (https://github.com/dagrejs/dagre).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/dagre.
These definitions were written by Qinfeng Chen, Pete Vilter, David Newell, and Graham Lea.
FAQs
TypeScript definitions for dagre
The npm package @types/dagre receives a total of 143,743 weekly downloads. As such, @types/dagre popularity was classified as popular.
We found that @types/dagre demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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