@thi.ng/dgraph NPM

npm downloads

This project is part of the @thi.ng/umbrella monorepo.

About

Type-agnostic directed acyclic graph (DAG), using @thi.ng/associative maps & sets as backend.

Features

cycle detection
accessors for direct & transitive dependencies / dependents
topological sorting
iterable (in topo order)

Status

STABLE - used in production

Search or submit any issues for this package

Support packages

@thi.ng/dgraph-dot - Customizable Graphviz DOT serialization for @thi.ng/dgraph

Related packages

@thi.ng/adjacency - Sparse & bitwise adjacency matrices and related functions for directed & undirected graphs
@thi.ng/dot - Graphviz document abstraction & serialization to DOT format
@thi.ng/system - Minimal and explicit dependency-injection & lifecycle container for stateful app components

Installation

yarn add @thi.ng/dgraph

ES module import:

<script type="module" src="https://cdn.skypack.dev/@thi.ng/dgraph"></script>

Skypack documentation

For Node.js REPL:

# with flag only for < v16
node --experimental-repl-await

> const dgraph = await import("@thi.ng/dgraph");

Package sizes (gzipped, pre-treeshake): ESM: 842 bytes

Dependencies

Usage examples

Several demos in this repo's /examples directory are using this package.

A selection:

Screenshot	Description	Live demo	Source
	CLI util to visualize umbrella pkg stats		Source

API

Generated API docs

import { DGraph } from "@thi.ng/dgraph";

g = new DGraph();

// dependencies from a -> b
g.addDependency([1, 2], [10, 20]);
g.addDependency([3, 4], [30, 40]);
g.addDependency([1, 2], [3, 4]);

// add isolated nodes
g.addNode([100, 200]);

g.sort();
// [[30, 40], [3, 4], [10, 20], [100, 200], [1, 2]]

Authors

Karsten Schmidt

If this project contributes to an academic publication, please cite it as:

@misc{thing-dgraph,
  title = "@thi.ng/dgraph",
  author = "Karsten Schmidt",
  note = "https://thi.ng/dgraph",
  year = 2015
}

License

adjacency dag datastructure dependency graph query sort topology typescript

@thi.ng/api @thi.ng/associative @thi.ng/equiv @thi.ng/errors @thi.ng/transducers

@everything-registry/sub-chunk-914 @thi.ng/dgraph-dot @thi.ng/shader-ast @thi.ng/system gh-cms @stayradiated/shoebox

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