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@types/d3-dispatch
Advanced tools
The @types/d3-dispatch package provides TypeScript type definitions for the d3-dispatch package, which is part of the D3 (Data-Driven Documents) JavaScript library. This package helps in managing and dispatching custom events in complex applications. It is particularly useful when integrating D3 with TypeScript projects, as it ensures type safety and enhances code readability and maintainability.
Creating a dispatch
This code demonstrates how to create a dispatcher with custom event types: 'load', 'progress', and 'error'. It allows you to register and trigger these events in your application.
import { dispatch } from 'd3-dispatch';
const dispatcher = dispatch('load', 'progress', 'error');
Registering event listeners
This code shows how to register different event listeners for the events created in the dispatcher. Each event type has a corresponding function that will be called when that event is dispatched.
dispatcher.on('load', loadData);
dispatcher.on('progress', updateProgress);
dispatcher.on('error', handleError);
Dispatching events
This code illustrates how to dispatch the 'load' and 'progress' events with associated data. The 'load' event is dispatched with a URL, and the 'progress' event with a numeric value representing progress.
dispatcher.call('load', this, { url: 'http://example.com/data' });
dispatcher.call('progress', this, 50);
Mitt is a tiny functional event emitter/listener library. It offers similar event handling capabilities but is more general-purpose compared to @types/d3-dispatch, which is specifically tailored for D3 applications.
EventEmitter3 is a high-performance event emitter. While providing similar functionalities, it is optimized for performance and is not specific to any library, unlike @types/d3-dispatch which is designed to work with D3.
npm install --save @types/d3-dispatch
This package contains type definitions for D3JS d3-dispatch module (https://github.com/d3/d3-dispatch/).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/d3-dispatch.
These definitions were written by Tom Wanzek, Alex Ford, Boris Yankov, denisname, and Nathan Bierema.
FAQs
TypeScript definitions for d3-dispatch
The npm package @types/d3-dispatch receives a total of 1,607,409 weekly downloads. As such, @types/d3-dispatch popularity was classified as popular.
We found that @types/d3-dispatch 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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