@webext-core/messaging

v2.3.0

Light weight, type-safe wrapper around the web extension messaging APIs. Supports all browsers (Chrome, Firefox, Safari) For more information about how to use this package see README

Latest version published 6 months ago

License: MIT

NPM

GitHub

Package Health Score

71 / 100

security
No known security issues
popularity
Recognized
maintenance
Sustainable
community
Sustainable

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Security

No known security issues

All security vulnerabilities belong to production dependencies of direct and indirect packages.

Security and license risk for significant versions

All Versions

Version				Vulnerabilities	License Risk
2.3.0	\|	06/2025		0 C 0 H 0 M 0 L	0 H 0 M 0 L
2.2.0	\|	01/2025	Popular	0 C 0 H 0 M 0 L	0 H 0 M 0 L
1.4.0	\|	05/2023		0 C 0 H 0 M 0 L	0 H 0 M 0 L
1.3.1	\|	04/2023		0 C 0 H 0 M 0 L	0 H 0 M 0 L
1.2.0	\|	02/2023		0 C 0 H 0 M 0 L	0 H 0 M 0 L

License

MIT

Security Policy

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Popularity

Recognized

Weekly Downloads (21,787)

GitHub Stars: 256
Forks: 37
Contributors: 30

Direct Usage Popularity

The npm package @webext-core/messaging receives a total of 21,787 downloads a week. As such, we scored @webext-core/messaging popularity level to be Recognized.

Based on project statistics from the GitHub repository for the npm package @webext-core/messaging, we found that it has been starred 256 times.

Downloads are calculated as moving averages for a period of the last 12 months, excluding weekends and known missing data points.

Community

Sustainable

Readme.md: Yes
Contributing.md: No
Code of Conduct: No
Contributors: 30
Funding: No

With more than 10 contributors for the @webext-core/messaging repository, this is possibly a sign for a growing and inviting community.

We found a way for you to contribute to the project! Looks like @webext-core/messaging is missing a Code of Conduct.

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Maintenance

Sustainable

Commit Frequency

Open Issues: 19
Open PR: 4
Last Release: 6 months ago
Last Commit: 2 months ago

Further analysis of the maintenance status of @webext-core/messaging based on released npm versions cadence, the repository activity, and other data points determined that its maintenance is Sustainable.

We found that @webext-core/messaging demonstrates a positive version release cadence with at least one new version released in the past 12 months.

In the past month we didn't find any pull request activity or change in issues status has been detected for the GitHub repository.

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Package

Node.js Compatibility: not defined

Age: 3 years
Dependencies: 3 Direct
Versions: 17
Install Size: 111 kB
Dist-tags: 1
# of Files: 12
Maintainers: 1
TS Typings: No

@webext-core/messaging has more than a single and default latest tag published for the npm package. This means, there may be other tags available for this package, such as next to indicate future releases, or stable to indicate stable releases.

Readme

`@webext-core/messaging`

A light-weight, type-safe wrapper around the browser.runtime messaging APIs. Supports all browsers (Chrome, Firefox, Safari).

// ./messaging.ts
import { defineExtensionMessaging } from '@webext-core/messaging';

interface ProtocolMap {
  getStringLength(s: string): number;
}

export const { sendMessage, onMessage } = defineExtensionMessaging();

// ./background.ts
import { onMessage } from './messaging';

onMessage('getStringLength', message =&gt; {
  return message.data.length;
});

// ./content-script.js or anywhere else
import { sendMessage } from './messaging';

const length = await sendMessage('getStringLength', 'hello world');

console.log(length); // 11

Get Started

See documentation to get started!

@webext-core/messaging dependencies

serialize-error uid webextension-polyfill

@webext-core/messaging development dependencies

@types/webextension-polyfill @webext-core/fake-browser publint tsconfig

FAQs

What is @webext-core/messaging?

Light weight, type-safe wrapper around the web extension messaging APIs. Supports all browsers (Chrome, Firefox, Safari... Visit Snyk Advisor to see a full health score report for @webext-core/messaging, including popularity, security, maintenance & community analysis.

Is @webext-core/messaging popular?

The npm package @webext-core/messaging receives a total of 21,787 weekly downloads. As such, @webext-core/messaging popularity was classified as a recognized. Visit the popularity section on Snyk Advisor to see the full health analysis.

Is @webext-core/messaging well maintained?

We found indications that @webext-core/messaging maintenance is sustainable demonstrating some project activity. We saw a total of 30 open source contributors collaborating on the project. See the full package health analysis to learn more about the package maintenance status.

Is @webext-core/messaging safe to use?

The npm package @webext-core/messaging was scanned for known vulnerabilities and missing license, and no issues were found. Thus the package was deemed as safe to use. See the full health analysis review.

Last updated on 18 December-2025, at 02:03 (UTC).

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