npmpackage.info

Gathering detailed insights and metrics for exenv

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exenv

React's ExecutionEnvironment module extracted for use in other packages & components

1.2.2

233

NOASSERTION

JavaScript

648,170,008 3.1

Installations

npm install exenv

Developer Guide

BETA

Typescript

No

Module System

CommonJS

Node Version

7.7.1

NPM Version

4.4.1 Score

100

Supply Chain

70.8

Quality

75.4

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

2

Total

6

Closed

2

Merged

2

Issues

Open

2

Total

5

Closed

3

Releases

Unable to fetch releases

Contributors

Unable to fetch Contributors

View all 3 contributors

Languages

JavaScript

JavaScript (100%)

Developer

JedWatson

Download Statistics

Total Downloads

648,170,008

Last Day

414,496

Last Week

1,818,195

Last Month

8,141,374

Last Year

109,938,107

GitHub Statistics

233 Stars

17 Commits

15 Forks

6 Watching

1 Branches

3 Contributors

Maintainers

Package Meta Information

Latest Version

1.2.2

Package Id

exenv@1.2.2

Size

2.14 kB

NPM Version

4.4.1

Node Version

7.7.1

Publised On

23 Apr 2017

Total Downloads

Cumulative downloads

Total Downloads

648,170,008

Last day

-3.8%

414,496

Compared to previous day

Last week

-15.8%

1,818,195

Compared to previous week

Last month

3.7%

8,141,374

Compared to previous month

Last year

-7.9%

109,938,107

Compared to previous year

Daily Downloads

Weekly Downloads

Monthly Downloads

Yearly Downloads

No dependencies detected.

Versions

exenv

React's ExecutionEnvironment module extracted for use in other packages & components.

Usage

npm install exenv --save

1var ExecutionEnvironment = require('exenv');
2
3// You now have...
4ExecutionEnvironment.canUseDOM             // is the DOM available? i.e window document etc. 
5ExecutionEnvironment.canUseWorkers         // are Web Workers available?
6ExecutionEnvironment.canUseEventListeners  // are Events available? i.e addEventListener etc.
7ExecutionEnvironment.canUseViewport        // is there a viewport? i.e window.screen

Differences from React's ExecutionEnvironment

The ExecutionEnvironment lib in React 0.13 includes an isInWorker property, which is !canUseDOM. This is highly specific to React internals and probably (a) hacky and (b) not useful to other packages, so it has been left out. Please open an issue with your thoughts if you disagree or have a better idea.

Why?

A number of packages and components use React's private ExecutionEnvironment lib to detect available features, particularly to detect server-side rendering, e.g

canUseDOM = require('react/lib/ExecutionEnvironment').canUseDOM; // BAD

It is bad practice to use React internals and this is likely to be broken / disabled in the future.

Use this package instead!

No vulnerabilities found.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

9

License

Determines if the project has defined a license.

1

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

Maintained

Determines if the project is "actively maintained".

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Security-Policy

Determines if the project has published a security policy.

0

Fuzzing

Determines if the project uses fuzzing.

0

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

3.1

/10

Last Scanned on 2025-02-03

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