is-defined-eval
Advanced tools
Evaluates is-defined expression and returns the value of the evaluation
Checks if a variable is defined.
(Eval)uates a variable identifier like this:
'typeof ' + identifier + ' !== "undefined"'
Consider it as a shortcut to the above.
Example (on nodejs in console):
const isDefined = require('is-defined-eval');
var exportsExists = isDefined('exports');
console.log(exportsExists); // => true
var windowExists = isDefined('window');
console.log(windowExists); // => false
var documentExists = isDefined('document');
console.log(documentExists); // => false
License MIT
FAQs
Evaluates is-defined expression and returns the value of the evaluation
The npm package is-defined-eval receives a total of 3 weekly downloads. As such, is-defined-eval popularity was classified as not popular.
We found that is-defined-eval demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Security News
Axios compromise traced to social engineering, showing how attacks on maintainers can bypass controls and expose the broader software supply chain.
Security News
Node.js has paused its bug bounty program after funding ended, removing payouts for vulnerability reports but keeping its security process unchanged.
Security News
The Axios compromise shows how time-dependent dependency resolution makes exposure harder to detect and contain.