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    is-defined-eval

    1.0.3 • Public • Published

    is-defined-eval

    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

    Install

    npm i is-defined-eval

    DownloadsWeekly Downloads

    2

    Version

    1.0.3

    License

    MIT

    Last publish

    Collaborators

    • diversen