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    @stdlib/error-reviver
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    0.0.7 • Public • Published

    reviveError

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    Revive a JSON-serialized error object.

    Installation

    npm install @stdlib/error-reviver

    Usage

    var reviveError = require( '@stdlib/error-reviver' );

    reviveError( key, value )

    Revives a JSON-serialized error object.

    var str = '{"type":"TypeError","message":"beep"}';
    
    var err = JSON.parse( str, reviveError );
    // returns <TypeError>

    For details on the JSON serialization format, see error-to-json.

    Notes

    Examples

    var err2json = require( '@stdlib/error-to-json' );
    var reviveError = require( '@stdlib/error-reviver' );
    
    var err1 = new SyntaxError( 'bad syntax' );
    // returns <SyntaxError>
    
    var json = err2json( err1 );
    /* returns
        {
            'type': 'SyntaxError',
            'name': 'SyntaxError',
            'message': 'bad syntax',
            'stack': '...'
        }
    */
    
    var str = JSON.stringify( json );
    // returns '{"type":"SyntaxError","name":"SyntaxError","message":"bad syntax","stack":"..."}'
    
    var err2 = JSON.parse( str, reviveError );
    // returns <SyntaxError>
    
    var bool = ( err1.message === err2.message );
    // returns true
    
    bool = ( err1.stack === err2.stack );
    // returns true

    See Also


    Notice

    This package is part of stdlib, a standard library for JavaScript and Node.js, with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more.

    For more information on the project, filing bug reports and feature requests, and guidance on how to develop stdlib, see the main project repository.

    Community

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    License

    See LICENSE.

    Copyright

    Copyright © 2016-2022. The Stdlib Authors.

    Install

    npm i @stdlib/error-reviver

    Homepage

    stdlib.io

    DownloadsWeekly Downloads

    28

    Version

    0.0.7

    License

    Apache-2.0

    Unpacked Size

    39.7 kB

    Total Files

    10

    Last publish

    Collaborators

    • stdlib-bot
    • kgryte
    • planeshifter
    • rreusser