Skip to Content
Menu

errorMitigation()

Automatically attempt to detect and mitigate fixable errors that occur such as broken images.

JavaScript February 21, 2021

Usage

This function runs automatically, so it is not called manually. Is this incorrect?

Was this page helpful? Yes No


    A feedback message is required to submit this form.


    Please check that you have entered a valid email address.

    Enter your email address if you would like a response.

    Thank you for your feedback!

    Source File

    Located in /assets/js/modules/utilities.js on line 146.

    No Hooks

    This function does not have any filters or actions available. Request one?
    JavaScript
    nebula.errorMitigation = function(){
        //Try to fall back to .png on .svg errors. Else log the broken image.
        jQuery('img').on('error', function(){
            let thisImage = jQuery(this);
            let imagePath = thisImage.attr('src');
            if ( imagePath.split('.').pop() === 'svg' ){
                let fallbackPNG = imagePath.replace('.svg', '.png');
    
                fetch(fallbackPNG, {
                    method: 'GET',
                }).then(function(response){
                    if ( response.ok ){
                        thisImage.prop('src', fallbackPNG);
                        thisImage.removeClass('svg');
                    }
                }).catch(function(error){
                    ga('send', 'exception', {'exDescription': '(JS) Broken Image: ' + imagePath, 'exFatal': false});
                    nebula.crm?.('event', 'Broken Image'); //May not be defined if analytics is not active so using optional chaining on the execution of this function
                });
            } else {
                ga('send', 'exception', {'exDescription': '(JS) Broken Image: ' + imagePath, 'exFatal': false});
                nebula.crm?.('event', 'Broken Image'); //May not be defined if analytics is not active so using optional chaining on the execution of this function
            }
        });
    };
    

    Override

    To override or disable this JavaScript function, simply redeclare it with the exact same function name.

    JavaScript
    nebula.errorMitigation = function(){
        //Write your own code here, leave it blank, or return false.
    }