Skip to Content

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?

Source File

Located in /assets/js/modules/utilities.js on line 151.

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.
}