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cf7LocalStorage()

Utilize localstorage on Contact Form 7 text inputs to make it easier for users to continue filling out previously abandoned forms on future visits.

JavaScript February 7, 2021

Usage

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

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    Source File

    Located in /assets/js/modules/forms.js on line 398.

    No Hooks

    This function does not have any filters or actions available. Request one?
    JavaScript
    nebula.cf7LocalStorage = function(){
        if ( !jQuery('.wpcf7-form').length ){
            return false;
        }
    
        jQuery('.wpcf7-textarea, .wpcf7-text').each(function(){
            let thisLocalStorageVal = localStorage.getItem('cf7_' + jQuery(this).attr('name'));
    
            //Fill textareas with localstorage data on load
            if ( !jQuery(this).hasClass('do-not-store') && !jQuery(this).hasClass('.wpcf7-captchar') && thisLocalStorageVal && thisLocalStorageVal !== 'undefined' && thisLocalStorageVal !== '' ){
                if ( jQuery(this).val() === '' ){ //Don't overwrite a field that already has text in it!
                    jQuery(this).val(thisLocalStorageVal).trigger('keyup');
                }
                jQuery(this).blur();
            } else {
                localStorage.removeItem('cf7_' + jQuery(this).attr('name')); //Remove localstorage if it is undefined or inelligible
            }
    
            //Update localstorage data
            jQuery(this).on('keyup blur', function(){
                if ( !jQuery(this).hasClass('do-not-store') && !jQuery(this).hasClass('.wpcf7-captchar') ){
                    localStorage.setItem('cf7_' + jQuery(this).attr('name'), jQuery(this).val());
                }
            });
        });
    
        //Update matching form fields on other windows/tabs
        nebula.dom.window.on('storage', function(e){
            jQuery('.wpcf7-textarea, .wpcf7-text').each(function(){
                if ( !jQuery(this).hasClass('do-not-store') && !jQuery(this).hasClass('.wpcf7-captchar') ){
                    jQuery(this).val(localStorage.getItem('cf7_' + jQuery(this).attr('name'))).trigger('keyup');
                }
            });
        });
    
        //Clear localstorage when AJAX submit fails (but submit still succeeds)
        if ( window.location.hash.includes('wpcf7') ){
            if ( jQuery(escape(window.location.hash) + ' .wpcf7-mail-sent-ok').length ){
                jQuery(escape(window.location.hash) + ' .wpcf7-textarea, ' + escape(window.location.hash) + ' .wpcf7-text').each(function(){
                    localStorage.removeItem('cf7_' + jQuery(this).attr('name'));
                    jQuery(this).val('').trigger('keyup');
                });
            }
        }
    };
    

    Override

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

    JavaScript
    nebula.cf7LocalStorage = function(){
        //Write your own code here, leave it blank, or return false.
    }