CODE EXAMPLE FOR JAVASCRIPT

generic product filter javascript

filterList(): void {
    let searchtext = this.state.currentSearchBoxValue;
    let searchProperties = this.state.searchBoxOptions.searchProperties;

    let list = this.props.list;

    if(searchtext != undefined && searchtext != '' && searchtext != null) 
    {    
        /* Call filter to filter items that match search criteria */
        const filteredList = list.filter(item => {

            /* Search for any property where the some() criteria is true for 
               current item */
            return searchProperties.some(searchProperty => {

                /* If item value on current searchProperty key includes searchText, 
                   return true. This means some() will return true, and
                   the "item" will be included in filteredList */
                const itemPropertyValue = item[ searchProperty ];

                return itemPropertyValue.includes(searchtext);
            });
        });

        /* Filtered result */
        console.log(filteredList);
    }     
}