Fetch FontAwesome icons through JSON and generate custom data object in console

custom-fontawesome.js

document.addEventListener( 'DOMContentLoaded', function() {
    var getPost = async function() {
        var response = await fetch( 'https://raw.githubusercontent.com/FortAwesome/Font-Awesome/6.x/metadata/icons.json' );
        var icons = await response.json();

        let fontAwesomeObj = {};
        let currentObject = fontAwesomeObj;

        Object.entries( icons ).forEach( ( [ key, icon ] ) => {
            const styles = icon.styles;
            const iconName = `fa-${ key }`;
            const iconUnicode = icon.unicode;

            styles.forEach( ( style, index ) => {
                currentObject[key + '-' + style] = {};
                currentObject[key + '-' + style].name = key + '-' + style;
                currentObject[key + '-' + style].slug = key;
                currentObject[key + '-' + style].title = icon.label;
                currentObject[key + '-' + style].type = 'fa';
                currentObject[key + '-' + style].style = style;
                currentObject[key + '-' + style].unicode = '\\' + iconUnicode;
                currentObject[key + '-' + style].classes = `${ iconName } fa-${ style }`;
                currentObject[key + '-' + style].searchTerms = undefined !== icon.search?.terms ? icon.search.terms : [];
                currentObject[key + '-' + style].aliasesNames = undefined !== icon.aliases?.names ? icon.aliases.names : [];
            } );
        } );

        // Check output in console.
        // window.console.log( fontAwesomeObj );

        var dataStr = "data:text/json;charset=utf-8," + encodeURIComponent( JSON.stringify( fontAwesomeObj ) );
        var downloadAnchorNode = document.createElement( 'a' );
        downloadAnchorNode.setAttribute( "href", dataStr );
        downloadAnchorNode.setAttribute( "download", "font-awesome-min.json" );
        document.body.appendChild( downloadAnchorNode );
        downloadAnchorNode.click();
        downloadAnchorNode.remove();
    }

    getPost();
} );