How to use the scratch-blocks.utils function in scratch-blocks

// collator for every localeCompare call.
    const collator = new Intl.Collator([], {
        sensitivity: 'base',
        numeric: true
    });
    ScratchBlocks.scratchBlocksUtils.compareStrings = function (str1, str2) {
        return collator.compare(str1, str2);
    };

    // Blocks wants to know if 3D CSS transforms are supported. The cross
    // section of browsers Scratch supports and browsers that support 3D CSS
    // transforms will make the return always true.
    //
    // Shortcutting to true lets us skip an expensive style recalculation when
    // first loading the Scratch editor.
    ScratchBlocks.utils.is3dSupported = function () {
        return true;
    };

    return ScratchBlocks;
}