function vscodeLink(node) {
    if (node.url) {
        if (uibuilder.localHost) node.editurl = `vscode://file${RED.settings.uibuilderRootFolder}/${node.url}/?windowId=_blank`
        else node.editurl = `vscode://vscode-remote/ssh-remote+${uibuilder.nrServer}${RED.settings.uibuilderRootFolder}/${node.url}/?windowId=_blank`
        $('#node-input-editurl').val(node.editurl)
    }

    let pre, post
    if (node.editurl) {
        pre = `<a href="${node.editurl}" title="Open in VScode">`
        post = '</a>'
    } else {
        pre = '<b>'
        post = '</b>'
    }
    return {
        pre: pre,
        post: post,
        url: node.editurl,
        icon: '<img src="resources/node-red-contrib-uibuilder/vscode.svg" style="width:20px" >',
    }
}
Create the wrapping HTML string that provides a link to open the instance folder in vscode
@param {object} node A reference to the panel's `this` object
@returns {{pre,post,url,icon}} Prefix and postfix for link + vscode url scheme & icon