global.add_meta_box = ({ post_types, meta_box_slug, component, component_url, position, content })=>{
add_filter('_nv_custom_metaboxes',(meta_boxes)=>{
meta_boxes = meta_boxes || [];
//查找有没有相同的slug,不相同才放进去
if ( !meta_boxes.filter(r=>r.meta_box_slug == meta_box_slug)[0] ) {
meta_boxes.push({
post_types, meta_box_slug, component, component_url, position, content
})
}
return meta_boxes;
});
}