package epubprogress import ( "encoding/json" ) type jsonprogress struct { o Options e *json.Encoder current int } func (p *jsonprogress) Add(num int) error { p.current += num return p.e.Encode(map[string]any{ "type": "epubprogress", "data": map[string]any{ "epubprogress": map[string]any{ "current": p.current, "total": p.o.Max, }, "steps": map[string]any{ "current": p.o.CurrentJob, "total": p.o.TotalJob, }, "description": p.o.Description, }, }) } func (p *jsonprogress) Close() error { return nil }