github.com/jd-ly/tools@v0.5.7/internal/lsp/mod/format.go (about)

     1  package mod
     2  
     3  import (
     4  	"context"
     5  
     6  	"github.com/jd-ly/tools/internal/event"
     7  	"github.com/jd-ly/tools/internal/lsp/protocol"
     8  	"github.com/jd-ly/tools/internal/lsp/source"
     9  )
    10  
    11  func Format(ctx context.Context, snapshot source.Snapshot, fh source.FileHandle) ([]protocol.TextEdit, error) {
    12  	ctx, done := event.Start(ctx, "mod.Format")
    13  	defer done()
    14  
    15  	pm, err := snapshot.ParseMod(ctx, fh)
    16  	if err != nil {
    17  		return nil, err
    18  	}
    19  	formatted, err := pm.File.Format()
    20  	if err != nil {
    21  		return nil, err
    22  	}
    23  	// Calculate the edits to be made due to the change.
    24  	diff := snapshot.View().Options().ComputeEdits(fh.URI(), string(pm.Mapper.Content), string(formatted))
    25  	return source.ToProtocolEdits(pm.Mapper, diff)
    26  }