terminal.go RawHistoryFolder

1package ports
2
3import (
4	"io"
5	"strings"
6
7	"github.com/bnema/vev/internal/domain"
8)
9
10// Terminal is the CLIENT-side controlling terminal.
11type Terminal interface {
12	EnterRaw() (restore func() error, err error)
13	Size() (domain.Size, error)
14	ResizeEvents() <-chan domain.Size
15	In() io.Reader
16	Out() io.Writer
17	Flush() error
18}
19
20// DetectTrueColor reports whether TERM/COLORTERM advertise direct color support.
21func DetectTrueColor(termEnv, colorTerm string) bool {
22	switch strings.ToLower(strings.TrimSpace(colorTerm)) {
23	case "truecolor", "24bit":
24		return true
25	}
26
27	termEnv = strings.ToLower(strings.TrimSpace(termEnv))
28	return termEnv == "xterm-direct" || strings.HasSuffix(termEnv, "-direct")
29}