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Don't check color profile and terminal darkness until absolutely necessary

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This commit is contained in:
Christian Rocha 2021-04-05 09:39:11 -04:00
parent e45d00a9fe
commit b3875326a3
2 changed files with 30 additions and 9 deletions
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4
borders.go
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@ -227,10 +227,10 @@ func styleBorder(border string, fg, bg TerminalColor) string {
var style = termenv.Style{}
if fg != noColor {
style = style.Foreground(color(fg.value()))
style = style.Foreground(ColorProfile().Color(fg.value()))
}
if bg != noColor {
style = style.Background(color(bg.value()))
style = style.Background(ColorProfile().Color(bg.value()))
}
return style.Styled(border)

35
color.go
View File

@ -1,16 +1,37 @@
package lipgloss
import (
"sync"
"github.com/lucasb-eyer/go-colorful"
"github.com/muesli/termenv"
)
var (
ColorProfile termenv.Profile = termenv.ColorProfile()
color func(string) termenv.Color = ColorProfile.Color
hasDarkBackground bool = termenv.HasDarkBackground()
colorProfile termenv.Profile
getColorProfile sync.Once
hasDarkBackground bool
checkDarkBackground sync.Once
)
// ColorProfile returns the detected termenv color profile. It will perform the
// actual check only once.
func ColorProfile() termenv.Profile {
getColorProfile.Do(func() {
colorProfile = termenv.ColorProfile()
})
return colorProfile
}
// HadDarkBackground returns whether or not the terminal has a dark background.
// It will perform the actual check only once.
func HasDarkBackground() bool {
checkDarkBackground.Do(func() {
hasDarkBackground = termenv.HasDarkBackground()
})
return hasDarkBackground
}
// TerminalColor is a color intended to be rendered in the terminal. It
// satisfies the Go color.Color interface.
type TerminalColor interface {
@ -34,7 +55,7 @@ func (n NoColor) value() string {
}
func (n NoColor) color() termenv.Color {
return color("")
return ColorProfile().Color("")
}
// RGBA returns the RGBA value of this color. Because we have to return
@ -60,7 +81,7 @@ func (c Color) value() string {
}
func (c Color) color() termenv.Color {
return color(string(c))
return ColorProfile().Color(string(c))
}
// RGBA returns the RGBA value of this color. This satisfies the Go Color
@ -94,14 +115,14 @@ type AdaptiveColor struct {
}
func (ac AdaptiveColor) value() string {
if hasDarkBackground {
if HasDarkBackground() {
return ac.Dark
}
return ac.Light
}
func (ac AdaptiveColor) color() termenv.Color {
return color(ac.value())
return ColorProfile().Color(ac.value())
}
// RGBA returns the RGBA value of this color. This satisfies the Go Color