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feat/pager: implement markdown syntax highlighting (#804) #805

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feat/pager: implement markdown syntax highlighting (#804) #805

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14 changes: 14 additions & 0 deletions pager/command.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import (
"github.com/charmbracelet/bubbles/help"
"github.com/charmbracelet/bubbles/viewport"
tea "github.com/charmbracelet/bubbletea"
"github.com/charmbracelet/glamour"
"github.com/charmbracelet/gum/internal/stdin"
"github.com/charmbracelet/gum/internal/timeout"
)
Expand All @@ -31,6 +32,19 @@ func (o Options) Run() error {
}
}

if o.SyntaxHighlight != "" {
switch {
case o.SyntaxHighlight == "markdown":
renderedContent, err := glamour.Render(o.Content, "dark")
if err != nil {
return fmt.Errorf("unable to render: %w", err)
}
o.Content = renderedContent
default:
return fmt.Errorf("syntax-highlight language: markdown")
}
}

m := model{
viewport: vp,
help: help.New(),
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1 change: 1 addition & 0 deletions pager/options.go
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Expand Up @@ -10,6 +10,7 @@ import (
type Options struct {
//nolint:staticcheck
Style style.Styles `embed:"" help:"Style the pager" set:"defaultBorder=rounded" set:"defaultPadding=0 1" set:"defaultBorderForeground=212" envprefix:"GUM_PAGER_"`
SyntaxHighlight string `help:"syntax highlighting (support language: markdown)" default:""`
Content string `arg:"" optional:"" help:"Display content to scroll"`
ShowLineNumbers bool `help:"Show line numbers" default:"true"`
LineNumberStyle style.Styles `embed:"" prefix:"line-number." help:"Style the line numbers" set:"defaultForeground=237" envprefix:"GUM_PAGER_LINE_NUMBER_"`
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