wehub-resource-sync
89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
package term
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import (
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"fmt"
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"os"
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"strings"
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"github.com/charmbracelet/glamour"
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"github.com/charmbracelet/glow/utils"
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"github.com/muesli/reflow/wordwrap"
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"github.com/muesli/termenv"
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)
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func init() {
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// pre-cache the glamour renderer
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getGlamourRenderer()
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}
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var (
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cachedGlamourRenderer *glamour.TermRenderer
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cachedGlamourRendererWidth int
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)
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func getGlamourRenderer() (*glamour.TermRenderer, error) {
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width := GetTerminalWidth()
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if cachedGlamourRenderer != nil && cachedGlamourRendererWidth == width {
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return cachedGlamourRenderer, nil
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}
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// Build the renderer options.
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var opts []glamour.TermRendererOption
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// Check for a GLAMOUR_STYLE env variable.
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if style, ok := os.LookupEnv("GLAMOUR_STYLE"); ok && style != "" {
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opts = append(opts, glamour.WithStandardStyle(style))
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} else {
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// Fallback to auto style detection.
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opts = append(opts, glamour.WithAutoStyle())
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}
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// Always set word wrap and preserved newlines.
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opts = append(opts,
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glamour.WithWordWrap(min(width, 80)),
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glamour.WithPreservedNewLines(),
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)
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r, err := glamour.NewTermRenderer(opts...)
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if err != nil {
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return nil, fmt.Errorf("failed to create glamour renderer: %w", err)
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}
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cachedGlamourRenderer = r
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cachedGlamourRendererWidth = width
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return r, nil
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}
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func GetMarkdown(input string) (string, error) {
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inputBytes := utils.RemoveFrontmatter([]byte(input))
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r, err := getGlamourRenderer()
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if err != nil {
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return "", err
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}
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out, err := r.RenderBytes(inputBytes)
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if err != nil {
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return "", err
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}
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return string(out), nil
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}
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func GetPlain(input string) string {
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width := GetTerminalWidth()
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s := wordwrap.String(input, min(width-2, 80))
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// add padding
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lines := strings.Split(s, "\n")
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// for i := range lines {
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// lines[i] = " " + lines[i]
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// }
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s = strings.Join(lines, "\n")
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s = termenv.String(s).Foreground(GetStreamForegroundColor()).String()
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return s
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}
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