wehub-resource-sync
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
package cli
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import (
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"strings"
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"github.com/charmbracelet/x/ansi"
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)
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// visibleWidth returns the printable column width of s: ANSI SGR codes are
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// ignored and wide / grapheme-cluster characters (CJK, emoji ZWJ sequences,
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// keycaps, flags) are each counted as the cells they occupy. Thin wrapper over
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// x/ansi (already in the dep tree via bubbletea/lipgloss) so call sites read
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// intent rather than re-deriving the strip-and-measure dance.
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func visibleWidth(s string) int {
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return ansi.StringWidth(s)
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}
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// padRight returns s padded with spaces on the right until it occupies w
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// terminal columns (visible width, not bytes). Strings already at or beyond
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// width are returned unchanged. Use this instead of fmt's %-Ns when content
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// may contain CJK or ANSI SGR codes.
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func padRight(s string, w int) string {
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pad := w - visibleWidth(s)
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if pad <= 0 {
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return s
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}
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return s + strings.Repeat(" ", pad)
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}
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// boxed wraps content in a rounded box drawn with the brand accent. Width
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// auto-fits the longest line plus one column of padding on each side. The
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// result always ends with a trailing newline so callers can Print it directly.
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func boxed(lines []string) string {
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inner := 0
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for _, l := range lines {
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if w := visibleWidth(l); w > inner {
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inner = w
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}
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}
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inner += 2 // one space of padding on each side
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bar := strings.Repeat("─", inner)
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var b strings.Builder
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b.WriteString(accent("╭" + bar + "╮"))
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b.WriteByte('\n')
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for _, l := range lines {
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gap := inner - visibleWidth(l) - 2
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if gap < 0 {
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gap = 0
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}
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b.WriteString(accent("│"))
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b.WriteByte(' ')
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b.WriteString(l)
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b.WriteString(strings.Repeat(" ", gap))
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b.WriteByte(' ')
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b.WriteString(accent("│"))
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b.WriteByte('\n')
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}
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b.WriteString(accent("╰" + bar + "╯"))
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b.WriteByte('\n')
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return b.String()
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}
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