display

func ColorPercent ¶

func ColorPercent(pct float64) string

func CurrencySymbol ¶

func CurrencySymbol(vs string) string

func FormatLargeNumber ¶

func FormatLargeNumber(n float64, vs ...string) string

func FormatPercent ¶

func FormatPercent(pct float64) string

func FormatPrice ¶

func FormatPrice(price float64, vs ...string) string

func FormatRank ¶

func FormatRank(rank int) string

FormatRank formats a market cap rank, returning "-" for zero/unranked.

func FormatSupply ¶

func FormatSupply(n float64) string

func FormatSymbol ¶

func FormatSymbol(s string) string

FormatSymbol sanitizes and uppercases a coin symbol from API data.

func PrintBanner ¶

func PrintBanner()

PrintBanner prints a compact one-line CoinGecko banner to stderr. Writing to stderr keeps stdout clean for piped data.

func PrintLogo ¶

func PrintLogo()

PrintLogo prints the full ASCII art CoinGecko logo in brand green to stderr.

func PrintTable ¶

func PrintTable(headers []string, rows [][]string)

func PrintWelcomeBox ¶

func PrintWelcomeBox()

PrintWelcomeBox prints a bordered quick-start box to stderr.

func SanitizeCell ¶

func SanitizeCell(s string) string

SanitizeCell strips all ANSI escape sequences and non-printable control characters from untrusted API data. Call this on API-sourced strings (names, symbols) before passing to PrintTable. Internal color formatting (e.g. ColorPercent) operates on numeric values and should NOT be sanitized.

func VisibleWidth ¶

func VisibleWidth(s string) int

VisibleWidth returns the display width of a string after stripping ANSI escapes.