Files
tailscale/util/qrcodes/format.go
Simon Law 3e45e5b420 feature/featuretags: make QR codes modular (#18358)
QR codes are used by `tailscale up --qr` to provide an easy way to
open a web-page without transcribing a difficult URI. However, there’s
no need for this feature if the client will never be called
interactively. So this PR adds the `ts_omit_qrcodes` build tag.

Updates #18182

Signed-off-by: Simon Law <sfllaw@tailscale.com>
2026-01-08 10:28:40 -08:00

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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package qrcodes
// Format selects the text representation used to print QR codes.
type Format string
const (
// FormatAuto will format QR codes to best fit the capabilities of the
// [io.Writer].
FormatAuto Format = "auto"
// FormatASCII will format QR codes with only ASCII characters.
FormatASCII Format = "ascii"
// FormatLarge will format QR codes with full block characters.
FormatLarge Format = "large"
// FormatSmall will format QR codes with full and half block characters.
FormatSmall Format = "small"
)