Files
mgmt/util/code.go
James Shubin a7624a2bf9 legal: Happy 2023 everyone...
Done with:

ack '2022+' -l | xargs sed -i -e 's/2022+/2023+/g'

Checked manually with:

git add -p

Hello to future James from 2024, and Happy Hacking!
2023-03-05 18:31:52 -05:00

54 lines
1.6 KiB
Go

// Mgmt
// Copyright (C) 2013-2023+ James Shubin and the project contributors
// Written by James Shubin <james@shubin.ca> and the project contributors
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package util
import (
"strings"
)
// Code takes a code block as a backtick enclosed `heredoc` and removes any
// common indentation from each line. This helps inline code as strings to be
// formatted nicely without unnecessary indentation. It also drops the very
// first line of code if it has zero length.
func Code(code string) string {
output := []string{}
lines := strings.Split(code, "\n")
var found bool
var strip string // prefix to remove
for i, x := range lines {
if !found && len(x) > 0 {
for j := 0; j < len(x); j++ {
if x[j] != '\t' {
break
}
strip += "\t"
}
// otherwise, there's no indentation
found = true
}
if i == 0 && len(x) == 0 { // drop first line if it's empty
continue
}
s := strings.TrimPrefix(x, strip)
output = append(output, s)
}
return strings.Join(output, "\n")
}