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package u
import (
"errors"
"log/slog"
"os"
"strings"
)
func FileExist(filename string) bool {
if _, err := os.Stat(filename); err == nil {
return true
} else if errors.Is(err, os.ErrNotExist) {
return false
} else {
slog.Warn("Schrödinger's file: it may or may not exist", "file", filename)
// Schrodinger: file may or may not exist. To be extra safe it will
// report the file doest not exist
return false
}
}
// This is just a slin wraper to make easier to compose path in the template
type Pathing struct {
sb strings.Builder
}
func NewPathing() *Pathing {
return &Pathing{}
}
func (s *Pathing) AddPath(p string) *Pathing {
if len(p) == 0 {
return s
}
// if it has trailing / remove it
if p[len(p)-1] == '/' {
p = p[:len(p)-1]
return s.AddPath(p)
}
// if it does not have it so add
if p[0] == '/' {
s.sb.WriteString(p)
} else {
s.sb.WriteString("/" + p)
}
return s
}
func (s *Pathing) AddPaths(p []string) *Pathing {
for _, v := range p {
s.AddPath(v)
}
return s
}
func (s *Pathing) Done() string {
return s.sb.String()
}
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