2025-11-08 09:37:30 +03:00

64 lines
1.4 KiB
Go

package repo
import (
"os"
"path/filepath"
"runtime"
"sync"
)
var (
RootPath string
TypeScriptSubmodulePath string
TestDataPath string
)
func init() {
_, filename, _, ok := runtime.Caller(0)
if !ok {
panic("could not get current filename")
}
filename = filepath.FromSlash(filename) // runtime.Caller always returns forward slashes; https://go.dev/issues/3335, https://go.dev/cl/603275
RootPath = findGoMod(filepath.Dir(filename))
TypeScriptSubmodulePath = filepath.Join(RootPath, "_submodules", "TypeScript")
TestDataPath = filepath.Join(RootPath, "testdata")
}
func findGoMod(dir string) string {
root := filepath.VolumeName(dir)
for dir != root {
if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {
return dir
}
dir = filepath.Dir(dir)
}
panic("could not find go.mod")
}
var typeScriptSubmoduleExists = sync.OnceValue(func() bool {
p := filepath.Join(TypeScriptSubmodulePath, "package.json")
if _, err := os.Stat(p); err != nil {
if os.IsNotExist(err) {
return false
}
panic(err)
}
return true
})
func TypeScriptSubmoduleExists() bool {
return typeScriptSubmoduleExists()
}
type skippable interface {
Helper()
Skipf(format string, args ...any)
}
func SkipIfNoTypeScriptSubmodule(t skippable) {
t.Helper()
if !typeScriptSubmoduleExists() {
t.Skipf("TypeScript submodule does not exist")
}
}