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package helpers
import (
"net/url"
"strings"
"github.com/evanw/esbuild/internal/fs"
)
func IsInsideNodeModules(path string) bool {
for {
// This is written in a platform-independent manner because it's run on
// user-specified paths which can be arbitrary non-file-system things. So
// for example Windows paths may end up being used on Unix or URLs may end
// up being used on Windows. Be consistently agnostic to which kind of
// slash is used on all platforms.
slash := strings.LastIndexAny(path, "/\\")
if slash == -1 {
return false
}
dir, base := path[:slash], path[slash+1:]
if base == "node_modules" {
return true
}
path = dir
}
}
func IsFileURL(fileURL *url.URL) bool {
return fileURL.Scheme == "file" && (fileURL.Host == "" || fileURL.Host == "localhost") && strings.HasPrefix(fileURL.Path, "/")
}
func FileURLFromFilePath(filePath string) *url.URL {
// Append a trailing slash so that resolving the URL includes the trailing
// directory, and turn Windows-style paths with volumes into URL-style paths:
//
// "/Users/User/Desktop" => "/Users/User/Desktop/"
// "C:\\Users\\User\\Desktop" => "/C:/Users/User/Desktop/"
//
filePath = strings.ReplaceAll(filePath, "\\", "/")
if !strings.HasPrefix(filePath, "/") {
filePath = "/" + filePath
}
return &url.URL{Scheme: "file", Path: filePath}
}
func FilePathFromFileURL(fs fs.FS, fileURL *url.URL) string {
path := fileURL.Path
// Convert URL-style paths back into Windows-style paths if needed:
//
// "/C:/Users/User/foo.js.map" => "C:\\Users\\User\\foo.js.map"
//
if !strings.HasPrefix(fs.Cwd(), "/") {
path = strings.TrimPrefix(path, "/")
path = strings.ReplaceAll(path, "/", "\\") // This is needed for "filepath.Rel()" to work
}
return path
}
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