vendor tsgo

tools/tsgo/internal/testutil/tsbaseline/util.go

@@ -0,0 +1,71 @@
+package tsbaseline
+
+import (
+	"regexp"
+	"strings"
+
+	"github.com/microsoft/typescript-go/internal/tspath"
+)
+
+var (
+	lineDelimiter      = regexp.MustCompile("\r?\n")
+	nonWhitespace      = regexp.MustCompile(`\S`)
+	tsExtension        = regexp.MustCompile(`\.tsx?$`)
+	testPathCharacters = regexp.MustCompile(`[\^<>:"|?*%]`)
+	testPathDotDot     = regexp.MustCompile(`\.\.\/`)
+)
+
+var (
+	libFolder   = "built/local/"
+	builtFolder = "/.ts"
+)
+
+var (
+	testPathPrefixReplacer = strings.NewReplacer(
+		"/.ts/", "",
+		"/.lib/", "",
+		"/.src/", "",
+		"bundled:///libs/", "",
+		"file:///./ts/", "file:///",
+		"file:///./lib/", "file:///",
+		"file:///./src/", "file:///",
+	)
+	testPathTrailingReplacerTrailingSeparator = strings.NewReplacer(
+		"/.ts/", "/",
+		"/.lib/", "/",
+		"/.src/", "/",
+		"bundled:///libs/", "/",
+		"file:///./ts/", "file:///",
+		"file:///./lib/", "file:///",
+		"file:///./src/", "file:///",
+	)
+)
+
+func removeTestPathPrefixes(text string, retainTrailingDirectorySeparator bool) string {
+	if retainTrailingDirectorySeparator {
+		return testPathTrailingReplacerTrailingSeparator.Replace(text)
+	}
+	return testPathPrefixReplacer.Replace(text)
+}
+
+func isDefaultLibraryFile(filePath string) bool {
+	fileName := tspath.GetBaseFileName(filePath)
+	return strings.HasPrefix(fileName, "lib.") && strings.HasSuffix(fileName, tspath.ExtensionDts)
+}
+
+func isBuiltFile(filePath string) bool {
+	return strings.HasPrefix(filePath, libFolder) || strings.HasPrefix(filePath, tspath.EnsureTrailingDirectorySeparator(builtFolder))
+}
+
+func isTsConfigFile(path string) bool {
+	// !!! fix to check for just prefixes/suffixes
+	return strings.Contains(path, "tsconfig") && strings.Contains(path, "json")
+}
+
+func sanitizeTestFilePath(name string) string {
+	path := testPathCharacters.ReplaceAllString(name, "_")
+	path = tspath.NormalizeSlashes(path)
+	path = testPathDotDot.ReplaceAllString(path, "__dotdot/")
+	path = string(tspath.ToPath(path, "", false /*useCaseSensitiveFileNames*/))
+	return strings.TrimPrefix(path, "/")
+}