vendor tsgo

tools/tsgo/internal/project/extendedconfigcache.go

@@ -0,0 +1,51 @@
+package project
+
+import (
+	"github.com/microsoft/typescript-go/internal/tsoptions"
+	"github.com/microsoft/typescript-go/internal/tspath"
+	"github.com/zeebo/xxh3"
+)
+
+type ExtendedConfigParseArgs struct {
+	FileName        string
+	Content         string
+	FS              FileSource
+	ResolutionStack []tspath.Path
+	Host            tsoptions.ParseConfigHost
+	Cache           tsoptions.ExtendedConfigCache
+}
+
+type ExtendedConfigCacheEntry struct {
+	*tsoptions.ExtendedConfigCacheEntry
+	Hash xxh3.Uint128
+}
+
+type ExtendedConfigCache = OwnerCache[tspath.Path, *ExtendedConfigCacheEntry, ExtendedConfigParseArgs]
+
+func NewExtendedConfigCache() *ExtendedConfigCache {
+	return NewOwnerCache(
+		func(path tspath.Path, args ExtendedConfigParseArgs) *ExtendedConfigCacheEntry {
+			result := &ExtendedConfigCacheEntry{
+				ExtendedConfigCacheEntry: tsoptions.ParseExtendedConfig(args.FileName, path, args.ResolutionStack, args.Host, args.Cache),
+			}
+			result.Hash = hash(result.ExtendedConfigCacheEntry, args)
+			return result
+		},
+		func(path tspath.Path, entry *ExtendedConfigCacheEntry, args ExtendedConfigParseArgs) bool {
+			return entry.Hash == xxh3.Uint128{} || entry.Hash != hash(entry.ExtendedConfigCacheEntry, args)
+		},
+	)
+}
+
+func hash(entry *tsoptions.ExtendedConfigCacheEntry, args ExtendedConfigParseArgs) xxh3.Uint128 {
+	hasher := xxh3.New()
+	_, _ = hasher.WriteString(args.Content)
+	for _, fileName := range entry.ExtendedFileNames() {
+		fh := args.FS.GetFile(fileName)
+		if fh == nil {
+			return xxh3.Uint128{}
+		}
+		_, _ = hasher.WriteString(fh.Content())
+	}
+	return hasher.Sum128()
+}