vendor tsgo

tools/tsgo/internal/lsp/lsproto/util.go

@@ -0,0 +1,37 @@
+package lsproto
+
+import (
+	"cmp"
+)
+
+// Implements a cmp.Compare like function for two Position
+// ComparePositions(pos, other) == cmp.Compare(pos, other)
+func ComparePositions(pos, other Position) int {
+	if lineComp := cmp.Compare(pos.Line, other.Line); lineComp != 0 {
+		return lineComp
+	}
+	return cmp.Compare(pos.Character, other.Character)
+}
+
+// Implements a cmp.Compare like function for two Range
+// CompareRanges(lsRange, other) == cmp.Compare(lsRange, other)
+//
+//	Range.Start is compared before Range.End
+func CompareRanges(lsRange, other Range) int {
+	if startComp := ComparePositions(lsRange.Start, other.Start); startComp != 0 {
+		return startComp
+	}
+	return ComparePositions(lsRange.End, other.End)
+}
+
+// AsString returns the plain text of a StringOrMarkupContent, reading the
+// MarkupContent value when the message is not a plain string.
+func (m StringOrMarkupContent) AsString() string {
+	if m.String != nil {
+		return *m.String
+	}
+	if m.MarkupContent != nil {
+		return m.MarkupContent.Value
+	}
+	return ""
+}