feat: publish v1.0.0-rc.36-custom.1

pkg/jsplugin/model_fold.go

@@ -0,0 +1,26 @@
+package jsplugin
+
+// asciiFold maps only 'A'–'Z' onto 'a'–'z'. Every other byte is unchanged.
+// Unicode case folding is intentionally not applied: U+212A (KELVIN SIGN)
+// must not become 'k' and impersonate an ASCII model name.
+func asciiFold(s string) string {
+	var buf []byte
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		if c >= 'A' && c <= 'Z' {
+			if buf == nil {
+				buf = []byte(s)
+			}
+			buf[i] = c + ('a' - 'A')
+		}
+	}
+	if buf == nil {
+		return s
+	}
+	return string(buf)
+}
+
+// ASCIIFold is the exported form of asciiFold for consumers outside this package.
+func ASCIIFold(s string) string {
+	return asciiFold(s)
+}