Method stringproto_normalize

builtin_string.go:443–480

(call FunctionCall)

}

func (r *Runtime) stringproto_normalize(call FunctionCall) Value {
	r.checkObjectCoercible(call.This)
	s := call.This.toString()
	var form string
	if formArg := call.Argument(0); formArg != _undefined {
		form = formArg.toString().toString().String()
	} else {
		form = "NFC"
	}
	var f norm.Form
	switch form {
	case "NFC":
		f = norm.NFC
	case "NFD":
		f = norm.NFD
	case "NFKC":
		f = norm.NFKC
	case "NFKD":
		f = norm.NFKD
	default:
		panic(r.newError(r.getRangeError(), "The normalization form should be one of NFC, NFD, NFKC, NFKD"))
	}

	switch s := s.(type) {
	case asciiString:
		return s
	case unicodeString:
		ss := s.String()
		return newStringValue(f.String(ss))
	case *importedString:
		if s.scanned && s.u == nil {
			return asciiString(s.s)
		}
		return newStringValue(f.String(s.s))
	default:
		panic(unknownStringTypeErr(s))
	}
}

func (r *Runtime) _stringPad(call FunctionCall, start bool) Value {
	r.checkObjectCoercible(call.This)