JavaSript backend (early stage)

vlib/builtin/js/utf8.v

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+// Copyright (c) 2019 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+
+module builtin
+
+pub fn utf8_char_len(b byte) int {
+	return (( 0xe5000000 >> (( b >> 3 ) & 0x1e )) & 3 ) + 1
+}
+
+// Convert utf32 to utf8
+// utf32 == Codepoint
+pub fn utf32_to_str(code u32) string {
+	return ''
+}
+
+// TODO copypasta
+pub fn utf32_to_str_no_malloc(code u32, buf voidptr) string {
+	return ''
+}
+
+// Convert utf8 to utf32
+pub fn (_rune string) utf32_code() int {
+	return 0
+}
+
+