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fix for #2242 on harmony

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alexlamsl
2017-07-23 13:15:58 +08:00
parent 29011ea60a
commit 98b850580b
3 changed files with 36 additions and 37 deletions
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20
lib/output.js
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@@ -115,19 +115,15 @@ function OutputStream(options) {
var OUTPUT = "";
var to_utf8 = options.ascii_only ? function(str, identifier) {
return str.replace(/[\ud800-\udbff][\udc00-\udfff]|[\u0000-\u001f\u007f-\uffff]/g, function(ch) {
var code = get_full_char_code(ch, 0).toString(16);
if ((identifier && code.length === 1 && options.ecma >= 6) || code.length > 4) {
if (options.ecma < 6) {
if (identifier) {
return ch; // no \u{} support
}
return "\\u" + ch.charCodeAt(0).toString(16) + "\\u"
+ ch.charCodeAt(1).toString(16);
}
if (options.ecma >= 6) {
str = str.replace(/[\ud800-\udbff][\udc00-\udfff]/g, function(ch) {
var code = get_full_char_code(ch, 0).toString(16);
return "\\u{" + code + "}";
} else if (code.length <= 2 && !identifier) {
});
}
return str.replace(/[\u0000-\u001f\u007f-\uffff]/g, function(ch) {
var code = ch.charCodeAt(0).toString(16);
if (code.length <= 2 && !identifier) {
while (code.length < 2) code = "0" + code;
return "\\x" + code;
} else {