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Fixed: Some Javascript minifiers will convert ”\u2028” to a string with the actual line separator inside. It is not valid Javascript to have the actual character inside a string literal.

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Instead of fixing bugs in different minifiers it is easier to rewrite this small function. The same applies to \u2029
This commit is contained in:
Martin Carlberg
2016-04-07 10:32:47 +02:00
parent 51fc6518e1
commit 9ad2995168
1 changed files with 12 additions and 12 deletions
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Objective-J/acorn.js
+12 -12
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@@ -1519,19 +1519,19 @@ if (typeof exports != "undefined" && !exports.acorn) {
// Escape characters in stringify string.
function preprocessStringifyEscape(aString) {
for (var escaped = "", pos = 0, ch = aString.charAt(pos); ch !== ""; ch = aString.charAt(++pos)) {
for (var escaped = "", pos = 0, size = aString.length, ch = aString.charCodeAt(pos); pos < size; ch = aString.charCodeAt(++pos)) {
switch (ch) {
case '"': escaped += '\\\\\\"'; break;
case "\n": escaped += "\\\\n"; break;
case "\r": escaped += "\\\\r"; break;
case "\t": escaped += "\\\\t"; break;
case "\b": escaped += "\\\\b"; break;
case "\v": escaped += "\\\\v"; break;
case "\u00A0": escaped += "\\\\u00A0"; break;
case "\u2028": escaped += "\\\\u2028"; break;
case "\u2029": escaped += "\\\\u2029"; break;
case "\\": escaped += "\\\\"; break;
default: escaped += ch; break;
case 34: escaped += '\\\\\\"'; break; // "
case 10: escaped += "\\\\n"; break; // LF (\n)
case 13: escaped += "\\\\r"; break; // CR (\r)
case 9: escaped += "\\\\t"; break; // TAB (\t)
case 8: escaped += "\\\\b"; break; // BS (\b)
case 11: escaped += "\\\\v"; break; // VT (\v)
case 0x00A0: escaped += "\\\\u00A0"; break; // CR (\r)
case 0x2028: escaped += "\\\\u2028"; break; // LINE SEPARATOR
case 0x2029: escaped += "\\\\u2029"; break; // PARAGRAPH SEPARATOR
case 92: escaped += "\\\\"; break; // BACKSLASH
default: escaped += aString.charAt(pos); break;
}
}
return escaped;