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ensure ie8 works with mangled properties (#2238)

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fixes #2234
This commit is contained in:
Alex Lam S.L
2017-07-15 22:50:59 +08:00
committed by GitHub
parent a5ffe2c23f
commit 9e1da9235e
4 changed files with 50 additions and 28 deletions
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22
lib/output.js
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@@ -1146,15 +1146,23 @@ function OutputStream(options) {
DEFPRINT(AST_Dot, function(self, output){
var expr = self.expression;
expr.print(output);
if (expr instanceof AST_Number && expr.getValue() >= 0) {
if (!/[xa-f.)]/i.test(output.last())) {
output.print(".");
var prop = self.property;
if (output.option("ie8") && RESERVED_WORDS(prop)) {
output.print("[");
output.add_mapping(self.end);
output.print_string(prop);
output.print("]");
} else {
if (expr instanceof AST_Number && expr.getValue() >= 0) {
if (!/[xa-f.)]/i.test(output.last())) {
output.print(".");
}
}
output.print(".");
// the name after dot would be mapped about here.
output.add_mapping(self.end);
output.print_name(prop);
}
output.print(".");
// the name after dot would be mapped about here.
output.add_mapping(self.end);
output.print_name(self.property);
});
DEFPRINT(AST_Sub, function(self, output){
self.expression.print(output);