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fix corner case in templates (#4677)

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fixes #4676
This commit is contained in:
Alex Lam S.L
2021-02-22 15:59:28 +00:00
committed by GitHub
parent f9a2a9d78e
commit e535f19189
2 changed files with 38 additions and 2 deletions
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10
lib/compress.js
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@@ -10141,8 +10141,9 @@ merge(Compressor.prototype, {
OPT(AST_Template, function(self, compressor) {
if (!compressor.option("templates")) return self;
if (!self.tag || is_raw_tag(compressor, self.tag)) {
var exprs = self.expressions;
var strs = self.strings;
var exprs = self.expressions.slice();
var strs = self.strings.slice();
var CHANGED = false;
for (var i = exprs.length; --i >= 0;) {
var node = exprs[i];
var ev = node.evaluate(compressor);
@@ -10163,6 +10164,11 @@ merge(Compressor.prototype, {
}).evaluate(compressor)) continue;
exprs.splice(i, 1);
strs.splice(i, 2, combined);
CHANGED = true;
}
if (CHANGED) {
self.expressions = exprs;
self.strings = strs;
}
}
return try_evaluate(compressor, self);