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Do not attempt evaluating class expressions

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Broadly the same as function expressions - these actually are statements but
we're limited by the inheritance tree.

Fixes #1044
This commit is contained in:
Richard van Velzen 2016-04-19 20:01:26 +02:00
parent 68cc14f846
commit 8571a08a93
2 changed files with 12 additions and 0 deletions
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3
lib/compress.js
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@ -977,6 +977,9 @@ merge(Compressor.prototype, {
def(AST_Arrow, function() { def(AST_Arrow, function() {
throw def; throw def;
}); });
def(AST_Class, function() {
throw def;
});
function ev(node, compressor) { function ev(node, compressor) {
if (!compressor) throw new Error("Compressor must be passed"); if (!compressor) throw new Error("Compressor must be passed");

9
test/compress/issue-1044.js Normal file
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@ -0,0 +1,9 @@
issue_1044: {
options = { evaluate: true, conditionals: true };
input: {
const mixed = Base ? class extends Base {} : class {}
}
expect: {
const mixed = Base ? class extends Base {} : class {}
}
}