* null, undefined, and holes in arrays are interpreted as an empty
string by Array.prototype.join. This commit fixes various issues when
compressing them, or values that can be null or undefined.
* Compress [foo+"str","123"+bar].join("-") -> foo+"str-123"+bar
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| .. | ||
| ast.js | ||
| compress.js | ||
| mozilla-ast.js | ||
| output.js | ||
| parse.js | ||
| scope.js | ||
| sourcemap.js | ||
| transform.js | ||
| utils.js | ||