- property access to `null` & `undefined` always has side effects - utilise `reduce_vars` to determine safe property access - may-be cases treated as side effects unless `unsafe` |
||
|---|---|---|
| .. | ||
| ast.js | ||
| compress.js | ||
| mozilla-ast.js | ||
| output.js | ||
| parse.js | ||
| propmangle.js | ||
| scope.js | ||
| sourcemap.js | ||
| transform.js | ||
| utils.js | ||