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JLHwung
approved these changes
Mar 11, 2026
| - **locations**: Can be one of `true`, `false` or `packed`. | ||
| `true` is the default and will add a `loc` property to each node, which is an object with `start` and `end` properties, which are objects containing `line` and `column` numbers. | ||
| When set to `false`, the "loc" property will not be included in the output AST. | ||
| When set to `packed`, the `parse` function will return an `Uint32Array` of the form (`[line1, column1, line2, column2, ...]`). You can access the line and column numbers of a node with `locData[node.start * 2]` for the starting line, `locData[node.start * 2 + 1]` for the starting column, `locData[node.end * 2]` for the ending line and `locData[node.end * 2 + 1]` for the ending column. |
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Can you add an example for packed? Do we not also return an AST?
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babel/babel#16935