How does a conditional check if there is a phrase termination within that phrase?

[sunrabbit123]

The following two snippets exist

In the following code, the
f.geometry will be of a different type depending on the presence or absence of a return statement.

So should we distinguish him in the validate_bin_expr of bin.rs?

function extractCoordinates(f: Feature): number[] {
    if (f.geometry?.type !== 'test') {
        return [];
    }
    return f.geometry.coordinates;
}

and

function extractCoordinates(f: Feature): number[] {
    if (f.geometry?.type !== 'test') {
        f.geometry;
    }
    return f.geometry.coordinates;
}

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bin_expr
opt_chain
optioanl_channing
controlflow
control_flow