Fixed #4 - avoid generating empty fields in JSON outputs #9
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This PR is about not displaying a certain field (country, city, asn, etc.) in the JSON output when the corresponding flag was not present. This was done by using the feature of pointers such that, when the pointers are written to a JSON file, they will be ignored if they have a value of
nil
. Otherwise, the field key will be created, and the value will be written into the entry.This modification aims to improve the readability of the output and reduce the cost of uploading JSON files to BigQuery.