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get_coverage_for_file

Note

This is a point-in-time snapshot of the API documentation from January 2026. Going forward, we will not be maintaining a public copy of these references, and recommend users to refer to the built-in signature helpers available in the Hack LSP instead for complete and up-to-date information.

Extract coverage data for the file at path $file

namespace HH;

function get_coverage_for_file(
  string $file,
): vec<int>;

The returned vector contains a list of line numbers that were seen at least once while coverage was enablgc_enabled for the file.

Parameters​

  • string $file

Returns​

  • a - list of covered line numbers